senior java developerin jobs in London

Job Title Senior Software Engineer Job Description Senior Software Engineer — Java Order Management System (OMS) — Trading Platform So, who are we? IG Group is a FTSE 100 fintech operating across five continents, serving over 1.4m customers and handling billions of dollars in transactions – built on scale, trust, and proof. We didn't pivot to...

Java / Angular Fullstack DeveloperSalary: £60,000 - £75,000 (depending on experience)Location: Central LondonWorking Arrangement: Hybrid, 2 days per week in the officeEmployment Type: PermanentAvanti Recruitment is currently recruiting for a Senior Java Fullstack Engineer to join an established, internationally recognised software company based in Central...

Senior Software Engineer I - Cash Management Wise Employment: full time London Job Description Company Description Wise is a global technology company, building the best way to move and manage the world’s money.Min fees. Max ease. Full speed. Whether people and businesses are sending money to another country, spending abroad, or making and receiving...

IBM Consulting UK is seeking a Senior Application Architect to shape, design and deliver scalable, secure software solutions across complex enterprise environments. You will lead architectural decisions, mentor engineers, and collaborate with stakeholders to drive cloud adoption and modernisation.This role requires strong Java, microservices and...

Senior Software Engineer Location: London Permanent Onsite Due to the interesting work we do and the sector this team is working in, we require all candidates to hold an active eDV clearance for this role. About us At Raytheon UK, we take immense pride in being a leader in defence and aerospace technology. As an employer, we are dedicated to fuelling...

Onyx-Conseil is seeking a Senior Fullstack Software Developer to join its growing fintech team in London. The role focuses on leading the technical arm, delivering high-performance mobile and web apps, and coordinating rapid iterations in an agile environment.You will work with React, Swift/Objective-C, Java, Rails, Node.js and Angular, driving architecture...

Neo4j is seeking a hands-on, mid-to-senior engineer to join the team behind Neo4j Graph Analytics for Snowflake. You’ll work on a containerized Java + Python runtime inside Snowflake, building analytics that run inside customer environments.You will partner with data engineers and data scientists to ship scalable features, optimize the SQL-facing API, and...

Job Title: Senior Performance Engineer Location: London - Hybrid Role type: Permanent Security Clearance: Active SC (Security Clearance) is essential and ideally NPPV3 (eligibility also accepted) Who we are: We're an award-winning Tech Consultancy, focused on Quality Engineering, on a mission to become the UK's #1. What we do: "Champion and Engineer...

JPMorganChase & Co. within the Data Platforms team in the Chief Data & Analytics Office is seeking a Senior Lead Software Engineer to drive secure, scalable, and high-impact technology products across multiple technologies and applications.You will lead metadata and distributed system workstreams and guide AI-supported development practices in a large,...

Apexon is a digital-first technology services firm specializing in accelerating business transformation and delivering human-centric digital experiences. We have been meeting customers wherever they are in the digital lifecycle and helping them outperform their competition through speed and innovation Apexon brings together distinct core competencies – in...

Office Location: Temple, London - hybrid working environment (3 days in office per week)About InvestaInvesta is building the UK’s first zero-commission Options and Stocks trading platform. Legacy platforms typically feature high fees and complex interfaces that cut out the majority of retail investors. We are building a streamlined alternative to fix...

Job DetailsDate Posted: 2026-09-24 Country: United Kingdom Location: London, London, City of Position Role Type: Onsite Senior Software Engineer Location: London Permanent Onsite Due to the interesting work we do and the sector this team is working in, we require all candidates to hold an active eDV clearance for this role.About usAt Raytheon UK, we take...

Fitch Ratings, a leading global credit ratings agency, is seeking a Senior Software Engineer to join its Ratings Technology team in London. You will design and deliver full-stack applications using Java/Springboot, C#/.NET, Python and React, influence architecture, and mentor engineers across multiple squads.This role offers hybrid work in London and other...

Senior Software Engineer – AI Training Projects Flexible Hours | $30–$150/hr equivalent, with specialist projects paying more We are recruiting experienced Software Engineers and Senior Software Engineers to support large-scale AI training projects. No previous AI experience is required. The work is focused on real software engineering problems...

As a Senior Lead Software Engineer at JPMorgan Chase within the Commercial and Investment Bank, you serve as a seasoned member of an agile team to design and deliver trusted market-leading technology products in a secure, stable, and scalable way. You are responsible for carrying out critical technology solutions across multiple technical areas within...

Starling Bank is recruiting a Full Stack Engineer (ML Ops) in London, joining a leading UK digital bank focused on fast technology, fair service and honest values. This mid/senior role blends backend Java services with modern frontend work and ML-ready data tooling in a fintech context.We offer a hybrid working model with up to two remote days per week....

Entity: Technology Job Family Group: IT&S Group Job Description: Senior Enterprise Technology EngineerThe role is for a senior Microsoft Office platform expert developer in the London EUC (End User Computing) RAD team The EUC team is a small team of 4 senior experienced developers serving users across the entire RPTE trading floor. R&PTE (Refining & Product...

McCabe & Barton is seeking a Senior Java Developer to join a boutique consultancy delivering a greenfield FX trading platform in a front-office context. You will work on-site in Central London, building a new platform from the ground up, with emphasis on Order Management and Trade Capture capabilities.You should bring strong Java expertise in financial...

SII UK is seeking a Senior Java Engineer to join a collaborative Agile team delivering scalable, cloud-native solutions using Java and AWS.You will design, develop, and maintain high-quality applications while advancing automation, CI/CD, and testing practices, including pair programming as a daily activity.This role offers opportunities to mentor others and...

Senior Software Engineer, Backend Develop and deploy a cloud-native backend platform coordinating 5G NTN and Direct-to-Cell services Location: London, England About The Role Aalyria Backend Software Engineer Aalyria is a leading technology company that supplies laser communications technology and temporospatial software-defined networking platforms to the...