Senior Android Engineer - Mobile Platform

About the Team Join SumUp's Mobile Platform Squad as a Senior Android Engineer and play a pivotal role in the development of our rapidly expanding Android ecosystem. With substantial investments in our flagship products, we empower our feature teams to create world-class experiences. You will be crucial in establishing a robust foundation that allows over 40…

At GetGround, we strive to revolutionize property investment, making it safer, quicker, and more accessible for landlords. Our belief in AI's transformative power drives us to enhance the landlord journey, reimagining the entire process of property investing. Our vision is to disrupt the £1.7 trillion UK asset class, creating a future of buy-to-let that is distinctly innovative.We delve into the ideas, predictions, and data trends that will shape this evolving landscape and their implications for landlords and the PropTech industry.Our core values—no BS, pursuit of excellence, feedback obsession, and healthy ego—form the foundation of our culture, inspiring our team to deliver a world-class investment experience for our users.By the Numbers: 85+ GetGrounders (ex Google, Meta, Deliveroo, Startups) £2bn+ of assets under management 30,000+ users across 70 countriesSeries A with a strong runwayYour Role:As a Senior Full Stack Engineer, you will craft innovative solutions in a dynamic environment where technical excellence meets product thinking. Join one of our cross-functional product teams in London, collaborating closely to develop user-facing AI-native products that redefine software development.Our Work Culture:At GetGround, we prioritize AI not just in our products, but also in our coding practices, system reasoning, and professional growth as engineers. We seek Full Stack Engineers who are enthusiastic about collaborating across the technology stack and comfortable utilizing AI tools throughout both the discovery and delivery phases.What Matters to Our Engineers:Commitment to technical excellence, supported by rapid feedback loops and AI-enhanced workflows.Clear and thoughtful communication across code, documentation, and discussions.Eagerness to contribute to a high-performing team culture.

Join Hutch Games as a Junior Gameplay Programmer and embark on an exciting journey in the gaming industry! In this role, you will collaborate with a team of talented developers to create engaging gameplay experiences for our players. You will be involved in designing, implementing, and optimizing game mechanics.

Become a Force for Good with Axon.At Axon, we are committed to the mission of Protecting Life. We tackle society's most urgent safety and justice challenges through our innovative devices and cloud-based software. Our collaborative spirit drives our success as we engage with diverse perspectives from our customers, communities, and each other.Working at Axon is fast-paced, fulfilling, and engaging. You will have the opportunity to take ownership and enact real change while growing in a mission-driven environment where your contributions are valued.Your ImpactAs a Senior Software Engineer within the Infrastructure Services team at Dedrone, you will be tasked with designing, building, and enhancing the core systems that support our developer platform and critical backend services. Your robust software engineering skills coupled with extensive infrastructure knowledge will ensure our platform remains scalable, reliable, and secure. This role transcends traditional infrastructure operations; you will create production-ready backend services, design cloud-native systems, and manage the CI/CD and runtime environments that underpin our product ecosystem. Your influence will shape engineering standards, enhance developer experiences, and steer architectural decisions across Dedrone’s product teams.What You’ll DoWork Location: This position is situated in our London office following a hybrid work model. We emphasize in-person collaboration, requiring team members to be on-site from Tuesday to Friday, with the flexibility for remote work on Mondays, unless a workplace accommodation is in place. We believe that connection drives innovation, and our in-office culture is crafted to promote meaningful teamwork, mentorship, and collective success.Reports to: Engineering Manager, Infrastructure ServicesBackend & Platform Service EngineeringDesign, construct, and sustain production-grade backend services (primarily using Java, Go, or Python) that facilitate deployment orchestration, internal APIs, and developer platform functionalities.Contribute to architectural decisions encompassing service boundaries, API design, persistence layers, scalability strategies, and fault tolerance.Enhance performance, reliability, and maintainability of platform services through rigorous testing practices and meticulous system design.Manage and evolve shared services governed by the Infrastructure Services team.CI/CD & Developer PlatformOwn, design, and refine CI/CD systems that support Dedrone’s distributed product ecosystem.

Join Our Team as a Regional Technology Partners ManagerAt Cockroach Labs, we redefine technology disruption. Our flagship product, CockroachDB, empowers companies to seamlessly build and scale innovative applications. Join us in our mission to tackle significant challenges and create impactful solutions.The RoleWe are seeking a skilled Senior Manager to spearhead our Independent Software Vendor (ISV) partner sales strategies across the EMEA region. This pivotal role within the Alliances and Partnerships team will focus on enhancing and expanding our ISV partnership program. You will be responsible for identifying, recruiting, and cultivating high-impact partners while closely collaborating with sales, technical, and go-to-market stakeholders to drive revenue and pipeline growth.Success in this role requires a deep understanding of ISV partner dynamics, a proven track record in generating partner-led revenue, and a dedication to fostering long-term, collaborative partnerships. This position is based in London, UK.You WillDevelop and Execute ISV Partner StrategyDefine and implement a strategic roadmap for ISV partnerships in the EMEA region.

Join Us in Revolutionizing the Fashion Supply Chain!Did you know that the fashion industry generates over 100 billion garments each year, with a staggering 60% ending up in landfills? This occurs not due to a lack of demand but because the current supply chain for secondhand fashion is outdated, manual, and disorganized.At Fleek, we are on a mission to transform this broken system. Our goal is to make secondhand fashion the primary choice, and we are building the infrastructure that will power the global secondhand clothing market. This includes a B2B marketplace and advanced AI systems that will digitize the supply chain.With Fleek, vintage stores, online resellers, and retail buyers can easily source graded secondhand inventory directly from wholesalers and rag houses across various countries. Our innovative tool, FleekSort, utilizes AI to grade, price, and categorize items with just a photo, turning a historically opaque trade into a clear, searchable, and tradable global inventory.Since our inception in 2022, we've successfully diverted 9 million items from landfills and have experienced remarkable growth, tripling in size annually. We have secured approximately $50 million in funding from prestigious investors like a16z, Y Combinator, Burda Principal Investments, and HV Capital. Our advisory board boasts industry leaders from renowned companies such as Depop, Shopify, and Postmates.Today, we cater to thousands of resellers and retailers across the UK, Europe, and the US. As the secondhand fashion market is projected to reach $350 billion by 2027, Fleek is establishing the AI-driven operational and financial backbone for secondhand commerce on a global scale.We are looking for passionate individuals who are eager to create meaningful change and thrive in a fast-paced environment. If this excites you, read on!About the RoleAs a Senior Full Stack Engineer in our product engineering team with a focus on frontend development, you will report directly to our CTO, Sanket Agarwal (formerly of Google and Postmates). You'll collaborate closely with a product manager and designer within a small, senior team dedicated to enhancing user growth and optimizing the core consumer experience.Why This Role is UniqueAt Fleek, we are creating a vibrant, video-first marketplace where each item is one-of-a-kind, supply is unpredictable, and the purchasing experience must cater to both professional resellers making high-volume decisions and first-time buyers venturing into an entirely new market.You will be part of our Growth team, reimagining core user journeys from scratch, enhancing the discovery experience, streamlining the buying flow, and improving seller onboarding.

Join Us in Revolutionizing the Fashion Supply Chain!Every year, the fashion industry generates over 100 billion garments, with a staggering 60% ending up in landfills—not due to lack of demand, but because the supply chain for secondhand fashion is outdated and inefficient.At Fleek, we are committed to changing this narrative. Our mission is to position secondhand fashion as the preferred choice, by developing a robust infrastructure that supports the global secondhand clothing market through a B2B marketplace and AI-driven systems that digitize the supply chain.With Fleek, vintage shops, online resellers, and retail buyers can source high-quality secondhand inventory directly from wholesalers and rag houses across various countries. Our innovative solution, FleekSort, is an AI model specifically designed for secondhand fashion, enabling grading, pricing, and categorization of items with just a photo, transforming an opaque and manual trade into a clear, searchable, and tradable global inventory.Since our inception in 2022, we have rescued 9 million items from landfills and have seen our growth triple year-on-year. We have successfully raised approximately $50M from leading investors such as a16z, Y Combinator, Burda Principal Investments, and HV Capital, and recently completed our Series B funding round. Our advisors and private investors include key figures from Depop, Shopify, and Postmates.Currently, we cater to thousands of resellers and retailers across the UK, Europe, and the US. With projections of the secondhand fashion market reaching $350B by 2027, Fleek is poised to establish the AI-powered operational and financial backbone for global secondhand commerce.Are you ready to contribute to a cause that truly matters and drive change swiftly? If so, we want to hear from you!About the RoleWe are on the lookout for a highly technical and innovative Full-Stack Growth Builder who will redefine how customer lifecycle marketing propels growth at Fleek. This role transcends traditional CRM responsibilities; you will design and implement the entire system from data collection to strategic execution, making AI your primary toolkit.Your responsibilities will include creating intelligent CRM systems that identify the optimal timing, channel, and messaging for customer outreach, utilizing real-time user signals and context. You will also establish robust experimentation frameworks to accurately measure the impact of lifecycle messaging while avoiding over-attribution. Furthermore, you will spearhead the use of AI-driven content generation and personalization, ensuring a balance between scalability, quality, and relevance.As we scale our marketplace from thousands to tens of thousands of active buyers, you will be instrumental in building our data infrastructure in real-time.

Join our passionate team at Ledger, where we are dedicated to redefining the landscape of digital ownership. Our mission is to empower users, creators, and enterprises to take control of their value with unparalleled freedom through technology that is accessible to everyone. We thrive on innovation, fostering a culture of curiosity and problem-solving that encourages every team member to challenge norms and develop groundbreaking solutions. At Ledger, we are committed to making self-custody accessible, giving individuals the keys to their financial futures. If you’re eager to make a significant impact, we invite you to become part of our journey.As the leading global platform for digital assets and Web3, Ledger secures over 20% of the world’s crypto assets through our advanced hardware wallets, with more than 7.5 million units sold across 200 countries. With headquarters in Paris and offices in various locations including London, we employ around 600 skilled professionals dedicated to developing secure products and services that allow individuals and businesses to manage their crypto assets with confidence.The TeamYou will be an integral part of the E-commerce Engineering team, which is responsible for the entire customer experience on ledger.com. This team oversees the customer journey from discovery to checkout, utilizing a modern technology stack (Next.js, Shopify, Contentful, Vercel) to deliver high-performance, conversion-optimized experiences.In our dynamic, product-focused environment, we prioritize frequent deliveries and continuous optimization in performance, SEO, and conversion rates.What You’ll Be DoingAs a Senior Frontend Engineer, you will play a pivotal role in shaping the web experiences that millions of customers rely on. This hands-on position involves significant ownership, where you will lead complex projects from conception through to production, influence technical direction, and uplift team standards through mentorship.Your responsibilities will include:End-to-End Project OwnershipLead the development of impactful features from inception to deployment.

At OakNorth, we are dedicated to empowering the UK's most ambitious enterprises. Since our inception in 2015, we have successfully lent over $21 billion across the UK and the US, contributing to the creation of more than 58,000 new homes and 36,000 jobs, while supporting hundreds of thousands of personal savers and bolstering the UK economy.We are on the lookout for Junior Software Engineers, particularly recent Computer Science graduates or those in the early stages of their development careers. You will become a part of our innovative AI-native engineering team, where small, highly autonomous pods operate in a groundbreaking manner. Alongside your peers, you will engage in the complete product development lifecycle—designing, building, testing, and deploying—within a highly independent team structure.This initiative represents a pivotal shift in our development practices at OakNorth, placing you at the forefront of technological innovation.Your role will involve pushing the boundaries of modern AI tools and transforming those capabilities into effective systems utilized by real teams. We are seeking curious creators—individuals who naturally test, compare, break, rebuild, and optimize. Your contributions will be instrumental in shaping the AI-native engineering culture within the bank, with a strong emphasis on execution: rapid prototyping, deployment, and measurable impact.

Plain builds customer support software for B2B companies. Our mission: help organizations move from reactive support to building real customer relationships. Teams like Cursor, Vercel, and Granola use Plain to streamline customer interactions, improve team collaboration, and strengthen workflows with AI-powered tools. The B2B support landscape is changing quickly. AI is shifting support from a siloed function to something that touches the whole company, often across platforms like Slack and Discord. Old approaches, slow, manual, disconnected, no longer fit. This role follows a hybrid model. Expect to spend three days each week in our London office. What you will do Build across the stack: frontend, backend, and everything in between. Ship features that are fast, reliable, and a pleasure for users. Shape product and technical direction by working closely with design, engineering, and leadership. Partner with customers to understand their needs and create thoughtful solutions. Help foster a product-focused engineering culture. What we look for Experience delivering features end-to-end, especially in fast-moving teams. Initiative and strong problem-solving skills; able to drive projects and improve how things work. Focus on customer success; values user experience as much as code quality. Interest in engaging with customers and shaping the product, not just executing tasks. Care for craftsmanship and enjoys building simple, effective, polished products. Wants to grow in a collaborative team and have a say in company practices.

Role Overview AECOM is hiring a Municipal Civil Engineer in London. This position focuses on designing, planning, and delivering civil engineering projects that support and improve urban infrastructure. The work contributes directly to the development and sustainability of local communities. What You Will Do Work with teams across multiple disciplines to deliver municipal projects Contribute to the design and planning of infrastructure that supports urban growth Help ensure projects meet sustainability and community needs

About the Role Shawbrook Bank is looking for a Senior Software Engineer in London. This role focuses on building software that supports business growth and improves efficiency. Collaboration with other engineers and teams is central to the work. What You Will Do Develop and maintain high-quality software tailored to customer needs Work closely with colleagues to deliver solutions that support the bank’s goals Contribute technical expertise to projects and ongoing improvements

Corgi builds insurance products for tech startups using AI and a modern stack. The company operates as a licensed carrier, has raised $108 million, and recently expanded into the UK and EU. The platform uses Django, integrates Stripe for payments, and features AI-powered underwriting. Corgi is growing its engineering team in London. Role overview This Frontend Software Engineer role in London focuses on building and shipping products with autonomy. The team values engineers who can take an idea from concept to live deployment without waiting for detailed roadmaps. Experience launching side projects, weekend builds, or products used by real customers is highly regarded. What makes a strong fit Motivation to work in a startup environment Proven ability to independently build and launch projects Delivers results quickly, sometimes within hours or days Comfort working across the stack and adapting to new challenges Shares clear opinions but remains open to better ideas Prioritizes outcomes and team goals over titles How the team works Decisions happen quickly; perfection is not required Products and improvements launch regularly, not just quarterly Emphasis on shipping and iterating instead of long review cycles High intensity is standard, both during launches and quieter times Decisions are made openly and transparently Internal competition encourages everyone to improve This position is for builders who want to create and deliver real products. Behaviors that will end the role quickly Engaging in office politics or gossip Taking direct feedback as personal criticism Adding unnecessary process or overhead Missing deadlines after committing to them How to apply Send links to GitHub, personal websites, live projects, or shipped products CVs are not required Email applications to: sergio@corgi.com Proof of shipped work is required Location and compensation Based in London, with on-site or hybrid options Base salary ranges from £75,000 to £140,000, plus equity options Salary depends on ability to ship, not seniority or job titles

Join us as a Summer Activity Leader for a fixed-term contract in 2026! In this engaging role, you will be responsible for organizing and leading a variety of activities for students, ensuring a fun, safe, and enriching experience. This position is perfect for those who are passionate about working with youth and possess strong leadership skills.

Join Our Team as a Principal Software EngineerLocation: Waterloo, London, England, UK | Hybrid (1 day per week in office)About 8th LightAt 8th Light, we breathe life into innovative ideas and transform them into reality. Established in 2006 and based in Chicago, we are a premier technology solutions provider that collaborates with organizations to tackle significant challenges and foster sustainable growth. From dynamic startups to large global enterprises, we specialize in enhancing our clients’ digital products through innovative product strategies, experiential design, AI solutions, and exceptional engineering expertise.Our dedication to quality enables us to deliver solutions that we take immense pride in, while our insatiable curiosity fuels innovation and breakthrough thinking. At 8th Light, we thrive in an environment that promotes continuous learning, empowering growth through mentorship and hands-on experience. We cultivate an open, collaborative culture rooted in honesty and trust, believing that true success is measured by the results we achieve for our clients.If our mission and culture resonate with you, we encourage you to apply!

Role overview Funding Circle seeks a Senior AI Platform Engineer based in London. This role centers on shaping and improving AI-powered solutions that make small business financing more accessible. The focus is on designing, building, and refining machine learning systems that enable faster, more effective lending decisions. What you will do Design and develop AI platforms that can scale for production use Optimize machine learning systems to boost performance and reliability Partner with engineers, data scientists, and product managers to deliver solutions that have real impact Team and impact Work alongside a skilled team committed to creating technology that helps small businesses access funding efficiently. The results of your work will directly support Funding Circle’s mission to make finance more accessible for small businesses.

Join Tembo as a Technical Engineering Lead and collaborate closely with our hands-on CTO to drive innovation and excellence in software development. As a key member of our dynamic team, your insights will shape our software delivery process, architecture, and tools. With recent backing from prestigious investors, we are dedicated to realizing our vision and delivering our comprehensive product roadmap.The RoleYour journey at Tembo will be both thrilling and fulfilling. You will be an essential voice in our rapidly expanding team and will significantly influence the future trajectory of our technical platform.On a daily basis, your responsibilities will include:Developing innovative features as we progress beyond our Minimum Viable Product (MVP)Advocating for best practices throughout the codebaseDiagnosing and resolving performance challenges and bugsPlaying a vital role in the technical design and architectural decisions of the platformContributing to the evolution of our development processes as we scaleFostering a collaborative and open team cultureMentoring and guiding junior developersWhat We’re SeekingA proven track record in similar roles, demonstrating technical expertiseA genuine passion for quality coding and software developmentWillingness to take ownership of projects from inception to productionA user-centric approach focused on delivering tangible valueUnderstanding of best practices while maintaining a practical approachAdept at system architecture, laying the groundwork for future growthComfortable engaging with complex problem-solving rather than just task completionWhy You Should Consider Joining UsCompetitive salary ranging from £80,000 to £90,000 based on experienceGenerous equity options – align your success with Tembo’s growth25 days of holiday plus public holidaysFlexible remote work options or in-office work in LondonAdaptable working hours within London time zone (+/- 3 hours)Budget for conferences and training – we support your developmentHigh-end work setup including a laptop, monitor, and additional home office perksUnique opportunity to be part of a startup poised for substantial growth

About AboundAt abound, we are revolutionizing the landscape of consumer lending across the UK and beyond. By leveraging cutting-edge AI and Open Banking data, we strive to make fair and affordable personal finance accessible to a wider audience. Unlike traditional lenders who heavily depend on credit scores, we analyze the complete financial picture of our customers—considering their spending patterns and repayment capabilities—to build a nuanced understanding of their unique financial situations.Our approach has proven successful at scale. We have facilitated over £1.3 billion in loans directly to customers while achieving exceptional credit performance—for every 10 defaults anticipated by the industry, we experience only 3. Remarkably, we reached profitability just 2.5 years post-launch.With backing from over £2 billion from prestigious investors including Citi, GSR Ventures, and Deutsche Bank, we are recognized as one of Europe’s fastest-growing fintech companies (Sifted, CNBC). As we expand into new markets and product lines, we are on the lookout for driven individuals eager to learn, take ownership, and grow alongside us.We are seeking a talented Senior Python Engineer to join our engineering team. In this role, you will collaborate closely with our Finance team to design and implement automation solutions that enhance our core financial operations. You will be responsible for translating business needs into robust, maintainable systems that increase accuracy and efficiency across critical workflows.This position requires a candidate who blends strong technical acumen with a desire to understand the business intricacies. You will be empowered to independently scope and execute changes, manage stakeholder expectations, and ensure every enhancement is durable. Your contributions will play a vital role in maintaining the smooth and scalable operation of our financial processes.We value engineers who take initiative, enjoy tackling complex challenges, and excel at clarifying ambiguous requirements. You will thrive in our environment if you are motivated by creating systems that deliver tangible business impact, can articulate technical concepts to non-technical partners, and take pride in producing high-quality, well-designed code.At abound, you will immerse yourself in a culture that champions autonomy, curiosity, and continuous improvement. You will engage with a modern Python-based tech stack, gain in-depth insights into how financial operations function in a rapidly growing lending business, and have the opportunity to enact significant technical changes in collaboration with experienced stakeholders.

Join Attio in Revolutionizing CRM for the AI Era!At Attio, we're on a mission to create the first AI-native CRM, crafted specifically for the most ambitious go-to-market teams. Recently, we secured a $52M Series B funding round led by GV (Google Ventures), with contributions from Redpoint, Balderton, Point Nine, and 01A. Our team is passionate about tackling complex technical challenges, enhancing user satisfaction, and setting a new industry benchmark.About the RoleOur Engineering team addresses the most demanding challenges, ensuring our users enjoy a seamless experience. We focus on real-time infrastructure, AI-native architecture, and a user-friendly interface, all powered by a dedicated team that values speed, rigorous thinking, and exceptional quality.We are in search of a Product Engineer who is passionate about crafting beautiful, high-performing systems, and eager to help reshape how millions of individuals work.Your ResponsibilitiesLeverage your expertise in JavaScript/TypeScript to implement innovative product features in our Node.js backend and React frontend.Collaborate with teams to deliver cutting-edge user experiences within a high-performance, data-rich application, utilizing your knowledge of modern frontend development techniques or distributed systems.Grow and learn from some of the top technical talents in the industry today.Act as a representative of Attio's Product & Engineering values internally and externally.Your QualificationsProficiency in JavaScript/TypeScript.Demonstrated ability to deliver independently, resolving real customer or product challenges within a team setting.A proactive, self-driven problem-solver with a strong enthusiasm for acquiring new skills and experimenting with innovative techniques.Solid understanding of how exceptional technical work contributes to outstanding user experiences.Effective communication skills to articulate technical ideas to the broader team and influence stakeholders across Engineering, Product, and Design.Preferred QualificationsExperience with modern development methodologies and tools.Familiarity with cloud services and infrastructure.

Senior Full-Stack/AI Engineer (Frontend-Focused)About Us:At AND Digital, we are a forward-thinking technology company committed to enhancing digital delivery and bridging the digital skills gap. Since our inception in 2014, we have empowered organizations to create exceptional digital products and cultivate robust digital teams.Our philosophy centers around creating lasting legacies for our clients. By fostering close partnerships with our regional Clubs, we ensure that our clients receive prioritized support from teams located nearby.This innovative model has fueled our success, reflected in our remarkable organic growth since 2014. Today, we boast a talented workforce of over 1,300 professionals across Clubs in the UK and Europe, with ambitious plans for global expansion in the coming years.Join us in our mission to close the global digital skills gap.Your ContributionsEssential Technical SkillsExtensive hands-on experience in delivering comprehensive JavaScript/TypeScript solutions, showcasing strong expertise in React, Next.js, Node.js, and the wider JavaScript ecosystem.Proficient in developing high-quality, production-ready systems with a solid understanding of performance, accessibility, security, and maintainability.Exhibits technical leadership within teams by influencing implementation strategies, guiding architectural decisions, and exemplifying engineering excellence through active contributions.Strong grasp of cloud infrastructure (preferably AWS) and CI/CD pipelines, including knowledge of application lifecycle management in production environments.Adopts a DevOps mindset to ensure efficient delivery workflows, enhanced observability, and operational readiness.Capable of taking ownership of intricate technical challenges, making pragmatic compromises, and effectively communicating decisions to both technical and non-technical stakeholders.Comfortable operating across the technology stack, with the ability to contribute meaningfully to backend services when necessary, despite a frontend inclination.AI & Emerging TechnologiesHands-on experience implementing AI in practical settings, such as integrating AI APIs/services, crafting AI-enhanced user experiences, or utilizing AI-assisted development tools responsibly.Adept at discerning where AI can add genuine value in comparison to traditional engineering methodologies.Skilled in assessing risk, cost, maintainability, and user impact when proposing AI-driven solutions.Curious about emerging AI trends, frameworks, and tools, with the ability to apply them in practical contexts rather than purely experimental settings.Capable of advising clients on realistic AI possibilities, helping them differentiate between hype and practical benefits.Consulting & Client EngagementExperience in consulting or client-facing roles, demonstrating confidence in navigating ambiguity and fostering client relationships.