Senior Software Engineer
Job in
Cambridge, Cambridgeshire, CB2 3BU, England, UK
Listed on 2026-01-02
Listing for:
Oscar Associates Limited
Full Time, Part Time
position Listed on 2026-01-02
Job specializations:
-
Software Development
Senior Developer, Software Engineer, Cloud Engineer - Software, Full Stack Developer
Job Description & How to Apply Below
Location:
Cambridge (Hybrid - 2 days per week in office) Industry: Open-Source Software / Data & Collaboration Platforms The Opportunity I'm recruiting for a fast-growing Cambridge-based technology company that's making waves in open-source software and collaborative data platforms. This role is ideal for a Senior Software Engineer who thrives on building scalable, high-quality applications and wants to have a tangible impact on product direction and team growth.
You'll be joining an engineering team of around 10 developers, working in a collaborative environment where mentorship, technical excellence, and open-source contributions are genuinely encouraged. What You'll Be Working On Designing, developing, and maintaining scalable open-source applications Building new features and improving existing systems across backend and frontend Writing clean, maintainable, and well-tested code Collaborating closely with Product, Design, and other engineers Participating in code reviews, architectural discussions, and mentoring team members Improving system performance, reliability, and developer experience Projects include API-first platforms, real-time collaboration tools, and data-driven services used globally.
Tech Stack (Open-Source) Backend:
Python, Go Frontend:
React, Type Script Frameworks:
Django, FastAPI Databases:
Postgre
SQL, Redis
Infrastructure: Linux, Docker, Kubernetes, CI/CD pipelines Cloud: AWS Testing:
Pytest, Jest You don't need experience with every tool - strong programming fundamentals and a passion for open-source are key. What They're Looking For Commercial experience as a Software Engineer (5 years preferred) Strong experience building backend services and familiarity with frontend frameworks
Experience with open-source technologies in production Comfortable owning features from design through to delivery A collaborative mindset and experience working in Agile teams Willingness to mentor junior developers and contribute to architectural decisions Salary & Benefits Salary: £55,000 - £65,000 depending on experience Hybrid working: 2 days per week in the Cambridge office 25 days holiday plus UK bank holidays Flexible working hours and strong work-life balance Company pension scheme Private healthcare and wellbeing support Annual learning and development budget Modern equipment provided Clear progression and senior-level mentorship opportunities Why Apply?
This is an excellent opportunity for a Senior Software Engineer to work with modern open-source technologies, influence product and architecture decisions, and grow within a highly collaborative, technically excellent team in Cambridge. Oscar Associates (UK) Limited is acting as an Employment Agency in relation to this vacancy. To understand more about what we do with your data please review our privacy policy in the privacy section of the Oscar website.
Position Requirements
10+ Years
work experience
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