51 to 75 of 245 Contract Software Engineering Jobs

Java Software Engineer

Hiring Organisation
Certain Advantage
Location
Bristol, Avon, England, United Kingdom
Employment Type
Contractor
Contract Rate
£65.00 per hour, Inc benefits
World Class Defence Organisation is currently looking to recruit a Java Software Engineer subcontractor on an initial 12 month contract. Job Title: Java Software Engineer Rate: £65.00 per hour Location: Bristol Hybrid/Remote working: The role will be onsite – a compressed 4 day week (Monday to Thursday … quarter’ Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) Interview Process: One stage Video Interview Java Software Engineer Job Description: The team, at the Bristol facility, develop solutions for the next generation of Air Defence Systems; developing evolving products whilst maintaining ...

Senior Solution Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
Manchester, North West, United Kingdom
Employment Type
Contract
Contract Rate
From £450 to £500 per day
integration patterns and event-driven architecture. Experience working with messaging systems (RabbitMQ, Kafka, etc.). Good to Have Genuine advocate for modern high-quality software engineering practices. Customer-focused, driven to deliver experiences users will love, and keen to collaborate with product stakeholders across the business. Resilient, energetic ...

Full Stack Engineer Front-End Bias - Contract

Hiring Organisation
Sanderson
Location
Cambridge, Cambridgeshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £500 per day
React, Back-Desirable (C#, .net, node) Company: Global Fintech leader A leading global enterprise is seeking an experienced Full Stack Engineer to join their engineering team. You'll play a key role in designing, developing, and deploying high-quality software solutions used across a large-scale, mission-critical … Engineer. Proficiency in React for front-end development. Experience with at least one back-end technology: C#, .NET, or Node.js. Solid understanding of modern software engineering principles. Experience working in agile, collaborative environments. Ability to work on-site 2-3 days per week in Cambridgeshire/Leicestershire. Nice ...

Senior Software Engineer

Hiring Organisation
Randstad Digital
Location
Manchester, North West, United Kingdom
Employment Type
Contract
Contract Rate
£70 - £80 per hour
Senior Full Stack Engineer (Java 17, AWS, GraphQL) The Opportunity Join a global leader in the digital product space, building high-concurrency systems for millions of users. We are looking for a Senior Engineer to ...

FX e Trading Senior Full Stack Engineer (React TypeScript + Java)

Hiring Organisation
Atrium Workforce Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£759 - £900 per day
data visualization, and UX for trading workflows. Optimize latency, throughput, and reliability across the stack; instrument observability (metrics, tracing, logging) and performance profiling. Establish engineering best practices: code standards, testing strategies (unit/integration/E2E), CI/CD, secure coding, and release management. Mentor engineers through code reviews … oversight. Collaborate with stakeholders to translate trading requirements into robust technical designs; write clear specs and implementation plans. What we’re looking for Professional software engineering experience, with deep expertise in: Frontend: React, TypeScript, modern tooling (bundlers, linting, testing frameworks). Backend: Core Java, Spring Boot (or similar ...

Principal Developer / Architect

Hiring Organisation
IntaPeople
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 550 - 620 Daily
platform remains robust and fit for growth. You ll act as a hands on technical authority, defining architecture standards, validating solution designs, and guiding engineering teams toward scalable, secure, cloud native systems. Key Focus: Architecture leadership + AWS expertise What You ll Do Define and govern architecture, development … multiple products and teams. Improve system performance, reliability, scalability, and resilience. Lead data modelling and contribute to data architecture standards. Collaborate with senior architects, engineering leads, product teams, and external partners. Ensure designs meet SLAs, security, compliance, and operational requirements. What You ll Bring 8 10+ years in software ...

Principal Developer / Architect

Hiring Organisation
IntaPeople
Location
Remote, Sutton South, Greater London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £620/day
platform remains robust and fit for growth. You’ll act as a hands‑on technical authority, defining architecture standards, validating solution designs, and guiding engineering teams toward scalable, secure, cloud‑native systems. Key Focus: Architecture leadership + AWS expertise What You’ll Do Define and govern architecture, development … multiple products and teams. Improve system performance, reliability, scalability, and resilience. Lead data modelling and contribute to data architecture standards. Collaborate with senior architects, engineering leads, product teams, and external partners. Ensure designs meet SLAs, security, compliance, and operational requirements. What You’ll Bring 8–10+ years in software ...

Tech lead - AWS Connect AI - Luton, UK

Hiring Organisation
Infoplus Technologies UK Ltd
Location
Luton, Bedfordshire, South East, United Kingdom
Employment Type
Contract
features and emerging technologies in automation and AI, applying best practices to drive continuous improvement. Supervisory/Managerial responsibilities Bachelors degree in Computer Science, Engineering, or a related field, or equivalent practical experience. Proven experience in software engineering with a focus on automation and AI applications. Hands … code. Experience with cloud security and data governance. Core skills: Devops/Platform Team interaction models Product-aligned Team Structures SRE and platform engineering concepts ...

Azure AI Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £500 to £550 per day
Hybrid If Hybrid, how many days are required in office?: 3 days The Role In this role, the candidate will join a cutting-edge engineering team focused on designing and implementing enterprise-grade AI solutions using Azure AI Doc Intelligence, Azure OpenAI, and Azure AI Foundry. The position offers … scalable, and high-performing AI solutions, including document intelligence workflows, generative AI applications, and retrieval-augmented systems. This includes working on model orchestration, prompt engineering, document extraction pipelines, and system integrations with enterprise platforms such as CRM, ERP, and workflow automation tools. The role requires close collaboration with architects ...

Java Developer - AI/Modernisation Project

Hiring Organisation
Harvey Nash
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £575 per day
first - sought by trading company based in London - Contract (OUTSIDE IR35 - 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 ...

Golang Developer

Hiring Organisation
Salt
Location
East Sussex, South East, United Kingdom
Employment Type
Contract
Contract Rate
£320 - £325.00 per day + Inside IR35
looking for a high-calibre Golang Software Engineer (Contract) to join a modern, global Loyalty & Benefits platform powering end-to-end customer experiences at scale. This is a true microservices environment built with Golang, Kafka and Docker, offering the opportunity to shape high-impact features within the Account domain … while collaborating across a distributed engineering platform. If you thrive in Agile teams, love clean architecture, and care about quality engineering - this role is for you. What You'll Be Doing Building and enhancing features within a scalable microservices architecture Designing and developing REST and asynchronous messaging services ...

Lead / Senior Software Engineer - Java/Python/AWS - 12 Month Contract

Hiring Organisation
Morris Sinclair Recruitment
Location
Central London, West End, Greater London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £425/day
Lead/Senior Java/Python Engineers Big 4 Consultancy 12 month contract On site in London Location : London (5 days in office) Duration 12 months Key Skills Proficient in Java/Python concepts and ...

Senior Full Stack Engineer FX e Trading London

Hiring Organisation
Atrium Global
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £750 to £900 per day
data visualization, and UX for trading workflows. Optimize latency, throughput, and reliability across the stack; instrument observability (metrics, tracing, logging) and performance profiling. Establish engineering best practices: code standards, testing strategies (unit/integration/E2E), CI/CD, secure coding, and release management. Mentor engineers through code reviews … accelerates while maintaining human oversight. Collaborate with stakeholders to translate trading requirements into robust technical designs; write clear specs and implementation plans. Essential: Professional software engineering experience, with deep expertise in: Frontend: React, TypeScript, modern tooling (bundlers, linting, testing frameworks). Backend: Core Java, Spring Boot (or similar ...

Senior Full Stack Engineer – FX e-trading – Java / React

Hiring Organisation
Atrium Workforce Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£759 - £900 per day
data visualization, and UX for trading workflows. Optimize latency, throughput, and reliability across the stack; instrument observability (metrics, tracing, logging) and performance profiling. Establish engineering best practices: code standards, testing strategies (unit/integration/E2E), CI/CD, secure coding, and release management. Mentor engineers through code reviews … oversight. Collaborate with stakeholders to translate trading requirements into robust technical designs; write clear specs and implementation plans. What we’re looking for Professional software engineering experience, with deep expertise in: Frontend: React, TypeScript, modern tooling (bundlers, linting, testing frameworks). Backend: Core Java, Spring Boot (or similar ...

Senior Developer

Hiring Organisation
Summer Browning Associates
Location
Milton Keynes, Buckinghamshire, United Kingdom
Employment Type
Contract
Contract Rate
£NEG Excellent Day Rates
initial six-month assignment. Location: Milton Keynes Essential Skills: The ideal candidate will hold active SC Clearance and have a proven background in software engineering, demonstrating the following skills and experience: Proficiency in developing production-grade applications utilising Python. Experience in designing scalable backend services using Golang. Expertise ...

Software Engineer (III)

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£50 - £51 per hour
Adword Job Title: Software Engineer Location: London (hybrid from their Central St Giles office, 3 days onsite 2 remote) Job type: 06 months contract Job Description As a Software Engineer, you have influence well beyond yourself. You often own all aspects of your immediate area of software engineering work. You are distinguished by your ability to self-direct your technical contributions as well as plan and scope for a project. You act as a point of contact for your cross-functional partners. Faced with a problem, you will scope it, research possible solutions and technologies ...

Contract Golang Engineer

Hiring Organisation
Morson Edge
Location
Manchester, North West, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£450 - 500 per day
Outside IR35 - Fully Remote Morson Edge are seeking a skilled Golang Engineer to join a major replatforming and migration project focused on modernising existing software platforms and infrastructure. The role involves transforming legacy systems to be cloud-ready, enabling on-demand deployment and delivery through a Docker and Kubernetes … based stack. You will work closely with DevOps and infrastructure teams, combining software engineering expertise with a strong operational mindset. This is a high-impact role with a 9-month duration, after which you will support the handover and training of permanent engineers to ensure smooth knowledge transfer. ...

OpenShift Engineer (DV Cleared)

Hiring Organisation
Experis
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £700 per day
client, a global organisation, urgently require an experienced Software Engineer to undertake a long term contract, starting immediately. In order to be successful, you will have the following experience: Expert level experience with Red Hat OpenShift , including cluster administration and application Strong software engineering background (Python, Java … Clearance is essential - the role cannot be carried out without this Within this role, you will be responsible for: Design, develop and deploy software solutions within secure OpenShift environments Build and maintain CI/CD pipelines compatible with restricted networks Engineer containerised applications using best practices for security, scalability ...

Embedded Ada Software Engineer

Hiring Organisation
Certain Advantage
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Contract
Contract Rate
£68 per hour, Benefits Overtime Rate
World Class Defence Organisation based in Bristol is currently looking to recruit 2x Embedded ADA Software Engineer subcontractors on an initial 12 month contract. The role will likely be required to be onsite, but it can be worked on a 4-day week basis. Essential - ADA, Background in safety … Hourly Rate: £68.00ph (Umbrella). Overtime rate: Hours worked over 37 hours per week will be calculated at time and a quarter Embedded ADA Software Engineer Job Description: We work on technology that is at the forefront of European missile system design, delivering safe, secure, and reliable products ...

Java Developer - Farnborough

Hiring Organisation
FDM Group
Location
Farnborough, Hampshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£50,000 - £75,000 per annum
developing robust, scalable backend systems that support mission-critical applications. You will work within a fast-paced Agile environment, designing and delivering high-quality software that has real impact. This role offers the opportunity to contribute to technical design, development, and testing practices while mentoring junior team members … helping to shape the engineering culture. You will help deliver secure, reliable, and scalable systems that support business objectives and improve customer experience. Responsibilities Analyse, design, develop, test, and deploy new features and user stories with a focus on high standards for security, reliability, and performance Collaborate with product ...

AI Engineer

Hiring Organisation
Infoplus Technologies UK Ltd
Location
London, United Kingdom
Employment Type
Contract
Role: Gen AI Engineer Location: London, UK Duration: Contract Job Description: Your Profile Essential skills/knowledge/experience: Higher degree (PhD preferred) in Engineering, Statistics, Data Science, Applied Mathematics, Computer Science, Physics, Bioinformatics, or related field. 5+ years in at least 2 AI domains: NLP, NLG, Computer Vision … Azure AI services, App Insights, and Azure OpenAI. Extensive knowledge of LLM Python libraries: langchain, langGraph, promptflow, semantic kernel, Autogen, graphRag, promptflow Good software engineering background, (developing application, API, frontend integration, security best practices, experience with fastAPI, Asyncio is a plus). Strong experience with Gen AI model ...

Python / PySpark Scala Developer

Hiring Organisation
Stackstudio Digital Ltd
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Contract
Contract Rate
From £500 to £550 per day
Developer Location: Glasgow (5 days onsite) Special Working Conditions (travel, on call etc.): 5 days onsite Glasgow city center Overview As a Python Lead Software Engineer With TATA Consultancy Services , you will play a crucial role in an agile team, focusing on the enhancement, construction, and delivery … tier technology products in a secure, stable, and scalable manner. Key Responsibilities (Up to 10, Avoid repetition) Formal training or certification on software engineering concepts and advanced applied experience Advanced in Python & PySpark or Scala Experience in API development and exposure to Python Application development Hands-on practical ...

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 ...

SC Cleared Java Developer

Hiring Organisation
Lorien
Location
Bristol, Somerset, United Kingdom
Employment Type
Contract
Contract Rate
GBP 65 Hourly
Cleared Java Software Engineer Location: Bristol - Onsite 5 days a week Contract: 12 months (likely to be extended) Rate: £65 per hour (via Umbrella) Security Clearance: SC required to start About the Role Join our dynamic team at our Bristol facility, where we develop cutting-edge solutions for next … while maintaining our reputation for safety, performance, and dependability. This is a hands-on role requiring proactive design and development of new and evolving software tools and architectures for future products. Key Responsibilities Design and develop software tools and architectures for Air Defence Systems. Work across the entire ...

Appivate Mobile Engineer iOS

Hiring Organisation
Randstad Digital
Location
High Wycombe, Buckinghamshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£350 - £372 per day
Lead iOS Engineer (Custom Software) Mode: Hybrid (minimum 20% onsite). Office Location: Stokenchurch. Contract Duration: 3 Months (Initial). Active SC Clearance is mandatory Role Overview: We are seeking an expert-level (P4) Custom Software Engineer to join a critical project within the Public Sector. This role … team decisions and providing solutions to complex problems across multiple workstreams. Quality Assurance: Conduct rigorous code reviews and provide constructive feedback to maintain high engineering standards. Collaboration: Work closely with cross-functional teams to deliver innovative software that meets specific user requirements. Mentorship: Foster a culture of continuous ...