51 to 75 of 113 Senior Software Engineer Jobs in Slough

Role: Senior Backend Software Engineer - Golang Location: London Salary: £90-120k Copello is currently partnering with a global laser communications business. With technology acquired from Google, they are redefining how data moves across land, sea, air, space, and beyond. As a Backend Software Engineer … on a powerful network orchestration platform designed for highly dynamic, global-scale connectivity systems. Your expertise in Golang will help shape a next-generation software stack that enables seamless communication across satellites, aircraft, and other high-mobility platforms. What You’ll Do Design and develop highly scalable backend systems … to support real-time, distributed networking Build and optimize software for cloud, on-prem, and hybrid deployments Work with Kubernetes, Docker, and cloud technologies (AWS, GCP, or Azure) Implement and optimize algorithms for network routing, resource allocation, and system orchestration Collaborate with cross-functional teams of engineers, researchers, and More ❯

Senior Software Developer UK Remote £80,000 - £95,000 + Insurance + Pension An excellent opportunity awaits an experienced software developer with strong .NET and React skills to join a leading software company in a role offering strong technical variety, ongoing development opportunities, and involvement in … genuinely interesting projects. This company builds innovative software and data management systems that support critical decision-making in sectors such as environmental monitoring, infrastructure, and energy. In this role you'll join as a senior member of the development team, taking a hands-on role in the full … or interest in scientific, environmental, or infrastructure-related domains is a bonus. This is an excellent opportunity to join a collaborative and tech-focused software team in a senior position offering a mix of engineering depth, meaningful projects, and long-term growth. The Role: *Full-stack development using More ❯

Senior Software Engineer – AI Innovation Lab £125,000 + Strong bonus, and benefits package. London, hybrid working. We’re partnering exclusively with a leading global InsurTech Scaleup business as they continue to build out a newly established Innovation lab, a dedicated team focused on applying AI and … machine learning to solve valuable business problems across the organisation. This is a hands-on Software Engineering role, part of a growing team, where you’ll work closely with stakeholders across the business to reimagine Insurance and InsurTech systems using modern tools and cloud-native architecture. You’ll be More ❯

Senior Software Engineer – Java - FinTech Remote First | London (UK) | Up to £120k + Benefits Are you a Java developer who thrives in a collaborative, test-driven environment? Do you believe in pair programming, continuous integration, and clean, maintainable code? If so, we’d love to hear from More ❯

Senior Software Engineer (Seniors & Staff level): 6+ years of experience 💵 Senior: £90k - £115k/Staff £120-£30k + equity 💻 Serverless AWS, Typescript (for backend), Next.js & React 🏠 Central London | Hybrid 3 days on-site 🚀 Series A in 2024 We are partnered with one of the fastest-growing … have a huge impact as well as learning from some amazing Tech Leads and Staff Engineers. About you: 6 + years of experience in software engineering, building full-stack applications Experience with Typescript/JavaScript. Ideally with NodeJS/Typescript on the backend but if you have frontend experience More ❯

as Lua London and Ladies Who Code and speak at events like Digital Shoreditch and LNUG. The Role We’re looking for a Permanent Senior Software Engineer to join our digital product delivery function. Red Badger builds high-quality digital products using a lean delivery process and … will lead by example; getting your hands dirty in the code, inspiring your peers & educating our clients. You are passionate about the craft of software development and contribute to technical and non-technical discussions that help shape the direction of digital product delivery. You are able to work independently … as well as collaboratively, on user stories within an agile delivery environment and are versed in modern software delivery practices. You care about creating quality software that meets the needs of our client’s vision and goals, in a thoughtfully pragmatic way. As well as contributing to production More ❯

Y Combinator, the most successful startup program in the world which produced companies such as AirBnb, Dropbox, and Ginkgo Bioworks. The Role As a Senior Software Engineer focused on full-stack product development, you'll build the critical interfaces and systems that enable scientists to work with … our cell manufacturing platform. You'll create intuitive, reliable software that abstracts away complexity while giving users powerful tools to customise and monitor cell growth protocols. Any experience with distributed systems will translate well to our environment, where you'll find familiar concepts like asynchronous communication and managing state … be developed, ultimately helping patients worldwide. What you'll do Work directly with customers to translate their scientific workflows into reliable, flexible and simple software solutions Own and deliver end-to-end product functionality spanning experiment scheduling, automated image analysis, and remote operation of our devices Develop and improve 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 Senior Software Engineer 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 ❯

About the Opportunity Our client, a cutting-edge startup operating at the forefront of AI and computer vision, is seeking an exceptional Senior Software Engineer 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 ❯

Senior Engineer - 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 ❯

systems (UAS) into shared airspace, we’ve paved the way for the future of advanced air mobility (AAM). About the Role As a Senior Software Engineer at Altitude Angel, you will play a pivotal role in shaping the future of aviation technology. You will design and … solve complex challenges, collaborate with a talented team, and play a hands-on role in delivering tomorrow’s skies. What You will Do Design, engineer and test high-quality, highly-scalable solutions to complex problems Effectively communicate status, progress and risk for all deliverables undertaken You will support the 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 ❯

We’re partnered with a globally recognised team behind a widely used open-source platform. They’re looking for a Senior Software Engineer with strong Ruby experience to lead on new feature development, performance improvements, and robust testing — all within a fully remote environment. You’ll be 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 Software Engineer 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 ❯

Senior Fullstack Engineer | React, Node.js, Next.js, API | Tech for Good This is the chance to work for a unique organisation! Our client is a not-for-profit that reviews/certifies companies, governments and financial institutions for their environmental impact and awareness. They are the main global authority … the UK with an office in central London and has 700 staff globally (100 circa in the UK). My client is looking for Senior Full Stack Engineers who will play a key role in the ongoing development and innovation of their newly created platform. This role is fully … the world Paid sabbaticals Generous maternity & paternity benefits This is an urgent role and will go fast. If you are interested, please apply quickly!!! Senior Fullstack Engineer | React, Node.js, Next.js, API | Tech for Good More ❯

to join us in person once a month for team meetings in either Edinburgh or London. How you will make a difference: As the Senior Software Engineer , you will play a key role as part of an agile team building innovative products that make life better for … continuous feedback Advance the values of the organisation (caring, accountability, integrity, empowerment, passion, fun) What will make you stand out: Extensive experience in professional software development, with a strong track record of building and delivering high-quality applications Expert proficiency with JavaScript (NextJS, TypeScript, and SST) Strong experience with More ❯

Senior Full Stack Engineer | Remote | React | Node | TypeScript | £95k + Equity La Fosse has partnered with a creator enablement platform that helps some of the world's most famous and talented creators maximise their commercial potential. As they move towards securing Series B funding, they are seeking Senior … with a quick 3-stage virtual interview. If you're interested in the position and feel you fit some of the requirements, apply now! Senior Full Stack Engineer | Remote | React | Node | TypeScript | £95k + Equity More ❯

Senior Full Stack Engineer - Ruby on Rails/React Remote-first (must be UK-based) £70,000 - £80,000 About the Role A fast-growing sports tech company is looking for a Senior Full Stack Engineer with strong Ruby on Rails experience and solid React skills More ❯

Senior Fullstack Engineer £90,000 - £120,000 London or Paris - hybrid Tech stack: Typescript, React, NextJS, NodeJS, Express, PostgreSQL SR2 are very excited to be working closely with Capi Money to grow their engineering team. Now they are on a hypergrowth journey, looking for great engineers who care More ❯

C++ Software Engineers (All Levels) – Edinburgh Hybrid (2 Days On-Site) We’re at a pivotal stage in building the first of two new R&D teams for a cutting-edge medical technology company based in Edinburgh. This is a rare opportunity to join a greenfield project, with up … to 22 hires planned across Principal , Senior , and Mid-Level Software Engineer roles. The product is a next-generation, globally distributed medical device, backed by a major parent organisation that ensures long-term stability and investment. The company offers a positive work-life balance, with standard working More ❯

solutions. Taking unstructured and antiquated approaches to build a bespoke suite of technology that advances energy trading capabilities. Role We’re looking for a Senior Full Stack Software Engineer to take a leading role in delivering impactful solutions to some of the industry's most complex challenges. More ❯

About the Role Keysight is looking to hire a senior security software engineer to develop automated program analysis and fuzz testing capabilities for our security assessment products. The successful candidate will be key in designing and implementing novel and scalable tools for automated software composition analysis … a sense of belonging, they can be more creative, innovative, and thrive at all points in their careers. Responsibilities: Designing solutions to enable automated software composition analysis and identification of vulnerabilities Developing and maintaining software composition analysis tools Performing research in embedded device firmware security and compose articles More ❯

Senior Full Stack Developer | Remote | > £65,000 Sponsorship is not currently provided for this role. Are you a confident Mid Level Developer looking for a step up into a Senior Role or an established Senior Full Stack Developer looking to join an innovative business on their path … team? We are working with a remote business with a family feel who have created award winning technology to date. Keen to bring a Senior Developer on board to drive the business in their next stage of product growth, and be a pivotal part of their tech team. Essential … be a great role for you. Drop me your CV and contact number to beya@sr2rec.co.uk to discuss further, or a call on 07378548899. Senior Full Stack Developer | Remote More ❯

We're hiring a Senior Backend Engineer! 📍 London | Full-time | AI + Creativity |Hybrid 3 days onsite |Competitive salary We’re an AI-first company helping creators and brands bring their ideas to life through powerful photo and video tools. Think cool tech, smart automation, and apps that … are fun and functional. Now, we’re looking for a Senior Backend Engineer to join our awesome team. What you’ll be doing: Building reliable backend services and APIs Creating data pipelines and smart automations Helping build internal tools like dashboards and campaign systems Working with other teams More ❯

Role : Senior Full Stack Engineer (FE or BE focussed) Salary range : 90-140k (+equity) Location : x3 days pw onsite in Central London (Mon/Wed/Fri) Tech stack includes : React, Typescript, Tailwind, Python & Postgres. Current team size: x6 engineers Senior Full Stack Engineer required … creating e-learning tools using AI. 2.5 year runway, grew 11x last year, using gamification to help learning! Whilst it's titled as a Senior role, they're looking for very experienced engineers who've been technical co founders/founding engineers that have built and scaled businesses. Essentials More ❯