Jobs in Sheffield, United Kingdom

Handshaik is the platform to find, nurture and win more deals.

• Remote-first (UK preferred, but EU also acceptable)
• Competitive day rate
• Full-time availability preferred
• Initial contract term negotiable (typically 36 months), with potential extension

Handshaiki s on a mission to transform how deals get done. Already trusted by leading industry organisations and fuelled by a £1.7m pre-seed raise, weʼre building the AI platform of choice for modern dealmakers.

Weʼre a fast-growing start-up where ideas move quickly from concept to product. If youʼre excited by solving complex problems, working in a collaborative environment, and having a tangible impact, youʼll feel at home here.

Weʼre looking for an experienced Front-End React/Next.js contractor to help us accelerate the delivery of core product features. Youʼll own key areas of the UI and work closely with our design, backend, and AI engineering teams to bring AIdriven functionality to life - particularly natural-language search, agentic workflows, and intelligent, context-aware components.

This role is ideal for someone who can hit the ground running, deliver quickly, and thrive in a high-autonomy environment.

• User interfaces for LLM-powered search, AI agents, and data analytics
• Clear and intuitive UX for interacting with AI reasoning, results, and suggestions
• Front-end components that integrate with our API, vector search layer, and agentic orchestration systems
• Rapid iterations on scoped projects, new features and experiments with AIdriven interactions
• Front-end performance optimisation, accessibility improvements, and UI polish

• 3+ years of commercial front-end experience, ideally including contract work
• Strong React, Next.js, JavaScript/TypeScript skills
• Confident building component libraries, reusable UI patterns, and clean frontend architecture
• Experience integrating complex APIs and async behaviour
• Able to work independently, manage your own delivery, and produce highquality output quickly
• Strong communication skills and a collaborative mindset

• A portfolio of delivered React projects
• Experience designing chat-style interfaces or AI assistant UIs
• Familiarity with data visualisation or dashboards
• Basic backend knowledge to help shape API contracts

If this role excites you and you believe youʼre a strong fit, weʼd love to hear from you. Please send a short cover note along with your CV.

Equals One is an advertising and recruitment agency working on behalf of our client to promote this vacancy. You may be contacted directly by the employer should they wish to progress your application. Due to the number of applications we receive, we are unable to provide specific feedback if your application is unsuccessful.