3 developer jobs found in London

Senior Java Developer - Outside IR35 - Up to £700 per day We have partnered with a leader in the financial services sector who is looking for experienced Senior Java Engineers to join their Settlements team . This is a hands-on engineering role focused on developing and enhancing software supporting complex post-trade and settlement workflows . you'll work as part of an experienced engineering team, contributing to both new and existing systems within a fast-moving financial markets environment. The Role Develop and maintain Server Side Java/JVM applications supporting settlement and post-trade processes. Build robust, scalable services using Spring and Spring Boot . Work across greenfield and brownfield development projects. Collaborate with engineers and business stakeholders to understand requirements and deliver effective solutions. Contribute to technical design, development, testing and production delivery. Work with Kubernetes, event-driven...

Palantir Engineer £650-750 p/d Outside IR35 | 3-6 months | London / Remote Ncounter is supporting a major healthcare transformation programme and is looking for experienced Palantir Engineers to help develop data-driven applications across a complex and highly regulated environment. The programme is focused on improving how operational and service data is structured, connected and used, giving teams better access to information and supporting more effective decision-making across healthcare services. This is a hands-on engineering role, working within an established delivery team across several concurrent workstreams. You will build applications within the Palantir ecosystem, translating complex healthcare and operational requirements into practical workflows, applications and data models. The role: Build and enhance applications using Palantir, with a particular focus on SEQ Develop workflows, forms and user-facing applications around real...

QA / Integration Tester - Commodity Trading - London - Outside IR35 A leading energy company is seeking a hands-on QA / Integration Tester to support its LNG Technology team in the implementation of a new trading platform. Overview This role sits at the heart of a major platform rollout, focusing on end-to-end integration testing across an ETRM platform and its connected trading and operational systems. You’ll play a critical role in ensuring system stability, data integrity, and workflow accuracy across the broader LNG trading ecosystem. Key Responsibilities • Own and execute integration testing for the trading platform • Validate cross-system workflows and data flows across connected energy trading systems • Identify, document, and track defects through to resolution • Work closely with developers, business analysts, and stakeholders to ensure quality delivery • Operate as the sole QA resource on the project, driving testing...