11 engineering jobs found in Doncaster

API Developer (Golang/Python) – Financial Services * Inside IR35 * Sheffield (1–2 days/month onsite) A leading financial services organisation is seeking an experienced API Developer to join their team on a contract basis. This is a great opportunity to work on modern, scalable systems within a highly regulated and fast-paced environment. This role would suit a developer who enjoys working on backend systems but is comfortable contributing to full-stack solutions when needed. If you’re looking to make an impact within a major financial organisation, this could be a strong fit. Role Overview You’ll be responsible for designing, building, and integrating high-performance APIs, with a strong focus on Golang (preferred) or Python. You’ll also collaborate with front-end teams, contributing to web-facing components using technologies such as React or Node.js. Key Responsibilities * Design, develop, and maintain robust APIs * Ensure seamless integration across internal...

Job Title: DevSecOps Security Consultant Location: Sheffield or Birmingham (hybrid - 3 days per week) Salary/Rate: £(Apply online only) per day inside IR35 Start Date: May Job Type: Initial contract until 18/05/2027 Company Introduction We have an exciting opportunity now available with one of our sector-leading consultancy clients! They are currently looking for a skilled DevSecOps Security Consultant to join their client at a Tier 1 bank in either Sheffield or Birmingham on a hybrid basis. Job Responsibilities/Objectives We are seeking a highly skilled and experienced Senior Cybersecurity SME / Consultant to join the Engineering Excellence and Enablement team. The successful candidate will work across global engineering platforms to benchmark, uplift, and continuously evolve cybersecurity maturity. The successful candidate will play a critical role in ensuring that build systems, runtime infrastructure, and developer tooling are secure by design, while enabling rapid and...

BARROW OR SHEFFIELD based Our client, a leader in the Defence & Security sector, is currently seeking a Senior Systems Engineer for a contract position. This role, reporting to the Systems Engineering Function Lead within the Weapon Systems Engineering function, will require you to work from either Barrow or Sheffield, with occasional onsite work (1-2 days per month). Key Responsibilities: Capture and translate user needs, stakeholder needs and CONOPS Convert CONOPS into MBSE use cases and activity/sequence diagrams Build MBSE architecture (form/function/behaviour) and allocate requirements Lead requirements development (derivation, decomposition, traceability) Develop and manage interface requirements and Interface Control Drive integration from component level through system level Lead/support Verification & Validation activities and planning Act as a key technical interface to customers, suppliers and internal design teams (SW/Mech/Elec) Support governance, continuous...

Kotlin / Java Developer (Contract) - Outside IR35 📍 Sheffield (Grosvenor House) | Hybrid (2 days onsite) 💼 Full-time Contract 💰 £300 per day (Outside IR35) 🚀 The Opportunity We're seeking a proactive and skilled Kotlin / Java Developer to join a cutting-edge Developer Experience (DevX) Standards & Controls team within a global technology environment. You'll be working on modern, microservices-based applications and APIs that help development teams manage and demonstrate compliance across software delivery. With multiple applications and PoCs in play, this role offers variety, ownership, and the chance to work with modern engineering practices. 💻 What You'll Be Doing Collaborate with developers, testers, and stakeholders to build and run high-quality products Design, develop, and implement backend features aligned to business priorities Contribute to lightweight front-end components using a simple UI framework Build and maintain APIs and microservices Work directly with...

UX/UI Designer (Contract) - Outside IR35 📍 Sheffield (Hybrid - 2 days onsite) 💼 Full-time Contract 💰 £400 per day (Outside IR35) 🚀 The Opportunity We're looking for a Senior UX/UI Designer to join a forward-thinking technology team, driving impactful user experiences across enterprise-scale platforms. This is a highly visible role where you'll shape how users interact with complex systems-making them intuitive, efficient, and genuinely user-friendly. You'll work closely with engineers and stakeholders to transform ideas into seamless digital experiences. 🎯 What You'll Be Doing Champion a customer-first approach across all design work Design intuitive, user-friendly interfaces that simplify complex systems Improve and evolve user experience through thoughtful visualisation and interaction design Analyse usability across services, identifying opportunities for automation and optimisation Collaborate with developers to ensure seamless implementation of designs Drive...

Job Title: Java Developer – Developer Experience Platform - Sheffield Job Description Join a collaborative engineering team building a modern Developer Experience platform that helps control owners and development teams manage and view their compliance with software development controls. You will work primarily with Kotlin to develop microservice-based web applications and APIs, contributing to several applications and proofs of concept within a cloud-native, agile environment. This role suits someone proactive, detail-oriented, and comfortable working across back-end services with a small element of simple UI development. Responsibilities Collaborate closely with developers, testers and colleagues across the wider organisation to build, enhance and run high-quality products. Design, develop and implement back-end features according to the product backlog and priorities, with a small amount of simple front-end work where required. Work on web applications that use a...

DevX_Kotlin (or Java) Developer SheffieldHybrid - 60% office 40% home Duration: 30/11/2026 Rate £418 MUST BE PAYE THROUGH UMBRELLA Role Description: Required Experience in Kotlin (or significant Java experience with a willingness to learn Kotlin) Experienced in at least two or three of the following: API development, SQL/databases, HTML/Javascript Experience working with standard developer collaboration Tools: Github/Bitbucket, Jira, ConfluenceOptional Jenkins pipelines Test automation ABOUT THE PROJECT The Developer Experience (DevX) Standards and Controls function is building a platform for control owners and development teams to manage/view their compliance with a range of software development controls. The candidate would be working on Kotlin and Java-based web applications and APIs. There are 2-3 applications and PoCs we are hiring for. Exact candidate allocation will depend on their experience and fit. All have a microservice architecture built using modern coding...

Salesforce Solution Architect** (Contract) Duration: 6 Months (Possibility for extension) Location: Leeds/Hybrid (2 day per week on site) Rate: A highly competitive Umbrella Day Rate is available for suitable candidates Role Profile As the Salesforce Solutions Architect, you will be a leader in driving the direction of our Salesforce platform. You will identify the optimal solution for a business requirement , recommend a technical solution and communicate any design trade-offs whilst following Salesforce best practices, recommending implementations that adds value and is both scalable and sustainable. You will support the development teams in delivering this roadmap, navigating challenges, putting in place the necessary standards, defining architectural patterns that will drive consistency and standardisation across the solution. Key Responsibilities: Collaborate with senior stakeholders to translate business strategy into to a Salesforce roadmap. Ensure the...

Senior Document Controller 12 months initial Contract Hybrid working (Predominantly remote with Team meetings onsite in Hull) Are you a detail‑driven documentation specialist with a passion for clarity, quality, and process excellence? We're looking for a Senior Document Controller to take ownership of a critical business management system, ensuring documentation is accurate, compliant, and accessible across the organisation. This is a fantastic opportunity for someone who thrives on structure, precision, and continuous improvement-while influencing how information is created, governed, and communicated. About the Role As Senior Document Controller, you'll be responsible for the full lifecycle of controlled documents within the organisation's management system. You'll partner closely with document owners, subject matter experts, and stakeholders across the business to rebuild, streamline, and maintain a world‑class documentation framework aligned to industry best practice....

Job Title: Software Engineer Manchester, UK Hybrid (once/week) 6month contract with Potential Extension Day rate - 56GBP/Hour Inside IR35 Software Engineer We are looking for a mid-level Software Engineer who builds with a "Full-Ownership" mindset. In this role, you aren't just writing code; you're managing the entire lifecycle of global-scale services. What You'll Do Build & Refactor: Write reusable code using standard design patterns. We value test automation as much as production code. Own the Stack: Manage services end-to-end, monitoring health metrics and automating deployments via CI/CD. Design & Advise: Evaluate architectural trade-offs (cost/performance) and guide product teams on system scalability. Solve & Improve: Lead incident response (RCA) and identify structural improvements to boost system performance.The Requirements 5 Years of broad software engineering experience. Proficient in building applications with a focus on data security and integrity....

My client are a data and analytics company who have delivered data driven insights to large global brands for over a decade. They need a contract Data Products Engineer to support the development and evolution of behavioural data products. 6 months Outside IR35 £400 per day 2 days a week in Manchester The role You work within the Data Products team. You turn raw signals from capture technologies into well defined, high quality datasets. You use SQL, Python, and internal tooling, including AI assisted tools. You define schemas, apply business logic, enforce quality checks, and deliver client ready data feeds. Key responsibilities • Design and evolve data product schemas and fields • Turn product requirements into structured datasets • Build and maintain data feeds using internal tools, SQL, and Python • Monitor and improve data quality using checks and diagnostics • Investigate issues across large datasets • Work with Product, Data Engineering, Apps, and ML teams • Maintain...