51 senior software developer jobs found

Senior Software Engineer (Contract) 3-Month Engagement | Outside IR35 | Up to £475 per day | Hybrid (London / Ipswich) A rapidly expanding SaaS company is seeking an experienced Senior Software Engineer to support their agile delivery team on an initial 3-month contract. This position offers a strong mix of hands-on development and strategic input, with the opportunity to shape system architecture, influence engineering practices, and contribute directly to product evolution. You'll play a key role in designing, building, and improving scalable cloud-native applications, while also guiding team members and promoting high standards across the development lifecycle. Core expertise required: Advanced experience with C# and .NET (Framework and Core) Frontend development using TypeScript, HTML, CSS, and either React or Vue Proven track record with AWS, ideally including serverless architectures (e.g., Lambda) Experience with CI/CD pipelines and Infrastructure as Code (Terraform or...

My client are looking for a Contract Senior Software Developer to design, build, and maintain microservices-based applications and data engineering pipelines. This role requires strong hands-on development experience across Java services, backend systems, and data processing platforms, with a focus on building scalable, reliable, and maintainable solutions. The role involves close collaboration with data engineers, QA, product, and platform teams to deliver high-quality services and data products across a complex enterprise environment. Technical Skills & Experience Core Skills Strong hands-on experience developing Java-based applications in a microservices architecture. Solid experience building and maintaining backend services and APIs. Experience contributing to data engineering pipelines, including ETL/ELT workflows, batch processing, and scheduled data builds. Strong understanding of data modelling, transformations, and downstream data consumption. Experience...

Senior C# / .NET Developer | Financial Services (Risk & Securities Lending) Location: London (Hybrid) Role Type: 6 Months Contract, Rate: 585/day inside IR35 Are you an expert in C# / .NET with a deep understanding of the mechanics behind Risk Management or Securities Lending? We are looking for a Senior Developer to join a leading global financial institution, building high-performance systems that drive critical trading and financing workflows. The Opportunity You will play a pivotal role in designing and maintaining robust platforms used for complex risk calculations and high-throughput financial data processing. This is an environment where your technical expertise in Object-Oriented Programming (OOP) and API design will directly impact global operations and regulatory compliance. Key Responsibilities Engineering: Build scalable, testable, and maintainable applications using .NET Core and RESTful APIs. Risk Workflows: Implement exposure calculations, limit...

Senior Software Engineer in Test  Certain Advantage are recruiting on behalf of our globally renowned brand for a Senior Software Engineer in Test. This is a temporary contract inside IR35 initially until March 2027 working a couple of days onsite per month in Manchester for meet ups. We’re seeking Engineers who can offer demonstrable experience in developing and testing bespoke cloud-native applications; programming with Java, Python (or another OO language) utilising quality tools like SonarQube, with proven experience of automated software testing. If you embrace quality-first coding and want to work on real projects alongside experienced engineers with iterative and agile processes, please apply! Key Responsibilities Define and implement testing for cloud systems (platform and APIs) in an agile manner Implement testing frameworks; utilising automation tools where possible. Support the investigate and resolution of issues. Work closely with the SRE team to develop...

Site Manager Location: Wigston, Leicestershire, East Midlands Job Type: Contract, Full-Time Hours 7:30 - 16:30 Monday - Friday Start date: 8th May 2026 Duration: 4-weeks Salary: £260 - £265 per day Industry: Construction - New build housing About the Role A quality focused housing developer seeks a Freelance Site Manager for a one-month contract based on a new build housing site in Leicestershire. The role requires a committed individual to oversee all aspects of site operations, ensuring projects are delivered safely, on time, and within budget. This is a full-time position offering a competitive daily rate. Job Duties Manage and supervise all site activities to ensure construction progresses according to programme and quality standards. Ensure compliance with health and safety regulations and company policies at all times on site. Coordinate and liaise with subcontractors, suppliers, and clients to maintain clear communication and efficient workflow. Monitor site...

Mid-Senior level Architectural Technologist or Technician required to join one of Manchester's most well-respected and most forward-thinking Architectural practices. This is based on an initial 3-6month contract of employment. This reputable firm of Architects have gone from strength to strength in recent years and have continued to expand and diversify their business across a wide range of project types including: Colleges, University buildings and various Education-sector schemes. Also: Offices, Leisure schemes, care homes, private housing and volume residential are typical projects you will encounter here. They are looking to further expand and strengthen their Education-sector team with the hiring of a good Architectural Technologist. The role would be best suited to either an Architectural Technologist or Architectural Technician with a minimum of 3 years practical experience; preferably working with a UK based practice/developer. Please review the following criteria to see...

DevSecOps Consultant * Sheffield (3 days per week onsite) * Inside IR35 We're partnering with a leading financial services client to appoint a DevSecOps Consultant to drive secure engineering practices across large-scale, cloud-based platforms. This role is ideal for someone who has come from a hands-on DevSecOps Engineering background and has since transitioned into architecture/design and advisory, while still retaining strong technical depth. Key Responsibilities: * Define and implement secure architecture patterns across engineering platforms (CI/CD, build systems, runtime environments) * Conduct security assessments, threat modelling, and gap analysis across platforms and pipelines * Develop and embed DevSecOps best practices, including secure pipeline design and automated controls * Establish and enforce security baselines using policy-as-code * Build and deliver security roadmaps, prioritising risk and regulatory requirements * Partner with engineering and...

Role: Planning Engineer / Wrapping, Insulation and Caulkin Planner Position: Contract Location: Hinkley Point C Days on Site: 3 Duration: Approx until 31st Dec 2026 Pay: Inside IR 35, Up to 429 PAYE - £468.92 umbrella Job Purpose / Overview The Wrapping, Insulation and Caulking (WIC) planner is a key role within the Integrated Planning team which encompasses Design, Engineering, Procurement, Manufacturing, Logistics and Installation for the WIC Scope of Work for HPC.The Planning Teams work within a matrix organisation supporting all the involved areas, programmes & contracts of Works across Unit 1 & Unit 2 Nuclear Island (NI), Conventional Island & Balance of Plant and the Offshore Marine Scope (CI/BOP) .The WIC Planner is accountable to the MEH Lead Planner for WIC planning throughout the project lifecycle, it's Productivity,the quality of its outputs their accuracy and value, the implementation of the broader HPC Planning Strategy, the provision ofa...

AMS is a global workforce solutions partner committed to creating inclusive, dynamic, and future-ready workplaces. We help organisations adapt, grow, and thrive in an ever-evolving world by building, shaping, and optimising diverse talent strategies. Our Contingent Workforce Solutions (CWS) is one of our service offerings. Acting as an extension of their recruitment teams, we connect them with skilled interim and temporary professionals, fostering workplaces where everyone can contribute and succeed. Our client, a major UK retail bank, provides every day banking services to over 17 million retail customers. The banks expertise and services span across Business Services, Corporate banking, Wealth Management, Group Functions, Retail and Investment Banking. On behalf of this organisation, AMS are looking for a Backend Java Engineer for a 6 month contract based in London (2 days per week) with remote working available (hybrid). Purpose of the role: Join one of the core cross...

Job Title Senior UX Researcher - Store Experience (Cash Management) Location London / UK Based Remuneration £550-£650 per day (via Umbrella Company) Contract Details Temporary, 6 months, Full Time Responsibilities Research Ownership & Delivery Own and lead UX research for the cash management and handling programme, with support from a Senior Research Lead. Develop a deep understanding of current cash handling processes used by store colleagues. Identify user groups, roles, motivations, and constraints related to cash systems. Map out end-to-end cash management journeys in their existing state ("as-is"). Insight & Impact Identify strengths and weaknesses in current cash management tooling and processes. Surface user needs, pain points, and job-to-be-done insights to inform the design of a new in-house system. Deliver structured, evidence-based findings that directly inform UX design, product decisions, and system architecture. Collaboration Work closely with UX...

We’re looking for a temporary 6 month Senior Finance Business Partner to play a key role in supporting Somerset’s education service.  You’ll lead on financial planning, forecasting and monitoring across a wide range of education budgets, including DSG budgets, transport, statutory services and traded education services. Working closely with colleagues across finance and education, you’ll provide expert financial insights to ensure resources are used effectively to support children and young people across Somerset. Working with senior finance colleagues and education leaders, you’ll support a small team of Finance Business Partners to deliver a high‑quality, resilient finance service for Education. Role Purpose As a Senior Finance Business Partner, you will provide expert financial advice, analysis and insight to support services to deliver their objectives and maintain financial sustainability. Working closely with budget holders and senior stakeholders, you will help drive...

Civil / Structural Engineer Remote working (occasional visits to project offices) Up to £65 per hour (Umbrella) Overview: We're looking for a Civil & Structural Engineer who's ready to apply their technical expertise to some of the most exciting and meaningful projects in the Energy Transition space. If you want to work on low-carbon, first-of-a-kind and next-generation energy technologies, this is your opportunity to make a real impact. The role: You'll work closely with the Civil & Structural Group Lead to develop cost-effective, efficient and innovative engineering solutions for complex energy projects. Your role will span concept through to detailed design, using tools such as Revit, Tekla, Robot, AutoCAD and Civil 3D to turn ideas into practical, buildable designs. Your responsibilities will include: Developing Civil & Structural solutions across Feasibility, Concept, FEED, Value Engineering and Detailed Design stages. Producing deliverables including...

Lead CMF Engineer About the Person The successful colleague will have experience gained from a design environment, with proven ability to design and develop forward thinking and innovative design proposals. You will have experience as a CMF (Colours, Materials and Finishes) automotive designer with examples of design production or conceptual projects that have been undertaken and/or managed. You will have a degree in design or equivalent experience. You will demonstrate: * Skill to design and develop forward thinking and innovative design proposals within an automotive environment * Ability to solve complex problems and provide creative solutions * Ability to communicate and present design proposals and ideas across the company in different forums * An understanding of feasibility and production methodology along with 2D and 3D IT skills such as Photoshop and 3D CAD software skills are essential * An understanding of financial budgeting About the Role We are...

We are seeking an experienced Electrical Package Manager to lead the delivery of electrical systems on large-scale hyperscale data centre projects. This role covers full lifecycle delivery from design through to commissioning and handover, ensuring safety, quality, programme, and budget targets are met. Key Responsibilities * Own and manage the electrical package from pre-construction to completion * Coordinate design with consultants, MEP/CSA teams, and client stakeholders * Oversee procurement, including subcontractors and long-lead equipment * Manage on-site installation and subcontractor performance * Ensure compliance with health, safety, and quality standards * Develop and track programme schedules, mitigating risks as required * Lead testing, commissioning, and energisation activities * Monitor budgets, manage variations, and control costs * Deliver full project documentation and support client handover Requirements * Degree in Electrical Engineering or...

Location: Worcester (Site based) Duration: 6 month initial contract Rate: £82ph LTD (Outside IR35) Role details: Our client, a leader in the Defence & Security sector, is currently seeking a DV Cleared Software / DevOps Engineer for an initial 6-month contract, based on-site in Worcester. Key Responsibilities: Collaborating with coworkers to conceptualise, develop, and release software. Conducting quality assurance to ensure that the software meets prescribed guidelines. Rolling out fixes and upgrades to software, as needed. Securing software to prevent security breaches and other vulnerabilities. Collecting and reviewing customer feedback to enhance user experience. Suggesting alterations to workflow in order to improve efficiency and success. Pitching ideas for projects based on gaps in the market and technological advancements. Job Requirements: Active MOD DV Clearance. Strong proficiency with CI/CD tools such as Gitlab CI, Terraform, Ansible, Helm Charts, Python,...

We're looking for a temporary 6 month Senior Finance Business Partner to play a key role in supporting Somerset's education service. You'll lead on financial planning, forecasting and monitoring across a wide range of education budgets, including DSG (DEDICATED SCHOOLS GRANT) budgets, transport, statutory services and traded education services. Working closely with colleagues across finance and education, you'll provide expert financial insights to ensure resources are used effectively to support children and young people across Somerset. Working with senior finance colleagues and education leaders, you'll support a small team of Finance Business Partners to deliver a high quality, resilient finance service for Education. Role Purpose As a Senior Finance Business Partner, you will provide expert financial advice, analysis and insight to support services to deliver their objectives and maintain financial sustainability. Working closely with budget holders and senior...

A Contract position Outside IR35 Hybrid working - 3 days on site Our client, a pioneering company in the aerospace sector, is currently seeking an Electrical Design Engineer to join their team on a contract basis. This role supports the design and development of an electromechanical High Voltage (HV) Power Distribution Unit (PDU) for a groundbreaking hydrogen propulsion system, making it a unique opportunity within the aerospace industry. Key Responsibilities: Supporting the design and development of an electromechanical HV PDU for the ZA200-B hydrogen propulsion system. Preparing, maintaining, and reviewing power distribution documentation, records, and reports to support the development of the ZA200 hydrogen propulsion system. Engaging with external partners and suppliers to develop and mature high-voltage power distribution units for the ZA200-A hydrogen propulsion system. Planning and building test plans to support power distribution commissioning activities. Providing...

Civil / Structural Engineer Location: Remote UK with occasional visits to Project offices Position is with a global multi disciplined Engineering solutions provider We're looking for a Civil & Structural Engineer who's ready to apply their technical expertise to some of the most exciting and meaningful projects in the Energy Transition space. If you want to work on low-carbon, first-of-a-kind and next-generation energy technologies, this is your opportunity to make a real impact. What you'll be doing You'll work closely with the Civil & Structural Group Lead to develop cost-effective, efficient and innovative engineering solutions for complex energy projects. Your role will span concept through to detailed design, using tools such as Revit, Tekla, Robot, AutoCAD and Civil 3D to turn ideas into practical, buildable designs. Your responsibilities will include * Developing Civil & Structural solutions across Feasibility, Concept, FEED, Value Engineering and Detailed...

Housing Support Worker When registering to this job board you will be redirected to the online application form. Please ensure that this is completed in full in order that your application can be reviewed. Job Title: Housing Support Worker Location: Brent. This is a floating support service which means locations vary from outreach sites, personal homes, and our office.Please be kindly aware although there is step free access at our base office, we cannot guarantee step free access in our outreach sites and participant homes. Salary: £28,800 (Annual) Shift Pattern: 5 month fixed term contract, 37.5 hours per week Monday to Friday on a rota which can range between 08:00 - 16:00, 09:00 - 17:00 and 10:00 - 18:00. You may be required to work outside these hours dependent on service and participant requirements. About the Role We're hiring a Housing Support Worker to join our floating support service which is based in Brent. The service supports adults who have been or are at risk of...

A prestigious London-based international bank is looking for a Desktop Support Engineer to join their team in their offices in Canary Wharf. You will be assisting with 2nd and 3rd-line desk and technical support tasks as part of a dynamic and friendly team. This is a temporary position with an immediate start for an expected duration of 6 months, with the potential of being extended for another 6 months or even for becoming permanent. It is an excellent opportunity for candidates with proven desktop support experience within the banking and financial services industry to work for a multinational, professional and renowned bank. Your responsibilities will include, among others: Provide daily support for IT equipment and peripherals. Troubleshooting, rapid response, patching, software installations. Active Directory. Onboarding and offboarding of users. Asset management and permissions. About you: In order to succeed, the right applicant will have prior desktop support experience...