Contract Software Engineering Jobs in the South East

1 to 25 of 49 Contract Software Engineering Jobs in the South East

Test Systems Engineer

Luton, Bedfordshire, South East, United Kingdom
Quest Global Engineering Limited
main equipment LRI . Generate test plans & test documentation to undertake Design Verification testing . Planning/preparation for TE development, including test hardware (custom/COTS), tools & test software . Produce TE requirement specifications (i.e. test hardware and test software requirements ). Produce detailed TE design documentation , including drawings , BOM s, etc. Liaise with TE software engineer (s) to ensure TE software solution is delivered . Propose and see through to conclusion, any TE design changes/improvements required to meet test requirements. Undertake/support Safety & Cyber security analysis of DVT system. Produce required documentation for each stage of the TE development process . Prepare and present design data , status , risks , etc.. at … TE design reviews & ensure completion of actions . Release drawings , BOM s, etc.. for TE hardware and documentation ( VDD s, SRN s, etc..) for test software on customer s PDM system . Undertake/oversee qualification of TE solution and produce Qualification/acceptance test report . Produce user documentation for DVT system . Support initial Design Verification testing More ❯
Employment Type: Contract
Rate: From £50 to £65 per hour Depending on the experience level
Posted:

Analytics Engineer

London, South East, England, United Kingdom
Hybrid / WFH Options
Tenth Revolution Group
data-driven decision-making. Key Responsibilities Design and build data products, with proficiency throughout the data lifecycle. Develop robust data models through close collaboration with business users and the engineering team. Partner with senior management, operational leads, and other stakeholders, coaching and supporting a data-driven culture, including KPI definition and reporting frameworks. Accountable for data extraction, transforming JSON … enable data-driven decision-making Ensure data quality and accuracy by implementing data validation, monitoring, and error-handling processes. Requirements At least 8 years' experience in data analytics, data engineering, software engineering, or a similar role Expertise in developing best practices for data engineering and analytics with a strong background in data modelling including indexing strategies. More ❯
Employment Type: Contractor
Rate: £300 - £350 per day
Posted:

Data Scientist- £450PD- Hybrid

London, South East, England, United Kingdom
Hybrid / WFH Options
Tenth Revolution Group
value.* Contributing to projects such as developing a digital high net worth insurance offering and/or creating a portfolio analysis tool. Responsibilities: * Participate in different phases of the software development lifecycle (SDLC) across multiple projects.* Design technical solutions and produce supporting documentation in line with internal delivery frameworks.* Comply with and help enforce design, coding, and testing standards … policies, and software engineering best practices.* Collaborate with testing teams during product test and UAT phases to resolve assigned defects.* Support code deployment and release processes across environments.* Report status, issues, and risks to technical leads regularly.* Troubleshoot and resolve issues arising during daily operations, providing timely solutions as required.* Enhance technical and software engineering skills More ❯
Employment Type: Contractor
Rate: £400 - £475 per day
Posted:

Unix Systems Specialist

Abingdon, Oxfordshire, South East, United Kingdom
Rullion Limited
of sustainable fusion energy and maximise scientific and economic impact. The Computing Division underpins this mission by delivering secure, scalable, and innovative digital solutions across scientific computing, modelling, simulation, software engineering, business systems, data acquisition, and core IT services. Within the Computing Division, the Enterprise Infrastructure Solutions unit is responsible for the design, delivery, and management of centrally … supported IT infrastructure and applications. This includes enterprise compute platforms, data networks, UNIX/Linux/Windows environments, cloud services, data centres, commercial software solutions, Cyber Security and end-user support across all UKAEA sites. The UNIX Systems Group sits within the Enterprise Infrastructure Solutions Unit in the Computing Division and is Responsible for the technical design integration, smooth … and file servers o Good understanding of networking o A knowledge of current techniques and trends in Linux systems and IT in general (e.g. cloud computing) o Experience with software engineering processes and best practices o Experience supporting assurance activities or government-mandated reviews o Strong stakeholder engagement and communication skills with an ability to produce technical reports More ❯
Employment Type: Contract
Posted:

Embedded C Software Engineer

Stevenage, Hertfordshire, South East, United Kingdom
Morson Talent
Embedded C Software Engineer Location: Stevenage Contract: 6-Month Contract (Likely Extension) Rate: £51.98/hour PAYE (£59.54/hour incl. holiday) or £68/hour Umbrella We seek an engineer who has worked in a military/defence environment/industry within the last 12 months or who is capable of obtaining security clearance (SC level minimum) Overview … This engineering role focuses on the development and implementation of embedded C software solutions for real-time systems. The successful candidate will work on-site within a collaborative engineering environment, contributing to the design and programming of embedded systems operating on bare-metal and real-time operating systems. Key Responsibilities Design and develop embedded software using … C for real-time applications. Implement and debug bare-metal software solutions. Develop software within real-time operating systems such as FreeRTOS. Apply UML methodologies for structured software design. Manage and trace software requirements using DOORS. Support testing, integration, and validation of embedded software. Collaborate with multidisciplinary engineering teams throughout the software lifecycle. Ensure More ❯
Employment Type: Contract
Posted:

Robotics Systems Software Engineer

London, South East, England, United Kingdom
Harnham - Data & Analytics Recruitment
Software Engineer - Robotics Systems Job Experience Contract Details : £500-800 Per Day, 6-month contract, outside IR35, hybrid (2-3 days/week in London). Role Overview: Develop and integrate robotic software systems, focusing on production-level coding and sensor integration in an Agile environment within an exciting start-up. Required Experience - Jira, Python, Docker, ROS2, C++ … Minimum 3 years of production-level software engineering in robotics or related fields. Developed robotic manipulators (kinematics, dynamics, motion planning) using Python (NumPy) and C++ (Eigen). Integrated sensors (RGB, depth, LiDAR) for navigation/localisation on platforms like Clearpath using ROS2 . Worked in Agile (Scrum) teams, managing tasks with Jira , contributing to sprints and retrospectives. Applied More ❯
Employment Type: Contractor
Rate: £500 - £800 per day
Posted:

Software Engineer

London, South East, England, United Kingdom
Hybrid / WFH Options
Deerfoot Recruitment Solutions Ltd
Software Engineer - Remote - 6 months - up to £500 per day (Outside IR35) Our client is looking for a Software Engineer to transform commercial real estate with an AI-powered platform that automates workflows, integrates seamlessly with Microsoft 365, and delivers smarter, scalable processes. What You'll Do: Develop back-end services and APIs powering AI automation tools. Build … PowerPoint. Collaborate with the founding team to streamline data processing and reporting. Mentor engineers and help shape the platform's architecture. What We're Looking For: 4+ years in software engineering (start-up or SaaS preferred). Strong Python & C# skills; API and cloud architecture experience (Azure a plus). Experience with Excel add-ins or Office JS More ❯
Employment Type: Contractor
Rate: £450 - £500 per day
Posted:

Software & AI Engineer

London, South East, England, United Kingdom
Harnham - Data & Analytics Recruitment
Software & AI Engineer £750 - £800 per day 2 days onsite We're working with a global healthcare and AI research organisation that's pioneering the use of advanced Machine Learning to accelerate the discovery and delivery of life-changing treatments. Their vision is to enable faster, personalised therapies that improve patient outcomes worldwide - and they're seeking a Backend … Software Engineer to help bring that mission to life. The Role You'll be joining a multidisciplinary AI/ML team responsible for developing the infrastructure and software that powers cutting-edge research and intelligent applications. The role focuses on backend development in Python , integrating AI components with data, compute, and frontend systems to create scalable, high-performance … to advance scientific discovery A growth mindset with a focus on continuous learning and improvement Why Join? This is a unique opportunity to work at the intersection of AI, software engineering, and healthcare , contributing directly to products that accelerate the development of next-generation therapies. You'll join a forward-thinking team that values ownership, accountability, and continuous More ❯
Employment Type: Contractor
Rate: £750 - £800 per day
Posted:

Software Engineer

Stevenage, Hertfordshire, South East, United Kingdom
Morson Talent
C++ or C Software Engineer Location: Bristol, Full time on site Duration: 12 Months initial SC Clearance Required Rate: £65 ph Umbrella Overview of department: Our team, at our Bristol facility, develop solutions for the next generation of Air Defence Systems developing evolving products whilst maintaining our enviable reputation for safety, performance and dependability. Skillset/Experience required: Essential … C++ programming language Knowledge of DDS middleware and Real Time Operating Systems Knowledge of standards such as DefStan 00-55, DO-178C or IEC61508 Desirable A strong background in software engineering, its realisation and system wide impact. Collaborative, open approach to development and have the ability to work well in a team and maintain momentum during development. Experience … of working across the entire software development process from engaging with requirement authorities to automated target integration and proving, supported with effective documentation Experience of new tools, techniques and approaches that might enable us to evolve our processes to improve our efficiency and sustainability Experience in ontologies and Domain specific languages Responsibilities: This is a very hands-on role More ❯
Employment Type: Contract
Rate: £0 - 65 per hour + Inside IR35
Posted:

Lead Solutions Architect

London, South East, England, United Kingdom
Red King Resourcing
understanding of cloud-native technologies, modern application architectures, and DevOps practices to drive the design and delivery of innovative solutions across our organisation. You'll lead by example-guiding engineering teams, setting architectural standards, and ensuring we deliver robust, scalable, and secure applications. What You'll Be Doing Leading the design of end-to-end enterprise solutions across multiple … clear, actionable strategies Championing agile, DevOps, and continuous delivery practices to drive quality and speed What You'll Bring 10+ years of experience in solution architecture and/or software engineering across a wide range of technologies, languages, and frameworks Proven experience architecting cloud-native enterprise applications in Microsoft Azure (Azure Solution Architect certification or equivalent is a More ❯
Employment Type: Contractor
Rate: £600 - £700 per day
Posted:

Senior Data Engineer - £450/day Outside - 6 Months Ext

London, South East, England, United Kingdom
Hybrid / WFH Options
Involved Solutions
projects that enable data-driven decision-making. Responsibilities for the Senior Data Engineer: Design, build, and maintain scalable data pipelines and architectures, ensuring reliability, performance, and best-in-class engineering standards Leverage Databricks, Spark, and modern cloud platforms (Azure/AWS) to deliver clean, high-quality data for analytics and operational insights Lead by example on engineering excellence … Senior Data Engineer: Proficient with Databricks and Apache Spark, including performance tuning and advanced concepts such as Delta Lake and streaming Strong programming skills in Python with experience in software engineering principles, version control, unit testing and CI/CD pipelines Advanced knowledge of SQL and data modelling (dimensional modelling, fact/dimension structures, slowly changing dimensions) Managing More ❯
Employment Type: Contractor
Rate: £375 - £450 per day
Posted:

Databricks Data Engineer Contract

London, South East, England, United Kingdom
Hybrid / WFH Options
Harnham - Data & Analytics Recruitment
at the heart of its decision-making, they're investing heavily in scalable, modern data platforms to enable better insights, experimentation, and product development. You'll join a collaborative engineering culture that values autonomy, technical excellence, and continuous improvement. THE ROLE As a Data Platform Engineer, you'll be responsible for developing and scaling the company's core data … data scientists, ML engineers, analysts, and product teams to understand and meet their data needs. Mentorship and culture: Support the growth of peers through knowledge sharing and by championing engineering best practices. YOUR SKILLS AND EXPERIENCE The successful candidate will have: Strong experience in Python and a solid foundation in software engineering best practices (testing, CI/ More ❯
Employment Type: Contractor
Rate: £550 - £600 per day
Posted:

C# Developer

London, South East, England, United Kingdom
Pontoon
both technical and non-technical stakeholders. Ability to review and critique code and designs constructively. Self-motivated, quality-focused, and organised. Desirable Extras Bachelor's degree in Computer Science, Software Engineering, IT, or related fields. Experience with Agile delivery, CI/CD tools, and DevOps practices. Exposure to web application development, IIS configuration, and network setup. Interest in More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Senior GoLang Software Engineer

London, South East, England, United Kingdom
Hybrid / WFH Options
Opus Recruitment Solutions Ltd
Must-Have (Non-Negotiable): 10+ years of professional software engineering experience, with 5+ years in Go. Proven ability to solve complex problems end-to-end, not just implement tickets. Deep understanding of Go’s concurrency model (goroutines, channels, memory model). Strong grasp of computer fundamentals: memory, CPU, I/O. Experience with distributed systems, APIs, and cloud More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Databricks Data Engineer

London, South East, England, United Kingdom
Harnham - Data & Analytics Recruitment
You'll be responsible for building and maintaining large-scale, real-time data pipelines that power analytics, machine learning, and operational systems across the business. You'll collaborate with software engineers, data scientists, and analytics teams to ensure the platform delivers reliable, high-quality, and compliant data at scale. This is a hands-on engineering role that blends … software craftsmanship with data architecture expertise. Key responsibilities: Design and implement high-throughput data streaming solutions using Kafka, Flink, or Confluent. Build and maintain scalable backend systems in Python or Scala, following clean code and testing principles. Develop tools and frameworks for data governance, privacy, and quality monitoring, ensuring full compliance with data protection standards. Create resilient data workflows … Atlan, DataHub) to enhance visibility and reliability. Partner with ML engineers, analysts, and analytics engineers to understand their data needs and enable advanced data use cases. Contribute to an engineering culture that values testing, peer reviews, and automation-first principles. What You'll Bring Strong experience in streaming technologies such as Kafka, Flink, or Confluent. Advanced proficiency in Python More ❯
Employment Type: Contractor
Rate: £500 - £600 per day
Posted:

Data Scientist - Contract

London, South East, England, United Kingdom
Tenth Revolution Group
to ensure meaningful business impact. Projects may include building a digital high net worth insurance product or a portfolio analysis tool. Key Responsibilities* Participate in all phases of the software development lifecycle* Design and document solutions following internal delivery frameworks* Adhere to coding, testing, and design standards and best practices* Collaborate with testing teams during product testing and user … acceptance* Support deployment activities across environments* Provide regular updates on progress, risks, and issues* Troubleshoot and resolve operational issues promptly* Pursue certifications to enhance software engineering skills Candidate Profile* Familiarity with the insurance industry* Proficiency in Python for traditional data science* Experience with generative AI tools, especially Gemini* Knowledge of cloud platforms such as Azure or GCP* Ability More ❯
Employment Type: Contractor
Rate: £350 - £400 per day
Posted:

Platform Data Engineer

London, South East, England, United Kingdom
Harnham - Data & Analytics Recruitment
a modern data ecosystem, empowering analysts, ML engineers, and data scientists to deliver smarter, faster insights at scale. The Role You'll play a key role in designing and engineering platform services that treat data as a core product. This means building scalable, secure, and observable systems that help teams confidently leverage data across the business. You'll work … closely with a wide range of technical and non-technical partners to deliver resilient infrastructure, champion data governance, and mentor others in engineering excellence. In this role, you will: Shape the data platform roadmap: Introduce modern observability, quality, and governance frameworks that elevate how teams access and trust data. Build and scale infrastructure: Develop services, APIs, and data pipelines … using modern cloud tooling and automation-first principles. Drive engineering best practices: Implement CI/CD pipelines, testing frameworks, and container-based deployments to ensure reliability and repeatability. Lead cross-functional initiatives: Collaborate with product engineers, data scientists, and ML practitioners to understand their workflows and deliver high-impact platform solutions. Champion operational reliability: Proactively monitor system performance, automate More ❯
Employment Type: Contractor
Rate: £500 - £600 per day
Posted:

Cyber Security Specialist

Abingdon, Oxfordshire, South East, United Kingdom
Rullion Limited
of sustainable fusion energy and maximise scientific and economic impact. The Computing Division underpins this mission by delivering secure, scalable, and innovative digital solutions across scientific computing, modelling, simulation, software engineering, business systems, data acquisition, and core IT services. Within the Computing Division, the Enterprise Infrastructure Solutions unit is responsible for the design, delivery, and management of centrally … supported IT infrastructure and applications. This includes enterprise compute platforms, data networks, UNIX/Linux/Windows environments, cloud services, data centres, commercial software solutions, and end-user support across all UKAEA sites. Role Overview : The Cyber Security Specialist plays a pivotal role in advancing UKAEA's hybrid digital estate, encompassing enterprise IT, operational technology (OT), and research platforms. … Knowledge of Incident Management, Vulnerability Assessments, SIEM & SOC Systems. o Knowledge of OT/ICS/SCADA security principles and industrial control environments. o Experience designing or reviewing secure software supply chain and CI/CD security. o Practical experience in Zero Trust implementation and Cloud Security Posture Management (CSPM). o Exposure to cloud and hybrid security frameworks More ❯
Employment Type: Contract
Posted:

Data Scientist - GenAI - London

London, South East, England, United Kingdom
Hybrid / WFH Options
Oliver James
assisted frameworks and automation pipelines. Write clean, maintainable, and well-documented code for scalable deployment. Build and implement testing and evaluation frameworks for AI models. Collaborate with data scientists, software engineers, and subject-matter experts to deliver innovative solutions. Essential Skills & Experience Advanced Python programming skills with hands-on experience using NumPy, Pandas, Scikit-learn, Langchain, LlamaIndex , and Azure … fine-tuning , prompt orchestration , and retrieval methods (RAG, knowledge graphs). Familiarity with frameworks such as LangGraph , Azure AI Foundry Agents , and Semantic Kernel Agents . Good understanding of software engineering best practices , including version control, testing, and CI/CD. Desirable Skills Experience creating optimised data workflows and scalable AI solutions. Deep understanding of Microsoft Azure AI More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Senior Software Engineer (Java / Node.js / Python – Backend or Full Stack) Active SC

Croydon, Surrey, England, United Kingdom
Hybrid / WFH Options
eTeam Inc
/Day on Umbrella Location: Croydon (Hybrid) Clearance required: SC Transfer (Active SC only ) Contract Duration: 05 months Experience of Java Experience of Spring framework or equivalent. Knowledge of software design patterns and when to apply them Excellent knowledge of development processes. Experience of containerisation using Docker or Kubernetes Experience of Continuous Integration (CI) and Continuous Delivery (CD) A … passion for delivering quality code, by use of TDD and setting high software quality standard We're also using the following technologies and patterns, it would be great if you had some of the skills, if not we can help develop them: Designing microservice-based architectures using domain driven design (DDD). CQRS and Event Sourcing patterns Kubernetes Knowledge More ❯
Employment Type: Contractor
Rate: £500 - £537 per day
Posted:

Senior Applications Developer

Southampton, Hampshire, South East, United Kingdom
Omega Resource Group
Tools (GitHub Actions and Docker) • knowledge of Docker, API microservices, API integration with SAP • A detailed and working knowledge of AWS services Candidates who are currently an Application Developer, Software Engineer, Software Developer, Web Developer, Application Engineer and IT Software Engineer could be suitable for this role. To make an application for this role please submit your … call 01453829529. For details of other opportunities available within your chose field please visit our website Omega is an employment agency specialising in opportunities at all levels within the Engineering, Manufacturing, Aerospace, Automotive, Electronics, Defence, Scientific, Energy & Renewables and Tech sectors. More ❯
Employment Type: Contract
Rate: £500 - 600 per day
Posted:

Senior Applications Developer

England, Marchwood, Hampshire, United Kingdom
Omega Resource Group
Tools (GitHub Actions and Docker) • knowledge of Docker, API microservices, API integration with SAP • A detailed and working knowledge of AWS services Candidates who are currently an Application Developer, Software Engineer, Software Developer, Web Developer, Application Engineer and IT Software Engineer could be suitable for this role. To make an application for this role please submit your … For details of other opportunities available within your chose field please visit our website (url removed) Omega is an employment agency specialising in opportunities at all levels within the Engineering, Manufacturing, Aerospace, Automotive, Electronics, Defence, Scientific, Energy & Renewables and Tech sectors. More ❯
Employment Type: Contract
Rate: £500 - £600/day
Posted:

Embedded ADA Software Engineer

Stevenage, Hertfordshire, South East, United Kingdom
Morson Talent
Ada Software Engineer Duration: Stevenage, full time on site or 4 day compressed Week Rate: up to £53.73 ph PAYE + Holiday pay or £70 ph Umbrella Inside IR35 Duration: 6 Months SC Clearance required Overview of department: Join a growing Software team in Stevenage, working as part of a dynamic team to develop, test and deliver innovative … solutions by exploiting a wide portfolio of software technologies. You will work as part of a small team and be empowered to work individually with little supervision. Responsibilities: Developing Real Time Embedded SW in ADA on a power PC Testing the embedded SW Producing test requirements & test scripts for Unit, Subsystem and System level testing on both host and … target platforms Running tests, analysing results and using target test facilities such as debuggers, probes, logic analysers and oscilloscopes Documenting the Software Key Skillset Proven ability developing in the ADA Programming Language and motivated to develop reliable, high performance, standardised, and documented software Programming embedded Software on a Power PC Testing embedded SW and using test facilities More ❯
Employment Type: Contract
Rate: £60 - 70 per hour + Inside IR35
Posted:

Data Engineer

London, South East, England, United Kingdom
eTeam Inc
management (pip, venv) Data Manipulation & Analysis (Pandas & NumPy) Key libraries: pandas, numpy, (optional: polars) Key skills: Data cleaning and preprocessing, Handling missing values, grouping, merging, pivoting, aggregations, and SQL Software Engineering Best Practices Key practices: Version control with Git. Writing modular, reusable code. Unit testing (e.g., with pytest). Code documentation and docstrings. Using linters and formatters Plotly More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Infrastructure Engineer

London, South East, England, United Kingdom
Hybrid / WFH Options
TXP
This is a hybrid role, with occasional travel required for key meetings. Key Responsibilities: Design, implement, and manage infrastructure-as-code solutions in cloud-native environments. Collaborate closely with software engineers and stakeholders to deliver robust infrastructure solutions. Ensure performance monitoring and governance across large-scale systems. Contribute to CI/CD pipeline development and maintenance using GitLab. Essential More ❯
Employment Type: Contractor
Rate: £400 - £500 per day
Posted:
Software Engineering
the South East
10th Percentile
£274
25th Percentile
£349
Median
£475
75th Percentile
£550
90th Percentile
£600