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Java Developer
6-month contract for Java engineers in Telford, UK (2 days onsite/week), joining Scrum teams to modernise HMRC legacy tax administration services. Rate is £580–£630 (per day for a contract role) and BPSS clearance is required.
Java Developer
Contract Java Developer based in Glasgow (5 days onsite) building microservices with Spring Boot, applying AI-assisted software development to ensure code quality, and setting up databases such as CockroachDB and MongoDB.
Back-End Java Developer
Urgent 6+ month inside-IR35 contract for a back-end Java developer at a Tier-1 bank in Manchester (hybrid, 2 office days/week). Day to day: building Java 8-17 microservices with Spring Boot and REST, Kafka event-driven messaging, GCP deployment and monitoring, Docker/Kubernetes, and CI/CD pipelines.
Java Developer
Intermediate Java Developer on Citi's Global Market Access EMEA team, building and maintaining the gateway that translates internal trading messages into exchange formats for electronic equities trading across EMEA exchanges. Core stack is Java and Python, with desirable DevOps, containerisation, Unix/shell and low-latency skills.
Java Developer
Urgent 6+ month contract Java Developer role for a Tier-1 bank in Manchester (£420/day inside IR35, hybrid with 2 days/week in the office). Day to day: building enterprise microservices with Java, Spring Boot, Kafka and Docker/Kubernetes, deploying on Google Cloud Platform with CI/CD pipelines.
Senior Java Developer
Senior Java Developer at HCLTech in Glasgow working on distributed systems: programming in Java and Python, building REST APIs, and running services in Docker/Podman and Kubernetes. Also involves networking/security fundamentals, PostgreSQL, and infrastructure tooling like Terraform, Ansible, and GitOps.
Java Developer - Financial Services
Java developer at a financial-sector company in London, joining a small team of 10 to build a brand-new AI-focused product and take end-to-end ownership of server-side Java services for core financial systems. Core stack: Java, Apache, MongoDB/Postgres; Spring Boot, Elasticsearch and semantic search are pluses. Hybrid, 3 days in Central London.
DV-Cleared Senior Software Engineer: Python & AWS (Hybrid London)
Searchability is hiring a DV-cleared Senior Software Engineer for its secure/national security-focused team in London (hybrid), paying up to £120,000. The role involves designing, developing and deploying Python solutions, building scalable services, and contributing to CI/CD pipelines across AWS to deliver secure, production-ready software.
Senior Python Developer - Public Sector, Data & AI
The Government Recruitment Service in Cardiff is hiring a Senior Python Developer to design, build, and run robust software across the full development lifecycle, delivering scalable digital services that support government objectives. Day-to-day work spans API and microservice development, deployment pipelines, and incident handling.
Python Developer – Generative AI & Backend Engineering
Builds scalable Python backend services, REST APIs, and Generative AI-powered applications using Django/Flask/FastAPI, LLM/RAG integration, SQL/NoSQL databases, and AWS/Azure/GCP with Docker and CI/CD. Office-based role in Sheffield, UK; secure coding practices required, Kubernetes and regulated-industry experience are nice to have.
Senior Python Developer – Public Sector Platforms
Senior Python developer with the UK Government Recruitment Service in Manchester, designing, building and running software across the full lifecycle in a multidisciplinary public-sector team, with a focus on reliable, maintainable code and modern engineering practices.
Python Developer
Contract Python Developer (£450-£650/day outside IR35) building secure, cloud-native logging, observability and security-event tooling in a highly regulated environment. Core stack: Python, Django, AWS (CloudWatch, S3, IAM), Terraform and Git/CI-CD; 1-2 days a week on-site in London and active SC clearance required.
Mobile App Engineer (iOS/Android) – Real-Time CPMS
Mobile engineer at Believ (London) enhancing iOS and Android apps for the company's in-house charge point management system (CPMS). Day to day: working with the Driver squad to reach feature parity with the incumbent SaaS tool, integrating REST/GraphQL APIs, and optimizing app speed and battery life.
Mobile App Engineer (iOS/Android) – Scale-Up CPMS
Believ is hiring an experienced Mobile App Engineer, office-based in Southwark, London, to enhance its customer-facing iOS and Android apps and CPMS portal — first achieving feature parity with the incumbent SaaS solution, then building new, market-leading capabilities and robust real-time data integrations.
Python Developer
AI/Machine Learning Engineer at Wipro (posted via Talantir): designs, builds, and deploys ML, NLP, computer vision, and generative AI solutions for enterprise clients, including end-to-end pipelines and MLOps. Core stack: Python, TensorFlow/PyTorch, Pandas/SQL, Flask/FastAPI, Docker, and cloud platforms.
Python Developer
A 6-month inside-IR35 contract (£580/day, hybrid with 2 days onsite in North London) building a 'Wireshark as a Service' Python backend that automates network packet capture. The contractor develops REST APIs, async task queues and TShark integrations, turning manual packet sniffing into a self-service web application.
iOS Developer (Hybrid) - 3-Month Contract in Manchester
3-month contract iOS Developer role in Manchester (hybrid, 2 days/week in the office), building mobile applications using iOS technologies for a client recruited via Maxwell Bond. Day rate £400–£450, outside IR35, with a start within one week.
Senior iOS Engineer — Swift, Modular Apps, CI/CD
MPower Plus is hiring a Senior iOS Engineer in London to design, build, and maintain modern iOS applications using Swift and Xcode. The role focuses on modular architecture, CI/CD, TDD, code reviews, automated testing, and secure mobile coding practices while collaborating with cross-functional teams.
iOS Engineer (Swift) — Build a High-Impact iPhone App
iOS engineer at a well-funded, stealth-mode London start-up, building a native iPhone app from the ground up in Swift. Day to day you collaborate with product and design and take ownership of the whole lifecycle, from architecture through to release.
iOS Engineer (Swift) – Stealth Technology Start-Up
iOS Engineer at a well-funded, stealth-mode London start-up, building a native iOS product from the ground up in Swift. Day to day involves designing and shipping polished, UI/UX-focused iOS features, owning development end to end, and iterating rapidly with product and design — on-site in Central London, immediate start.