Contract Software Engineering Jobs in the City of London

7 of 7 Contract Software Engineering Jobs in the City of London

Backend Platform Engineer

City of London, London, United Kingdom
Fruition Group
Backend Platform Engineer Remote, UK 6 Month Contract An exciting opportunity for a Backend Platform Engineer with a strong software engineering background to join a prestigious tech client on a contract basis. This is a well-regarded engineering environment where contractors speak highly of the fast-paced, collaborative culture, and the real autonomy they're given to … delivery across the business. From improving CI/CD pipelines and service deployment to shaping internal platforms and runtime environments, your work will help enable fast, secure, and reliable software delivery at scale. You'll work closely with product teams and engineers across the stack to enhance developer experience, troubleshoot complex systems, and improve observability. This isn't a … maintenance role - you'll be building, iterating, and solving meaningful engineering problems, with a strong focus on clean code, robust security practices, and modern cloud infrastructure. Backend Platform Engineer - Key Requirements: Solid experience in software engineering, platform, or backend-focused roles Proficiency in Go and/or Python, particularly for building internal tooling and services Strong experience More ❯
Employment Type: Contract
Posted:

FullStack Software Engineer

City of London, London, United Kingdom
Mentmore Recruitment
a leading international law firm that's on a mission to redefine how legal and professional services are delivered-through human-centred technology. They're looking for a pragmatic Software Engineer who thrives in cross-functional teams, loves solving real-world problems, and enjoys delivering impactful solutions at pace. If you're product- and user-focused, collaborative, curious, and … delivery-oriented, this is your opportunity to make a real impact. Key Requirements: 3+ years in software engineering with a strong product mindset Experience working closely with product teams and designing for real users Strong frontend skills (JavaScript/Typescript, React/Angular, HTML) and backend expertise (Node.js, Python) Proven experience in API design and system integration Proficiency … with Microsoft Azure and familiarity with databases, IAM, containers, and deployment tools Comfortable with rapid prototyping tools (e.g., Figma) Solid understanding of the Software Development Life Cycle (SDLC) Responsibilities: Product Engineering & Delivery Build and maintain user-facing applications, tools, and integrations Collaborate with product managers, designers, and stakeholders Write clean, maintainable, well-tested code Contribute to product discovery More ❯
Employment Type: Contract
Rate: £70000 - £80000/annum
Posted:

Software Engineer

City of London, London, United Kingdom
cer Financial
Software Engineer City of London Hybrid (3/2 split) Contract £900 - £1000 per day (Via Umbrella) cer Financial are working alongside an international bank, who are based in the City of London. They are seeking a Software Engineer to work with them on a contract. The responsibilities of the Software Engineer will include: Hands-on Full … reliability. Continuous improvement of the development and release environment, tooling, and processes. Work closely with the operation team and users and provide level 3 support as required. The successful Software Engineer will have: Strong fundamental Computer Science knowledge including Concurrency; Algorithms and data structures Scrum/agile methodology (Product owner and/or Scrum master), or ability to deliver … software on short cycles Evidence of delivering application from inception, to design, and to production String core Java development skills including streams, lambdas, and advanced concurrency APIs Extensive experience and understanding of distributed systems, developing, profiling, and maintaining multi-threaded, asynchronous applications JVM monitoring, profiling, performance tuning, and debugging. Experience with analysis tools such as JConsole, JVisualVM, Elastic Search More ❯
Employment Type: Contract
Posted:

Senior C# Developer

City of London, London, England, United Kingdom
Hybrid / WFH Options
Lorien
or similar trading development role in this successful Commodities Trading company. £750 - 800 per day Outside IR35 The Senior C# Developer will have significant prior experience as a Senior Software Engineer/Senior Developer working as C# Developer in a Commodities trading environment where they will have gained knowledge of the full trade life-cycle and feel comfortable speaking More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Data Scientist - Contract

City of London, London, United Kingdom
Hybrid / WFH Options
Tenth Revolution Group
contribute to impactful service delivery innovations. Key Responsibilities: Design and deploy Python-based AI applications for internal use Conduct R&D on generative AI techniques including fine-tuning, prompt engineering, and retrieval-augmented generation Build agentic systems and LLM-assisted frameworks using modern orchestration tools Collaborate with cross-functional teams to deliver production-ready solutions Maintain high standards of … and its AI services, including Azure AI Foundry Hands-on experience with GenAI techniques: prompt orchestration, retrieval methods (RAG, knowledge graphs), agentic frameworks (LangGraph, Semantic Kernel Agents) Familiarity with software engineering best practices: version control, testing, deployment Ability to collaborate with AI engineers and translate prototypes into scalable solutions Desirable Skills: Experience optimizing workflows and building scalable AI More ❯
Employment Type: Contract
Rate: £500 - £600/day
Posted:

Senior SDET (SC Cleared)

City of London, London, United Kingdom
Hybrid / WFH Options
ARM
adequate and effective test coverage Provide test assurance of the user stories according to the defined acceptance test criteria; whilst working in a test-first environment. Work closely with Software Engineers to deliver the test activities to meet the requirements, whilst contributing to effective agile delivery. Able to participate in estimation activities and are encouraged to identify opportunities to … Ability to lead projects and design test strategy Disclaimer: This vacancy is being advertised by either Advanced Resource Managers Limited, Advanced Resource Managers IT Limited or Advanced Resource Managers Engineering Limited ("ARM"). ARM is a specialist talent acquisition and management consultancy. We provide technical contingency recruitment and a portfolio of more complex resource solutions. Our specialist recruitment divisions More ❯
Employment Type: Contract
Rate: £612/day Inside IR35
Posted:

Lead Software Engineer (Python) - £500 per day

City of London, London, United Kingdom
Hybrid / WFH Options
Ashdown Group
A well-established business is looking for an accomplished Software Engineer with expert Python skills to join its organisation. Please note, this role is Outside IR35. The company embraces hybrid and flexible working so you will be able to work fully remotely, with occasional visits (perhaps once per month) to the office in London. Web, software, and AI … enabled technology are fundamental to the success of the business so you must have proven experience of developing great software in Python and an interest in adopting cutting-edge technology. In order to be suitable for this Lead Software Engineer role you must be an accomplished developer with a passion for technology and desire to mentor a team. … You will hold proven experience delivering SaaS projects in Python and will be keenly interested in AI and ML. Experience with AWS and data engineering would be advantageous to your application. In this role of significant responsibility, you will be both a Lead Developer and guide 2 in-house developers and an offshore team. You will act as a More ❯
Employment Type: Contract
Rate: £500 per day
Posted:
Software Engineering
the City of London
10th Percentile
£413
25th Percentile
£563
Median
£675
75th Percentile
£738
90th Percentile
£838