Senior Software Engineer Python Scala Java jobs in Slough

Space Executive

£100,000 - £115,000 base salary We’re partnered with an AI-native customer experience platform that’s transforming how ecommerce brands support and engage with their customers through intelligent AI Agents. They’re now looking to hire a Senior Scala Software Engineer with strong Scala experience to

Information Tech Consultants

We're Hiring: Junior Java Spring-boot Developer Location: Onsite (London) Type: Full-time | Permanent Level: Junior London based candidates only. Job Summary: We are seeking a skilled and motivated Java Developer to join our growing software development team. As a Java Developer, you will be respons

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

Senior Python Software Engineer (Contract) Location: London (Hybrid) Contract: Initial term until end of year Client: Consultancy Overview We are seeking an experienced Senior Python Software Engineer to join a high-impact consultancy engagement. This is a hands-on, individual contributor role focus

Thrive IT Systems

Job Description : We are looking for a hands-on Java Developer with deep experience in Apache Struts and enterprise Java migrations to join our application development team. You will be stepping into an active, in-progress migration — 6 of 17 modules have already been completed, and established patt

Oliver Bernard

Java Software Engineer We’re partnering with a leading global financial institution seeking experienced Java Contractors to join high-impact engineering teams delivering scalable, mission-critical platforms. Key Skills Required: • Strong Java development experience (Java 11+) • Deep expertise with K

Harrington Starr

Senior Software Engineer - London Harrington Starr are working alongside a unique financial trading technology firm who are seeking 10+ Senior Java Developers to join their Core Development team and build out low latency systems. You absolutely have to have is a demonstrable interest in technology,

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

Opus Resourcing Ltd

Python Software engineer with sound backend Python / distributed systems experience is required to join the R&D, product-centric engineering team in Reading, Berkshire, for a world-leading company specialising in secure video collaboration technology, where software quality, collaboration, and conti

Client Server

Backend Software Engineer / Developer (C# Python AWS SQL IaC) London 12 month FTC to £180k Are you a full stack technologist with a product based mindset? You could be progressing your career in a hands-on Backend Software Engineer role at a tech driven, global Asset Manager with multiple billions o

Hamilton Barnes 🌳

Do you want to join a global high frequency trading firm and have real ownership? We’re looking for a sharp, product-minded engineer to help scale a fast-growing platform used across the company. You’ll work across frontend and backend systems, solve performance challenges, and play a key role in sh

Job Description Founding AI Engineer | Python, Async, LLMs, TypeScript, Cloud | £100k-£160k + Equity | London (Onsite) Build AI products from scratch as part of a founding team. Great opportunity to join a YC-backed AI startup building autonomous voice agents that automate customer interactions, sch

Oho Group

Founding Software Engineer | Python | Early-Stage AI Start-Up | London Founding Software Engineer (Python) required to build, scale, and own the technical foundation of a well backed, early-stage AI start-up from day one. This is a rare opportunity for a strong Python Software Engineer to join at th

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.

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

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

Opus Resourcing Ltd

A software engineer with at least 2 years of backend Python/Django skills is required to join the R&D, product-focused engineering team at a world-leading European software company with circa 350 people who specialise in secure video collaboration technology. The role is hybrid-based in Reading, Ber

Oliver Bernard

Senior Software Engineer – AI Startup – Up to 160k 🚀🧠 💰 Salary: £70,000 - £160,000 + meaningful equity 🏙️ Location : London, flexible working arrangements, ideally 2/3 days in office 💻 Tech Stack : Python, Flask, FastAPI, React, TypeScript, GCP (Backend Leaning) Our y-combinator backend client

Ubique Systems

Must Have – Java, Low-latency, financial services background, and hands on coding skills \"Our app relies heavily on async development, we use vertex. it takes significant time to switch perspective. And to lead he need to already have significant intuition with that, and some modern messaging like