Staff Fullstack Engineer

Join the Lovable Revolution:Are you a passionate full-stack engineer dedicated to driving growth? At Lovable, we’re on a mission to transform initial interactions into daily habits and foster a vibrant ecosystem that generates real revenue. You'll find yourself launching onboarding and activation flows one sprint, and the next, you'll be innovating distribution channels and monetization features, empowering creators to expand their user base and enhance retention. Your expertise in React and APIs is crucial, but above all, you prioritize user success and engagement.The Ideal Candidate:You possess a unique blend of coding prowess, strong aesthetic judgement, growth-focused instincts, and an unwavering passion for product development.Why Join Lovable?Lovable empowers individuals and teams, from freelancers to Fortune 100 companies, to create software in any programming language. Our platform has already attracted over 2 million users across more than 200 countries, helping them bring ideas to life quickly and efficiently. As part of our small yet talented team in Stockholm, you'll play a pivotal role in redefining the software development landscape. We value ownership, speed, and collaborative spirit, and we seek individuals who are driven, fast-paced, and eager to make a significant impact.

We are seeking a proactive and dedicated People Operations Manager to take charge of our UK people operations. This pivotal role is based in our London office and is essential for providing an exceptional and reliable employee experience, encompassing everything from payroll and benefits to everyday support.As the primary point of contact for our UK team, you will collaborate closely with a globally coordinated People Operations function. This role demands strong execution skills, sound judgment, and the capability to engage effectively with senior stakeholders, ensuring a balance between business needs and employee priorities.Key ResponsibilitiesManage and oversee UK payroll and commission processes, ensuring accuracy, timeliness, and scalability.Facilitate UK immigration processes.Continuously enhance our UK benefits programs.Serve as the initial point of contact for UK employees regarding all people-related matters.Oversee daily HR operations, ensuring policies, compliance, and processes are effectively managed.Leverage data to analyze trends, identify issues, and implement operational improvements.Design and implement automation, workflows, and AI tools to enhance efficiency and minimize manual tasks.Shift operational leverage towards systems to dedicate more time to people and impact.Collaborate with finance and the global People Ops team on reporting, audits, and process enhancements.Engage with senior stakeholders across the organization, managing objections, balancing trade-offs, and fostering alignment on people-related decisions.Collaborate on international and strategic People Ops initiatives, especially in relation to systems and tools.

lovable is looking for a Fullstack Enterprise Engineer in London. This position centers on building and delivering software solutions that meet enterprise standards. Collaboration with teams across disciplines is a key part of the work. Role overview This role involves developing software from both the front-end and back-end, ensuring each component integrates smoothly. The focus is on producing reliable, maintainable code that supports business needs. What you will do Develop and implement software solutions for enterprise use Work with cross-functional teams to deliver projects Apply experience in both front-end and back-end technologies Requirements Experience with front-end and back-end development Ability to collaborate effectively with colleagues from different specialties Commitment to producing high-quality, impactful results

Overview: We are seeking a dynamic Founding Go-To-Market (GTM) Account Executive to spearhead Lovable's next phase of expansion by introducing our AI-driven software creation platform to startups and enterprises globally. You will manage the complete sales cycle—from initial outreach to closing deals—transforming interest into commitments and contracts. If you excel in building momentum, crafting compelling narratives, and navigating complex deals, this is your opportunity.Why Join Lovable?Lovable empowers individuals and businesses alike to create software using any programming language. From solo entrepreneurs to Fortune 100 corporations, millions leverage Lovable to turn innovative ideas into tangible products swiftly. We are leading a significant transformation in software development, providing you with a unique chance to redefine the digital landscape. With over 2 million users in more than 200 countries, Lovable is already helping launch businesses, streamline operations, and bring visions to fruition. And we are just getting started.Our compact yet highly skilled team is building a transformative company from Stockholm. We cherish extreme ownership, swift execution, and collaborative spirit. We seek individuals who are passionate, quick to deliver, and eager to create an impact.What We SeekDemonstrated success in closing mid-market or enterprise SaaS transactions.Proven track record in full-cycle sales, including prospecting, discovery, demos, negotiation, and closing.Exceptional communicator capable of conveying technical and product insights into clear business advantages.Experience managing multi-stakeholder engagements across product, engineering, and leadership teams.A builder mindset—enthusiastic about shaping GTM strategies and systems in a rapidly growing organization.A strong desire to deeply understand Lovable’s product; knowledge leads your approach.Comfortable with fast-paced, evolving environments where speed and accuracy are essential.Bonus: Experience in selling AI or developer tools, or involvement in product-led growth initiatives.Your ResponsibilitiesOversee and execute end-to-end sales cycles with accuracy—from initial contact to signed agreement.Develop strategic account plans to identify growth opportunities, map stakeholders, and facilitate expansion.Lead engaging demos and discovery sessions, customizing value propositions for both technical and business audiences.Collaborate effectively with cross-functional teams to drive successful outcomes.

Role Overview hook is hiring a Backend / Fullstack Engineer in London. This role involves building server-side applications and contributing to front-end features that improve how users interact with our products. What You Will Do Develop and maintain backend systems Work on front-end components to support a seamless user experience Participate in the full software development lifecycle, from initial idea through deployment Who We’re Looking For Comfortable working with both backend and frontend technologies Interested in taking projects from concept to launch Ready to collaborate with a team in London

Join us as a Senior AI FullStack Engineer at a rapidly expanding AI FinTech company, where your expertise will help shape the future of finance.About Us:We develop and deploy AI-powered tools and intelligent agents throughout their entire lifecycle, from conception to production.Our systems are designed with AI at their core, not as an afterthought.Transform experimental concepts into production-ready features that impact real users.Take ownership of projects from problem identification to user adoption.Collaborate closely with engineering and product teams to seamlessly integrate AI into daily operations.Establish effective methodologies for implementing AI in production environments.We are on a mission to create an AI-native bank tailored for ambitious businesses.Your Contribution:Train and refine large-scale audio and multimodal models.Design and execute experiments focused on architecture, data mixtures, and training strategies.Develop and enhance audio data pipelines.Optimize inference speed, latency, and overall production readiness.Deploy models in end-to-end, low-latency settings.Create meaningful evaluation metrics that go beyond standard benchmark scores.Work collaboratively with both research and engineering teams.This role is hands-on, bridging the gap between research and real-world application.Technical Environment:PythonLarge Language Models (LLMs) and AI toolsPostgreSQL, BigQueryTypeScript, ReactAWS, GCPDocker, Terraform, GitHub(Detailed technical stack will be shared during the interview process)Your Expertise:5+ years of experience in building and deploying production systems.Full-stack or deep backend/platform engineering skills.AI-native mindset: you leverage AI in your daily work and think in terms of agents, workflows, and automation.Product-focused: your priority is user adoption over mere output.You excel at transforming complex challenges into scalable solutions.Bonus Skills:Experience in financial technology.Familiarity with cloud services and infrastructure.Contributions to open-source projects.

Founded in 2018, Causaly is at the forefront of transforming enterprise-scale scientific research through our innovative AI platform. Our technology empowers researchers to efficiently discover, visualize, and interpret biomedical knowledge, streamlining critical research workflows to tackle some of the most pressing health challenges of our time.We partner with leading biopharma companies and institutions, focusing on diverse use cases including Drug Discovery, Safety, and Competitive Intelligence. Visit our blog to learn how we enhance knowledge acquisition and decision-making: Blog - CausalyCausaly is proudly backed by renowned venture capital firms, including ICONIQ, Index Ventures, Pentech, and Marathon.

About UsAt Lightning AI, we are the pioneers behind PyTorch Lightning, established in 2019. Our mission is to create a seamless end-to-end platform that simplifies the development, training, and deployment of AI systems, effectively bridging the gap between research and production.Following our merger with Voltage Park, an innovative neocloud and AI Factory, we deliver developer-centric software integrated with cost-efficient, large-scale computing. Our solutions empower teams with essential tools for experimentation, training, and production inference while ensuring robust security, observability, and control.We cater to a diverse clientele, including independent researchers, startups, and major enterprises. With global operations and offices located in New York City, San Francisco, Seattle, and London, we are backed by prestigious investors such as Coatue, Index Ventures, Bain Capital Ventures, and Firstminute.

Join Octopus Energy, a pioneering force in the renewable energy sector, where we are redefining how energy is supplied in Britain. Our mission is to create a fully digital energy experience that empowers our customers while promoting sustainability. With a unique blend of innovative technology and a dedicated team, we have already become the largest energy supplier in the UK. As we expand, we are committed to accelerating the green energy transition through cutting-edge products and services that simplify the switch to renewable solutions such as heat pumps, solar power, and electric vehicles. At Octopus Tech, you will have the opportunity to take ownership of meaningful projects that positively impact lives—by reducing energy costs and enabling eco-friendly living. Collaborating with cross-functional teams, you will witness the immediate results of your work in the real world. As we build a lean and effective TechOps Engineering team, we seek a talented and experienced Full Stack Software Engineer to contribute to our vision. You will play a vital role in shaping the TechOps function, developing self-service technology that enhances our team's ability to leverage advanced tech solutions. TechOps represents a modernized approach to traditional IT, encompassing everything from first-line support to strategic planning. We are looking for someone who will help design and implement efficient, scalable, and robust solutions for our TechOps capabilities. If you are excited about making a difference in the renewable energy landscape, we would love to hear from you!

Join Contentsquare, a pioneering experience intelligence platform, where we empower organizations to gain deep insights into their customers' digital journeys. Our innovative and scalable platform is designed for users across various expertise levels, making it easier to navigate the complexities of online interactions.As a global leader in experience analytics, we operate from 15 offices worldwide, committed to making a significant impact in the industry. We are seeking enthusiastic team members who are ready to contribute to our growth and success.At Contentsquare, we foster an inclusive work environment where every individual can thrive. Our community is built on values of courage, empathy, and intentionality, aimed at simplifying challenges for our clients, their customers, and each other.Note: Please be cautious of scam attempts impersonating Contentsquare. We do not request money or communicate through unsolicited messages. For further details, check our careers blog.Important Information:1. This is a software engineering position requiring a minimum of 5 years of relevant experience, particularly in TypeScript. While we utilize Large Language Models (LLMs), this is not a machine learning-focused role.2. The role is available as remote (in France, Spain, Italy, Poland, or Germany) or can be hybrid in our offices located in Barcelona, Paris, Milan, Munich, or Cairo.We are on the lookout for a Senior Fullstack Engineer (Applied AI) to engage in various innovative projects that harness the power of AI, especially leveraging LLMs. One of the key initiatives involves enhancing our AI CoPilot tool (currently exclusive to Heap) to broaden its application, allowing users with no prior experience in product or digital experience analytics to easily find answers through simple inquiries.Our rapid advancement in utilizing LLMs aims to streamline insights generation and simplify setup processes, among other enhancements. As our next Senior Software Engineer (Applied AI), you will play a significant role in product development and initial product iterations, participating in user interviews to validate product hypotheses.This position offers a unique opportunity to operate within a “startup-like” environment, where we swiftly transition from concept to proof of value, ensuring that our solutions deliver real benefits to our clients.

Wise is seeking a Fullstack Engineer to focus on account setup features. This role centers on building and improving the systems that help customers create and manage their accounts smoothly. Role overview The Fullstack Engineer will work on both front-end and back-end components that support the account setup journey. Expect to collaborate closely with team members to identify pain points and deliver solutions that make onboarding easier for users. What you will do Develop and refine account setup processes to improve customer experience Work with engineers and other stakeholders to solve technical challenges Contribute to a collaborative team environment Requirements Experience working as a fullstack engineer Comfortable collaborating with others to solve problems Interest in building seamless, user-friendly account setup flows

Role Overview Legal & General is looking for a Senior Fullstack Software Engineer to help shape the future of our retirement services. This role focuses on designing and building software that supports and improves our products for customers in retirement. What You Will Do Develop and maintain software solutions across the stack to support retirement services Work closely with teams from different disciplines to deliver new features and improvements Contribute to technical decisions that raise the bar for quality and performance Focus on delivering reliable, maintainable code that enhances user experience Location This position is based in London.

Join Our Team at CapiCapi is revolutionizing the way businesses in emerging markets manage their international supplier payments—making it simple, swift, and equitable.With over $18M in support from leading investors including Creandum, Y Combinator, General Catalyst, and influential figures from Revolut, Checkout, Stripe, and Remitly, we are dedicated to establishing the robust financial infrastructure that emerging markets truly deserve.Our commitment to facilitating global trade empowers local enterprises to accelerate growth, create job opportunities, and enhance prosperity in their communities.Our mission is to uplift GDP in emerging markets by fostering a more equitable and accessible global financial system. We aim to streamline the payment processes for importers, enabling businesses to expand swiftly and act as catalysts for national prosperity.Our dynamic team of approximately 80 individuals, spread across 10 countries, embodies ambition and a results-driven mindset, striving to make a meaningful impact in the world. We are eager to welcome new talent to our team!Explore Capi's mission & values.Role OverviewAs a Senior Fullstack Engineer, you will be part of a compact, high-performing team of engineers and product leaders responsible for scaling our platform and amplifying our impact.From day one, you will collaborate closely with our founding team based in London and Paris, influencing the product vision and shaping the technical architecture of our solutions. This role is pivotal in developing technology that addresses customer challenges as we grow our offerings and enhance our footprint in emerging markets.Empathy and curiosity are essential to uncovering the root causes of problems, along with the creativity to devise solutions that harmonize impact, effort, and user satisfaction.Key ResponsibilitiesEngage in the product lifecycle from conception through to UI design, backend logic, deployment, feedback gathering, and performance measurement.Communicate effectively both internally and externally regarding new features, gathering feedback prior to implementation and articulating them upon launch.Determine and oversee delivery milestones, ensuring alignment between engineering and product priorities.

Join our dynamic team at Another Company as a Fullstack Engineer, where your skills will be pivotal in building innovative solutions. You will collaborate with cross-functional teams to design, develop, and maintain web applications.This role offers an exciting opportunity to work with cutting-edge technologies and contribute to impactful projects.

Join Our Engineering TeamAt CoreWeave, we are revolutionizing the AI landscape. Our Monolith AI Engineering Team is dedicated to constructing and enhancing the foundational platform that drives the most sophisticated engineering simulations and AI workflows. Our mission is to transform into the super-intelligent AI test lab for the engineering sector, empowering our clients to "ship science, faster." We focus on advancing distributed architecture and facilitating the next wave of agentic interfaces and physical AI, providing the reliable and scalable infrastructure that the world’s leading engineering firms depend on.Your RoleWe are seeking a talented Fullstack Engineer with a Frontend Focus. You will take charge of the Monolith platform’s product surface, which offers a data-rich, workflow-centric web interface where engineers can design experiments, compare outcomes, interact with agents, and convert intricate physical test data into actionable insights. Your collaboration with Design, Product, and Backend Engineering teams will be crucial in delivering a UI and UX that is fast, intuitive, and dependable for non-ML expert engineers. Additionally, you will contribute to our Python backend services as needed.Position OverviewThis is an IC5 Fullstack Staff Engineer role with a significant emphasis on frontend development (approximately 80–90%). We are also open to exceptional candidates for the Senior Fullstack Engineer II (IC4) level who can perform at a staff-like capacity. You will be responsible for the Monolith web application, focusing on component architecture, design system evolution, performance, and user experience for complex, data-rich workflows. You will also engage with our Python services (FastAPI/Flask) to shape and integrate APIs and implement new platform capabilities, enhancing user experiences.

Join Spotify as a Senior Fullstack Engineer and play a pivotal role in developing our innovative Data Platform. You will collaborate with cross-functional teams to design and implement robust solutions that enhance our data processing capabilities. This is an exciting opportunity to work with cutting-edge technologies in a dynamic environment.

About the RoleJoin our dynamic Collection Engineering team as a Senior Fullstack Engineer, where you will play a pivotal role in enhancing Elliptic's efforts to combat crypto crime. You will be instrumental in developing a robust platform that empowers our intelligence organization to efficiently gather and analyze critical information, making the world safer.Your team’s mission is to amplify Elliptic’s intelligence collection capabilities by processing data from diverse sources, including external feeds, internal automation, and client submissions. This intel needs to be systematically classified, stored, and reviewed before being integrated into our proprietary graph database.Collaborate with a talented group of engineers and data scientists to create innovative tools, streamline processes, and eliminate obstacles in our intelligence pipelines.Key ResponsibilitiesDesign and implement software solutions that enhance our intelligence collection and analysis capabilities, including services on Kubernetes and browser extensions.Develop applications to analyze cryptocurrency behavior and trends across both the clear and dark web.Establish observability mechanisms to identify issues within your environments and execute necessary business processes for resolution.Mentor and coach fellow engineers to foster growth and implement best practices within the team.Actively contribute to defining and refining the engineering strategy for your team.Ideal Candidate ProfileDemonstrates a strong passion for cryptocurrencies and blockchains from both technical and economic perspectives.Possesses excellent coding skills in Typescript with a proven track record of delivering effective solutions.Has successfully integrated various systems to improve operational efficiency.Enjoys collaborating within a tight-knit team to tackle impactful challenges, contributing to a safer crypto ecosystem.Promotes a collaborative culture characterized by open communication, especially when addressing issues or concerns.Able to construct well-reasoned, data-driven arguments to influence key stakeholders effectively.

Join Metaview, an innovative AI-driven company revolutionizing the recruitment landscape. Our cutting-edge AI agents empower top-tier organizations to hire faster and with greater accuracy. We take the burden off hiring teams, enhancing their capabilities for industry leaders like Brex, Affirm, Deel, ElevenLabs, and Airtable.Founded by Siadhal and Shahriar, both of whom have extensive backgrounds at Uber and Palantir, we have successfully raised over $50 million from premier investors, with Google Ventures leading our Series B funding. Our growth trajectory is remarkable, expanding at a rate of 5x year-over-year, while our customers consistently praise our product, receiving accolades in prestigious publications such as Fortune, Forbes, TechCrunch, and The Times.This is just the beginning: we invite you to join us in reshaping the future of work through AI, tackling some of the most challenging and rewarding tasks ahead.Our Work Culture:At Metaview, we adhere to a single guiding principle: velocity. This commitment translates into our daily practices:We focus on optimizing our processes to enhance the speed of learning.We strive to produce truly great work.We communicate openly and directly, ensuring full context is shared.All of this is conducted while upholding our hard-won reputation for excellence and quality.Your Role:As an AI-First Growth Manager, you will be responsible for managing our self-service funnel, overseeing Product Qualified Lead (PQL) demand from concept through to execution and iteration.This hands-on role is ideal for an individual who integrates AI into their thinking, creation, and execution processes. You will design and implement experiments across various product surfaces and paid channels, transitioning swiftly from idea to prototype to live testing within days.Collaboration with Product, Marketing, Sales, and Customer Success teams will be key as you formulate clear hypotheses, leverage AI for accelerated learning, and scale successful initiatives.Key Responsibilities:Drive self-service demand and PQLs through a combination of product-led growth strategies and paid demand generation channels (including search, paid social, and influencer marketing).Conduct rapid, high-velocity experiments to fuel growth, utilizing AI to prototype, initiate, and refine new free products and growth loops.Enhance and scale end-user growth efforts through innovative strategies and collaborative partnerships.

Are you a driven and ambitious professional eager to contribute to revolutionary projects? Join a dynamic team at a rapidly expanding startup, collaborate with industry pioneers, and significantly impact the AI-for-legal sector. Seize the opportunity to own a role in a startup that is creating solutions that people truly desire and has already gained substantial traction. This is your chance to be part of something extraordinary! About the RoleWe are seeking an intelligent and proactive individual with a software engineering background leaning towards frontend development to spearhead our product growth initiatives. You will work at the intersection of engineering, product development, and marketing, analyzing a comprehensive range of metrics such as product usage, engagement, user acquisition, and pipeline optimization.Your responsibilities will include:Product Usage Analysis: Leverage dashboards (Posthog, Grafana, Datadog, etc.) to analyze user behavior and patterns to inform our growth marketing strategies and enhance engagement with existing customers.Top-of-Funnel Optimization: Innovate and execute creative strategies to build our top-of-funnel pipeline, including embedding product features in SEO blog posts and tracking the performance of our paid advertising efforts.Usage Optimization: Create workflows to identify unengaged users and test strategies to boost engagement.Metric Strategy: Collaborate with us to define the key metrics for optimization.Revenue & Pipeline Optimization: Aid in streamlining each step of our sales pipeline, both pre- and post-sale. Who You’ll Work WithSanj (Chief Research Officer and Co-Founder): With a Master's in Physics from the University of Cambridge and a PhD in AI from UCL, Sanj has received accolades at leading AI conferences, worked with Huawei's R&D team, and gained recognition for his contributions to open-source LLM projects on GitHub. As employee #4 at Magic Carpet AI, he developed AI strategies for trading that utilized millions in capital before the company was acquired by Blockchain.com.