software design engineer jobs in Windsor

I'm partnered with an early-stage, post-revenue AI startup is building an end-to-end operating system to help businesses detect and resolve complex B2B issues before they become costly or disruptive. The product is already being used by large enterprises across multiple industries, and demand is growing fast - hence this hire! Backed by a top-tier European venture fund, the company is tackling a...

Senior Software Engineer Full Stack - Ruby on Rails, React Up to £120k DOE Fully Remote - must be UK based A fast-growing sports tech company building high-performance, data-driven products for a rapidly expanding global audience is searching for a Senior Full Stack Engineer. This is a pivotal role for an experienced engineer who thrives on shaping architecture, driving technical direction,...

Principal Grafana Network Analytics Engineer Edinburgh, UK | Fully Remote (UK-based) Engineering | Cyber Security £95,000 & Benefits Ever wanted your dashboards to actually defend the internet? This role does exactly that. I’m recruiting on behalf of a high-growth cyber security technology company that protects some of the world’s most critical online services from large-scale DDoS and...

Senior Software Engineer Lead complex engineering work | Azure | .NET | Distributed Systems At GTreasury, we build software that sits at the heart of the CFO’s office. Our SaaS platform handles complex financial workflows at global scale - and we’re investing heavily in the next phase of growth. We’re hiring a Senior Software Engineer who enjoys solving hard problems, influencing technical...

Software Engineer – Custom Software (Android) London Office Hybrid working – approx. 20% onsite URGENT contract - Initial 4 months with high likelihood of extension We’re looking for a Software Engineer with strong Android expertise to join a high-impact custom software team delivering solutions for a major defence client. This role offers the opportunity to work on complex, mission-critical...

Python Software Engineer – High-Frequency Trading We're working with a high-frequency trading (HFT) firm that is looking to expand its technology team with a Python Software Engineer. This is an opportunity to join a trading firm operating at the cutting edge of global markets, where technology and speed are paramount. They build and run highly scalable, ultra-low latency trading systems that...

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 should be comfortable with most of our core technologies:

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.

Role: C++ Software Engineer - Up to £190k + Bonus Salary: Up to £190k + Bonus Location: London (Hybrid) Skills: Language agnostic, just need to be a keen technologist (Ideally experienced in C++/ low level languages) This firm is an elite company with high tech standards who have previously set tech world records. They are made up of some exceptionally talented individuals who above all are...

Lead Software Engineer Stealth AI Fintech Startup | London | Hybrid (3 days on-site) We’re hiring on behalf of an innovative Fintech startup that is building an AI-driven platform that’s rethinking how investors analyse, access, and manage alternative assets (e.g. private equity, private credit and other private markets). They've built there MVP, raised funding from experienced fintech...

You will work in close collaboration with a highly-functioning team of software, electronics, algorithm engineers and product managers.

You will be working within a modern, engineering-first culture. The core stack includes:

You will participate in defining the technology and process strategy, occasionally leading high-level innovation or software design initiatives. - Full-Lifecycle Ownership: Design, document, and communicate system solutions that balance high performance with security and cost-effectiveness.

You will work closely with product managers, designers, and other engineers to solve complex problems and create intuitive solutions that help simplify financial workflows for our users. You’ll have the opportunity to own critical features and contribute to the overall architecture of our platform.

Senior Software Engineer Cheltenham or London (Hybrid - 2 days a week onsite) Up to £80,000 + excellent benefits We’re working with a specialist secure technology consultancy supporting some of the UK’s most security-conscious organisations. They’re looking for a Senior Software Engineer who enjoys solving meaningful problems, working with modern technology, and building software that...

You will design and build APIs that enable products, partners and AI services to work together, including: Building RESTful APIs using C# .

You will likely bring: Strong experience building backend services in C# .

All3 is transforming how buildings are conceived, developed, and delivered. We combine AI-powered design with robotic prefabrication and on-site assembly to build custom architecture at the cost and speed of mass production — unlocking even the most complex sites. We’re currently seeking a Robotics Software Engineer to build the control software for electro-mechanical systems, develop tooling...

You will be responsible for building and maintaining business-critical systems, developing automation for deployment, monitoring, and incident response, and collaborating closely with developers, researchers, traders, and platform teams to improve reliability, performance, and scalability across the platform.

Build the engine behind the platform, transforming frontline access. At Cocentric, we’re scaling Connect – our flagship SaaS platform built to simplify workforce access, provisioning, and digital identity. From automated onboarding to secure SSO and real-time data integrations, Connect is helping frontline organisations empower their people at scale. We’re looking for a Software Engineer to...

Principal Embedded Software Engineer £75,000 - £90,000 + equity London (3 days per week in office) Overview TalentEdge Technology are looking to hire a Senior Embedded Engineering Leader to take ownership of the firmware stack for a next-generation, AI-enhanced connected music hardware platform. This role is hands-on and deeply technical, suited to an engineer who enjoys working across the...