1,733 Staff Software Engineer jobs in the United Kingdom

Enhanced SC Cleared Software Engineer / Data Integration

Bristol or London (2 days per week onsite)

Up to 745 per day (Umbrella, Inside IR35)

Contract until 17th February 2026

Must hold live and transferrable Enhanced SC Clearance. We are unable to consider those with only BPSS or standard SC.

About the Role

We're looking for a highly skilled Software Engineer / Data Integration Specialist to join a mission-critical programme, ensuring data and services move seamlessly, securely, and efficiently across systems. This role blends backend software engineering with data integration expertise, offering the chance to work on high-impact projects within a collaborative, technically advanced environment.

Key Responsibilities

• Integration Development - Design, build, and maintain integrations between internal systems and third-party platforms via APIs and related technologies.
• Data Pipeline Engineering - Create scalable, reliable pipelines to ingest, transform, and deliver data across multiple environments.
• Collaboration - Work closely with software engineers, DevOps, and product teams to translate integration requirements into effective solutions.
• Troubleshooting & Optimisation - Resolve integration challenges including data mismatches, authentication issues, and performance bottlenecks.
• Documentation - Produce clear documentation for integration workflows, processes, and architecture.
• Monitoring & Maintenance - Implement robust logging, alerting, and performance monitoring for integrations.
• Continuous Improvement - Champion enhancements to integration architectures and best practices.

Skills & Experience Required

• Experience with workflow orchestration tools (e.g., Apache Airflow).
• Proven track record in backend development (e.g., Node.js, Python, Java).
• Strong knowledge of API design, integration methods (REST, Webhooks, GraphQL), and authentication protocols (OAuth2, JWT).
• Experience with ETL/ELT tools and frameworks.
• Solid database skills (SQL and/or NoSQL).
• AWS cloud platform experience, particularly in integration services.
• Strong debugging, problem-solving, and communication abilities.
• Comfortable in agile environments and familiar with CI/CD and DevOps practices.
• Understanding of data security, privacy, and compliance (e.g., GDPR).

Apply Now

Bring your software engineering and data integration expertise to a role where your work will make a measurable impact on secure, data-driven systems.

Location: Chesterfield (Hybrid)
Job Type: Full-Time | Contract
Hourly Rate: 50.00p/h Outside IR35

Are you ready to engineer the future? We're on the hunt for a Project Software Engineer who's not just technically brilliant, but also passionate, proactive, and driven to deliver excellence. If you thrive in a fast-paced environment, love solving complex problems, and want to be part of a team that builds cutting-edge industrial solutions-this is your moment.

Join us and take ownership of high-impact projects, from concept to commissioning, while working with the latest in PLC, SCADA, and automation technologies. You'll be a key player in shaping intelligent systems that power industries across the globe.

What You'll Be Doing

• Lead the Charge: Deliver core project modules-PLC programming, SCADA development, testing, networking, documentation, and hardware design.
• Collaborate & Conquer: Work alongside Senior Engineers and Project Managers to meet technical and quality benchmarks.
• Engineer with Excellence: Champion a "right first time" mindset, ensuring every solution meets scope, budget, and timeline.
• Drive Innovation: Spot opportunities for system standardisation and modularisation to boost efficiency and reusability.
• Own the Process: Ensure compliance with company quality standards and safety protocols.
• Be the Safety Beacon: Lead by example in promoting health and safety on every project.

What You Bring

Must-Have Experience

• Proven track record in system specification, design, development, and testing.
• Hands-on expertise with Siemens S7 PLCs and WinCC SCADA systems.
• Solid understanding of control panels, electrical installations, and instrumentation.

Bonus Skills (Desirable but not essential)

• Development of PLC code modules, SCADA scripts, mimics, and comms drivers.
• Progress reporting and scope management.
• Peer reviews and documentation development (FDS, DDS, test specs, O&M manuals).
• Site surveys, installation, testing (CFAT, SAT), and warranty support.

Qualifications

• Degree or HND/HNC in Electrical / Electronic Engineering, Control Systems, or a related field.
• Working towards or already an Incorporated Engineer with professional registration.

Why Join Us?

• Work on transformative projects with real-world impact.
• Collaborate with industry-leading engineers and innovators.
• Grow your career in a supportive, forward-thinking environment.
• Be part of a company that values quality, safety, and continuous improvement.

This vacancy is being advertised by Belcan

AnexcitingopportunityexistsforexperiencedSoftwareEngineerstojoinadynamicteamworkingonabroadrangeofprojectswithinDefence,Cybersecurity,andIntelligencedomains.Thisroleoffersachancetodevelopadvancedsoftwaresolutionswhilemaintainingastrongbalancebetweenprofessionalandpersonallifethroughflexibleandhybridworkingoptions,backedbyacomprehensivebenefitspackage.

RoleHighlights:

• Engageinplanning,development,testing,debugging,anddocumentationofsoftwareacrossvariousdisciplines.
• Workcloselywithstakeholderstotranslatemission-criticalrequirementsintorobust,secureapplications.
• Applyindustry-standardpracticesthroughoutthefullsoftwaredevelopmentlifecycle,ensuringqualityandreliability.
• SpecialiseinareasincludingbutnotlimitedtoCybersecuritysoftwaredevelopmentandDevSecOpssystems.
• Troubleshootprogramerrors,prepareoperationaldocumentation,andanalyzesystemcapabilitiestooptimiseperformance.

TechStack&Tools:

• ProficientprogrammingexperienceinJavaandPython.
• ComfortabledevelopingonLinuxenvironments.
• SkilledinunittestingframeworkssuchasJUnit5andversioncontrol - Git
• FamiliaritywithAgilemethodologies,particularlyScrum.
• Experiencementoringjuniorteammembers.
• WorkingknowledgeofrelationalandNoSQLdatabasesincludingOracleandMongoDB.
• ExperiencewithCI/CDpipelines,preferablyusingGitLab.
• ExposuretofrontendframeworkslikeJavaScript,TypeScript,andReact.
• UseofdatavisualizationandsearchtoolssuchasElasticsearch & Kabana.
• FamiliaritywithHibernateandAtlassianSuite -Bitbucket,Jira,Confluence
• Advantageous:experiencewithJSF(Primefaces),cloudsoftwaredevelopment(AWS),microservices,serverlessarchitectures,andAWSserviceslikeEC2,EKS,Fargate,IAM,S3,Lambda.

Software Engineer - London (Onsite, 5 Days per Week)
80,000 - 100,000 + Benefits

We are representing a specialist SME consultancy partnered with a leading AI and technology firm, delivering mission-critical solutions to the UK Defence and Intelligence community.

This is a unique opportunity to work on a cutting-edge new platform that is shaping the future of national security. The role is language-agnostic - we're not looking for expertise in one specific technology stack. Instead, we want highly skilled software engineers with strong experience in at least one modern programming language and the ability to quickly adapt and learn new ones.

You will be working at the forefront of innovation on programmes of national importance , collaborating with some of the brightest minds in the industry. This is a full-time, London-based position (onsite, Monday-Friday).

Due to the sensitive nature of the work, candidates must hold current SC or DV clearance.

If you're a high-calibre engineer seeking to apply your skills to projects that truly make a difference, we want to hear from you.

Apply now to join a forward-thinking team where your expertise will directly contribute to the UK's national security capabilities.

People Source Consulting Ltd is acting as an Employment Agency in relation to this vacancy. People Source specialise in technology recruitment across niche markets including Information Technology, Digital TV, Digital Marketing, Project and Programme Management, SAP, Digital and Consumer Electronics, Air Traffic Management, Management Consultancy, Business Intelligence, Manufacturing, Telecoms, Public Sector, Healthcare, Finance and Oil & Gas.

Software Engineer  (Experience with Linux and C++ Required)                       

Salary: £45,000-£5,000 + Bonus 

Location: HYBRID WORKING MODEL 

We are currently recruiting for a UK leading company who are looking for an Software Engineer  to provide software expertise on some exciting projects and work closely with clients in the delivery of these projects. This is an exciting new role where the suitable software engineer will get autonomy and support at the same time. As the senior software engineer you will be required to travel to project sites across England, so please only apply to this job if you hold a valid UK driving licence. The succesful software engineer will get the opportunity to be put thrrough training and developement that is tailored to their needs. The business is doing well, with several sites in the UK, with plans to further dominant and grow its market. If you want to work for a fantastic company, please apply straight away!

Skills acquired to be a Software Engineer

• The successful Software Engineer needs to be able to develop, design and maintenance computer software using C++ and Linux
• The Succesful Software Engineer needs to be able to contribute to the entire software development life cycle, identify and resolve complex software issues, participate in code reviews, 
• The successful Software Engineer needs to hold a full UK driving licence
• The successful Software Engineer needs to be flexible to regional travel and stay away.           

The Software Engineerr  will benefit from:

• Training and development
• Remote working  
• Working on cutting edge projects 
• Pay rises
• Working for a globally reconginsed brand 

Benefits:  Company car, flexible benefits, Days, Good Salary  

Commutable: Kettering, Wellingborough, Corby, Market Harborough, Lutterworth, Thrapston, Peterborough, Leicester 

If you are interested in this role and feel that you have the right skills then please click apply at the bottom of this advert.

For further details contact Adem Halil  at Pioneer Selection – (phone number removed)

As a registered candidate with Pioneer Selection Ltd, you automatically become eligible for our referral scheme. 

You will receive £250 for every candidate we p ce in permanent employment who has been recommended by you. Terms and Conditions apply please see our w

Location: Manchester (Hybrid working - 2 days)
Type: Full-time, Permanent
Salary:  £40,000 to £55,000 + Bonus (Up to 30%) + Excellent Benefits including 7% pension, income protection, and much more.

Are you a skilled developer with a strong foundation in C#, Java, Erlang, or Go ? Do you dream of working on cutting-edge AI initiatives while reimagining the backbone of mission-critical systems? This is your opportunity to join a globally recognised brand at the forefront of digital innovation.

We're a global leader in our sector, trusted by millions worldwide. As part of our ambitious technology transformation, we’re rearchitecting legacy platforms while launching bold new greenfield projects that leverage AI to drive intelligent products and services.

This is more than a software engineering role — it's a chance to be part of a journey that shapes the future of AI in a real-world, high-impact environment.

• Re-architecting legacy systems into scalable, modern cloud-based solutions (Using GCP)

• Building greenfield applications from the ground up with a strong AI-first mindset

• Collaborating with data scientists, ML engineers, and product teams to deliver AI-powered solutions

• Using your expertise in C#, Java, or Go to build resilient, high-performance systems

• Strong experience with C#, Java, or Go

• A genuine interest in AI/ML (previous experience is a bonus, but not required)

• Comfortable navigating and improving legacy codebases

• Eager to work on greenfield projects and adopt new tech

• Familiar with cloud platforms (AWS, Azure, or GCP preferred )

• Passionate about learning, experimenting, and pushing boundaries

• Work with and learn from leading experts in AI and cloud architecture

• Be part of a major digital transformation that will impact millions

• Access to AI training resources, certifications, and mentoring

• Access to Cloud training resources, wiht a focus on GCP

• Flexible working: remote-first culture with optional office days

• Excellent benefits including performance bonuses, pension, wellness support & more

The opportunity:

We're looking for ambitious engineers with a growth mindset to join our collaborative and driven team in Hertfordshire. You'll thrive in a supportive environment, surrounded by passionate experts, while developing your skills and making an impact.

As a Software Engineer , you'll develop and maintain real-time software tools that drive high-fidelity simulations and control innovative hardware systems. You'll also support the deployment of these tools in designing simulations and running experiments.

You'll need to be adaptable, able to work in new engineering situations, and comfortable abstracting detail to understand system behaviour.

What we're looking for:

Broad engineering experience, with deeper expertise in some of the following areas:

• Software design

• Software design for real-time applications

• Familiarity with Linux operating systems

• Familiarity with C/C++

• Use of microcontrollers (e.g. Raspberry Pi)

• Interface debugging and system integration

• Familiarity with Object-Oriented approaches (beneficial)

What we can offer you:

• Company bonus based on company performance, this can vary year to year.

• Pension with maximum total (employer & employee) contribution of up to 14%.

• Annual salary review.

• Paid overtime.

• Up to 15 days flexi leave.

• 25 days annual leave (plus holiday purchase scheme).

• Fantastic site facilities including subsidised meals, free car parking and more.

• Excellent career progression and development opportunities.

Please reach out to me for further details!

Full Stack Developer | 3 Roles Available | 3 Month Initial Contract | Up to 550 per day (Inside IR35) | London (2 days per week on-site) | Active SC Clearance Required

MERITUS are working with a well-established financial services company in London who are looking for 3 experienced Full Stack Developers to join them on a 3-month contract. The business is undergoing a major technology transformation, and this role will play a key part in delivering new features and scaling their cloud-based platforms.

They're looking for engineers experienced in .NET / C#, Angular & experience deploying applications & platforms into Azure. DevOps & IaC experience (Terraform) would be highly beneficial.

The roles are based in London & are hybrid with 2 days per week in the London office. Candidates are required to hold an active SC Clearance.

• Strong background as a Full Stack Developer on commercial projects.
• Hands-on experience with Angular.
• Proven expertise with C#/.NET Core.
• Practical knowledge of Azure services and cloud-based architectures.
• Good experience with Terraform for Infrastructure as Code.
• Familiarity with CI/CD and agile ways of working.

Got your attention?

If you believe that you have the skills and experience for the Principle Engineer role - then please get in touch. We also offer a referral scheme for any candidates whose details are passed to us that we successfully place. If you have any further questions then please contact Ryan Harris at MERITUS.

We're looking for a Senior-level Software Engineer with strong JavaScript/TypeScript skills and experience across modern web stacks. You'll be instrumental in our transition away from Drupal as we modernise and scale our platform.

Tech Stack:

• At least 4 years commercial experience with JavaScript or TypeScript and Node
• Exposure of Laravel and/or Python (Django or Flask a plus)
• Familiarity with Drupal and some knowledge of modern front-end frameworks (React, Vue, etc.)

What You'll Do:

• Build scalable applications using modern frameworks and clean architecture
• Contribute to backend services and APIs (Python or Laravel-based)
• Help re-platform and migrate to a modern stack
• Collaborate cross-functionally with UX, Product, and DevOps

What We Offer:

• A supportive environment that encourages professional growth and continuous learning.
• An inclusive, collaborative culture within one of the UK's leading business services providers.
• A competitive salary and benefits package.

49904MS

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