Average Developer salary in the UK

Job: Product Developer - 12 month FTCLocation: Northampton Why Greencore?Following the combination with Bakkavor in January 2026, we're one of the UK's leading creators of convenience food, driven by a simple purpose: to make everyday taste better.As a vibrant and fast-moving business, we're proud to employ over 28,000 talented colleagues across 36 manufacturing sites and 21 distribution depots in the UK and the US. Together, we bring delicious food to life. Our products cover every meal occasion from breakfast through to dinner and dessert, with lunch and snacking in between.In FY25, our shared passion helped us achieve combined revenues of approximately £4bn. Our extensive direct to store (DTS) network, with 17 depots across the UK, allows us to deliver fresh and frozen food both our own and from trusted partners to thousands of stores every day, ensuring consumers enjoy the very best, whenever and wherever they shop.Here at Northampton, we operate one of the most impressive facilities in Europe, based across a campus of 5 manufacturing units, and we have a team of around 2,000 colleagues making high quality premium products every day. We are the sole supplier of sandwiches, wraps, rolls and sushi for Marks & Spencer.What you'll be doingWe have a 12 month FTC opportunity for a Product Developer to join our team at Northampton. As a Product Developer, your role will be to develop new, and modify existing products, in line with written briefs, customer expectations and financial targets to create products of sustainable and repeatable quality and sustainable cost.In this role you will be required to:Develop new and existing recipes into commercially viable products, benchmarking regularly to gain awareness of the market for a competitive advantage.Create recipes alongside the chefs, input recipes onto the recipe management system and review the accuracy of all recipes inputted by the product technologist and chefs to ensure they meet cost, weight and nutritional requirements.Ensure the viability of new raw ingredients from an operational, technical and product development perspective to bring innovation and challenge to existing Greencore policies and practices.Complete and/or review and approve all relevant documentation (feasibility forms, customer submission forms, concept to process handovers etc.) to ensure accuracy of information shared internally and externally.Put all products through the feasibility process; working with the commercial, operations, technical and purchasing teams to solve any issues to ensure concepts are repeatable, sustainable and scalable.Compile product costing information and adapt recipes to balance food quality with achievement of commercial brief targets within customer brand standards.Present benchmarking, existing (EPD) and new products (NPD) at internal and customer presentations, passionately demonstrate good market and food trends awareness, to achieve product approval.Follow the critical path time lines as directed, escalating incomplete tasks and deficiencies in testing, to ensure that mitigating action can be taken to prevent delays in product acceptance and launch.Assist the process team with the scale up production trials, as required, to ensure production quality matches the kitchen quality signed off by the customer.Provide leadership and direct to ensure that across the team people are kept safe, engaged, focused, developed an delivery to their potentialWhat we're looking forAt Greencore we put our people at the core. We celebrate their differences and help everyone to be themselves at work. Together we make every day taste better.Proven experience in food product developmentAnalytical; comfortable with producing and reviewing costingsProficient in all elements of product development from concept to launchProven track record of successfully validating products and producing high quality documentationConfident in presenting to all levels within the business and directly to customersExperience in people managementIf this sounds like you, join us and grow with Greencore, and be a part of driving our future success.What you'll get in return* Competitive salary and job-related benefits* Holidays* Competitive matched pension contributions* Life insurance up to 4x salary* Company share save scheme* Greencore Qualifications* Exclusive Greencore employee discount platform* Access to a full Wellbeing Centre platform* Enhanced parental leave and menopause policiesThroughout your time at Greencore, you will be supported with on the job training and development opportunities to further your career.

Work across both legacy and modern Microsoft environments and help lead a genuine migration programme rather than just maintain old systems.The business is growing and needs an experienced developer who can help move a core platform forward. Some of the estate is still in VB.NET, but the direction of travel is clear: modernising the codebase, improving architecture and helping drive the shift towards a more modern C# and .NET environment, with Azure and better engineering practices playing a bigger part.You would be joining a software team that supports applications used in a regulated healthcare setting. That means the work matters, but it also means security, reliability and data handling standards need to be taken seriously.Senior .NET Developer £60,000Remote with quarterly office visitsThis role is mainly back-end focused and would suit someone with strong C# / .NET experience who is also comfortable working with VB.NET. The split is roughly 75% C# / 25% VB.NET, so this is not purely legacy support. The real focus is helping drive the migration from older VB.NET systems into a more modern C# and .NET architecture.You would be joining an established team of circa 10 engineersWhat matters most:strong commercial C# / .NET experienceVB.NET experiencesolid back-end development skillsSQL / database understandingability to improve and modernise existing systemsNice to have:AzureCI/CDReactXamarin / .NET MAUI The applications sit in a regulated healthcare environment, so reliability, security and good engineering judgement matter.Package includes:Salary up to £60,000Remote workingQuarterly office visits25 days holiday + bank holidays5% pensionLife assuranceSick payPrivate medical after probation Apply now for more information please contact Ruby Calver at Spectrum IT Recruitment.Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.

Robert Half Technology are assisting a market leading financial services organisation to recruit a React Developer on a contract basis. Hybrid working - London basedRoleThe React developer will be working on the build of a product-grade React & Typescript application from greenfield through to a maintainable, globally scalable, and secure productGreenfield build to production: build a production-grade React & TypeScript application from zero to a maintainable, scalable platformData-dense UI delivery: Deliver high-quality UI for dashboards, tables/grids, filtering/sorting, drilldowns, forms, and multi-step workflowsState & data patterns: implement robust client-state and server-state patterns including loading/error states, retries, resilience, caching and invalidationPerformance engineering: Drive render efficiency, bundle size control, code splitting, virtualisation for large datasets, network efficiency, and instrumentation/observabilityAPI contract collaboration: Work with backend engineers on predictable API contracts via BFF (pagination, aggregation shapes, response models, error semantics)Security-by-design delivery: Apply secure front-end practices (auth/session hygiene, safe client-side data handling, dependency hygiene)Accessibility & usability: Ensure keyboard support, focus management, ARIA where appropriate, and strong empty/error states for complex UIsQuality discipline: Maintain a strong quality bar through code review, automated tests, CI quality gates, and release readinessDelivery pipelines: Contribute practically to build tooling, CI checks, deployment considerations and environment configurationDocumentation: Produce concise, proper documentation for key decisions, patterns and non obvious implementation detailsProfileThe React Developer will have significant commercial experience within financial services, building modern React applications (hooks, composition patterns, controlled/uncontrolled components, state lifting, modularisationDemonstrated ability to operate as a senior engineer: strong judgement, proactive risk management, pragmatic delivery, and high code quality standardsProven ability to design front-end architecture for long-term maintainability (module structure, feature boundaries, shared UI patterns, conventions)Comfortable establishing foundations early (linting/formatting, project structure, testing strategy, patterns for API access, error handling, and observability hook)Experience shipping complex interface: tables/grids, dashboards, rich filters, multi-step workflows, and interaction-heavy UIsFamiliarity with performance constraints caused by large datasets and frequent UI interactions (virtualisation, event handling)Strong TypeScript capability across: typed component APIs (props/contracts), shared domain models/DTOs, safe typing around API responses, error and async flows, sensible user use of generics/utility types without over-engineeringProven judgement selecting and implementing state patterns: clear separation of UI state vs server state, caching & invalidating strategies, avoiding unnecessary re-render and state leaksExperience with modern tooling such as TanStack QueryStrong awareness of security/performance best practices in client data fetching and caching (handling auth/session, sensitive data considerations, preventing accidental data leakage, safe error handling)Experience writing and maintaining meaningful automated tests with a strong judgement on what to test, keeping suites fast and avoiding brittlenessEvidence of improving real-world performance (bundle analysis, render optimisation, code splitting, virtualisation)Ability to keep UI responsive under heavy interaction patterns and large datasets.Security-conscious deliverySecurity-minded development practices (OWASP awareness, auth/session hygiene, dependency hygiene)Comfortable operating in environments where confidentiality, disciplined change control and auditability matterData visualisation (interactive charts; performance-conscious rendering)CompanyMarket leading financial services organisation with offices in LondonHybrid working - London based Salary & BenefitsThe salary range/rates of pay is dependent upon your experience, qualifications or training.Robert Half Ltd acts as an employment business for temporary positions and an employment agency for permanent positions. Robert Half is committed to diversity, equity and inclusion. Suitable candidates with equivalent qualifications and more or less experience can apply. Rates of pay and salary ranges are dependent upon your experience, qualifications and training. If you wish to apply, please read our Privacy Notice describing how we may process, disclose and store your personal data: