1 to 25 of 37 Senior Software Engineer Jobs in East London

About the Role: We are seeking a highly experienced and versatile Senior Software Engineer with deep expertise across quantitative development, infrastructure engineering, and full-stack development, to join and lead a high-performance team. The ideal candidate thrives at the intersection of finance and technology, has led engineering teams, and has built and maintained robust trading systems … Collaborate with quant researchers, traders, and infrastructure teams to deliver performant solutions. Maintain and optimize trading infrastructure (low-latency systems, data pipelines, monitoring, etc.). Manage a team of software engineers, mentor junior developers, and drive best practices across the stack. Ensure high code quality through code reviews, CI/CD, test automation, and Git-based workflows. Own deployment … internal tools and external integrations. Work with data at scale (market data ingestion, real-time analytics, historical storage). Required Skills & Experience: Core Engineering: 5+ years of experience in software development, with exposure to both backend and frontend stacks. Strong programming proficiency in Python, C++, and Java (Quant/Trading grade codebases). Expertise in modern web development with More ❯

Exciting opportunity for a Senior .Net C# Software Engineer to join this global Energy company. This is an exciting time to join this world-leading Energy company as it evolves from a traditional Oil & Gas enterprise into a future-focused Energy leader. This transformation includes the establishment of a highly successful new Power Trading desk within the … to the success of this evolution, working alongside some of the industry’s top professionals and leveraging the very latest technology. Key Requirements – Essentials • 8+ years of hands-on software development experience, spanning front-end, back-end, and cloud automation/orchestration. • Strong proficiency in back-end development using C# and .NET Core 5/6. • Cloud-native development More ❯

We are seeking a highly skilled and experienced Senior Software Engineer to join our dynamic team in the financial services sector, based in Greater London, United Kingdom. This permanent full-time role offers a competitive salary ranging from £90,000 to £100,000 and provides an exciting opportunity to work on innovative projects in a fast-paced … and rewarding environment. As a Senior Software Engineer, you will be responsible for designing, developing, and maintaining robust, scalable, and secure applications. You will play a key role in architecture decisions and contribute to the full software development lifecycle, from requirements gathering and design to deployment and support. You will work closely with cross-functional teams … of cloud platforms including Azure, AWS or GCP Solid experience in building RESTful APIs and microservices Proficient in using version control systems such as Git Good understanding of secure software development practices Strong problem-solving and analytical skills Excellent communication and collaboration abilities Experience with Agile development methodologies Previous experience within the financial services sector is advantageous No sponsorship More ❯

forefront of agentic systems. What You’ll Do Design & build scalable backend services and data pipelines - written in Python and deployed with Docker & Kubernetes. Integrate with enterprise ecosystems- enterprise software systems such as SAP and Oracle ERP, GraphQL/REST APIs, SFTP feeds, and event buses (Kafka, Pulsar). Wrangle large, heterogeneous data sets —model, transform, and index multi … the stack - build lightweight front-ends when needed and pair with ML engineers on inference and evaluation pipelines. You Might Be a Great Fit if You Have strong commercial software-engineering experience, with a fluency in Python and comfortable in TypeScript/JavaScript . Have built and operated data-intensive systems (batch & streaming) in a cloud environment (AWS, GCP More ❯

Urgent! x8 Fullstack Senior Software Engineers/Tech leads Needed – UK-based – – Rapid Growth – Fully Remote 🌳 Areti Group is excited to partner with a Series funded startup poised for rapid expansion, growing by 40 heads in the next 3 months! We are urgently seeking x8 Fullstack Tech leads to join their high-performing team. This fully remote role … tech. Languages : 🌳 Ruby-on-Rails, Java, Python, C#, PHP 🌳 VueJs, Typescript/Angular/React Cloud : 🌳 Amazon Web Services (AWS) Databases : 🌳 PostgreSQL, DynamoDB Additional Tools & Frameworks : 🌳 GraphQL 🌳 REST APIs 🌳 Software Design Patterns – TDD, DDD 🌳 Agile methodologies: Scrum and Kanban Key Responsibilities : Full-Stack Development : Design, develop, and maintain complex full-stack applications across both front-end and back-end. … Cloud & Database Management : Build scalable, cloud-based solutions using AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD (Test Driven Development) and DDD (Domain Driven Design) best practices to ensure maintainable, efficient code. DevOps & CI/CD : Use DevOps processes, including virtualization , containerization , and More ❯

I’m supporting a FinTech AI Product Company who are on the hunt for an experienced Senior Software Engineer to join their FULLY REMOTE engineering team! This is a seriously tech-driven product company that puts a huge emphasis on engineering excellence , innovation , and building something that genuinely helps users . They’re solving complex problems in … the FinTech + AI space, and as a Senior Software Engineer, you’ll play a key role in shaping the product and the tech behind it. You’ll work closely with the CTO and be deeply involved in: Defining architecture and making key technical decisions Leading on project delivery and mentoring other engineers Building greenfield features that … Scala , etc - Even more for code examples! Proven ability to lead projects (and teams) in fast-paced, innovative environments Strong decision-making skills and a passion for building great software Experience in FinTech or AI is a HUGE plus The Culture: They live and breathe technology and engineering excellence Agile, innovative, and always pushing boundaries Remote-first — always have More ❯

I’m supporting a FinTech AI Product Company who are on the hunt for an experienced Senior Software Engineer to join their FULLY REMOTE engineering team! This is a seriously tech-driven product company that puts a huge emphasis on engineering excellence , innovation , and building something that genuinely helps users . They’re solving complex problems in … the FinTech + AI space, and as a Senior Software Engineer, you’ll play a key role in shaping the product and the tech behind it. You’ll work closely with the CTO and be deeply involved in: Defining architecture and making key technical decisions Leading on project delivery and mentoring other engineers Building greenfield features that … Scala , etc - Even more for code examples! Proven ability to lead projects (and teams) in fast-paced, innovative environments Strong decision-making skills and a passion for building great software Experience in FinTech or AI is a HUGE plus The Culture: They live and breathe technology and engineering excellence Agile, innovative, and always pushing boundaries Remote-first — always have More ❯

Senior Software Engineer – Python/Golang – Hedge Fund. A leading hedge fund is developing a new orchestration platform and are looking for a senior software engineer to play a key role on the build of an enterprise workflow orchestration platform. You will work with a large existing codebase which is written in Golang, to … Golang experience, who is an expert in another language, i.e. Python, Java, C# etc., who can work autonomously and make a fast impact in a dynamic environment. 10+ years software engineering experience in enterprise environments 1+ years golang experience and understanding of its unique applications Strong background in multiple other major programming languages Financial markets experience is preferred but More ❯

Job Role: Senior Software Engineer Reporting to: Lead Software Engineer Location: Head Office, White City Place, West London Contract type: Full Time, 37.5 hours per wee k About the Company ME+EM is one of the UK’s fastest-growing luxury fashion brands. As a direct-to-consumer business we operate in a truly omnichannel way … build a strong, successful business and our door is always open to new talent ready to contribute to our growth and evolution. About the Role We’re hiring a Senior Software Engineer (Full Stack) to join ME+EM’s established Digital Platforms team. Following the successful completion of our digital transformation, we’re now focused on scaling our … apps at scale. An expert understanding of modern digital commerce stacks. Experience building out and maintaining CI/CD pipelines. Experience working with multidisciplinary squads. Experience growing and mentoring Software Engineers. A solid understanding of agile software delivery and continuous improvement. A passion for delivering simple, scalable solutions (often to complex problems). An understanding and pragmatic approach More ❯

About the projects: We are building LLM evaluation and training datasets to train LLM to work on realistic software engineering problems. One of our approaches, in this project, is to build verifiable SWE tasks based on public repository histories in a synthetic approach with human-in-the-loop; while expanding the dataset coverage to different types of tasks in … terms of programming language, difficulty level, and etc. About the Role: We are looking for experienced software engineers (tech lead level) who are familiar with high-quality public GitHub repositories and can contribute to this project. You should have experience working with well-maintained, widely-used repos with 500+ stars. This role involves hands-on software engineering work … accelerating the advancement and deployment of powerful AI systems. You’ll be at the forefront of evaluating how LLMs interact with real code, influencing the future of AI-assisted software development. This is a unique opportunity to blend practical software engineering with AI research. What does day-to-day look like: Analyze and triage GitHub issues across trending More ❯

About the projects: We are building LLM evaluation and training datasets to train LLM to work on realistic software engineering problems. One of our approaches, in this project, is to build verifiable SWE tasks based on public repository histories in a synthetic approach with human-in-the-loop; while expanding the dataset coverage to different types of tasks in … terms of programming language, difficulty level, and etc. About the Role: We are looking for experienced software engineers (tech lead level) who are familiar with high-quality public GitHub repositories and can contribute to this project. You should have experience working with well-maintained, widely-used repos with 500+ stars. This role involves hands-on software engineering work … accelerating the advancement and deployment of powerful AI systems. You’ll be at the forefront of evaluating how LLMs interact with real code, influencing the future of AI-assisted software development. This is a unique opportunity to blend practical software engineering with AI research. What does day-to-day look like: Analyze and triage GitHub issues across trending More ❯

X20 Senior Software Engineers Needed – Tech Start Up – Fully Remote - GO, Golang, PHP, GraphQL, GRPC, AWS, API, Microservices, Next.JS, React - Offices based in London but all roles are fully remote 🌳🌳🌳 Areti has partnered with a rapidly growing tech-led organization who are seeking multiple Software Engineers ranging from junior to senior and looking to grow their … team by a further 20 Software Engineers this year. They are one of the most exciting START-UPS in the UK! As a Software Engineer, you will enjoy working on a variety of interesting and challenging projects and can work with various programming languages. On the other hand, if you are happy working in your niche and … the software languages you are most comfortable with then this is fine also. Culture, Fun, and self-development are words often heard in this organization so if you are a software engineer looking for a company with clear career and development opportunities then please reach out today. You will ideally have exposure to as many of these More ❯

Senior Python Software Engineer/Developer London/WFH to £110k Would you like to join a growing and profitable start-up that is viewed as a leading FinTech disruptor in a senior role that will allow you a great deal of influence and progression? As a Senior Python Software Engineer you will … performant and scalable solutions using SOLID design principles, collaborating with cross functional Agile project teams in 2 week Sprints, you'll be an advocate of best practice and ensure software is delivered to schedule. There's a host of new features and development work and you'll also help to drive the adoption of AI within the business, introducing … s a hybrid policy, with two days in the brand new London offices and flexibility to work from home three days a week. About you: You are an experienced Software Developer/Engineer with a strong knowledge of modern best practice You have strong Python backend development skills, ideally also C# coding skills You have a good knowledge More ❯

Role: Contract Senior Java Engineer Location: London (Hybrid | 3 days onsite initially) Contract Length: 6-Month Contract | Inside IR35 | £600–£700/day We’re looking for an experienced Senior Java Engineer to join our consultancy delivery team, supporting a flagship project with one of the UK’s leading digital banks . You’ll be embedded More ❯

driven tech company. You’ll lead a small, agile team building scalable backend systems with Node.js , TypeScript , and AWS —delivering real impact, fast. This role is ideal for a senior engineer who loves hands-on coding, technical leadership, and solving tough problems in a fast-moving environment. What You’ll Do: Lead end-to-end delivery of features More ❯

and better data. We’re a venture-backed startup with solid foundations and a lot of ambition — and we’re growing our team. We’re now looking for a Senior Full Stack Engineer with strong TypeScript experience to join our collaborative, curious, and kind team. You’ll work across the full stack to build products that customers actually … love — shipping fast, thinking deeply, and owning your craft. Diversity & Belonging at VST We believe building great software starts with diverse thinking, lived experiences, and inclusive culture . We’re proud to be building a team where different perspectives aren’t just welcomed — they’re essential. Whether you’ve followed a traditional path or not, we encourage people of … and fast: Intro chat (30 min) – Meet our Talent Partner Tech review – Share past work or a small take-home (your choice) Live coding/system design – With a senior engineer or our CTO Founder chat – Get to know us, and ask anything Offer Ready to Apply? There’s no such thing as a “perfect” candidate — if you More ❯

Senior Software Engineer, Contract – B2B FinTech SaaS | Go & AWS | London (Hybrid) Company: Cloud Lending Solutions for Modern Finance A fast-scaling SaaS FinTech, streamlining SME lending for banks and alternative lenders. Looking for a Senior Software Engineer on a contract basis to support a major platform upgrade and help scale our event-driven architecture. More ❯

Senior Full Stack Engineer | Hybrid | £90,000 + 15% bonus | React.js | Python | TypeScript | AWS Are you passionate about renewable energy and seeking an opportunity to make a positive impact on the environment? La Fosse has partnered with a rapidly growing renewable energy company, seeking highly motivated Senior Full Stack Engineers to join their close-knit product team … you Enhanced parental leave policies 3 quick stages! An initial chat, a technical chat, and a final interview. If you're interested, please apply below with your latest CV! Senior Full Stack Engineer | Hybrid | £90,000 + 15% bonus | React.js | Python | TypeScript | AWS More ❯

Job Title: S enior Software Developer Location: London (Hybrid) Job Type: Full-time (Permanent) Company: Tyréns UK At Tyréns UK , we believe in creating lasting impact through innovative design and engineering solutions. As a forward-thinking consultancy, were dedicated to shaping the future of infrastructure and urban development, all while prioritising sustainability, collaboration, and excellence. We're seeking a … highly driven Senior Software Developer to join our expanding IT team. Under the guidance of the IT Director, this role will be responsible for developing both internal and external applications while overseeing the management of UK business systems, all within strict operational timelines. Working closely with the IT Director and management teams, the Senior Software Engineer will continuously review and enhance applications to ensure they align with the evolving needs of the business. This position spans the full software development lifecycle, from gathering initial user requirements and design to development, testing, and ongoing maintenance. The Role & Responsibilities The Senior Software Developer will play a key role in delivering a best-in-class More ❯

Title: Software Engineer (Fullstack/Frontend leaning) Salary/Package: £80k-£90k + Equity Company Sector: Fintech (Sustainability) Tech: TypeScript, Node, React, Next, GraphQL Location: Central London (London Bridge/Bank) WFH/Hybrid: 2 days a week on site We're teaming up again! Bounce is back partnering with one of our favourite customers — the same awesome … fintech crew we placed three top-notch software engineers with in 2024. Fast-forward to 2025: they’ve kicked things off strong and are growing again We’ve known the CTO for ages — genuinely one of the good ones. They’re making waves in the fintech space, bridging the gap between financial and sustainability data. Their platform makes it More ❯

Senior LNG C#/.Net required for a 6-month initial contract. Rate Negotiable Hybrid - 3 days in the London office My client is open to candidates who have strong EOS or Endur experience Must have strong knowledge of LNG Experience Required: - LNG ETRM engineering C#/.Net SQL Azure devops Nice to have: - React More ❯

Company | Tech For Good, Social Welfare, Product Size | 200 people Role | Product Engineer Level | Senior Areas | full stack product development, web, AI ✨ Tech | TypeScript, React, Node.js, Ruby, AWS Based | London (Zone 1) Hybrid | 2 days a week in-office Offer | £95-115k + share options Hi Workonomics are partnering with a tech-for-good company who are … adoption and growth. The company have recently raised new investment to grow in to new sector verticals and international locations, and fuel further product development. They're now seeking Senior Product Engineers who: have worked on complex web systems across the full stack show pragmatism when choosing the right languages and tools for the job are product - minded - you … enjoy working in cross - functional teams (Engineering, Product, Design, Data) ✅ This will suit an engineering generalist who cares most about the problem being solved ❌ This will not suit an engineer who is wedded to specialising in one particular tech stack You’ll be joining a company that’s having a hugely positive impact on people’s lives , with a More ❯

Are you a Senior Golang Software Engineer looking for your next big move? We're partnering with an innovative fintech company that's on the lookout for a Senior Golang Software Engineer to join their growing team. This is a remote role (UK) with just one day a month in central London. As part … ll get to flex your architecture muscles with Domain-Driven Design (DDD), CQRS, and Repository Patterns, helping to shape complex business logic into elegant, production-ready solutions. The Golang Software Engineer will have: Strong Golang experience Understanding of DDD, CQRS, and Repository Patterns Familiarity with Hexagonal architecture Experience with cloud platforms like AWS Solid understanding of microservices and … API's If you're passionate about Go, love solving real-world problems with modern software design principles, and want to be part of a collaborative, forward-thinking environmentthis is your chance. Package includes pension of 8% (them), 10% bonus, 30 days holiday (plus bank holidays), private health, 35hr working week and much more. More ❯

Senior Software Engineer – AI Startup – Up to 120k Salary: £70,000 - £120,000 + meaningful equity ️ Location : London, flexible working arrangements, ideally 2/3 days in office Tech Stack : Python, Flask, FastAPI, React, TypeScript, GCP (Backend Leaning) Our y-combinator backend client are building an elite engineering team within the AI space. The platform is being … and want to solve real-world problems with the latest in AI and LLMs, this role is for you. In this role, you’ll: Build and ship high-impact software Work on AI/LLM-powered automation tools used in production ️ Help shape scalable systems and infrastructure Work collectively across teams to push the product forward Be working end … adaptable and comfortable working across their stack ✅ Understand the working dynamics of a fast paced start-up If this role sounds like it could be of interest, apply now! Senior Software Engineer – AI Startup – Up to 120k More ❯

Senior Embedded Software Engineer with strong skills in embedded linux/kernel development, Bootloader and device driver development, is required by a world-leading, high end customer centric device company to play a senior role in their new London tech hub based close to London Paddington, and join a Pan European embedded software engineering team … of around 30 people. Salary: £80-100k Base + Decent Pension, Health, and 30 Days Holiday. The Embedded Software Engineer will take the lead in developing their Linux kernel, custom Embedded Linux distribution, and bootloaders, while also having an impact on the entire physical product used by millions of customers, working as part of a cross-functional … team. The Senior Embedded Software Engineer is a hybrid role and will ideally be based in the office 2/3 days per week. However, there might be some flexibility for those with outstanding embedded Linux skills and strong kernel development to work more remotely from within the UK. As a Senior Embedded Software Engineer More ❯