senior java developer jobs in London

Areti Group | B Corp™ in the UK is recruiting a Java/Kotlin Developer to join a major public sector programme. You will design, implement and maintain backend services in Java and Kotlin, collaborating with cross‑functional teams.Experience in a UK Government environment is essential, with monthly travel to London, Leeds or Manchester and eligibility for...

Position: Volunteering Development Senior Officer, Learning and DevelopmentIf you are considering sending an application, make sure to hit the apply button below after reading through the entire description.Hours: Full-time (35 hours a week)Contract: PermanentLocation: Office based in London N4, with flexibility to work remotelySalary: Starting from £33,705...

Location London Practice BFSI Shape the front end of a flagship asset-management platform Are you a senior front-end engineer who enjoys taking genuine ownership - not just delivering tickets, but shaping how a major customer-facing platform is built, performs and evolves? You'll join our BFSI practice working on a flagship digital platform for a leading...

LogisticsEmployment type: PermanentJob DescriptionAs a Senior Python Engineer, you will play a critical role in designing, developing, and optimising our innovative solutions. You’ll be responsible for driving the technical execution of projects, mentoring other developers, and ensuring our platform remains scalable, reliable, and secure. This role...

You are pioneering and innovative and want to be part of the cutting-edge and disruptive crypto-currency worldYou enjoy end-to-end application development from requirement collection to production supportYou are eager to learn new knowledge in both financial and technical fieldsYou thrive in a non-hierarchical organization with a casual working...

Project description We are seeking an experienced Senior KDB+ Developer to design, develop and optimize high performance data platforms built on kdb+. The ideal candidate will have deep expertise in kdb+ tick architecture, performance tuning at scale and close collaboration with business stakeholder - particularly within Risk functions - to deliver robust,...

I'm working with a business that runs its ecommerce on an established Magento 2 platform and i'm looking for someone who can keep it running smoothly while it keeps evolving. This isn't a ticket-taking role. You'll be the client's go-to Magento expert and sit between the internal team and their digital agency. You'll set the technical direction, sense-check...

Waracle are looking for a Senior Developer for an exciting new role joining our world-class digital technology consultancy and home to a diverse, smart, curious and ambitious community of specialists in technology-driven transformation.We work with ambitious clients to help them solve their biggest business and customer challenges. We help our clients to...

We’re looking for a passionate and experienced Senior Software Developer to join one of our agile squads. In this role, you’ll be hands‑on in designing, building, and enhancing features across the PCI Pal product suite, while also setting the technical standard through mentorship, code reviews, and driving engineering best practices. You’ll...

At Insightful Technology, we build intelligent solutions that help organisations manage risk, protect data and stay compliant in an ever-changing world. Our products power global enterprises, financial institutions and regulated organisations, and we’re just getting started. Compliance and surveillance jobs: if you want to work in a place where ideas move...

Direct message the job poster from Nicoll CurtinI am seeking a Senior C++ Developer to join my client, a leading investment bank based in London. You will be responsible for developing and optimizing systems that support a variety of processes, including research, trading, risk management, and settlement.You will focus on C++ development, working on the...

Senior Python Developer (Storage / Platform) £850 per day (Inside IR35) 12-Month Contract (Highly Likely Extension) London - Hybrid (3 /4 Days Onsite) We are partnering with a highly regarded organisation operating within the financial sphere, seeking a Senior Python Developer to join a high-impact Storage Engineering team on a long-term contract. This is a...

Senior ServiceNow Developer Work with the ServiceNow Engagement Lead and business stakeholders to translate agreed requirements into functional and technical solution designs, contributing to and, where appropriate, facilitating solution-design workshops. Design, configure, develop and implement end-to-end ServiceNow solutions, including Flow Designer...

OPDCOld Oak and Park Royal Development Corporation (OPDC) is a Mayoral Development Corporation with planning, delivery, and compulsory purchase powers and a remit to deliver regeneration in its area. Old Oak is OPDC’s core regeneration project located in an area with a rich, cultural heritage and adjacent to London’s most successful industrial estate,...

Hybrid | 6 Month Contract | Up to £500 per day | Inside IR35 We're looking for an experiencedAndroid Developerto join a collaborative digital team delivering new features and enhancements across a highly-used mobile application for a major client. You'll play a key role in developing innovative app functionality, including customer reward and engagement...

Senior AWS DevOps Engineer Location:Hereford (hybrid 1x a week, travel expenses covered) Salary:Up to £75,000 (depending on experience) + Benefits Are you an AWS-focused DevOps Engineer who enjoys building cloud infrastructure from the ground up, rather than simply maintaining existing environments? We're looking for aSenior DevOps Engineerto join a growing...

Are you a software engineer who enjoys solving complex engineering challenges and building high-performance systems?Opus has partnered with an innovative technology business developing cutting-edge autonomous and sensor-driven platforms. They're looking for a Core Developer with strong Rust and/or C++ experience to help build the software that powers...

Elgin Values Core Behavioural Responsibilities For All Employees Agility We Lead with Agility Integrity We Act with Integrity Excellence We Empower Excellence Care We Value Care Job Description Could you be our next Senior Development Manager and play a key role in turning renewable energy opportunities into deliverable projects? As Senior Development...

Job Title: Senior SAP DeveloperLocation: Flexible, UK + Hybrid Working ArrangementsCompensation: Highly Competitive Salary + BenefitsRole Type: Full time / PermanentRole ID: SF61128 At Babcock we're working to create a safe and secure world, together, and if you join us, you can play your part as a Senior SAP Developer, near your preferred Babcock UK...

Role: Senior Developer - Python, AWS & PySpark Location: London (Hybrid) About the role We are looking for a Senior Developer to join a global organization and take ownership of end-to-end technical delivery. You will design, implement and optimize Python and cloud-based solutions using AWS and PySpark. These power data-intensive, regulation-focused...