1 to 25 of 30 Senior Developer Jobs in South Yorkshire

Senior Java Developer | Travel-tech Senior Java Developer | £300-400/day | Outside IR35 | Fully Remote within Europe A fast-growing travel-tech organisation is embarking on a major product evolution and is looking for an experienced Senior Java Developer to join their team. … both web and mobile clients. Contribute to shared architecture, functional models, and backend design patterns to unify services across the organisation. Required Skills & Experience Senior-level expertise building and maintaining commercial, production-scale applications. Deep proficiency in: Java Springboot (server-side development, API design) MySQL (performance optimisation, complex queries ...

Senior Java Developer | Travel-tech Senior Java Developer | £300-400/day | Outside IR35 | Fully Remote within Europe A fast-growing travel-tech organisation is embarking on a major product evolution and is looking for an experienced Senior Java Developer to join their team. … both web and mobile clients. Contribute to shared architecture, functional models, and backend design patterns to unify services across the organisation. Required Skills & Experience Senior-level expertise building and maintaining commercial, production-scale applications. Deep proficiency in: Java Springboot (server-side development, API design) MySQL (performance optimisation, complex queries ...

currently seeking an experienced Senior Developer to join our established Client Digital Solutions team responsible for the development, implementation, and maintenance of software solutions across both our UK and NL services sectors and our wider international clients. As an experienced Senior Developer, you will become ...

Senior .NET Developer (Licensing & CRM System) – Remote – Outside IR35 We're supporting an exciting greenfield project and are looking for an experienced Senior .NET Developer to join on a fully remote, outside IR35 contract starting January 2026. This is a 6-month engagement with strong potential … sprints using Jira. Frequent feature releases and stakeholder demos. Collaborative environment with a strong emphasis on quality and usability. Interested? If you're a senior-level .NET Developer who excels in enterprise builds and modern UI frameworks, this contract offers both challenge and impact. Get in touch ...

Senior .NET Developer (Licensing & CRM System) – Remote – Outside IR35 We're supporting an exciting greenfield project and are looking for an experienced Senior .NET Developer to join on a fully remote, outside IR35 contract starting January 2026. This is a 6-month engagement with strong potential … sprints using Jira. Frequent feature releases and stakeholder demos. Collaborative environment with a strong emphasis on quality and usability. Interested? If you're a senior-level .NET Developer who excels in enterprise builds and modern UI frameworks, this contract offers both challenge and impact. Get in touch ...

Senior SITS Developer | £55k - £68k | Remote We're partnering with a university who are ambitious and working on exciting projects. You'll be joining a small, collaborative team of SITS, Salesforce, and integration specialists with a genuine appetite for cross-skilling and modernising processes. Why This Role … Exceptional for a SITS Developer? Most SITS roles fall into one of two categories: BAU-heavy, little influence, repetitive support work Project-heavy but siloed with little say in system direction This role is neither. Title: Senior SITS Developer Duration: Permanent Location: Fully Remote Salary ...

Senior React Developer (Contract) Remote | 6-Month Contract | High-Scale Regulated Platform We're hiring a Senior React Developer to support the build and evolution of a large-scale, highly regulated digital platform in the payments/fintech space. This is a fully remote, contract role ...

product, customer success, marketing, and sales, we're gearing up for hyper‐growth. We're looking for two down‐to‐earth professional, a conscientious Senior Software Developer, to build on what already works and unlock our next wave of innovation. Your Impact Raise the bar sensibly. Whether … refining our Azure architecture as CTO or shipping revenue‐critical features as Senior Dev, you'll set high standards without reinventing the wheel. Champion intuitive user experiences. Both roles care deeply about usability, ensuring our platform feels effortless for travel pros and their travellers. Own the craft. Understand ...

Senior Business Central Developer Location remote Salary up to 75k A fast growing Microsoft partner is searching for a seasoned Business Central developer who can take full ownership of coding and solution build across a wide range of projects. You will join a team that invests … Help the team explore new tools including cloud tech AI features and reporting add ons What you bring * Strong experience as a Business Central developer with deep skill in AL and BC coding * A solid background across multiple versions of NAV and Business Central * Confidence working through full life ...

highest-rated specialist insurers, ensuring reliability and quality for our customers. Role Description This is a full-time remote position for a Senior Full Stack Developer/Full Stack Developer specializing in the insurance retail sector. Responsibilities include building and maintaining robust, scalable, and user-friendly software … Premiums, IPT, commission splits Bordereaux, claims data, and insurer reporting Audit trails and data integrity Collaboration & Delivery Work closely with Product, Compliance, Operations, and Senior Leadership. Translate business and regulatory requirements into technical solutions. Support junior developers and contribute to setting development standards and best practices. Participate in sprint ...

Title: Senior Azure Developer Day rate: Up to £480 a day Inside IR35 Location: Remote, UK Based Contract Type: 12 Month Contract (with scope to extend) Clearance: Must be holding active Security Clearance Role Overview We are seeking an experienced Senior Azure Developer. The role works closely … with a Lead Developer and wider technical team, with a strong focus on implementation, testing, and operational support of Azure-based integration solutions within a public sector IT environment. This position requires a hands-on developer who is comfortable operating across delivery and support, with strong experience ...

Title: Senior Azure Developer Day rate: Up to £480 a day Inside IR35 Location: Remote, UK Based Contract Type: 12 Month Contract (with scope to extend) Clearance: Must be holding active Security Clearance Role Overview We are seeking an experienced Senior Azure Developer. The role works closely … with a Lead Developer and wider technical team, with a strong focus on implementation, testing, and operational support of Azure-based integration solutions within a public sector IT environment. This position requires a hands-on developer who is comfortable operating across delivery and support, with strong experience ...

Senior Unity Engineer x5 - AAA Mobile Games Remote (UK or Europe based) | Japan HQ Studio | Full-time | Option to Relocate to Japan A Japan-headquartered AAA mobile game studio is expanding its team because of huge new funding and some very big upcoming releases that need to be worked … daily players, they're building sophisticated, large-scale titles that combine creativity, data-driven design, and cutting-edge tech. They're looking for multiple Senior Unity Engineers (or Staff/Principal level) to join remotely from the UK or Europe, with huge preference towards those keen to relocate ...

Senior Unity Engineer x5 - AAA Mobile Games Remote (UK or Europe based) | Japan HQ Studio | Full-time | Option to Relocate to Japan A Japan-headquartered AAA mobile game studio is expanding its team because of huge new funding and some very big upcoming releases that need to be worked … daily players, they're building sophisticated, large-scale titles that combine creativity, data-driven design, and cutting-edge tech. They're looking for multiple Senior Unity Engineers (or Staff/Principal level) to join remotely from the UK or Europe, with huge preference towards those keen to relocate ...

high-growth UK consumer platform in the online competitions/e‐commerce space is looking for a Mid-Senior Angular Developer to help scale a high-traffic product used by thousands of daily users. This is a fully remote role for UK-based engineers with strong modern Angular ...

digital agency, specialising in developing brands and digital experiences for global 'tech for good' clients. We are on the hunt for a talented Frontend Developer to join our small, fully remote team as a full-time Frontend Web Developer specialising in Shopify. We are in search ...

digital agency, specialising in developing brands and digital experiences for global 'tech for good' clients. We are on the hunt for a talented Frontend Developer to join our small, fully remote team as a full-time Frontend Web Developer specialising in Shopify. We are in search ...

Central Employment are working with a fast growing North East Search Marketing & Web Development Agency, as they look to recruit a talented Senior Shopify Developer. Working arrangement based on a successful process - if based in North East, 2 days in office, remote 2 days a month … Immediate start date on offer Senior Shopify Developer profile: Reporting directly to the SLT, you'll take ownership of all Shopify development work, while helping us shape and grow a brand-new department. The role offers the chance to make a real impact, working with an ambitious agency ...

Shopify Platinum Partner is hiring a Senior Shopify Developer to join their high-performing engineering team. They work with leading DTC brands across the Globe, delivering flagship storefronts, complex migrations and fully custom Shopify app solutions. This role is ideal for someone who wants to operate … Shopify ecosystem, shaping technical direction and delivering work that has real commercial impact. The Role You'll join the senior engineering group responsible for architecting solutions, leading builds and guiding technical standards across the team. This is deep Shopify engineering across both theme and app development. You'll work ...

Shopify Platinum Partner is hiring a Senior Shopify Developer to join their high-performing engineering team. They work with leading DTC brands across the Globe, delivering flagship storefronts, complex migrations and fully custom Shopify app solutions. This role is ideal for someone who wants to operate … Shopify ecosystem, shaping technical direction and delivering work that has real commercial impact. The Role You'll join the senior engineering group responsible for architecting solutions, leading builds and guiding technical standards across the team. This is deep Shopify engineering across both theme and app development. You'll work ...

between Hafnia, in partnership with Marfin Management, C Transport Maritime, Trans Sea Transport and BW Epic Kosan and Símbolo We are looking for a Senior Engineer to establish and lead our new Developer Experience team. This team's mission is to improve engineering productivity, consistency, and satisfaction … packaging, and deployment. Standardise release processes across services. Enable customer-facing packaging and deployments, without owning release decisions. Change Management & Adoption Identify friction in developer workflows through metrics, surveys, and incident data. Drive adoption of DevEx improvements by partnering with engineering teams, running enablement sessions, and monitoring uptake. Establish ...

between Hafnia, in partnership with Marfin Management, C Transport Maritime, Trans Sea Transport and BW Epic Kosan and Símbolo We are looking for a Senior Engineer to establish and lead our new Developer Experience team. This team's mission is to improve engineering productivity, consistency, and satisfaction … packaging, and deployment. Standardise release processes across services. Enable customer-facing packaging and deployments, without owning release decisions. Change Management & Adoption Identify friction in developer workflows through metrics, surveys, and incident data. Drive adoption of DevEx improvements by partnering with engineering teams, running enablement sessions, and monitoring uptake. Establish ...

expect to feel welcomed and supported by some truly talented people, in a company that is constantly innovating. We are looking for a Senior Frontend Developer, based in the UK. This role will involve building and maintaining our new website platform using Next.js, React, TypeScript, TailwindCSS and MongoDB. ...

expect to feel welcomed and supported by some truly talented people, in a company that is constantly innovating. We are looking for a Senior Frontend Developer, based in the UK. This role will involve building and maintaining our new website platform using Next.js, React, TypeScript, TailwindCSS and MongoDB. ...

Glasgow, offering a flexi working model of remote first or hybrid + ad hoc client site travel requirements. We are looking for a Senior Consultant .Net Full Stack Developers to join rapidly growing team, working across large scale government and private sector (Finance, Retail, Energy, Utility) digital transformation projects. ...