26 to 50 of 54 Senior Full-Stack Software Engineer Jobs

Senior Full Stack Software Engineer

Location
Greater London, England, United Kingdom
Senior Full Stack Software Engineer Location: London (hybrid - 3 days per week in our Shoreditch office) Closing date: 25/09/26 Our company Every ride on a Beryl bike, e-bike or e-scooter is a journey that … didn't happen in a car. In 2025 that added up to more than 3.5 million journeys. The software you'd work on is what makes that possible: it shows a rider the nearest available vehicle and unlocks it in seconds, streams location and telemetry back from thousands ...

Senior Software Engineer | Full-Stack

Location
Greater London, England, United Kingdom
delivering real-time Language AI to over 300 million users and 200,000+ businesses globally. We are shifting gears. We are moving from "Software-First" to "Product-First." We don't hire engineers to just close tickets or optimize algorithms in isolation. We hire Missionaries—builders who obsess … over the Why before the How. As a Senior Engineer at DeepL, you will operate with the agency of a founder. You will join a high-performance engineering culture that values shipping speed, system reliability, and direct business impact over theoretical perfection, whether you are building ...

Senior Full Stack Software Engineer

Location
Glasgow, Scotland, United Kingdom
ship has physical consequences in the lab, and you can watch your work turn digital intent into synthesised molecules. If building full-stack software on a real-world robotic platform sounds like the right shape of job for you, we’d love to welcome … team. Key Responsibilities Design, build, and ship full-stack features across backend services and web front-ends, owning them from spec to production. Build and harden the systems that translate experiment definitions into reliable, observable robotic execution. Work closely with firmware, hardware, manufacturing, and chemistry teams ...

Senior Full-Stack Software Engineer, (Forward Deployed), GPS

Hiring Organisation
Scale AI
Location
London, UK
Employment Type
Full-time
Stack Software Engineer (Forward Deployed), you'll collaborate directly with public sector counterparts to quickly build full-stack, AI applications, to solve their most pressing challenges and achieve meaningful impact for citizens. At Scale, we're not just building … public sector clients to scope, collect feedback and implement solutions for complex problems. Architect production-grade applications that integrate AI models with full-stack frameworks, managing everything from interactive UIs to backend APIs and systems. Deploy and manage infrastructure within cloud environments, ensuring the highest levels ...

Senior Full Stack Software Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
Title Senior Full Stack Software Engineer The Role Vanguard, one of the world's largest investment management companies, serves individual investors, institutions, employer-sponsored retirement plans, and financial professionals. We have a diverse and talented crew with a culture that … along with an unwavering focus on serving our clients' best interests. We are seeking a highly experienced Senior Full Stack Engineer to contribute to the design, development and optimisation of front office applications within the GIFS team. This role works closely with ...

Senior Software Engineer (Full Stack)

Location
Belfast City District, Northern Ireland, United Kingdom
Platform based on the latest technology and architecture. You will be working alongside AWS and learning from the best. As a Senior Engineer you will be responsible for demonstrating excellent technical competencies with a desire to improve and mentor junior members of the team. You will … take responsibility for your assigned work by taking ownership of the design, development testing and deployment of software across the team, and work closely with the Principal Engineer, Architects and Leads to ensure the successful deployment into production environments. The Fusion Platform Team builds, owns ...

Senior Software Engineer (Full Stack) JBLE1 NI

Hiring Organisation
TP ICAP Group Services Ltd
Location
Belfast, UK
Platform based on the latest technology and architecture. You will be working alongside AWS and learning from the best. As a Senior Engineer you will be responsible for demonstrating excellent technical competencies with a desire to improve and mentor junior members of the team. You will … take responsibility for your assigned work by taking ownership of the design, development testing and deployment of software across the team, and work closely with the Principal Engineer, Architects and Leads to ensure the successful deployment into production environments. The Fusion Platform Team builds, owns ...

Senior Full Stack Software Engineer – Python, Go, Typescript

Location
Cambridgeshire and Peterborough, England, United Kingdom
Global software and engineering technology company is looking to expand its software engineering team in Cambridge. You will be working on a range of new development projects for a significant public facing web/cloud platform that is used extensively across the globe by the engineering … stack Software Engineer or in a similar development role; at least 4+ years of experience in Full-stack web application development Having concrete experience in UI development with TypeScript & React Having concrete experience in Backend Development with Python ...

Senior Full Stack Software Engineer

Location
Greater London, England, United Kingdom
Role Vanguard, one of the world's largest investment management companies, serves individual investors, Job Title Senior Full Stack Software Engineer The Role Vanguard, one of the world's largest investment management companies, serves individual investors, institutions, employer-sponsored retirement … along with an unwavering focus on serving our clients' best interests. We are seeking a highly experienced Senior Full Stack Engineer to contribute to the design, development and optimisation of front office applications within the GIFS team. This role works closely with ...

Fullstack Senior Software Engineer

Hiring Organisation
Hackajob Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
JPMorganChase to hire for this role. JOB DESCRIPTION Push the limits of what's possible with us as an experienced member of our Software Engineering team. As an Experienced Software Engineer at JPMorganChase within the Global Technology team, you serve as member ...

Senior Fullstack Software Engineer

Location
Greater London, England, United Kingdom
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. … 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 ...

Senior Full Stack Software Engineer

Hiring Organisation
Faculty
Location
London, UK
Employment Type
Full-time
proud to set the gold-standard for marrying technical excellence with safe deployment. About the roleAs a Senior Full Stack Software Engineer, you will be a technical anchor within our Professional & Financial Services team, leading the development of sophisticated platforms … like Docker, Kubernetes, or Terraform, to ensure reliable software delivery. You are an expert problem-solver who can debug complex, full-stack issues and maintain high standards for testing using frameworks like Jest or Cypress. You thrive on autonomy and ownership, with the entrepreneurial ...

Senior Full Stack Software Engineer

Location
United Kingdom
companies in the world better. Wrapped in an experience that must be easy to use. As a Senior Full Stack Software Engineer and key member of the Neutreeno team, you’ll be shipping great software, bringing strong engineering … remote arrangements may be considered for outstanding international candidates, provided there is sufficient overlap with UK working hours. The Work You'll Do Software Development Build responsive, modular UIs in React and TypeScript that make complex emissions data feel simple and intuitive. Develop and maintain backend services ...

Senior Full Stack Software Engineer September 4, 2026

Location
Glasgow, Scotland, United Kingdom
continually expanding database of chemical programs, we are accelerating chemical discovery to improve quality of life and extend the reach of humanity. Our software engineering team builds the platform that plans, executes, monitors, and learns from every chemical campaign we run. … growing fast and building the next generation for industrial scale. The Role We’re looking for a Senior Full Stack Software Engineer to build and evolve the next generation of our automated chemistry platform. You’ll work in a tight ...

Senior Software Engineer, Full-Stack

Location
Greater London, England, United Kingdom
automatically select optimal forecasting algorithms and improve accuracy by over 30%. You’ll work on sophisticated Ruby on Rails and React software that turns diverse financial data into clear analysis, giving customers sharp insight and forecasting through intuitive dashboards. This is a critical platform moving over … call pager rotation What You'll Bring: 4-8 years of professional software development experience, ideally including full-stack work with a backend lean Strong SQL fundamentals; hands-on experience with PostgreSQL ideal Comfortable working within large, sophisticated, existing codebases and making changes safely ...

Senior Software Engineer - Full Stack (Merchants)

Location
Greater London, England, United Kingdom
requirements, growth opportunities, and operational challenges. This open role is based in our tech hubs in London. What You'll Do As a Senior Fullstack Engineer , you'll own complex product and technical problems across the merchant experience, from problem definition through design, implementation, production … maintainability, and quality. Work comfortably outside your primary area of expertise when needed to solve problems end-to-end. How We Work Ownership: Senior engineers take responsibility not only for implementation, but also for understanding the problem, shaping the solution, and ensuring it works successfully in production. Collaboration ...

Senior Full Stack Software Engineer

Hiring Organisation
Hackajob Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
hackajob is partnering directly with Vanguard to hire for this role. Job Title Senior Full Stack Software Engineer The Role Vanguard, one of the world's largest investment management companies, serves individual investors, institutions, employer-sponsored retirement plans, and financial ...

Senior Software Engineer, Full-Stack

Location
Greater London, England, United Kingdom
raised $60M in Series C funding from Wellington Management, CRV, Next47 and Y Combinator. The role We're looking for an outstanding experienced engineer to push our platform to the next level of performance and reliability. You'll join us at a crucial stage of accelerated development … others contribute their best. You'll always lend a helping hand when needed and level up those around you Experience requirements Strong full-stack engineering experience, with production-grade work across both backend and frontend Deep fluency in at least one high-level language ...

Fullstack Senior Software Engineer (TypeScript, C#, AWS) 12 mnth Maternity Cover

Location
Greater London, England, United Kingdom
Maternity Leave Cover - Fixed Term Employee for 12 months Logistics: Hybrid - 2 days per week in our London HQ Alto Software Group is a B2B SaaS company that powers more than half of all UK housing transactions each year. We create software solutions that connect businesses … knowing when each is the right tool and keeping the whole system coherent as our product grows. If you are passionate about how software should be built and want to be in the room where those decisions get made, there’s never been a better time to join ...

Senior Software Engineer | Voice | Full-Stack

Location
Greater London, England, United Kingdom
Meet DeepL DeepL is a global AI product and research company focused on building secure, intelligent solutions to complex business problems. Over 200,000 business customers and millions of individuals across 228 global markets today ...

Senior Software Engineer | Enterprise | Full-Stack

Location
Greater London, England, United Kingdom
Meet DeepL DeepL is a global AI product and research company focused on building secure, intelligent solutions to complex business problems. Over 200,000 business customers and millions of individuals across 228 global markets today ...

Senior Software Engineer: AI/ML, Full-Stack, Equity, Hybrid

Location
Greater London, England, United Kingdom
Iterum Trading Limited is seeking a Mid‐Level to Senior Full Stack Developer in London to help build Iterum IQ, focusing on AI/ML‐driven features. You’ll work closely with the Head of Product and a Fractional CTO, shaping architecture and mentoring ...

Senior Software Engineer - API Enterprise - Full-Stack

Location
Greater London, England, United Kingdom
stakeholder teams to make DeepL's API the obvious and safe choice for global enterprises. We are shifting gears. We are moving from "Software-First" to "Product-First." We don't hire engineers to just close tickets or optimize algorithms in isolation. We hire Missionaries—builders who obsess ...

Senior Software Engineer - Full Stack

Hiring Organisation
Visa
Location
Foster City, California, United States
Employment Type
Permanent
Salary
USD Annual
world. Join Visa and do work that matters - to you, to your community, and to the world. Progress starts with you. Job Description Software Development Engineers are expert problem-solvers and builders who design, implement, and improve software applications and systems. In this role, engineers spend … multiple features. Respond to support requests during on-call rotations, troubleshooting issues and deploying fixes under guidance. Leverage and build knowledge of software developer tools to create, debug, and maintain code for components. Remain current in skills by investing time in training resources to improve product availability, reliability ...

Senior Software Engineer | Identity and Access Management | Full-Stack

Location
Greater London, England, United Kingdom
reliability and performance sit at the heart of everything the team does. We are shifting gears from "Software-First" to "Product-First." We don't hire engineers to simply maintain legacy endpoints or close Jira tickets. We hire Missionaries — builders who obsess over the Why before the How. ...