14 of 14 Senior Full-Stack Engineer Jobs in the City of London

Location – London (Waterloo) Salary – £70k – £85k samuel.robinson@forsythbarnes.com Senior Full-Stack Engineer We’re looking for a Senior Full-Stack Engineer to join an established development programme building and evolving a production-critical internal … long-term, actively evolving system where performance, reliability, and maintainability are key . You’ll join a highly experienced team of senior engineers and QA specialists, working in an environment that values technical ownership, autonomy, and thoughtful engineering decisions . What you’ll be doing Designing, building ...

glass in the sink, load the dishwasher. What it takes: The Senior Software Engineer (back-end/Full-stack) position ensures the delivery of quality software solutions to meet the technical challenges the business faces. They will play a crucial role … delivering functionality in the platform, solving technical challenges, and maintaining a high level of quality. This position requires a strong technical engineer who can deliver substantial value to an engineering team. The Senior Software Engineer is a key driver of success for Onda, responsible ...

Senior Full-Stack Engineer (Backend-Leaning) – SaaS + AI Join a seed-stage SaaS startup backed by leading VCs, adopting AI to redefine their product. They’re pre-PMF, mid-pivot, and need a hands-on engineer (~80% coding … help build, define, and scale. 💰 Comp: Up to £100k + strong early stack equity package 🧑 💻 What you’ll do Full-stack engineering, backend-leaning (Next.js FE + BE, Node.js, TypeScript, legacy Python) Collaborate with product & CEO to shape the roadmap Help guide a small ...

About the Role As a Senior Engineer and Team Lead at Futuria, you'll own the delivery, quality, and culture of a core engineering team building our AI-driven platform. This is a hands-on technical leadership role where you'll split your time between writing … experimentation, and knowledge sharing Work with Head of Engineering on architecture, partner with product and design teams About You You're a strong senior engineer ready to lead a team but who still loves writing code. You have solid technical skills, opinions about quality and architecture ...

Senior Full Stack Engineer (Frontend Focus) Location: London (Hybrid) 1 day a week Salary: up to £90,000 Evantis Technology is working with a fast-growing digital marketplace platform operating in the creative/consumer space, helping them hire a Senior … high-impact features Contributing to technical discussions around architecture, scalability and product direction What they’re looking for Strong experience as a full-stack engineer with a frontend bias, particularly with modern JavaScript/TypeScript frameworks Comfortable contributing across both frontend and backend services ...

Senior Full Stack Engineer/Developer (TypeScript Elixir AWS) London/WFH to £100k Do you enjoy problem solving and working with a range of technologies including functional programming languages such as Elixir, using the right tool for the job? You could … progressing your career in a senior, hands-on Full Stack Engineer role at a successful and profitable energy trading market data scale-up. What's in it for you: Competitive salary, to £100k + Significant Equity Hybrid working (3 days London office ...

scalable back-end systems that power real-time AI-driven workflows. This role requires strong software engineering skills, a deep understanding of full-stack development, and the ability to work in a fast-paced, AI-first environment. You’ll collaborate with AI engineers, AI researchers … enterprise-grade solutions that enable seamless AI-human interactions. As Senior Fullstack Engineer you will: Design and build full-stack applications that power AI-driven workflows for enterprise users. Develop high-performance front-end interfaces for AI agent control, monitoring, and visualization. ...

Senior/Lead Full Stack TypeScript Engineer 📍 Remote/Hybrid 💰 Up to £130k + Up to 0.3% Equity We’re looking for a Senior/Lead Full Stack TypeScript Engineer with 5+ years … real product impact Work closely with experienced founders and operators Competitive salary and equity Flexible working environment If you're a strong TypeScript engineer who enjoys building in high-growth startup environments, apply directly or reach out to learn more. ...

potential path to a permanent role with equity. Role Description This is a contract role for a Senior Full-Stack Engineer. The candidate will design, develop, and deploy a platform that integrates multiple third-party APIs, normalises inconsistent data formats across jurisdictions, and presents … party APIs and handle inconsistent external data. Experience in front-end development, building functional dashboards and user-facing portals. Strong background in full-stack development, with the ability to own an entire product from infrastructure to UI. Proficiency in Node.js or Python, React, PostgreSQL, and AWS. ...

Senior Full Stack Engineer (Go/Python) - London, Hybrid Exciting opportunity to build the platform allowing AI to operate safely and at scale within the financial sector, unlocking high-level financial guidance to millions. We are looking for a Senior Full Stack Engineer with a backend focus to join our high-calibre team and help scale the mission-critical systems powering our platform. The Role You will work in a small team and own critical backend services that handle sensitive financial data. ...

Senior Full Stack Data Engineer – Decho Group (Part of Accenture) About Decho Group Decho Group is a fast-growing Tech and AI consultancy, founded to solve complex data challenges for governments and enterprises. We specialise in Palantir technologies, advanced analytics … team that thrives on curiosity, collaboration, and bold thinking, working on projects that genuinely change lives and industries. The Role We’re seeking Senior Consultant Engineers who want to apply their technical mastery in AI consultancy and Palantir engineering while shaping the future of data-driven decision-making. ...

thoughtfully rather than rewriting it, and being trusted to deliver without heavy supervision, this role will feel unusually well-matched. The role As Senior Fullstack Software Engineer, you will help design, build and maintain the production systems that power Outsmart’s platform. You’ll work closely … systems that matter. The environment We are a small, intellectually serious company. That has advantages and responsibilities. You will: Speak directly with senior decision-makers when needed Operate without perfect documentation Balance speed with long-term maintainability This role suits someone comfortable with autonomy, accountability and cross-functional ...

Benefits 9% pension contribution Stock Options Health Insurance L&D Budgets This is your chance to perform the job you love and make a difference in society whilst doing it! Help this one-of-a ...

that redefines what’s possible in fertility care. Join wawa and help transform millions of families’ lives. Who you are You are an engineer who thrives under pressure, embraces challenge, and seeks to push the boundaries of what’s possible. Long hours and high expectations don’t intimidate ...