1 to 25 of 58 Contract Software Engineering Jobs in London

TA Partner

Hiring Organisation
Oakleaf Partnership
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Software Engineering Talent Acquisition Partner 6-Month Fixed Term Contract - West London (Hybrid) I am working with a well-known, large UK high-street retailer that is experiencing significant growth and transformation across its technology function. They have an urgent requirement for two experienced Software Engineering … Acquisition Partners to join their team on a 6-month FTC starting in January. This is a high-impact role, partnering closely with senior engineering and technology stakeholders to deliver hiring at scale within a complex, enterprise environment. Key Details Contract: 6-month Fixed Term Contract (starting January) Salary ...

Data Reporting engineer Python/.Net UK/Remote

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£350.00 - £400.00 per hour
currently working with a consulting client looking for a contract Fullstack Data reporting engineer and Python software developer. Fullstack Data reporting engineer (Python/.Net) - Contract: Required Skillset: 5+ years Software engineering experience C# Full Stack .NET development SQL Server & SQL Server Reporting Services Python for data … engineering and Power BI Strong SQL knowledge Git/GitHub React/Javascript Experience within NHS or Healthcare sector is a must have Python software developer - Contract: Required Skillset: 5+ years Software engineering experience with Python as the primary backend language, with support for Java ...

Senior ML Infrastructure Engineer Robotics

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £1,000 per day
Infrastructure Engineer (Robotics) LondonContract, Outside IR35£600-1000 per dayPrimarily onsite Overview We are partnering with a robotics and AI company building the core software infrastructure that enables advanced AI models to operate reliably in real-world robotic systems. They are looking for a Senior ML Infrastructure Engineer … design, build, and optimise the training and inference platforms at the heart of their technology. This is a hands-on engineering role focused on scale, performance, and reliability. You will work across the full machine learning lifecycle, from distributed training pipelines to highly optimised inference systems deployed into production ...

Agentic AI Technical Lead

Hiring Organisation
Computer Futures
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£550/day
Factory. Deep technical understanding of GenAI tools, such as GPT models, and Agentic AI frameworks, such as Langgraph & Langchain, required. Strong full stack/software engineering skills also preferable. To provide technical leadership for a team of ~15 Capgemini Invent technical developers across data science, software engineering ...

Senior Product Manager - Insurance / PAS - OUTSIDE IR35

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
customer and sales advisor experience Assess the customer and sales advisor experience in identifying requirements that will be translated into the streamlined backlog for software delivery Voice of the advisor: Translates advisor pain-points into tech delivery to ensure seamless workflow for advisors across the branches Lead workstreams … sales plans Collaborate with cross functional teams to define product requirements, user stories and user flows. Ensure a user/customer centric approach to software development Key Skills Knowledge and strong experience in the multi-channel digital experience space Extensive experience in a product management role Experience of product ...

Senior Go Developer

Hiring Organisation
Fruition Group
Location
London, United Kingdom
Employment Type
Contract
Senior Go Developer London, UK 6 Month Contract An incredible opportunity for an experienced Senior Go Developer with strong backend engineering skills to join a prestigious tech client on a contract basis. Known for its high bar for engineering quality, this isn't your typical banking or fintech … design and implementation to optimisation and release. You'll be working in an open, fast-moving environment where ideas get tested quickly and good engineering practices are taken seriously. If you like seeing your work go live within days - not weeks - you'll fit right in. Contractors are treated ...

Java Developer - AI/LLM

Hiring Organisation
Harvey Nash
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£500 - £700 per day
Developer - AI/LLM - sought by trading company based in London - Contract (Remote option available for outstanding candidates) What We're Looking For Backend Engineering Expertise 8+ years of software engineering experience with strong Java backend skills. Proven track record in modernising production systems and designing APIs … GitHub Copilot) and Model Context Protocol (MCP). Experience integrating AI into CI/CD pipelines and building AI-powered automation. Knowledge of prompt engineering, model selection, and LLM capabilities. Proven AI Impact Demonstrated success in using AI to improve productivity and code quality. Experience with AI-assisted refactoring ...

Java Developer - AI/LLM

Hiring Organisation
Harvey Nash
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £700 per day
Developer - AI/LLM - sought by trading company based in London - Contract (Remote option available for outstanding candidates) What We're Looking For Backend Engineering Expertise 8+ years of software engineering experience with strong Java backend skills. Proven track record in modernising production systems and designing APIs … GitHub Copilot) and Model Context Protocol (MCP). Experience integrating AI into CI/CD pipelines and building AI-powered automation. Knowledge of prompt engineering, model selection, and LLM capabilities. Proven AI Impact Demonstrated success in using AI to improve productivity and code quality. Experience with AI-assisted refactoring ...

Site Reliability Engineer

Hiring Organisation
JAM Recruitment Ltd
Location
South West London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550 per day + Umbrella, inside IR35
ensuring performance, availability, and scalability-while driving continuous improvement and innovation. About the Role As an SRE, you'll combine your operational expertise with software engineering skills to minimise manual effort and drive automation across complex systems. This role is perfect for someone who thrives on solving hard … interested in your curiosity, enthusiasm, and problem-solving ability than ticking every box. However, experience in any of the following areas would be advantageous: Software development in web technologies or OOP (e.g., Python, Java, etc.) Database tech: Oracle SQL, PostgreSQL, MongoDB Proficient with Linux/Windows command line (Bash ...

Senior Go Developer

Hiring Organisation
Fruition Group
Location
London, United Kingdom
Employment Type
Contract, Work From Home
opportunity for a highly skilled Senior Go Developer to join a leading technology business on a contract basis. This organisation is recognised for its engineering excellence and is seeking a Senior Go Developer to help scale distributed systems and deliver high-performance solutions. In this role, the Senior … Developer will design, develop, and implement data-intensive applications across the full engineering lifecycle. You'll architect and deliver microservices-based systems using Go (Golang), AWS, Kubernetes, Docker, and Kafka, working closely with cross-functional teams to build scalable, reliable, and resilient platforms. You'll also play ...

Java Developer - AI/LLM

Hiring Organisation
Harvey Nash
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 - 700 Daily
Developer - AI/LLM - sought by trading company based in London - Contract (Remote option available for outstanding candidates) What We're Looking For Backend Engineering Expertise 8+ years of software engineering experience with strong Java backend skills click apply for full job details ...

Integration Engineer

Hiring Organisation
JAM Recruitment Ltd
Location
New Malden, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£60.00 - £67.70 per hour
expertise to members of other teams Provision of support and oversight for the work of other team members Design solutions for deploying and configuring software and systems Develop and maintain software relating to automation of system build and deployment Perform investigations and identify appropriate solutions to emerging issues … Keep up to date in relevant technologies The Candidate Essential: Experience of working with large complex systems, ideally in the naval sector Background in software engineering PowerShell or C# VM Ware and virtualisation techniques Desirable: Techniques for automation of installation and deployment software Experience of strong configuration ...

ServiceNow Developer - 12 month contract

Hiring Organisation
Opus Recruitment Solutions
Location
London, United Kingdom
Employment Type
Contract
type of clearance previously that is an extra bonus. Role Requirements: JavaScript ServiceNow experience Experience with automation CI/CD pipeline Bonus: Degree in Software Engineering related field If you are interested in this role, please apply or email your latest CV to (url removed) ASAP! Please note ...

ServiceNow Developer - 12 month contract

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
type of clearance previously that is an extra bonus. Role Requirements: JavaScript ServiceNow experience Experience with automation CI/CD pipeline Bonus: Degree in Software Engineering related field If you are interested in this role, please apply or email your latest CV to ASAP!Please note that ...

Machine Learning Engineer

Hiring Organisation
mthree
Location
EC4M, Old Bailey, Greater London, United Kingdom
Employment Type
Permanent, Contract
GANs, VAEs, Diffusion models) Programming & Tools : Expert-level Python programming Proficiency with ML frameworks (PyTorch, TensorFlow, JAX) Experience with scikit-learn, XGBoost, LightGBM Strong software engineering practices and clean code principles Data & Computing : Experience with big data technologies (Spark, Dask) SQL and NoSQL databases Cloud platforms ...

Technical Architect - SC Cleared

Hiring Organisation
LA International Computer Consultants Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
support long-term digital transformation. Skills and experience required: * Significant experience as a technical or solution architect in complex digital or enterprise environments. * Strong software engineering foundation, with practical knowledge of modern application architectures (eg, microservices, APIs, distributed systems). * Proven ability to design and document architectures using ...

Back End Integration Engineer

Hiring Organisation
VIQU IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - 500 per day + Inside IR35
development (e.g. C#, Python) with a strong focus on secure coding practices. Hands-on experience with CI/CD pipelines, automated testing and modern software engineering practices. Strong analytical and problem-solving skills, with the ability to work effectively across technical and business teams. Good understanding of data ...

Back End Integration Engineer

Hiring Organisation
VIQU IT
Location
London, Broad Street, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £500/day Inside IR35
development (e.g. C#, Python) with a strong focus on secure coding practices. Hands-on experience with CI/CD pipelines, automated testing and modern software engineering practices. Strong analytical and problem-solving skills, with the ability to work effectively across technical and business teams. Good understanding of data ...

Back End Integration Engineer

Hiring Organisation
VIQU IT Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £500 per day
development (e.g. C#, Python) with a strong focus on secure coding practices. Hands-on experience with CI/CD pipelines, automated testing and modern software engineering practices. Strong analytical and problem-solving skills, with the ability to work effectively across technical and business teams. Good understanding of data ...

Principal Engineer - AI & Data Platforms

Hiring Organisation
ARM
Location
Hounslow, London, Heathrow Villages, United Kingdom
Employment Type
Contract
international organisation in the aviation sector is seeking a Principal Engineer to lead the design and delivery of enterprise-scale engineering solutions supporting AI-driven platforms. This is a senior, hands-on role embedded within a major airline environment, with responsibility for setting technical direction and ensuring solutions scale … operating companies. Role Overview You will define and drive end-to-end architecture for AI-enabled systems, contributing directly to production code while establishing engineering standards across squads. The role requires consultancy-level technical depth, strong delivery discipline, and the ability to translate complex operational needs into scalable, enterprise ...

Principal Engineer - AI & Data Platforms

Hiring Organisation
Advanced Resource Managers Limited
Location
London Heathrow Airport, Hounslow, Middlesex, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
international organisation in the aviation sector is seeking a Principal Engineer to lead the design and delivery of enterprise-scale engineering solutions supporting AI-driven platforms. This is a senior, hands-on role embedded within a major airline environment, with responsibility for setting technical direction and ensuring solutions scale … operating companies. Role Overview You will define and drive end-to-end architecture for AI-enabled systems, contributing directly to production code while establishing engineering standards across squads. The role requires consultancy-level technical depth, strong delivery discipline, and the ability to translate complex operational needs into scalable, enterprise ...

Senior Software Engineer

Hiring Organisation
Morson Edge
Location
New Malden, London, United Kingdom
Employment Type
Contract
Contract Rate
£50.17 - 67.70 per hour
Software Engineer – Contract – 6 Months About You: As an experienced Software Engineer, your skills and experience will include; - Strong software skills, particularly agile/DevSecOps methodologies; knowledge of Terraform, Helm, Python preferred - Contribute to a continuous learning and feedback process in relation to the DevSecOps approach - Participate … cloud technologies such as Microsoft Azure - Experience of CI and automated testing - Experience of virtualisation and containerisation - Familiarity with using and integrating 3rd party software technologies About Your Role: As the Software Engineer, your role will include; - Work in an Agile team supporting the Scrum Master and Product ...

Software Engineer (AI Agent Developer)

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £750 per day
AI Engineer (Java, Golang) 6 Months Contract Inside IR35 Pay rate- 600- 750 GBP per day Inside IR35 Work mode- Remote We are looking for a passionate (Backend Engineer | AI Engineer | AI Agent Developer) to ...

Engineering Project Manager

Hiring Organisation
Teksystems
Location
London, United Kingdom
Employment Type
Contract
cross-functional teams to implement data solutions using AWS and Data Lakes. Coordinate the integration of message bus systems into existing data infrastructures. Oversee software engineering projects with a focus on artificial intelligence and machine learning. Ensure timely delivery of projects within budget and scope. Essential Skills Proven … experience in project management. Proficiency in AWS and Data Lakes. Understanding of message bus systems. Strong background in software engineering. experience with artificial intelligence and machine learning. Additional Skills & Qualifications Familiarity with advanced data capabilities. Excellent communication and leadership skills. Ability to work collaboratively in a team environment. ...

Python Engineer Financial Services (Contract, Remote)

Hiring Organisation
Alexander Ash Consulting Limited
Location
North London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£460 per day PAYE £420-460/day (cf. £550 umbrella / £95,000-£100,000 y
middle and back-office systems projects, building enterprise-grade production systems and data pipelines, principally in Python. 5+ years of experience in commercial software engineering 3+ years in Python developing enterprise production-grade applications/systems Strong understanding of data structures and modern data architecture Basic understanding ...