Backend / Fullstack Engineer at hook | London

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 s…

Join our innovative team at Wise as a Fullstack Engineer specializing in Account Setup. In this role, you will design and implement scalable solutions that enhance user experience while ensuring the robustness of our platform. You will collaborate closely with cross-functional teams to develop new features, troubleshoot issues, and optimize existing systems.

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.

Join us in our mission to revolutionize real estate transactions through smarter, quicker, and seamless solutions. The real estate sector is the largest asset class globally, yet the legal frameworks surrounding it are often slow, manual, and underfunded. Legal professionals are tasked with sifting through lengthy documents and integrating information from various sources, all while clients demand timely and transparent due diligence. That’s where we come into play. Orbital Copilot is an AI-driven assistant tailored specifically for commercial real estate law. Crafted alongside seasoned real estate attorneys, it enhances complex due diligence processes by up to 70%, ensuring legal-grade accuracy. With our recent $60 million Series B funding, we’re poised to expand our footprint in the UK and US. Leading firms like Goodwin and BCLP trust us to streamline their workflows, allowing legal teams to concentrate on their core strengths: exercising sharp legal judgment, delivering exceptional client service, and expediting deal closures. At Orbital, you will be part of a visionary team dedicated to reshaping how real estate transactions are conducted - embracing speed, collaboration, and providing you with the autonomy to make a significant impact from day one.Position Overview We are eager to connect with senior fullstack engineers with a strong focus on frontend development, as we have launched the industry's first legal AI Agent and are experiencing remarkable growth in both revenue and user engagement over the past 18 months. Orbital Copilot is a groundbreaking product that brings much-needed automation to real estate transactions, both domestically and internationally, aiming to transform property dealings. We are enhancing an already successful product that aids real estate professionals in extracting vital information and generating reports from legal documents. Additionally, we are evolving this product to provide even greater value to our users.With the arrival of numerous Large Language Models (LLMs), such as OpenAI’s GPT-5 and o3, we are at the forefront of integrating cutting-edge models into our processes. This is a fantastic opportunity for someone passionate about leveraging these innovations for production use cases.You will be responsible for the complete design and development of essential features within our web application, alongside the foundational services that support it. Joining our agile and dynamic team means you will prioritize quality, usability, and impact throughout every phase of the development lifecycle, from discovery and design to implementation and deployment.

Join Wayve as a Staff Fullstack Engineer and lead the charge in enhancing our onboard experience. In this dynamic role, you will leverage your expertise in both front-end and back-end development to create seamless experiences for our users. Collaborate with cross-functional teams to design, develop, and implement innovative solutions that will set the standard for customer onboarding.

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.

At OakNorth, we're dedicated to empowering the UK's most ambitious businesses. Since our establishment in 2015, we have successfully lent over $21 billion across the UK and US, contributed to the creation of more than 58,000 new homes, and generated 36,000 new jobs, all while supporting hundreds of thousands of personal savers and invigorating the UK economy.Team Mission The Core Banking team is responsible for the foundational systems that drive our financial products, ensuring the integrity of our data and processes.As a Senior Fullstack Engineer, you will oversee the financial accounts domain, focusing on the design, development, and lifecycle of financial products that are compliant, scalable, and seamlessly integrated with our ledger and third-party systems.Your role will involve managing our ledger (Thought Machine Vault Core), ensuring its integration, data integrity, and facilitating technical migrations while collaborating closely with the Thought Machine team.You will be tasked with building resilient, event-driven systems that maintain data consistency and traceability across our internal platforms and external services.Additionally, you will support financial and regulatory reporting, including reconciliations and compliance obligations such as FSCS, providing the necessary systems and data models that ensure auditability, accuracy, and trust, from customer balances to external reports.

Join Wayve as a Senior Fullstack Engineer specializing in 3D Rendering. We are seeking an innovative and detail-oriented engineer to enhance our cutting-edge technology and contribute to the development of our autonomous driving systems. You will play a pivotal role in creating and optimizing our rendering capabilities, working closely with cross-functional teams to deliver exceptional results.

Join OakNorth, where we are dedicated to empowering the UK’s most ambitious businesses. Since our inception in 2015, we have successfully lent over $18 billion across the UK and US, contributing to the creation of more than 58,000 new homes and 36,000 new jobs, while supporting hundreds of thousands of personal savers, all driving growth in the UK economy.Our lending operations serve as the backbone of our growth strategy, further enhanced by our expanding services in Business Banking and Personal Savings. We are looking for a Senior Fullstack Engineer to lead our digital lending initiatives and quantitative modelling efforts.

Join our dynamic team at minderacraft as a Staff Full-Stack Engineer. In this pivotal role, you will take charge of both backend and frontend development, crafting high-quality, scalable solutions while establishing engineering standards for the team. This position offers a unique blend of hands-on development and technical leadership, where you will mentor fellow engineers and collaborate closely with our product and platform teams.Your expertise will be crucial as you work with cutting-edge backend services developed in Kotlin, alongside rich frontend applications built with React and Next.js, utilizing TypeScript. Additionally, you will engage with cloud-native infrastructure on either Azure or AWS.This position is offered as an initial 6-month contract (outside IR35) with a requirement to be onsite in London Paddington three days a week.

Join our innovative team at getscope as a Senior Software Engineer. In this pivotal role, you will design, develop, and implement cutting-edge software solutions that will drive our projects forward. Collaborate with cross-functional teams to translate business needs into technical requirements while ensuring high quality and performance of applications.

Join Runna as a Senior Software Engineer II, where you'll play a pivotal role in enhancing our software solutions. You will collaborate with cross-functional teams to design, develop, and implement robust applications that meet our customers' needs. Your expertise will help us push the boundaries of technology, ensuring our products remain at the forefront of the industry.

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.

About the PositionWe are seeking a highly skilled and motivated Senior Software Engineer - Generalist to join our innovative team at Anza. This role is pivotal in enhancing our Agave client and the overarching Solana network, focusing on performance, reliability, and security.About UsAnza is a cutting-edge R&D lab focused on the Solana blockchain, dedicated to revolutionizing blockchain performance and scalability. With a team of seasoned executives and core engineers, we tackle the most pressing challenges in the Web3 space. We believe in the power of collaboration and transparency, building robust protocols that can support the crypto ecosystem's growth and security.Your ResponsibilitiesDevelop and optimize our technical infrastructure, particularly the Agave client within the Solana ecosystem.Design and implement testing frameworks to simulate adversarial attacks and proactively identify vulnerabilities.Analyze performance metrics to pinpoint and resolve bottlenecks.Collaborate with subject matter experts to understand and define performance requirements for code components.Benchmark new solutions to enhance system reliability and performance.Work alongside cross-functional teams to architect solutions focused on scalability, security, and optimal performance.Contribute to all stages of the software development lifecycle, ensuring seamless transitions through development, staging, and production.Document architecture and processes to promote standardization and knowledge sharing across teams.

Join a Revolutionary CompanyAt Palantir, we are redefining the landscape of software designed for data-driven decision-making and operational efficiency. Our innovative platforms enable partners to make significant advancements—from developing life-saving pharmaceutical solutions to predicting supply chain challenges and reuniting families with missing children.Position OverviewThe Substrate team at Palantir is at the forefront of our core production infrastructure, managing hundreds of Kubernetes (K8s) clusters across diverse environments including on-premises setups and leading cloud services. As a Senior Software Engineer within Substrate, you will spearhead the design and development of our managed Kubernetes offerings, ensuring they operate seamlessly across all scenarios.In this role, you and your team will lead the deployment and management of our K8s clusters, achieving complete automation with zero manual intervention through the creation of cutting-edge tooling and contributions to core Cloud Native Computing Foundation (CNCF) components. You will play a vital role in maintaining scalability, stability, and security across a varied landscape of compliance standards and hosting infrastructures. Our team culture is anchored in engineering excellence and operational rigor, prioritizing proactive issue resolution and significant investments in automation and self-healing technologies.If you are passionate about large-scale infrastructure and Kubernetes, this opportunity is tailored for you.

Join our innovative team at AECOM as a Senior Software Engineer, where you will play a critical role in designing and developing cutting-edge software solutions. You will collaborate with cross-functional teams to bring complex projects to fruition, ensuring high quality and performance standards are met.

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

Join Multiverse as a Senior Software Engineer specializing in Platform Engineering. In this pivotal role, you will leverage your expertise to design, build, and enhance our platform, ensuring it meets the highest standards of performance and reliability. Collaborate with cross-functional teams to deliver robust solutions that drive the success of our innovative programs.

Join our dynamic team as a Senior Software Engineer at Faculty, where innovation meets technology. In this pivotal role, you will be responsible for designing, developing, and maintaining cutting-edge software solutions that drive our projects forward. We're looking for a passionate engineer who thrives in a collaborative environment and is eager to tackle complex challenges.Your expertise will guide our team in implementing best practices in software development, ensuring high-quality code and optimal performance. You will work closely with cross-functional teams to deliver impactful products that enhance our customers’ experiences.

Role overview Entain seeks a Senior Software Engineer based in London. The position centers on designing, building, and refining high-performance applications that drive key business objectives. Collaboration is a core part of this role, with regular interaction across multiple disciplines to deliver dependable software solutions. What you will do Develop and improve software applications, focusing on performance and scalability Work with cross-functional teams to bring features from initial idea through to deployment Offer technical insight that helps guide Entain’s technology strategy