Full Stack Engineer At 9fin London jobs in London – Browse 10,149 openings on RoboApply Jobs

Full Stack Engineer At 9fin London jobs in London

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company9fin logo
Full-time|On-site|London

Join Our Team at 9finAt 9fin, we are revolutionizing the global debt markets with our cutting-edge AI platform, addressing a massive asset class valued over $145 trillion.Despite the extensive and critical nature of debt markets, they have historically relied on fragmented data sources, PDFs, and manual processes. Our innovative solution consolidates proprietary credit data, in-depth analyses, and efficient workflows, creating a unified platform for global market operations.Currently, more than 300 prestigious institutions, including leading global banks, asset managers, private equity firms, law firms, and advisory firms, utilize 9fin. Our rapid growth, particularly in the US market, is supported by an exceptional retention rate, driven by our comprehensive workflow adoption.We are at a pivotal moment in our journey, with strong product-market fit and a burgeoning global demand, positioning 9fin to become the leading platform for debt markets worldwide.Your Role and ResponsibilitiesCollaborate within a cross-functional team to design systems, create proof of concepts, and implement new features, including APIs, data processing, and automation, while working closely with Product and Client teams.Engage in development and engineering for backend services and web application tools within the 9fin platform.Act as a vital contributor in project teams by participating in code reviews, engaging with peers, and offering innovative ideas during research and experimentation with new technologies.Enhance the 9fin codebase by identifying opportunities for automation, refactoring, and documentation to increase efficiency.Work across a variety of web platforms, including financial data modeling, access-control logic, environmental data capture, integration with ML/AI services, data visualization, and automation systems.Foster collaboration and effective teamwork, engaging with domain experts from 9fin’s financial, legal, and editorial departments, and clearly communicating technical concepts to non-technical stakeholders.Benefit from a robust developer experience framework, featuring automated preview environments, feature flags, and well-maintained non-production environments, facilitating rapid iteration and feedback.

Feb 10, 2026
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company9fin logo
Full-time|On-site|London

About 9fin9fin is revolutionizing the global debt markets with its cutting-edge AI platform, catering to the world’s largest asset class valued at over $145 trillion.The debt markets are extensive, international, and essential, yet they are often hindered by disjointed data, PDFs, and manual processes. 9fin transforms this outdated framework by providing a unified platform that consolidates proprietary credit data, in-depth analysis, and streamlined workflows across global markets.Currently, 9fin supports over 300 prestigious institutions worldwide, including leading banks, asset managers, private equity firms, law firms, and advisory companies. Our rapid growth is marked by significant expansion in the US and an exceptional retention rate driven by extensive workflow adoption.We are at a pivotal moment in our journey. With a proven product-market fit and substantial global demand, 9fin is on the path to becoming the definitive platform for debt markets globally.What You'll Work OnYou will lead technical projects, defining and designing systems, swiftly creating proof of concepts, and collaborating closely with Product and our clients.Develop code and guide your team in delivering new service functionalities, implementing APIs, managing data routing/processing, and establishing automation mechanisms.Your primary focus will be on backend services and the web applications that support the 9fin platform.Assume a leadership role within project teams, conducting code reviews and mentoring junior developers, while also participating in early research and experimentation with new technologies to inform new features and products.Continuously enhance the 9fin codebase by automating, refactoring, and documenting when possible.Diversity is key: Our web platforms encompass a wide range of areas, including complex financial data modeling, environmental and energy data capture, integration of ML/AI prediction services, and data visualization and automation systems.Collaboration is vital: We form cross-functional teams for every project, incorporating the necessary domain expertise from 9fin in finance, law, and editorial. Your ability to convey complex projects to non-technical audiences will foster productive and efficient team collaboration.Developer Experience: By managing automated processes and enhancing the development environment, you will help improve the overall experience for developers.

Jan 26, 2026
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company9fin logo
Full-time|On-site|London

About 9fin9fin is a cutting-edge AI platform revolutionizing the global debt markets, which represent the largest asset class exceeding $145 trillion.The landscape of debt markets is extensive, global, and essential, yet it often relies on disjointed data, PDFs, and manual processes. 9fin transforms this outdated infrastructure by providing a unified platform that consolidates proprietary credit data, in-depth analysis, and efficient workflows across international markets.Currently, 9fin empowers over 300 prestigious institutions worldwide, including leading banks, asset managers, private equity firms, law firms, and consulting advisors. The company is experiencing rapid growth, particularly in the US, with exceptional retention rates driven by robust workflow adoption.We are at a pivotal moment. With a validated product-market fit and strong global demand, 9fin is propelling towards becoming the definitive platform for debt markets globally.What You'll Work OnAs a Senior Backend Engineer on our Structured Credit team, you will contribute to the development of our market-leading CLO product and assist in the launch of a new vertical.Our team is dedicated to making a significant impact, leveraging technology to create value for the business. While we have overarching business goals, we enjoy the autonomy to define our team objectives and determine our success metrics. We uphold accountability and proactive behaviors such as ownership.Lead projects within a cross-functional team by defining and designing systems, building proof of concepts, and delivering new service functionalities—including APIs, data processing, and automation—while collaborating with Product and Clients.Engage in backend development and engineering primarily on the services and web applications hosted on the 9fin platform.Play a crucial role within project teams as a senior individual contributor, conducting code reviews, mentoring fellow developers, and participating in early research and experimentation with new technologies to provide insights for new features and products.Continuously enhance the 9fin codebase by seizing opportunities to automate, refactor, and document processes when it has the most significant impact.Work across diverse web platforms involving complex financial data modeling, intricate access control logic, environmental data capture, integration of ML/AI prediction services, and data visualization.

Feb 26, 2026
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company9fin logo
Full-time|On-site|London

About 9fin9fin is at the forefront of revolutionizing global debt markets with its innovative AI platform, catering to an asset class worth over $145 trillion.Debt markets are extensive and critical yet often rely on disjointed data, PDFs, and manual processes. 9fin transforms this outdated infrastructure into a cohesive platform that consolidates proprietary credit data, in-depth analysis, and streamlined workflows across international markets.Currently, 9fin empowers teams at over 300 prestigious institutions globally, including major banks, asset management firms, private equity companies, law firms, and consulting agencies. As the business rapidly scales, especially in the US, it enjoys exceptional retention rates driven by robust workflow integration.We are at a pivotal moment in our growth journey. With a validated product-market fit and strong global demand, 9fin is on track to become the leading platform for debt markets around the world.The OpportunityWe are in search of a Senior Platform Engineer with a specialization in security to join our Platform team and take charge of our security framework across both our AWS environment and software development lifecycle.This is a hands-on position focused on creating secure-by-default systems rather than enforcing rigid processes. You will be responsible for designing and implementing security guardrails, tools, and patterns that enable our engineers to operate efficiently without sacrificing security.You will collaborate closely with engineering teams across the organization, as well as our Head of IT & Information Security, to prioritize and execute the most impactful enhancements to our security posture and facilitate our ongoing SOC 2 maturity.Your Responsibilities Will Include:Designing and implementing security guardrails within our AWS multi-account environment (IAM, networking, data protection, logging).Building and maintaining policy-as-code and infrastructure-as-code (Terraform) to enforce secure defaults.Enhancing our software supply chain security (dependency scanning, build integrity, secrets management).Integrating secure development practices into our engineering workflows (CI/CD, GitHub Actions, code review patterns).Driving visibility and detection through logging, monitoring, and alerting.Partnering with engineering teams to threat model new systems and ensure secure design from the outset.

Mar 30, 2026
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company9fin logo
Full-time|On-site|London

About 9fin 9fin builds an AI-driven platform for the global debt markets, a sector valued at over $145 trillion. The company addresses challenges like scattered data, reliance on PDFs, and outdated manual processes by bringing together proprietary credit data, detailed analysis, and essential workflows in one place. More than 300 institutions worldwide use 9fin, including major banks, asset managers, private equity firms, law practices, and advisory groups. The company is expanding rapidly, especially in the US, and maintains high client retention through strong workflow integration. With growing demand and a product that fits market needs, 9fin aims to become the central platform for debt markets worldwide. Role Overview: Credit Analyst (London) The Credit Analyst role at 9fin covers a range of responsibilities: Analyze private company earnings, financial updates, and new deals as a generalist or sector specialist. Produce thematic research, trend reports, and sector-specific analysis. Use AI and business intelligence tools to automate workflows and enhance credit analysis. 9fin offers a generous budget for AI tools that match your expertise and improve your work. Build and maintain relationships with buyside investors and advisors to gather market insights. Support clients with questions about the platform and provide insights. Work closely with the product team to collect feedback and help shape improvements to the 9fin platform. What We Look For At least 2 years of experience in high-yield or leveraged finance markets, whether from the sell-side, buy-side, or a research firm. Strong communication skills, both written and verbal, with attention to detail.

Apr 14, 2026
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company9fin logo
Full-time|On-site|London

About 9fin9fin is an innovative AI platform that revolutionizes global debt markets, which represent the largest asset class exceeding $145 trillion.The debt market is extensive, critical, and global; however, it is often hindered by fragmented data, cumbersome PDFs, and outdated manual processes. 9fin addresses these challenges by offering a unified platform that consolidates proprietary credit data, in-depth analysis, and valuable workflows across international markets.Currently, 9fin supports over 300 prestigious institutions globally, including leading banks, asset managers, private equity firms, law firms, and advisory services. Our business is experiencing rapid growth, particularly in the US, with exceptional retention rates driven by extensive workflow integration.We stand at a pivotal moment in our journey. With validated product-market fit and robust global demand, 9fin is on a fast track to becoming the definitive platform for debt markets worldwide.The OpportunityBecome part of 9fin’s dynamic Data, Design, Product & Engineering team, freshly funded with $50M in Series B financing. We are assembling a world-class product team poised to lead the industry.With ten established product squads and plans for expansion, we seek a Senior Product Manager to guide one of our core teams based in London as we continue to cultivate an exceptional product organization.This role offers an exciting opportunity to influence the direction of a product and a company that is leveraging technology to transform the trillion-dollar debt capital market.

Feb 16, 2026
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company9fin logo
Full-time|On-site|London

Join 9fin as a Senior AI Engineer!At 9fin, we are revolutionizing the global debt markets—an asset class worth over $145 trillion. Our cutting-edge AI platform is designed to streamline fragmented data, PDFs, and manual workflows, allowing firms to harness proprietary credit data and high-value workflows efficiently.Trusted by over 300 blue-chip institutions, including global banks and private equity firms, 9fin is experiencing remarkable growth, especially in the US market. As we scale rapidly, we are excited to invite innovative minds to join our team.The OpportunityOur Data Science team is on the rise, and we are seeking a dedicated Senior AI Engineer to enhance our AI applications across various products. Collaborate with top researchers and engineers to build large-scale AI systems while applying the latest advancements in machine learning, computer vision, and natural language processing. Every day will bring new challenges and opportunities to innovate!Your Day-to-Day:Craft generative AI applications tailored to intricate financial and legal workflows, utilizing state-of-the-art models to create practical solutions that streamline decision-making.Lead the end-to-end model development lifecycle, championing best practices while ensuring reproducible research and efficient model delivery.Collaborate with cross-functional teams to exchange ideas, tackle business challenges, and mentor peers.Convert complex challenges into clearly defined projects within our dynamic, startup-like environment.Embrace cutting-edge research and methodologies, fostering a culture of rapid iteration and improvement.Proactively share innovative ideas and work with the team and organization, pushing the bounds of AI adoption.

Jul 10, 2025
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company9fin logo
Full-time|On-site|London

Join 9fin as a Customer Success ManagerAt 9fin, we are revolutionizing the global debt markets with our cutting-edge AI platform, harnessing the world’s largest asset class valued at over $145 trillion. We recognize that the debt markets, while expansive and vital, often rely on outdated systems characterized by fragmented data and manual processes. Our mission is to transform this landscape with an integrated platform that centralizes proprietary credit data, comprehensive analysis, and high-value workflows across international markets.Our platform is trusted by over 300 prestigious institutions worldwide, including leading banks, asset managers, private equity firms, law firms, and advisory firms. As we experience rapid growth, particularly in the US market, we are proud to maintain exceptional client retention rates, driven by our deep integration into client workflows.We are at a crucial turning point in our journey. With a validated product-market fit and robust global demand, 9fin is on the path to becoming the leading platform for debt markets globally.Your RoleAs a Customer Success Manager, you will play a pivotal role in nurturing client relationships and boosting revenue by optimizing client workflows. This newly established Customer Success function will work closely with our Account Management team, innovating collaborative strategies to enhance our partnerships with clients.Your focus will be on ensuring clients fully comprehend our product offerings and are motivated to maximize their use of the platform, utilizing data-driven strategies for effective communication.Collaboration with various teams is essential to implement strategies for increased platform usage, improve our user-friendly products, and deliver an outstanding customer experience.This unique position requires a commercially savvy individual capable of developing a high-performing strategy from the ground up, tailored to specific projects throughout the customer lifecycle.Join a dynamic and ambitious team in a rapidly expanding company, servicing the largest financial market globally, and take your sales career to the next level!

Jan 29, 2026
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company9fin logo
Full-time|On-site|London

Role Overview 9fin is hiring a Technical Program Manager in London. This role leads complex technical projects from planning through delivery, working closely with teams across the business. The Technical Program Manager keeps projects on track, aligns them with company strategy, and ensures high standards throughout. What You Will Do Oversee technical projects that support 9fin’s goals Coordinate with engineering, product, and other teams to deliver results Maintain clear communication among stakeholders at every stage Guide projects through their full lifecycle, from kickoff to completion

Apr 15, 2026
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company9fin logo
Full-time|On-site|London

About 9fin9fin is a pioneering AI platform that drives innovation in the global debt markets, valued at over $145 trillion. Our mission is to transform the fragmented landscape of debt markets, which often relies on disjointed data, PDFs, and outdated workflows. With our comprehensive platform, we centralize proprietary credit data, advanced analytics, and high-value workflows, streamlining processes across the globe.Currently, 9fin supports over 300 blue-chip institutions worldwide, including leading global banks, asset managers, private equity firms, law firms, and advisory firms. Our rapid growth, especially in the US, is a testament to our exceptional client retention rates driven by deep integration into their workflows.At this pivotal moment in our journey, we are poised to become the leading platform in the debt markets, with a proven product-market fit and strong international demand.The OpportunityAs a Product Marketing Manager, you will spearhead the go-to-market (GTM) strategies and execution for product launches, craft compelling sales enablement materials, conduct in-depth market research, and collaborate across departments to ensure the success of 9fin’s products. This role is perfect for a B2B SaaS marketing professional eager to enhance product adoption and refine messaging for innovative fintech solutions.What You'll Work OnEach day brings new challenges, but here are a few key responsibilities you will undertake:Design and implement GTM strategies for new product launches, ensuring alignment with overall business objectives and promoting collaboration among product, sales, and marketing teams.Produce sales enablement materials (such as presentations, case studies, battle cards, and one-pagers) to empower the sales team in effectively promoting our products.Conduct market segmentation analyses to identify target customer groups, customizing messaging and marketing strategies to meet their distinct needs and challenges.Articulate and share compelling product positioning that sets 9fin apart in the market and resonates with our target audiences.Stay updated on industry trends and competitive activities, providing insights that inform product development and marketing strategies.Work closely with customer success teams to enhance engagement, retention, and adoption through targeted campaigns and educational content.

Mar 24, 2026
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company9fin logo
Full-time|On-site|London

9fin is looking for a Staff Engineer to join the team in London. This position centers on building scalable systems and advancing the company’s financial data analytics platform. Staff Engineers at 9fin help set technical direction and have a direct impact on product quality. Role overview This role involves both hands-on engineering and collaboration with peers. The work supports evolving data and user needs, with a focus on reliability and performance. What you will do Design and develop systems that handle increasing data volumes and user demands Collaborate with fellow engineers to strengthen analytics features Offer input that shapes product features and influences the customer experience Location This is an on-site role based in London.

Apr 20, 2026
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company9fin logo
Full-time|On-site|London

About 9finAt 9fin, we are revolutionizing the global debt markets with our cutting-edge AI platform, which oversees a staggering asset class exceeding $145 trillion. Our mission is to eliminate the outdated practices that plague the debt markets—characterized by fragmented data, cumbersome PDFs, and inefficient manual workflows. We offer a cohesive solution by centralizing proprietary credit data, in-depth analysis, and streamlined workflows across various global markets.Today, 9fin is the trusted partner for over 300 leading institutions globally, including prominent banks, asset managers, private equity firms, law firms, and advisory firms. Our rapid growth trajectory, particularly in the US, is driven by exceptional client retention and deep integration of our workflows.We are at a pivotal moment in our journey, with a proven product-market fit and robust demand worldwide, propelling us towards becoming the leading platform for debt markets on a global scale.The OpportunityJoin our Sales Team, where you will play a vital role in nurturing client relationships and driving revenue by improving client workflows. In this position, you will focus on acquiring new clients while also enhancing existing accounts through cross-selling strategies. Collaboration with various teams is key to executing our sales growth strategy, enhancing our exceptional products, and delivering a premier customer experience.This is your chance to be part of a passionate, dynamic team within a rapidly expanding business that serves the largest financial market in the world, providing you with the opportunity to fast-track your sales career.What You’ll Work OnYour daily tasks will vary, but here’s a glimpse of what you will be involved in:Cultivating and managing strong relationships with a portfolio of key 9fin clients.Driving account growth and achieving a target of 125% net retention.Showcasing new features and products from the 9fin platform to clients.Participating in relevant industry conferences and events.Formulating pricing strategies to upsell and cross-sell additional 9fin products and services.Engaging with senior decision-makers and influencers at existing client organizations to identify future business and product opportunities.Maintaining accurate records of client interactions in our CRM system.

May 30, 2025
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companyTheodo logo
Full-time|On-site|London

Role Overview Join us as a Full Stack Engineer at Theodo, where you'll have the chance to work directly with clients, including CEOs and co-founders, to understand their unique requirements and develop tailored solutions. You'll engage in hands-on learning from day one, guided by seasoned developers who will mentor you in managing your own projects. As you progress, you'll take on greater responsibilities, mentor junior developers, and become a key technical advisor within your team. If you excel at solving complex problems and are eager to expand your technical skill set while tackling new challenges, this is the opportunity for you.In this role, you will be part of a small, dynamic team focused on creating innovative web and mobile applications for our clients. Collaboration with agile and technical coaches will be essential as you build scalable solutions using the latest technologies.

May 29, 2025
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companyHerondata logo
Full-time|On-site|London, UK

(Applicants must be based in London, UK)About the RoleWe are on the lookout for talented and driven Full Stack Engineers to join our innovative team at Herondata. As a pivotal member of our fast-growing AI startup, you will play a crucial role in crafting elegant technical solutions that address our customers’ diverse challenges. If you are passionate about delivering high-quality code and are eager for a rewarding new challenge, we want to hear from you!Key ResponsibilitiesIn this hands-on role, you will focus on developing products that provide real solutions for our customers. Your responsibilities will include:Creating, maintaining, and enhancing backend services and APIs.Developing and designing new UI and web components.Integrating with third-party services and AI models.Assisting in bug triage, investigating production incidents, and contributing to postmortems and root cause analyses.Engaging in code reviews and collaborating with both technical and non-technical teams and stakeholders.What We SeekOur ideal candidate will:Be passionate about building impactful solutions: You enjoy shipping code rapidly, valuing MVPs and customer outcomes more than perfection. You take ownership of the deployment of your work.Excel at solving complex technical challenges: You can break down problems into simple, effective solutions, maintaining a fact-based and thoughtful approach.Focus on scalability: You prioritize impactful action while ensuring scalable infrastructure and engineering processes. You bring innovative practices to improve our systems.Contribute within our tech stack: We are currently utilizing Python/Flask/FastAPI for the backend, Terraform/GCP/AWS for infrastructure, and React/JavaScript/TypeScript/Vercel for the frontend. Your ability to contribute and enhance our stack is essential.

Oct 1, 2025
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companyTipalti logo
Full-time|On-site|London, England, United Kingdom

Overview Join Tipalti, a dynamic fintech company located in the heart of London, dedicated to automating financial workflows for small and medium-sized businesses. Our engineering culture is robust, collaborative, and focused on making a tangible impact for our clients. As a Senior Full-Stack Engineer, you will merge hands-on engineering skills with a product-oriented mindset. You will define requirements, engage in technical discussions, and influence user experiences while managing the entire software development lifecycle. Responsibilities Develop robust, efficient, and well-tested code across the technology stack. Create new features and enhancements that align with product priorities. Participate in design and architecture discussions, shaping the technical direction. Review code with team members, ensuring clean code practices and quality standards are met. Collaborate closely with Product Managers to clarify requirements and propose solutions. Proactively identify questions, edge cases, and assist in refining specifications. Provide technical insights into prioritization and product decisions. Communicate effectively with designers, engineers, and stakeholders. Share knowledge and mentor colleagues as needed. Engage with external partners and vendors for integration work when necessary. Requirements Experience building across the full stack and a keen interest in learning new technologies. A passion for writing clean, maintainable, secure, and well-tested code. Strong collaboration skills and a preference for team environments. A curiosity about customer needs and the ability to translate them into technical solutions. A commitment to continuous learning and knowledge sharing within the team. Preferred Tech Skills Proficiency in JavaScript / TypeScript, Node.js, and React (or similar frameworks). Experience with REST APIs or microservices architecture. Familiarity with MongoDB. Knowledge of cloud services, particularly AWS. Why Join Tipalti? An open, inclusive, and supportive engineering culture.‍ Opportunities to build products utilized by some of the world’s fastest-growing companies. Equity options in a late-stage scale-up.

Mar 18, 2026
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companyFaculty logo
Full-time|On-site|London

Join Faculty as a Full Stack Software Engineer and be part of a dynamic team that is pushing the boundaries of technology. We are looking for an innovative and driven individual who thrives in a fast-paced environment and is passionate about building scalable applications.As a Full Stack Software Engineer, you will work on both front-end and back-end development, collaborating closely with cross-functional teams to deliver high-quality software solutions that meet our clients' needs.

Mar 20, 2026
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companyIntropic logo
Full-time|On-site|London UK

Who We AreAt Intropic, we are revolutionizing financial intelligence by merging profound market expertise with cutting-edge AI technology. Established in the heart of London’s Canary Wharf, our mission is to simplify complex data into actionable insights. Our workplace culture thrives on values such as truth-seeking, speed, and accountability, shaping our collaborative and innovative environment. We prioritize integrity and impact, encouraging curiosity and independent thinking. If you are passionate about tackling challenges, driven by innovation, and eager to enhance your intelligence alongside a team of brilliant minds, Intropic is the perfect place for you to bring your ideas to life.Who We Look ForAs a dynamic fintech start-up with a successful product lineup, we are on the brink of launching our next groundbreaking initiative. We seek individuals who excel at solving complex, open-ended problems across various domains; our engineers are expected to engage in more than just routine tasks. A typical week might involve debugging Python code, implementing infrastructure changes, engaging with early adopters, and collaborating on strategic planning with team leads. We value talent over traditional resumes; if you are interested, we would be thrilled to hear from you!

Feb 3, 2026
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companypharmacy2u logo
Full-time|Hybrid|London, England, United Kingdom

Pharmacy2U, the UK's largest online pharmacy, serves over 1.8 million NHS patients and has been a trusted name in digital healthcare for 25 years. As a certified B Corp and Great Place to Work, the company is committed to high social and environmental standards, transparency, and a supportive workplace. Role overview This Full Stack Engineer position is based in London with a hybrid work model. Expect to work from the central London office twice each month. The role is permanent and full-time. Core hours are 09:30 to 16:00, with flexibility to adjust your schedule around these times. What you will do Share technical responsibility for both current and new services. Collaborate with engineers, clinicians, algorithm developers, and Quality Analysts to deliver solutions that are reliable and well-tested. Take part in an out-of-hours on-call rota when required. On-call duties are scheduled fairly and include additional compensation. Who we’re looking for The team is seeking a skilled, detail-oriented Full Stack Engineer who values collaboration and problem-solving. A strong commitment to quality and a desire to improve healthcare for millions are important in this role. Why join Pharmacy2U? Work alongside a team focused on enhancing patient care through technology. Join an organization recognized for its positive culture and social responsibility. Receive a comprehensive benefits package and a competitive salary based on experience. Benefit from supportive and flexible working arrangements.

Apr 28, 2026
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companyCorgi logo
Full-time|£75K/yr - £140K/yr|Hybrid|London, England, United Kingdom

Corgi builds insurance products for tech startups, using artificial intelligence to power underwriting and streamline processes. The company operates as a fully licensed carrier, has raised $108M, and is expanding into the UK and EU. The platform relies on Django and Stripe, with a focus on fast, AI-driven solutions. Role overview This Full-Stack Engineer position is based in London. The team values people who turn ideas into working products, whether through side projects, weekend builds, or tools that real users rely on. Engineers here often work independently, taking projects from concept to deployment without waiting for a detailed roadmap. Self-starters who enjoy building and shipping quickly will feel at home. Requirements Track record of independently developing and launching projects that reached users Comfort working across the stack, especially with Django and Stripe Ability to deliver results in hours or days, not long cycles Adaptability and willingness to change direction as needed Strong opinions, paired with openness to better solutions Focus on outcomes and results over job titles How we work Decisions happen quickly, prioritizing action over perfection Products and process changes launch regularly, not just on a quarterly basis Ship-and-iterate mindset: feedback and improvement come after launch High energy is expected during product pushes and quieter times Transparency: decisions are made openly Internal competition is encouraged, with top performers raising the bar This is a hands-on role for builders who want to make an impact. Behaviors that lead to removal Office politics, avoiding responsibility, or gossip Taking direct feedback personally instead of constructively Adding unnecessary overhead instead of streamlining Missing deadlines after committing to them How to apply Send links to GitHub, personal sites, live projects, or shipped work Resumes are not accepted Email applications to: sergio@corgi.com If you cannot show shipped work, this role is not a fit Location and compensation London-based, with on-site or hybrid options Base salary: £75,000 to £140,000, plus equity Compensation is based on ability to ship, not job titles

Apr 27, 2026
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companyFreelancer.com logo
Full-time|On-site|London, England, United Kingdom

Join our dynamic Platform Performance team as a Full-Stack Software Engineer with 2–4 years of experience, and help us create fast, scalable solutions for millions of users globally.In this role, you will engage in all aspects of the software stack—enhancing frontend performance, optimizing backend services, and improving the responsiveness, reliability, and overall user experience of our interfaces. You will collaborate with a dedicated team of engineers and product managers to identify performance bottlenecks, contribute to architectural enhancements, and help advance our design system.This position is a fantastic opportunity for a driven engineer who is eager to expand their skillset in a fast-paced environment and make a significant impact at scale.Freelancer.com is the largest freelancing and crowdsourcing platform in the world, connecting over 80 million users across 247 countries and territories. Our platform empowers businesses, entrepreneurs, and individuals to collaborate with skilled professionals globally, turning ideas into reality more efficiently than ever.Our ambitious mission is to create one billion jobs worldwide by enabling people to work for themselves and build sustainable online careers. Every feature we develop and every performance enhancement we implement brings us closer to realizing this unprecedented opportunity.

Dec 3, 2025

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