Velocity Tech has partnered with an exciting London-based tech company who are looking for a SeniorSoftwareEngineer to join their team. This role will require 2-3 days a week onsite in their London office. Responsibilities: Build and maintain core infrastructure: databases, APIs, backend services More ❯
Velocity Tech has partnered with an exciting London-based tech company who are looking for a SeniorSoftwareEngineer to join their team. This role will require 2-3 days a week onsite in their London office. Responsibilities: Build and maintain core infrastructure: databases, APIs, backend services More ❯
Senior Full Stack SoftwareEngineer (Voice Team - Must be UK) London, England, United Kingdom; United Kingdom PolyAI automates customer service through lifelike voice assistants that let customers lead a conversation. Our voice assistants make it possible for businesses to deliver outstanding customer service that rivals their human … platform, driving automation of critical customer service operations and integrating PolyAI into their daily customer service workflows. We're on the lookout for a Senior Full Stack SoftwareEngineer based in the United Kingdom to join our tech team and play a key role in crafting user … and configuring voice assistants, particularly Contributing to the implementation of our multi-tenant infrastructure, across multiple cloud vendors. Taking a major role in our software development, through writing code, tests, as well as contributing to design ideas, documents and performing code reviews. Preferred Qualifications: Experience with one or more More ❯
My client is a Technology Company. Their mission is to build cutting-edge software that helps first responders do their jobs more safely and effectively. Trusted by agencies across North America—and now expanding into the UK—they are entering a bold new chapter: building an AI-augmented engineering … team . They are looking for a SeniorSoftwareEngineer to help lead the design of intelligent, multi-agent systems that plan, write, review, and deploy code. This goes far beyond code autocompletion—you'll be orchestrating systems where AI is an active development collaborator. Responsibilities Build … Prototype with LLMs, internal tools, and open-source frameworks Shape how AI contributes to real-world, mission-critical codebases Your experience: 5+ years in software engineering (Java, TypeScript/React, MySQL preferred) Hands-on experience with AI dev tools (e.g., LangChain, LLM APIs, custom agents) A mindset for experimentation More ❯
My client is a Technology Company. Their mission is to build cutting-edge software that helps first responders do their jobs more safely and effectively. Trusted by agencies across North America—and now expanding into the UK—they are entering a bold new chapter: building an AI-augmented engineering … team . They are looking for a SeniorSoftwareEngineer to help lead the design of intelligent, multi-agent systems that plan, write, review, and deploy code. This goes far beyond code autocompletion—you'll be orchestrating systems where AI is an active development collaborator. Responsibilities Build … Prototype with LLMs, internal tools, and open-source frameworks Shape how AI contributes to real-world, mission-critical codebases Your experience: 5+ years in software engineering (Java, TypeScript/React, MySQL preferred) Hands-on experience with AI dev tools (e.g., LangChain, LLM APIs, custom agents) A mindset for experimentation More ❯
MongoDB's mission is to empower innovators to create, transform, and disrupt industries by unleashing the power of software and data. We enable organizations of all sizes to easily build, scale, and run modern applications by helping them modernize legacy workloads, embrace innovation, and unleash AI. Our industry-leading … it's no wonder that leading organizations, like Samsung and Toyota, trust MongoDB to build next-generation, AI-powered applications. MongoDB is seeking a SeniorSoftwareEngineer to join the Atlas Clusters Availability & Durability Team. The team is responsible for building MongoDB Atlas, our database as a … product. Atlas allows users to deploy fault-tolerant, secure, globally distributed MongoDB clusters in just minutes. The Atlas Clusters Availability & Durability team develops the software that manages the Atlas cluster infrastructure on the three major cloud providers (AWS, Azure, GCP) all the way up to the UI where customers More ❯
and products - driving advertising performance, innovation, and value in Disney's sports, news, and entertainment content, across all media platforms. Job Summary: As a SeniorSoftwareEngineer, you will focus on engineering complex user interfaces with rich interactions.You will use your deep UI engineering and creative skills … end-users. The candidate must be fluent in JavaScript and TypeScript, while also combining expertise with modern reactive JavaScript libraries, tools, and runtimes to engineer abstract, secure, reusable, and testable UI components and applications. This person should also have home-grown Design System experience, having collaborated tightly with creative … alignment and effectiveness. Required Qualifications Bachelor's degree in Computer Science or related field, with 5+ years of experience in web application development or software engineering using modern frameworks. Expertise in JavaScript, TypeScript, and a UI stack (e.g., React, Next.js/Remix.run, TailwindCSS/SCSS), with proficiency in REST More ❯
Job Description My client is a Technology Company. Their mission is to build cutting-edge software that helps first responders do their jobs more safely and effectively. Trusted by agencies across North America—and now expanding into the UK—they are entering a bold new chapter: building an AI … augmented engineering team . They are looking for a SeniorSoftwareEngineer to help lead the design of intelligent, multi-agent systems that plan, write, review, and deploy code. This goes far beyond code autocompletion—you'll be orchestrating systems where AI is an active development collaborator. … Prototype with LLMs, internal tools, and open-source frameworks Shape how AI contributes to real-world, mission-critical codebases Your experience: 5+ years in software engineering (Java, TypeScript/React, MySQL preferred) Hands-on experience with AI dev tools (e.g., LangChain, LLM APIs, custom agents) A mindset for experimentation More ❯
s how we do it. DRW is a place of high expectations, integrity, innovation and a willingness to challenge consensus. We are seeking a SeniorSoftwareEngineer to join our Unified Platform (UP) team. UP consolidates data and technologies into a comprehensive solution, accelerating time to market. … Optimizing decision-making and research, our platform simplifies implementing new ideas, enhancing our competitive edge. The UP-Trade Operations team is responsible for developing software to empower the Global Trading Operations group across a variety of specialties. This team is looking for application software developers who can help More ❯
the reliability of Disney Entertainment's big data platform, which processes hundreds of terabytes of data and billions of events daily. Job Summary: The SeniorSoftwareEngineer will help us in the ongoing mission of delivering outstanding services to our users allowing Disney Entertainment to be more … anomaly detection and alerting. Present your research and insights to all levels of the company, clearly and concisely. Build solutions to continually improve our software release and change management process using industry best practices to help DSS maintain legal compliance. Basic Qualifications: 5+ years of experience working on mission … systems. 5+ years of hands-on experience with big data technology, systems and tools such as AWS, Hadoop, Hive, and Snowflake Expertise with common Software Engineering languages such as Python, Scala, Java, SQL and a proven ability to learn new programming languages Experience with workflow orchestration tools such as More ❯
technology and strategic innovation, originally developed for the gaming, entertainment, and defence sectors. Learn more about our mission at kallikor.ai. We are seeking a SeniorSoftwareEngineer to join our friendly, relaxed and inclusive team. You'll be developing and implementing models and simulations used in our … desire to work in a collaborative and supportive environment. You'll have the chance to work alongside a multidisciplinary team of scientists, modellers, and software engineers who collaborate closely with our product owners and customers to take modelling to the next level. Responsibilities: Developing and implementing algorithms which result … engineering practices and design patterns Create efficient, maintainable code that transforms prototype models into production-ready solutions Why you're made for this: Strong software engineering fundamentals including system architecture, design patterns, and development best practices Advanced Python programming skills with experience building complex, maintainable systems Professional softwareMore ❯
and strategic innovation, originally developed for the gaming, entertainment, and defence sectors. Learn more about our mission at kallikor.ai . We are seeking a SeniorSoftwareEngineer to join our friendly, relaxed and inclusive team. You'll be developing and implementing models and simulations used in our … desire to work in a collaborative and supportive environment. You'll have the chance to work alongside a multidisciplinary team of scientists, modellers, and software engineers who collaborate closely with our product owners and customers to take modelling to the next level. Your Opportunity: Developing and implementing algorithms which … practices and design patterns Create efficient, maintainable code that transforms prototype models into production-ready solutions Why you're made for this: Essential: Strong software engineering fundamentals including system architecture, design patterns, and development best practices Advanced Python programming skills with experience building complex, maintainable systems Professional softwareMore ❯
About the Opportunity Our client, a cutting-edge startup operating at the forefront of AI and computer vision, is seeking an exceptional SeniorSoftwareEngineer to join their high-calibre, fast-moving team. This is an exciting time to get on board as the company scales rapidly … of industry veterans and startup alumni to solve meaningful challenges Contribute to shaping product direction and engineering culture What We’re Looking For Experienced engineer : You’ve built and maintained multiple systems from the ground up, and understand the trade-offs of shipping software at speed Impact-driven More ❯
About the Opportunity Our client, a cutting-edge startup operating at the forefront of AI and computer vision, is seeking an exceptional SeniorSoftwareEngineer to join their high-calibre, fast-moving team. This is an exciting time to get on board as the company scales rapidly … of industry veterans and startup alumni to solve meaningful challenges Contribute to shaping product direction and engineering culture What We’re Looking For Experienced engineer : You’ve built and maintained multiple systems from the ground up, and understand the trade-offs of shipping software at speed Impact-driven More ❯
SeniorEngineer - Java, React.js, Node.js, SQL, AWS London, UK - Hybrid (2 days a week in office) Permanent £75,000 - £90,000 Got a passion for tackling tough challenges and making a real difference? My client, a forward-thinking and impactful organisation at the forefront of developing cutting-edge … solutions to combat online fraud, is on the lookout for a sharp Senior Java Engineer to join their collaborative team. You'll be right in the thick of it, building and improving systems that genuinely help protect people. Plus, you'll get to connect with smart folks across … their current systems running smoothly and making them even better. Getting creative and building new features and products from scratch. Using Java to create software that's not just good, but rock-solid, scalable, and lightning-fast. Making different systems talk to each other through APIs. Putting your data More ❯
SeniorEngineer - Java, React.js, Node.js, SQL, AWS London, UK - Hybrid (2 days a week in office) Permanent £75,000 - £90,000 Got a passion for tackling tough challenges and making a real difference? My client, a forward-thinking and impactful organisation at the forefront of developing cutting-edge … solutions to combat online fraud, is on the lookout for a sharp Senior Java Engineer to join their collaborative team. You'll be right in the thick of it, building and improving systems that genuinely help protect people. Plus, you'll get to connect with smart folks across … their current systems running smoothly and making them even better. Getting creative and building new features and products from scratch. Using Java to create software that's not just good, but rock-solid, scalable, and lightning-fast. Making different systems talk to each other through APIs. Putting your data More ❯
time left to apply End Date: May 31, 2025 (30 days left to apply) job requisition id R27131 FactSet creates flexible, open data and software solutions for over 200,000 investment professionals worldwide, providing instant access to financial data and analytics that investors use to make crucial decisions. At … ideas can come from anyone, anywhere, at any time, and that curiosity is the key to anticipating our clients' needs and exceeding their expectations. SeniorSoftwareEngineer Our teams own a full data delivery pipeline that involves data collection and analysis, time series score generation and downstream … to receive and apply feedback effectively. This collaborative environment fosters the development of deep expertise in our products. Our focus is on creating robust software that enhances data collection and generation with consistent quality, stability, and adherence to best practices. This position will enable you to gain a mastery More ❯
At Longshot Systems we're building advanced platforms for sports betting analytics and trading. We're hiring for a SeniorSoftwareEngineer within our fundamental modelling team. The primary goal of this team is to improve the predictive power of our models based on historical event data. … tooling and systems in a way you feel would be best suited to the problem at hand. A strong knowledge of operating systems, networks, software architecture and practical experience in deploying that knowledge is essential. Knowledge of sports betting or horse racing, which this team focuses on, isn't … Monday to Friday, but we support flexible working and trust our team to manage their own schedules to meet their goals. We're targeting Senior Developers for this role, ideally with several years of experience in mission-critical systems where precision, reliability, and fault tolerance are paramount. Our interview More ❯
to see your impact and unlock incredible career growth opportunities, join us, and build real world value. THE WORK: We are looking for a SeniorSoftwareEngineer passionate about solving ambitious problems and working directly with Ripple Trading and Markets in the cross-border payments space. We … objectives. Drive engineering excellence through clean code, automated testing, operational rigor, and mentorship of junior team members. WHAT YOU'LL BRING: 5+ years of software development experience in quantitative trading, with deep expertise in Java and/or Python. Proficient in Python's data science ecosystem (Pandas, NumPy, Scikit … paced front-office environments. Experience building transactional systems with modern databases (Aurora, DynamoDB) and deploying services via Kubernetes or Nomad. Solid understanding of agile software development, automated testing, and secure, scalable architecture design. Exposure to FX and/or crypto markets; front-end experience with frameworks like React is More ❯
Senior Full Stack Engineer | React | Node | TypeScript | £95k | Hybrid London La Fosse has partnered with a leading credit card company that helps customers make smarter financial decisions. As they continue to grow, they are looking for a Senior Full Stack Engineer with a strong JavaScript background … with a quick 3-stage virtual interview. If you're interested in the position and feel you meet some of the requirements, apply now! Senior Full Stack Engineer | React | Node | TypeScript | £95k | Hybrid London More ❯
london, south east england, United Kingdom Hybrid / WFH Options
La Fosse
Senior Full Stack Engineer | React | Node | TypeScript | £95k | Hybrid London La Fosse has partnered with a leading credit card company that helps customers make smarter financial decisions. As they continue to grow, they are looking for a Senior Full Stack Engineer with a strong JavaScript background … with a quick 3-stage virtual interview. If you're interested in the position and feel you meet some of the requirements, apply now! Senior Full Stack Engineer | React | Node | TypeScript | £95k | Hybrid London More ❯
has skyrocketed as a result. Patients have to wait longer and pay more for new treatments. Our mission is to fix this; we use software to help innovative companies run faster, more reliable, and patient-friendly clinical trials. We're still a young company, but we've already had … 55m Series B round from Balderton Capital, with support from Creandum, Firstminute, Seedcamp, and Visionaries. About the role We are looking for an experienced softwareengineer to build the platform powering the next generation of clinical trials. Join a small, fast-moving team and help us scale the … office at least 3 days a week. About you We'd like to hear from you if You have 4+ years experience as a softwareengineer collaborating within a team You are product-minded: you want to understand why we are building something to figure out the best More ❯
take the next leap in building out our technology platform and product offering. In this context, we are looking for a capable and enthusiastic SoftwareEngineer to join our team. If all of this sounds exciting to you, we would love to talk (even if you don't … tick all the boxes). The Role We are looking for passionate Seniorsoftware engineers to join us in building the cutting-edge platform that empowers Data Scientists, Machine Learning Engineers and Simulation Engineers to create, train, and deploy physics-informed models at PhysicsX. You'll take ownership … our Guilds and leveraging domain knowledge from end users, you'll not only refine your craft but also help shape the future of our software engineering practices. What you will do Take part in building a platform used by Data Scientists and Simulation Engineers to build, train and deploy More ❯
digital ordering, payment, and guest engagement solutions enable brands to do more with less and make every guest feel like a regular. As a SeniorSoftwareEngineer on the Capacity Management team, you will architect, develop, scale, and monitor solutions, improvements, and services that provide the dashboards … developing long-term, proactive solutions to prevent recurrence. Document and share knowledge effectively to elevate the team's technical expertise. Champion best practices in software development, agile methodologies, and continuous improvement. What We'll Expect From You/Qualifications: 6+ years on-the-job development experience. Experience with architecting More ❯
Senior Full-Stack Developer (Node/React) London (Hybrid - 2x p/w on-site) 70-85k + Unlimited Annual Leave + Private Medical & Dental Cover + Pension Contributions Are you an experienced Full-Stack SoftwareEngineer looking for a fresh challenge? Do you want to … will support your career progression? Then look no further! MBN Solutions are supporting a very well-established, global company in the search for a Senior Full-Stack Developer (Node/React) to join their multi-disciplinary team. Within this role, you can expect to lead the technical development & maintenance More ❯
