system software developer jobs in Windsor, Berkshire

You will have a high degree of accountability and responsibility from Day 1.

You will be an integral part of the Ripple Trading and Markets Team, building scalable, resilient and performant trading systems in a constantly evolving and fast paced environment.

You will have real impact and have the opportunity to drive the architectural roadmap, whilst looking to optimize away manual inefficiencies.

Control Systems Software Engineer Introduction: This organisation designs and delivers mission-critical technology that underpins some of the UK’s most complex and regulated environments. This role sits at the heart of long-life, safety-critical systems that directly support national defence operations. Role Overview: - Location: London (hybrid working available) - Package: Competitive...

You will collaborate closely with cross-functional partners to push technology forward, even in areas where solutions are still being defined. Key Responsibilities - Monitor industry and company-wide computing technology trends to evaluate and develop new capabilities aligned with the product roadmap.

You will work on a diverse range of challenges, from model-serving APIs and data pipelines to infrastructure for intelligent agents and automation frameworks.

You will collaborate closely with the CTO and engineering team to design, build, and scale production systems that integrate AI into real-world applications.

You will define how airlines and internal teams can adopt FLX ONE Cargo incrementally—supporting coexistence with legacy systems, phased rollout, and safe operational transition—without forcing disruptive "big bang" migrations.

For our UK&I Sales Organization, we are looking for a Business Development Manager- Fire Systems.The UK&I Sales Organization works in conjunction with the product Business Units to sell products & services to a wide variety of customers. xujxxms Eaton has rapidly evolved into an intelligent power management company as our part to Energy Transition and Net Zero gathers pace. Submit your CV and...

You will be responsible for generating new business while managing and expanding existing client relationships. The role suits a confident, customer-focused sales professional with experience selling complex B2B software solutions. Key Responsibilities: - Drive new business opportunities and achieve sales targets across software and associated services

Software/SAAS Business Development Manager - £50,000+ OTE - Remote Dante provides training software to commercial training providers across the UK. We've grown our customer base from 25 to 120+ clients in four years and are expanding our sales team to support continued growth and international expansion planned for 2026. We're looking for a Business Development Executive to join our small team,...

Role: Software Developer (React) – Up to £120,000 + Bonus + Package Salary: Up to £120,000 + Bonus + Package Location: London (Hybrid Working) Skills: React as a main language (modern JavaScript / TypeScript) This firm is an elite technology company with exceptionally high standards, known for pushing boundaries and previously setting world records in the tech space. They are made up of some...

Software Developer (Web & Internal Tools) Remote-first | UK-based up to £50,000 PA Dependent on experience We’re supporting a well established UK adventure business that has recently brought its website development in-house and is now modernising internal systems and tooling. This is a hands on role in a small, trusted tech team, working across a customer facing web platform and the internal...

Leading Investment Bank - Software Developer - Finance Technology We’re hiring a Software Developer to join a Greenfield, next-generation Regulatory Technology platform within a leading global investment bank. This role sits within the Finance Technology – Regulatory Reporting organisation, focused on building and evolving a critical regulatory reporting platform used globally. While the...

C#.NET Developer – Financial Systems Developer Ref: YC46978 A leading Japanese IT company with a central London office is seeking a C#.NET Developer for its Financial Systems Team. They welcome candidates with knowledge of banking, securities, or insurance operations, and experience developing with C#.NET. Ideal candidates have led enhancements, maintenance, or improvements of existing systems....

🚀 About Webigence and Spark Travel Webigence has 25 years of experience crafting UX‑first, often highly complex software. Our engineers pair forward‑thinking agile practices with an obsession for intuitive design, shipping products that feel effortless even when the logic underneath is anything but. Alongside a handful of long‑standing third‑party clients, we’re scaling our own SaaS...

Software Engineer – PHP & Golang Fully Remote – Within UK PHP / Golang / JavaScript £60,000-£65,000 I’ve recently partnered with a leading Prop-Tech business in London who are looking to add a Software Engineer to their team who specialises in PHP & Golang! The company have seen rapid success over the past 10 years and have built an advanced platform used by their expanding portfolio of...

About Prighter Prighter is a fast-growing LegalTech company building productised services and SaaS solutions for compliance with data protection as well as AI & digital governance regulations. With the mission to enable companies around the world to comply with regulatory requirements for their digital business, our services and SaaS solutions guide our global clients through the increasingly...

🚀 Senior Python Engineer Location: London / Hybrid / Remote (UK & NL time zones) Type: Full-time Salary: Up to 85k + benefits Are you a Python engineer who loves tackling complex problems with math and analytics? 🧠💻 We’re searching for a Senior Python Engineer to help build cutting-edge software used by top global brands for forecasting, optimization, and analytics. This isn’t a data science...

Python/Golang/Rust Developer - Digital Assets arm of Global Fund - Up to £200k base + Bonus One of the leading absolute return/hedge fund managers within finance, currently managing over $40bn, is diversifying further by creating a separate division to focus on managing crypto and digital asset strategies. Meaning these guys offer the dynamism and entrepreneurial spirit of a small firm, with...

🎓 Graduate Software Developer / Quantitative Developer / Quantitative Researcher 📍 Location: London (Hybrid) 💷 Compensation: Up to £180,000 + Bonus + Benefits 🏢 Client: Prestigious Trading Firm 🚀 Kickstart Your Career in Technology & Quantitative Finance Just graduated and ready to launch your career at the intersection of technology, mathematics, and finance? Join an elite global trading...

Role: Software Developer (C++) – Up to £120,000 + Bonus + Package Salary: Up to £120,000 + Bonus + Package Location: London (Hybrid Working) Skills: C++ as a main language This firm is an elite tech firm with exceptionally high standards that has previously set world records in the technology space. They are made up of some exceptionally talented individuals who, above all, are passionate...

Role: Software Developer (Python) - Up to £140,000 + Bonus + Package Salary: Up to £140,000 + Bonus + Package Location: London (Hybrid Working) Skills: Python as a main language This firm is an elite tech firm with high standards who have previously set tech world records. They are made up of some exceptionally talented individuals who above all are passionate about using the latest and...