fullstack developer contract jobs in Sheffield

You will be responsible for the end-to-end design, development, and delivery of a critical, high-scale digital service. Leveraging your expertise across the full technology stack, you will build robust solutions that meet stringent standards for security, performance, and reliability.

A fast-growing fintech company is hiring a Fullstack Developer(AI) to help build the next generation of intelligent, personalized financial platforms. This role blends modern front-end engineering with AI-powered workflows, automation, and human-centered design to deliver seamless digital experiences for users across global markets. You'll join a lean, high-impact product and engineering team...

You will be a Senior level App Developer to join an in-house team to help develop and launch two exciting new products that will form a key part of the company proprietary event technology suite. Working closely with the CTO, following clear technical requirements along with an experienced Developer and the Head of department to bring both apps to life, from initial build to live deployment.

The Role We're looking for an exceptional Software Engineer / Back-End Developer - a true "super dev" - with proven Design Patterns expertise and a deep understanding of software engineering/development. This is a high-level contract role, suitable for someone operating at a Principal Engineer or Lead Engineer level. You'll join a small, highly skilled team building a new platform driven by...

Front-End Contractor (React / Next.js) Location: Remote (UK based candidates only) Contract: Outside IR35 Day Rate: Up to £400 per day I am currently looking for an experienced front-end developer to help deliver key product features at speed for one of my start up clients. You’ll work on high-impact UI components and collaborate with design, backend, and AI teams to create interfaces for...

Overview AUDITSU is developing a proprietary automation system to explore and analyse mobile applications at scale. We're looking for an engineer who understands the internals of Android automation frameworks and enjoys solving problems that don't yet have established answers. This is a 60-day R&D contract with defined outcomes, full technical autonomy, and scope for continued...

Company Description Cryptoiex, founded in 2019, is an Estonia-based blockchain platform designed to make cryptocurrency trading fast and easy. The platform provides lightning-fast trade execution, dependable digital wallets, and top-tier security practices. With a mission to simplify the exchange process, Cryptoiex actively contributes to the crypto community while driving transformative...

Node.js / JavaScript Developer (Outside IR35) Location: UK Remote (Manchester or London preferred for occasional meetings) Rate: £400 per day (Outside IR35) Duration: 3 months (initial) Start Date: ASAP The Role We're looking for an experienced Node.js / JavaScript Developer to join a 3-month greenfield project, focused on upgrading and modernising an existing system from Perl to...

Join OSF Digital this year - a globally recognised digital transformation specialist, and be part of our driven and innovative team. As a trusted Salesforce partner for over a decade, we are experts in B2B, B2C, and multi-cloud solutions. We have recently celebrated our 20th anniversary and have been steadily expanding our global presence. We are proud of our many accomplishments, including...

DV Cleared - Contract Palantir Engineer (Outside IR35) Contract Length: 3-6 months initially (extensions highly likely) IR35 Status: Outside IR35 About the Role We're looking for experienced Contract Palantir Engineers with active DV clearance to join a high-impact project working alongside a 3rd-party supplier team. You'll play a key role in designing, building, and documenting applications...

You will need to be able to create strong, visually exciting content that fits within our brand guidelines, which may include but not be limited to graphics, videos and reels and photo editing encouraging engagement that builds brand awareness, drives traffic and fosters both engagement with brand partners and our community.

Senior SAP Ariba SLP, Contracts Consultant About NTT DATA Business Solutions: NTT DATA Business Solutions Group is part of the NTT DATA Corporate Group a top 10 global IT services provider, headquartered in Tokyo, operating in more than 50 countries. We combine a global reach with local intimacy to provide premier professional SAP services from deep industry expertise consulting to applied...

Senior Flex Pricing Analyst / Product Owner | Contract | Remote | 2-3 months | Outside IR35 | Remote | £500-£700 Contract: 2–3 months Location: Fully Remote (UK-based candidates) Rate: £550–£700 per day Status: Outside IR35 I am working with a leading energy provider committed to innovation and customer-centric solutions. As part of thier next phase of growth, they are launching a flexible...

Growth Marketer (Contract) B2B Lead Generation Outside IR35 2–3 days per week Remote Day Rate dependent on experience I'm supporting a fast-growing SaaS business in the People/HR space who are looking for a hands-on Growth Marketer to help scale their B2B lead generation engine. Having just hired a Sales Director, they now want a commercially minded marketer who can partner with sales to...

National Contracts Manager – KBB Sector Leading Manufacturer | Design-Led Interiors ASR is partnered with a leading manufacturer within the KBB sector, currently undergoing an exciting phase of growth and transformation. This is a newly created role within the group, offering an excellent opportunity for an ambitious and commercially minded individual to make a real impact and shape the next...

Interim Legal counsel 3 month contract £300 - £350 per day UK - fully remote Responsibilities - Analyzing, summarizing, advising on, drafting and negotiating all kinds of contractual documentation including software license agreements and SaaS agreements for customers - Ensuring compliance with corporate policies - Negotiating with outside parties on contractual issues and legal disputes -...

You will play a key role in ensuring infrastructure is robust, secure, and designed for scalability using Infrastructure as Code (IaC) practices, with a strong emphasis on Terraform. Key Responsibilities: - Design, implement, and manage scalable cloud infrastructure using AWS services and Terraform

Contract Bid Manager Are you able to blend creativity and commercial acumen to craft winning tenders that stand out from the competition? Do you have the persistence and organisation needed to manage multiple bids, deadlines, and stakeholders with precision? Can you see yourself shaping a growing Foodservice and retail contract business — and being the driving force behind its success? MB are...

Cloud Infrastructure Engineer (Contract) – Data Centre Migration Hybrid / Bristol (on-site once per month) £550 per day (Inside IR35) 3-Month Initial Contract | 12-Month+ Project About the Role We are seeking an experienced Cloud Infrastructure Engineer to support a large-scale data centre migration project for one of our key clients. This is an exciting opportunity to work on a critical...

Contracts Manager – Grid & Renewable Infrastructure 📍 UK | Hybrid | Senior Delivery Team We’re recruiting on behalf of a fast growing renewable energy developer that’s expanding its UK grid and BESS delivery programme. With multiple utility scale projects moving through construction, they’re now looking to appoint a Contracts Manager to take ownership of commercial and contractual strategy...