Senior Software Engineer Python Scala Java jobs in Reading

Spectrum It Recruitment Limited

€85,000 - €85,000 /year

Requirements Must have: - Strong Python experience, particularly with asynchronous or distributed systems - Solid experience building APIs and backend services - Good understanding of cloud environments (Azure preferred), CI/CD, and deployment - Experience building and shipping systems used in real-

Company Description Zaio Limited is a leading IT and telecom solutions provider specializing in data-driven and agile software to empower connectivity and optimize telecommunications. With decades of industry expertise, Zaio supports global operators and enterprises across the network lifecycle, off

ZAIO Limited

Company Description Zaio Limited is a leading IT and telecom solutions provider specializing in data-driven and agile software to empower connectivity and optimize telecommunications. With decades of industry expertise, Zaio supports global operators and enterprises across the network lifecycle, off

Eden Scott

🚀 Software Engineer (Java) – Fast‑Growth Fintech | Fully Remote (UK) 💰 £45,000–£50,000 + 4% Bonus + Excellent Benefits Software Engineer (Java) opportunity with a rapidly scaling fintech building next‑gen payment technology. You will be a talented Java Software Engineer who wants to make real impa

Aveni

Aveni is redefining how financial institutions use AI. We build real, production-ready agentic systems that reshape how banks, advisers and financial services firms operate, replacing fragmented processes with intelligent, end-to-end workflows. We have been recognised as Fintech of the Year for two

Spectrum IT Recruitment

£75,000 - £85,000 /year

Senior Software Engineer - Python - Agentic AI Fully Remote (UK) A small and talented team of engineers, data scientists, and AI specialists are quietly building something exciting. Well-backed and operating in the AI delivery space, they partner with PE backed businesses to solve complex technical

Trust In SODA

We’ve joined forces with a global Life Sciences pioneer developing a next-gen R&D platform. Their work empowers scientists worldwide to fast-track drug discovery and biological breakthroughs, directly contributing to saving millions of lives. As they scale their core engineering team, we are looking

Tenth Revolution Group

Senior Java Developer — Manchester (Hybrid) This is an opportunity to work on large-scale, complex engineering projects that have real impact. As a Senior Java Developer, you will design and build solutions that help organisations make better, data-driven decisions in rapidly changing environments.

Relevance Lab

Senior Software Developer Location: Newcastle Upon Tyne, England, United Kingdom Hybrid, 2 days onsite 1 yr. contract The tech stack spans Node.js and React-style front ends with Spring Boot microservices, cloud deployment on AWS (and some Azure exposure) supported by Git-based CI/CD (GitLab and too

SR2 | Socially Responsible Recruitment | Certified B Corporation™

A company who are a huge success story in the Bristol-based tech startup scene are hiring for talented full stack engineers to join their team. They have some exceptional engineers in the team already (of all seniorities) and are looking to add some new members as they embark on building a brand new

Python Software Engineer (Mid to Senior) – Backend Focus Remote (Ireland / Northern Ireland) | 1 day per month on site Company Overview A technology-driven digital business operating a large-scale consumer platform with significant daily user activity. This is a small IT function within a broader or

Halian Technology Limited

Senior AI Engineer (LLMs, Python & Java) Bracknell (Hybrid) What if you could own and build the AI capability from the ground up in a scaling, purpose-driven tech company? Were hiring the first dedicated AI Engineer to join a fast-growing (~280 people) Healthtech organisation making a real-world imp

Addition

A fast-growing UK fintech bank is building the next generation of platforms that support underserved SMEs, helping power local economies through modern, scalable financial services. This role sits at the heart of its engineering function, shaping products that directly impact customers while driving

Owen Thomas | B Corp™

£110,000 - £110,000 /year

Senior Software Engineer (Golang/Python) | Drug discovery Platform | Fully Remote, EU /UK| Base Salary Up to £110,000, plus early equity+benefits I am currently partnering with an elite engineering team building a world-class platform for decentralised and federated computing. They are solving one o

Santander UK

This job is with Santander UK, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Python Software EngineerCountry: IT STARTS HERE Santander (www.santander.com) is evolving from a global, high-im

Sanderson

Contract Java/Full Stack Developer £575/day Inside IR-35 Active SC Clearance mandatory Remote with occasional travel to London for client meetings only - expensable We are looking for experienced senior Fullstack Java Software Engineers to support projects across UK Government and Policing. You’ll w

Experis UK

Python Developer — Secure, Mission‑Critical Systems Defence & Security | Contract | Outside IR35 Build software that’s actually used — and actually matters. We’re looking for a Python Developer to work on secure, mission‑critical systems used across Defence & Security programmes. This is real produc

Foster Growth

Lead Full Stack Software Engineer Location: Hertfordshire (Hybrid) Salary: £100,000 + bonus + benefits We’re partnering with a growing, engineering-led company building real-world monitoring and data systems used across critical infrastructure environments . This is a rare opportunity to step into a

Experis UK

Python Developer — Secure, Mission‐Critical Systems Defence & Security | Contract | Outside IR35 Build software that's actually used — and actually matters. We're looking for a Python Developer to work on secure, mission‐critical systems used across Defence & Security programmes. This is rea

Stealth iT Consulting

A prominent IT consultancy is actively searching for a talented Full Stack Engineer to join their team on a permanent basis. The ideal candidate will possess extensive experience in developing robust web applications using Java (Spring Boot), HTML, CSS, and JavaScript/TypeScript. This role offers an