1 to 25 of 60 Contract Software Engineering Jobs in the South East

Head of Data

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £700 per day
Interim Head of Software & Data Engineering - Contract (1 Day per Month) Location: Midlands-based (Stratford-upon-Avon preferred) Working Pattern: 1 day per month - 3 month contract Contract: Inside IR35 Day Rate: Flexible to a max of £700 We are supporting a Midlands-based organisation in securing … Interim Head of Software & Data Engineering to provide strategic oversight and leadership across both software engineering and data capabilities. This is a light-touch advisory engagement (1 day per month), focused on leadership, direction-setting, and challenge at a senior level rather than ...

Digital Systems Engineer

Hiring Organisation
First Technical Recruitment
Location
Abingdon, Oxfordshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Digital Systems Engineer Contract Role | 12 Months | Hybrid Working Role Overview We are seeking an experienced Digital Systems Engineer to provide professional Systems Engineering support across complex digital, data, and software-driven engineering programmes. This role focuses on systems engineering for information management and digital systems … requirements definition and concept development through implementation, integration, verification, and operational support. The successful candidate will play a key role in ensuring robust systems engineering practices are applied across digital and software solutions, supporting the delivery of assured, compliant, and validated systems within a highly regulated engineering ...

UI React JS Developer- INSIDE IR35

Hiring Organisation
Intuition IT Solutions Ltd
Location
Burgess Hill, Sussex, United Kingdom
Employment Type
Contract
Contract Rate
GBP 225 Daily
seeking two experienced UI React JS Developers to join a high-performing engineering team delivering modern, data-driven web applications. This role offers the opportunity to work on large-scale products, collaborating closely with distributed teams in an agile environment. Key Responsibilities Develop and maintain responsive web applications using … code. Work closely with architects, product owners, and cross-functional teams to translate requirements into technical solutions. Participate in code reviews and contribute to engineering best practices. Support application quality, security, and compliance requirements. Collaborate with geographically distributed engineering teams. Required Skills & Experience 5-8 years of software ...

Software engineer Test Systems

Hiring Organisation
Morson Edge
Location
Rochester, Kent, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£53.90 - 53.90 per hour + Inside IR35
unless required on site) As part of the Test Systems team at BAE Systems Rochester, you will be working on active projects developing application software used to test and simulate various avionic systems. Test Systems provides equipment used to develop and test components such as Head-Up Displays, mission … flight control computers, and flight controls. You will have some expeience of the software engineering lifecycle, from requirements analysis, design methods/activities, verification, through to formal release and configuration. Existing programming language knowledge such as LabVIEW, TestStand, C++, Python, and C# are deseriable and your skills ...

Senior Engineering Manager

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Senior Engineering Manager (AI) Growing people, teams, and modern engineering capability in an AI-enabled world We're looking for a Senior Engineering Manager (AI) to support, grow, and enable high-performing engineering teams , with a strong focus on AI-assisted development, engineering acceleration … modern ways of working . This is a senior, people-focused leadership role for someone who brings deep credibility from a software engineering background and is ready to lead through coaching, influence, and judgement rather than hands-on delivery. You'll play a key role in shaping ...

Senior AI Engineer

Hiring Organisation
Robert Walters
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Senior AI Engineer to design, build and run cutting-edge AI-enabled applications that drive real organisational impact. This is a hands-on engineering role focused on applying advanced AI (especially large language models) in live services-rather than developing new algorithms from scratch. Contract Senior AI Engineer/… Senior AI Engineer to design, build and run cutting-edge AI-enabled applications that drive real organisational impact. This is a hands-on engineering role focused on applying advanced AI (especially large language models) in live services-rather than developing new algorithms from scratch. You'll work ...

InterPro/Pfam Software Project Leader

Hiring Organisation
EMBL-EBI
Location
Saffron Walden, Essex, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£75,000
About the team In your role, you will lead the software development team responsible for the Pfam and InterPro databases. These are two of the worlds most widely used protein family and domain annotation resources, serving thousands of users globally. Reporting to the Head of the Protein Families Group … EMBL-EBI, this role sits at the intersection of cutting-edge bioinformatics and modern software engineering. The team currently comprises of several software developers and engineers. We are seeking to hire an InterPro/Pfam Software Project leader to lead a cultural and technical shift towards ...

Senior ML Platform Engineer - Robotics

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £750 per day
company that is looking for a Senior ML Platform Engineer to join their team in London. This is a hands-on platform engineering role, focused on owning the software, tooling, web UI, and infrastructure layer used by data operators, ML engineers, and robotics engineers. You will be responsible … hardware-adjacent platform tooling* Improve testing, CI, observability, reliability, and performance across concurrent and IO-heavy systems Essential Skills You must have: * Senior-level software engineering experience, ideally 5+ years* Strong production Python experience* Experience with typing, async/await, threading, multiprocessing, and concurrent workloads* FastAPI or another ...

Senior AI DevOps Engineer

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Senior AI-Enabled DevOps Engineer Build and operate modern software systems where AI meets production reality We're looking for a Senior AI-Enabled DevOps Engineer to join a growing engineering capability working on complex, important software systems that increasingly embed AI to improve delivery, decision-making … operational effectiveness . This is a hands-on senior engineering role for someone who enjoys operating across software development, DevOps, and modern cloud platforms . You won't be a people manager, but you will be a trusted senior engineer, shaping technical approaches, raising engineering standards ...

Software Engineer C++

Hiring Organisation
Carbon60 - Eng&Tech
Location
Stevenage, Hertfordshire, South East, United Kingdom
Employment Type
Contract
working with a leading engineering and technology organisation within the defence sector, currently looking for a Senior Software Engineer to join a highly skilled team developing advanced test software for complex systems. This is a fantastic opportunity to work on cutting-edge technology in an environment that … combines software engineering, automation, electronics and innovation. The Role You'll be responsible for designing and developing software used within advanced test equipment systems, supporting products from early concept through to production. Working closely with multidisciplinary engineering teams, you'll help deliver high-quality software ...

C / C++ Software Engineer

Hiring Organisation
Certain Advantage
Location
Stevenage, Hertfordshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£65 per hour, Benefits Overtime Rate
World Class Defence Organisation based in Stevenage is currently looking to recruit 2x Software Engineer subcontractors on an initial 12 month contract, with very likely extension. The role will be onsite 4 days per week. A 4 day working week is OK (Monday to Thursday). Rate: £65.00 … collaborative and close-knit culture, we support each other to search for better. You will be responsible for designing and developing Test equipment software to test the world leading and Complex missile systems and sub-components. Responsibilities: Designing and developing Test Equipment software to test world leading complex ...

Lead AI DevOps Engineer

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Lead AI-Enabled DevOps Engineer Technical leadership at the intersection of software, platforms, and AI We're seeking a Lead AI-Enabled DevOps Engineer to join a growing engineering capability and play a central role in shaping how AI is embedded into real, production-grade software systems … through technical depth, architectural judgement, and delivery experience by setting direction, guiding teams, and making informed decisions as AI capabilities are integrated into modern software platforms. If you enjoy working where architecture, APIs, DevOps, and AI meet , and you care about building systems that are secure, operable, and genuinely ...

AI Consultant

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
ensure interactions are aligned with intended objectives and outcomes. Support end-to-end automation initiatives, including lease-to-lease process automation. Collaborate with engineering teams to integrate AI capabilities into existing platforms and workflows. Contribute to the ongoing evolution of the organisation's AI roadmap and identify opportunities … where priorities may evolve as initiatives develop. Profile The AI Consultant will have proven experience delivering AI solutions within enterprise environments. Strong background in software engineering, with the ability to work hands-on throughout the development lifecycle. Experience building and deploying AI agents into production environments. Extensive experience ...

Protocol Analyst/ Software Developer

Hiring Organisation
We Are Fr Group
Location
Romsey, Hampshire, South East, United Kingdom
Employment Type
Contract
Protocol Analyst/Software Developer Location: Romsey Rate: Excellent day rate IR35: Inside IR35 Clearance: Active transferable UK*C DV clearance required The Opportunity This is the kind of role that tends to appeal to engineers and analysts who enjoy operating close to difficult technical problems inside genuinely secure … operational environments. The work sits within high-side National Security programmes where teams support complex communications, protocol and software capability across sensitive operational systems. Engineers here are typically trusted with broad technical ownership and are given the space to contribute across analysis, development and wider engineering discussions rather ...

Lead Software Engineer

Hiring Organisation
InvitISE Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£750 per day
looking for a Lead Software Engineer for a public sector organisation based in London, Manchester, Birmingham, Cardiff or the North East (hybrid) on an initial 12-month contract, paying up to £750 per day (Inside IR35, Umbrella). There is an expectation to attend the office … week across one of the listed locations. The successful Lead Software Engineer will lead the design, development, and delivery of scalable, secure software solutions within a government-focused environment, contributing to services that support the regulation of controlled goods and exports. Working across four Agile squads ...

Software Architect

Hiring Organisation
X4 Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Competitive salary
Hands-On Software Architect (Contract) | Outside IR35 London or Dublin | Hybrid (2-3 Days Onsite per Week)Initial 3-6 Month ContractCompetitive Day Rate | Outside IR35Immediate Start A leading consultancy is seeking a Hands-On Software Architect to support the delivery of a strategic integration platform on behalf … highly technical architecture role suited to someone who enjoys remaining close to the code. You will be responsible for defining the technical architecture, establishing engineering standards and patterns, and working closely with development teams to deliver a modern, scalable integration platform within a complex enterprise environment. Working within ...

Lead Software Engineer

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£750 per day
Lead Software Engineer London, Manchester, Birmingham, Cardiff or Northeast (Darlington) Role Overview: We are seeking an experienced Lead Software Engineer for a leading public sector organisation to support the design, development, and continuous improvement of secure, user-centred digital services. Working within a large-scale Agile environment … will be responsible for designing, building, and maintaining scalable software solutions using Python and Django, while providing technical leadership across multidisciplinary teams. This is an excellent opportunity for a senior engineer to take ownership of complex systems, contribute to end-to-end architecture and delivery, and play ...

Backend Developer

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
talented Backend Developer who enjoys solving complex technical problems and is comfortable working across multiple programming languages and technologies. This is a generalist engineering role suited to someone who values adaptability, enjoys learning new tools, and can contribute across a variety of backend systems and services. You'll work … issues and participate in incident response when required. Work with cloud infrastructure, databases, and CI/CD pipelines. Review code, mentor teammates, and promote engineering best practices. Profile The Backend Developer will have strong software engineering fundamentals, including data structures, algorithms, and system design. Professional experience building ...

Golang Developer

Hiring Organisation
Hirexa Solutions UK
Location
West Sussex, England, United Kingdom
Employment Type
Contractor
Contract Rate
£280 - £300 per day
irtusa is looking for an experienced Golang Developer with 5–8 years of overall software development experience, including strong expertise in Go (Golang). The ideal candidate will be responsible for designing, developing, and maintaining high-performance, scalable backend applications and microservices. This role requires hands-on experience with … distributed systems, REST APIs, cloud technologies, and modern software engineering practices. Key Responsibilities Design, develop, and maintain backend services and microservices using Golang. Build scalable, high-performance applications for enterprise environments. Develop and consume RESTful APIs and integrate with third-party systems. Write clean, maintainable, and testable code ...

Senior Python Engineer (Django / DevOps / IaC)

Hiring Organisation
Pontoon
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£850 per day
secure new technologies that enable our business to have a superior focus on serving our customers, communities, and planet. As part of our Security Engineering Platforms team, we build and operate centralised security tooling that enables thousands of developers to ship secure software by default, at scale. … seeking a skilled Python Developer to join our engineering team. You will be responsible for building robust, secure, and scalable services that automate security testing at scale using Django and related technologies. Beyond coding, you'll actively engage in architecture discussions, security implementations, CI/CD pipeline development ...

Senior Gen AI Developer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £700 per day
Engineers, Platform Engineers, Product, Architecture and Business Delivery teams to turn business problems into robust AI-powered applications. The role would suit a strong software engineer with hands-on experience building cloud-native applications, embedding AI capabilities into production systems, and taking ownership across the full delivery lifecycle. … applications* Own end-to-end delivery, including development, CI/CD, deployment, monitoring and incident resolution* Build API-led, cloud-native solutions with strong engineering standards* Implement observability, logging, metrics and alerting for live production workloads* Work closely with product, platform, architecture and business teams to deliver high-impact ...

Software Engineer - SC

Hiring Organisation
CBS Butler
Location
Romsey, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 55,000 - 60,000 Annual
Software Engineer Hybrid - 2 days per week onsite in either Romsey/Gloucester/Woking Up to £60,000 per annum + benefits SC clearance We are looking for a talented Software Engineer to join a cutting-edge team developing software for RF communication and sensor-based … products. You'll play a key role in the design, implementation, and testing of product software, working closely within an agile team alongside the Product Owner and System Design Authority. This is a flexible role where you can focus on either modern UI development or Embedded software, depending ...

Lead Software Engineer - Python (Django) - SC Cleared

Hiring Organisation
Involved Solutions
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£700 - £750 per day
Lead Software Engineer - Python (Django) - SC Cleared - Contract Rate : Up to £750 per day (Umbrella) Duration : 12 months Location : 40% office based (London, Manchester, Birmingham, Cardiff, North East) IR35 : Inside Security Clearance : SC (essential) The role :A government organisation is seeking a Senior/Lead Software Engineer … services (performance, stability, reliability) Collaborate across multidisciplinary agile teams (BA, UCD, Engineers) Contribute to system design, integration, and architecture decisions Drive continuous improvement in engineering practices and delivery Skills & Experience : Strong Python and Django development experience (essential) Proven system design and architecture capability Experience working in agile, multidisciplinary teams ...

Full Stack Developer

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
functional teams to identify and implement features required to support evolving business needs. Profile The Full Stack Developer will have 5+ years of professional software engineering experience, with a strong focus on backend development. Bachelor's or Master's degree in Computer Science, Engineering, or a related ...

Full Stack AI Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £600 per day
services through an internal platform. Technology teams work closely with product, architecture, and delivery stakeholders to solve meaningful, real-world problems. The environment values engineering quality, collaboration, and accountability for outcomes. The Role and Deliverables Design, build, and maintain production-grade AI-enabled applications consuming standardised GenAI services such … testing, security controls, and infrastructure as code. Implement observability, logging, metrics, and alerting to support live production workloads. Your Skills & Experience Strong experience in software engineering, delivering complex distributed or microservice-based systems. Proven capability building and operating production applications with embedded AI or machine learning features. Strong ...