1 to 25 of 28 Senior Software Engineer Jobs in Berkshire

Senior Software Engineer (Python) – Reducing Carbon Emissions with Machine Learning! Python on AWS £90-£110,000 per annum plus stock London Office - 1-2 days a week Are you a Senior Software Engineer with a passion for working with curious, humble colleagues to build exceptional customer-focused products using Python? Do you align with … their principles – “Work as much as you want, where you want” - giving Software Engineers the autonomy and support to perform at their best? Do you want to be part of a period of significant growth and opportunity, shaping elegant solutions to complex challenges and guiding engineering excellence? Then this is a role you should explore... Senior Software Engineer (Python) – We are working with one of the UKs most exciting scale-ups to find them Senior Software Engineers with exceptional knowledge of building great products in Python on AWS. They use machine learning technology to help tackle climate change by reducing carbon emissions. They are at a critical period in their journey and will More ❯

Senior Software Engineer | Full-Stack | TypeScript, AWS, Node, React 📍 Hybrid (Central London – 2 days per week) | ~£90k + Benefits A leading global technology business in the travel and lifestyle space is seeking a Senior Software Engineer (TypeScript, AWS, Node, React) to join a collaborative, cross-functional engineering squad. This role goes far beyond coding … by integrating AI and automation into platform solutions Maintain high standards of performance, scalability, security, and observability (using tools like DataDog) What We’re Looking For Significant experience in software engineering, ideally in a senior capacity Expertise in JavaScript/TypeScript , Node.js , React , GraphQL , and AWS (EKS, Lambda, RDS) Strong background in building and maintaining robust APIs (REST … environment. 📩 Apply now and take the next step in your engineering career – we’d love to hear from you! 📍 Hybrid (Central London – 2 days per week) | ~£90k + Benefits 🚀 Senior Software Engineer | Full-Stack | TypeScript, AWS, Node, React More ❯

At a Glance Capsa is an AI platform that accelerates due diligence and deepens insights for Private Equity funds. We are hiring senior software engineers who are comfortable contributing across all layers of the application and developing features end to end. Details: Role : Senior Software Engineer - Full Stack Location : London, UK (Hybrid, In-Person … defense companies like QinetiQ and retail tech startups such as Standard AI. The entire team consists of early-stage startup veterans passionate about building exceptional products. The Role A senior software engineer at Capsa is expected to own projects and features from conception to production, working across the stack to deliver improvements to our AI platform. Key … vision and will have a direct impact on its success. Have the opportunity for fast career growth. Enjoy yourself! Apply if: You have 5+ years of experience as a software engineer in a venture backed startup or top tech firm. You have taken entire products or features from ideation to production and you've measured their impact. You More ❯

Job title: Senior Embedded Software Engineer Location : Maidenhead, Berkshire Salary Range: £60,000 - £80,000 The Malloy Aeronautics Team: Malloy Aeronautics Limited specializes in the development of heavy lift unmanned air vehicles (UAVs) for both civilian and military uses. Located in Berkshire, our operations are notable for their focus on in-house design and manufacturing. This vertical … we control the production of most aircraft components on-site, enhancing our ability to innovate and maintain high standards across all stages of development. About The Role: As a Senior Embedded Software Engineer, you will be reporting to the Software Engineering Manager as an embedded systems developer . Responsible for integration of hardware and software … in the UK. We seek someone looking to support in the development and verification of flight control software. You will be supporting in the delivery of engineering outputs including software requirements, software design, software implementation and software testing. Applying your knowledge and principles of engineering to assist in the implementation of aircraft control systems to a More ❯

Senior Software Engineer – Backend/API (Live Sport Broadcasting) 🗓️ Contract type: Fixed term contract to August 2026 📍 Based in Paris OR London (hybrid working) ➡️ Click: "Apply via LinkedIn" ⚽ Passionate about sports? Excited by the challenge of building scalable, real-time systems that will be seen by millions worldwide? Join us and shape the metadata backbone behind one … workflows. The goal is to build a future-proof system that can evolve with changing data needs and integrate seamlessly with frontend tools and real-time renderers. As the Senior Software Engineer – Backend/API Focus, you’ll take the lead on designing and implementing this service, from data modeling to endpoint structure and performance tuning, ensuring More ❯

Senior HPC Software Engineer Closing Date: 2nd October 2025 Location: RG7 4PR, located between Reading and Basingstoke, with free onsite parking . Due to the classified nature of the work involved, there are limited opportunities to work from home in this role. It is anticipated that the successful candidate will spend the majority of their time working … be the opportunity for you to play your part? Would you like to work on an industry leading high-performance computing platform? An opportunity is now available for a Senior HPC Software Engineer to provide computer science support, through development and deployment of software techniques and solutions. As part of this role, you will be: Providing … appropriate assistance for porting specific codes to new platforms. Designing, coding, testing, installing, and maintaining software modules. Producing suitable online documentation. Interacting with vendors, universities, and US laboratories on leading-edge research. Undertaking research level investigation of advanced novel techniques for solution of multi-physics problems. Developing relevant benchmarks for assessing current and future systems. Maintaining an awareness of More ❯

Senior Software Engineer – Rust, C++, Java or Python - London - Up to £150k base + meaningful equity Are you excited by solving technically challenging problems and building mission-critical software? We’re partnering with a well-funded, high-growth technology company at the forefront of software and AI innovation. They’re building the foundational platforms that … and impact from Day One. Work in a collaborative culture, where your ideas directly influence product design, functionality, and direction. What you’ll do: Design, build, and test core software platforms and user interfaces. Collaborate with customers and users to refine and deliver features that matter most. Interface with autonomous and robotic systems in the field. Contribute to a More ❯

Senior C# Engineer – City of London (On-site) Permanent | £90,000 – £120,000 We’re partnered with an innovative proprietary trading firm in the City of London that is hiring a Senior C# Software Engineer . You’ll work on greenfield projects, cutting-edge technology, and play a key part in shaping systems that directly More ❯

Senior Software Engineer (Rust) - London - Permanent - £150,000 to £180,000 La Fosse have partnered with a cutting-edge digital trading firm (crypto & proprietary) who are building out their nascent London office . This is a rare opportunity to join at an early stage, with the chance to shape technical direction while working on high-performance, low … building and optimizing low-latency, high-performance systems Bonus Skills: Knowledge of multithreading Familiarity with web protocols (REST, WebSocket) Experience with high-throughput systems If you’re a Rust engineer passionate about performance-critical systems and want to work on bleeding-edge trading technology , this is the opportunity to make a real impact. How to apply: Please click the More ❯

Role: Senior Software Engineer Salary/Package: £80k-£120k + Equity Options Company Sector: AI & Healthtech Experience Level: Senior (5+ years) Tech: Java, Distributed Systems, Docker, Kubernetes, SQL, CI/CD Pipelines, React Location: Central London WFH/Hybrid: 2-3 days a week on site **No Sponsorship Opportunities** Bounce have partnered with a healthtech start … up striving to transform drug discovery by empowering researchers to revolutionise their workflows with gen AI. They're at the intersection of enterprise software, AI, and real-world problems within health & life sciences. The founders are all ex-Palantir, worked together for 6 years. They know this space extremely well and have already gained a lot of traction. . … their platform. Headlines: Open to language background - building in Java and React but no experience necessary Passion for solving complex tech challenges Motivation from solving real-world problems with software and AI Strong proactive problem-solving and doer mindset Comfort with ambiguity and rapid iteration A builder’s mindset with a passion for taking ideas from concept to reality More ❯

Senior Software Engineer – Shopify/FinTech Integrations Full Stack ( Backend-leaning | TypeScript ) London/Hybrid – 1 day per week in-office Up to £90k DOE + MacBook Pro + £600 wellbeing allowance 🚫 Visa sponsorship not available Join a VC-backed, fast-growing startup that’s redefining how customers shop for luxury fashion online. Backed by top-tier More ❯

a seamless experience that emphasises simplicity, efficiency, and rapid execution. Our goal is to remove obstacles, enabling you to achieve success faster and more effectively. Role Overview As a Senior Software Engineer, you will play a pivotal role in architecting and developing our next-generation web application and API. This role requires technical leadership, hands-on development … and mentoring of junior developers. You will drive the adoption of best practices, ensuring scalability, security, and performance. If you are passionate about software development, enjoy solving complex problems, and are ready to lead innovative projects, we encourage you to apply. Join our dynamic team and contribute to building transformative solutions that make a tangible impact. This role will … Qualifications and Key Skills Education: Bachelor’s in Computer Science or related field from a Tier 1 university. Experience: Minimum of 4 years of full-time professional experience in software development, with strong expertise in TypeScript, ReactJS, and Next.JS. Solid experience in building RESTful APIs Leadership: Proven track record of leading development teams and managing large-scale projects. Database More ❯

Senior Software Developer – Low-Latency Exchange Trading Location: London (Hybrid) About the Role: We are working on behalf of a leading player in the digital asset and trading infrastructure space, currently hiring a Senior Java Software Developer to join their high-performance trading systems team. This position focuses on exchange connectivity and ultra-low latency trading More ❯

Equity options: 0.05% - 0.15% Hybrid working policy: Mandatory minimum three days a week in our Holborn office Experience level: At least six years in commercial software engineering On-call: Engineers are expected to be on-call at least one week per month If you're looking to join an exceptional, fast-paced, and growing team building innovative products in … role The Investa app was installed over 1,000 times within the first 24 hours of our priority access launch and we’re now looking for an extremely strong Senior Software Engineer to strengthen our engineering team as we scale. You will have extensive commercial experience designing, building and maintaining systems used in critical services or those … of continuous learning and improvement Ensure best practice through example and continual team feedback Root causing real-time production issues in a timely manner Taking a pragmatic approach to software development Your background Proven track record working with critical services or high-volume applications Strong proficiency in a number of programming languages, which can include Python, TypeScript, Java, JavaScript More ❯

Senior HPC Software Engineer Closing Date: 2nd October 2025 Location: RG7 4PR, located between Reading and Basingstoke, with free onsite parking . Due to the classified nature of the work involved, there are limited opportunities to work from home in this role click apply for full job details More ❯

Senior HPC Software Engineer Closing Date: 2nd October 2025 Location: RG7 4PR, located between Reading and Basingstoke, with free onsite parking . Due to the classified nature of the work involved, there are limited opportunities to work from home in this role. It is anticipated that the successful candidate will spend the majority of their time working More ❯

Senior Python Engineer – AI Champion (No Sponsorship) We're working with a fast-growing, VC-backed startup building AI-powered solutions to tackle real-world productivity challenges across the construction, manufacturing, and utilities industries. They're developing a platform that automates the creation of precision software by identifying Inefficiencies in operating models. We're looking for an … engineer who thrives in a fast-paced, high-impact environment and is excited to champion AI-assisted development across the team. What You’ll Do • Build and evolve backend services, APIs, and integrations (Python, FastAPI, gRPC, SQL) • Extend auto-generated pipelines and front-end outputs • Develop connectors for APIs, files, and external systems • Integrate LLM-based capabilities with robust … cover) • Hybrid working: 2 days per fortnight in London office • Regular team socials and offsites • On-site gym and fitness classes Ready to build the future of AI-powered software development? Apply now. More ❯

Senior Python Engineer – Data & Technology London | £120,000 – £160,000 + bonus + benefits Please note, this role requires four days on-site per week, with one day remote. Are you a Senior Python Developer who thrives on solving complex, high-impact problems and designing systems that directly influence critical business decisions? I’m working with a More ❯

Senior Full Stack Software Engineer (backend leaning) 💵 £90-£120k + equity 💻 Serverless AWS, Typescript (backend), Next.js & React 🏠 Central London | Hybrid 3 days on-site 🚀 Series A We are currently partnered with one of the fastest growing SaaS companies in Europe to help them scale their London engineering team and grow from 20 engineers to 40+. Their product … to manage their workflows, and they've found a strong product market fit with plenty of household name clients. Their engineering bar is high, they have a product-orientated software engineering team that enjoy working on complex challenges, solving problems and having big impact. They've attracted engineers from some of the best tech companies out there. About you … 5+ years of experience in software engineering, building full-stack applications Experience across the JS/Typescript stack would be ideal. The role is backend leaning but full-stack Driven by high-impact and ownership Have a product mindset and enjoys team collaboration for high performance If this sounds of interest, please do apply and we look forward to More ❯

Senior Full Stack Engineer | Up to £75k | Hybrid, London This is your chance to join a fast-growing services technology platform that connects freelance workers with customers. With an impressive number of bookings already made and rapid growth each year, they’re expanding their engineering team and want you to join! You'll be integral in solving complex More ❯

Role: Senior Java Engineer Location: London (Hybrid) We’re looking for an experienced Senior Java Engineer to join our cloud engineering consultancy. In this role you will be playing a key role in delivering high-performance backend services in a fast-moving, cloud-native environment — where releasing multiple times per day is the norm. This is More ❯

Senior Back End Engineer. Tech stack: TypeScript, React, Node Day rate: £500-650/day, outside IR35 Office: 3 days in London A rapidly scaling Tech4Good business, working closely with AI, is looking for experienced Engineers to join their Back End and product-centric team. The role involves working in a collaborative environment on meaningful Engineering challenges, which impact More ❯

Senior Python Django Developer – Cutting-Edge Series B scale up Location : London | Hybrid remote offering Salary : Up to £85,000 About the Role : We are seeking a Python Django Developer with expertise in system architecture and with a strong track record of building and scaling Django-based applications. Familiarity with running Python services on constrained environments. This is a More ❯

We are looking for a Senior/Principal Full-Stack Software Engineer to join our growing team at Clearly. This is a high-impact role where you will shape the technical foundation of our platform, influence product direction, and help us scale as a company. You’ll work closely with a cross-functional team and leadership, including … testing, and troubleshooting. Stay ahead of industry trends and bring best practice into the team. What you’ll need 5+ years of professional experience as a JavaScript/TypeScript engineer (full-stack). Experience in a leadership role is a plus. Proven experience working in an early-stage startup environment, ideally in B2B SaaS. You know how to thrive More ❯

Senior Data Engineer with 5+ years’ experience, and 2+ years in a Hedge Fund and/or in Systematic Trading Technology, sought by one of the original Quantitative Hedge Funds, with a 20+ year track-record. The firm are renowned for a healthy, supportive, and collegiate working environment and culture, with no siloes, boasting an industry-leading staff … tenure. You will join a 5-strong Data Engineering team in a Senior Individual Contributor capacity, working directly with Quant Researchers, Portfolio Managers and Traders, and designing and engineering the ingestion, storage, transformation and distribution of tick, timeseries, reference and alternative datasets. The technology stack spanson-premise and cloud infrastructure with technologies and tooling such as Python, dbt, KDB+ … enhance their strategies. They are a lean team owning end-to-end delivery from initial design through to operational support in production. Requirements 5+ years working as a Data Engineer with 2+ years in Financial Markets, especially in a Hedge Fund, Trading Firm, and/or working with Quant Trading Technology. Expertise in Python, including popular Python libraries for More ❯