java software developer jobs in London

Lead the engineering standards behind a High-Growth UK SaaS platform Software Development Manager NestJS / NodeJS, VueJS: .NET backgrounds welcome Leading a team of AI driven developers Hybrid / remote working Up to £100,000 + benefits If youre a technically strong engineering leader who built your career on solid engineering foundations (whether in C# /...

About the roleWe're looking for a Junior Software Developer with hands-on experience across the MERN stack, Python, and databases, along with foundational exposure to machine learning and cloud platforms. The ideal candidate is comfortable working across the full stack and has practical (not just theoretical) experience applying ML in a real-world or...

Helical is building the in-silico labs for biologyDrug discovery still relies on wet labs: slow, expensive, and constrained by physical trial-and-error. Helical is changing that.We build the application layer that makes Bio Foundation Models usable in real-world drug discovery, enabling pharma and biotech teams to run millions of virtual experiments in days,...

Radley James is recruiting a Java Developer for a global systematic hedge fund in London. You will work within the Software Development team to build and enhance systems supporting trading activities.The role offers hybrid working (3 days onsite, 2 days remote) and involves developing across Java, Python and MATLAB, contributing to low-latency,...

CBSbutler Holdings Limited trading as CBSbutler is seeking an experienced Java Developer to join a remote development team on a Home Office project, building secure, scalable Java applications and services.You'll work across Java, Spring Boot, REST APIs and microservices, contributing to the full development lifecycle from design and development through to...

Job Description We have an exciting and rewarding opportunity for you to take your software engineering career to the next level. Job Description We have an exciting and rewarding opportunity for you to take your software engineering career to the next level. As a Software Engineer III (Java/Python Developer) at JPMorgan Chase within the Commercial and...

Senior Software Engineer | Java | React | AWS/Azure Hybrid | Permanent I'm currently working with a leading UK technology and software consultancy that is looking to add an experienced Senior Software Engineer to one of their Central Government delivery teams. This is an excellent opportunity for a Full Stack Engineer who enjoys solving complex technical...

**Please note: This role may close soon depending on the level of interest so don’t miss out!** **Thank you for your interest in applying for this TfL Graduate Scheme.** **We’d like to remind you that you must ensure you are eligible for this scheme before applying. Please read through the eligibility criteria below carefully and ensure that you are...

Nexus in London seeks an experienced Azure-focused developer. You will design and implement solutions using C# or Java on Azure, integrate with data services, and manage ETL processes. You will work with REST/SOAP, JSON/XML, and BI tools in a hybrid, permanent role.Required 4–6 years in related areas, strong Azure experience, and CS/SE degree. The role...

HCLTech is a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered on digital, engineering and cloud, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life...

DescriptionWe have an exciting opportunity for experienced Java developers to join our team!You will have a passion for software development and an excellent understanding of how to define and deliver solutions iteratively and collaboratively. You will be involved in all areas of delivery, with the technical gravitas to mentor and inspire the development...

About Us:Based in San Francisco, California, Turing is the world's leading research accelerator for frontier AI labs and a trusted partner for global enterprises deploying advanced AI systems. Turing supports customers in two ways: first, by accelerating frontier research with high-quality data, advanced training pipelines, plus top AI researchers who...

HCLTech in London is seeking a Java Developer to help modernise critical Department for Work and Pensions applications. You will design, develop, and migrate components, working with stakeholders and delivery teams.The role requires strong Java and Spring, experience with UNIX/Linux and SQL, and familiarity with GitLab CI/CD in an Agile environment. You will...

Java Engineer - Market Data - LSEG/RTSDK Migration Permanent London - Hybrid 3 days per week Salary - £85K - £110K We are seeking an experienced Java Engineer with strong market data and electronic trading experience to support the modernisation of a Futures algorithmic trading platform. The role will focus on migrating from the legacy LSEG/Refinitiv RFA...

Position: Java Low Latency Engineer Location: London, UK (Hybrid-2/3 days from office) Long term contract position Role Overview We are looking for an experienced Java Low Latency Engineer with strong expertise in Java performance optimization, JVM tuning, and high-performance system development. The ideal candidate will have experience building...

Mondrian Alpha in London is seeking a Software Developer to join our team, working alongside quantitative and investment professionals. You will build technology that underpins valuation, pricing, risk and analytics, with genuine ownership of projects from design through to release.You'll design and develop reusable, high-performance software for complex...

Job Description C# .NET Software Developer with FX and Fixed Income Our Client is a niche boutique broker specialising in FX. They are looking to recruit a C# .NET Software Developer with at least 3 to 5 years proven track record of developing with C# .NET. The Client would like meet candidates ideally with some understanding Trading Floor projects to...

Solytics Partners is a Global Analytics firm, recognized with multiple industry awards for innovation and excellence. Our team comprises experts with deep domain knowledge in risk, analytics, AI/ML, AML/FCC, and fraud. By converging this expertise with cutting‑edge technologies like AI, Machine Learning, Generative AI, and Large Language Models (LLMs), we...

Job Description C# .net Lead Software Developer with SQL and Azure Our Client is an international company who are looking to recruit a Lead Software Developer with Dot net technology coupled with SQL Server and Azure and Devops. You must have at least 5 years solid expertise in software engineering using .net Core. The following are the key skills that...

Location: UK (Hybrid / Onsite as required) Experience: 2–5 years Role Type: Fixed Term Contract Overview We are building a modern Data Fabric platform that enables the ingestion, transformation, and serving of large volumes of data as high‑quality, reusable data products for analytics, reporting, and operational use cases. The platform operates across...