Senior Full Stack Engineer
2 weeks ago
Senior Full Stack Engineer (Python / FastAPI / AI) Sourceful is a technology company headquartered in Manchester, England. Its platform helps brands design logos, shelf‑ready packaging and visual assets across sectors including food and beverage, beauty, electronics, fashion, and home. Sourceful’s agentic platform guides users from ideation to print‑ready artwork files that can be sent directly to suppliers. Sourceful’s users come from design and non‑design backgrounds. Sourceful has also developed a state‑of‑the‑art Image Generation and Editing model, Riverflow, which is a multi‑purpose model that can be used by developers via API. The company is backed by Index Ventures, Coatue Management, and Eka Ventures. About the role Sourceful is looking for a Senior Full‑Stack Engineer with a strong foundation in scalable core systems, deep Python experience, and enough frontend fluency to help craft a seamless, AI‑enabled product. You’ll work close to our emerging AI features, shaping services that carry real‑world load and help millions turn ideas into reality. Key responsibilities Own and deliver scalable core systems while collaborating closely across the stack to ensure seamless frontend experiences. Design, build and maintain systems and APIs that power Sourceful’s AI‑driven design tools. Shape APIs that are clean, scalable and easy for frontend and external developers to use. Optimize system performance and reliability across the stack. Address spiky traffic challenges, including queues, rate limits and auto‑scaling. Collaborate closely with design and frontend teams to ship fast and iterate often. Tackle complex technical challenges, from prompt chaining to real‑time rendering. Qualifications Technical skills 5+ years of engineering experience in core systems engineering. 4+ years of hands‑on Python experience, including production systems you owned end‑to‑end. Professional experience with FastAPI in production, ideally supporting 10k+ users or comparable load. Comfortable working close to ML/AI features and integrating with model‑driven services. Intentionality with AI/dev tools (e.g., Copilot, Cursor, Devin) and knowing when to override them. Proven ability to deliver complex features autonomously in ambiguous, high‑growth environments. Nice to have: experience with GPUs, model fine‑tuning, or applied Transformer‑model workflows. Soft skills Systems thinker who values clarity, simplicity and performance. Sharp design sensibility and obsessive attention to detail. Fast, autonomous builder who thrives in ambiguity. Strong communicator who enjoys sharing work and mentoring others. Mission‑aligned: Passionate about solving hard problems with elegant, intuitive interfaces. What you’ll get Building a world‑class product with a small but mighty A‑player team. Mentoring and coaching from Cofounder & CEO. Access to latest AI tools for coding. Pension plan and private health insurance. 25 vacation days per calendar year. Performance bonuses. Hybrid work arrangement: average 3 days/week in our lovely Hub in Manchester Central. Seniority level Mid‑Senior level Employment type Full‑time Job function Engineering and Information Technology Industries Software Development, IT Services and IT Consulting, and Technology, Information and Media #J-18808-Ljbffr
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Manchester, United Kingdom Searchability Full time**BRAND NEW EXCITING ROLE FOR A FULL STACK DEVELOPER WITH A LEADING SOFTWARE HOUSE!** - Up to £65k, supportive management, opportunities for any further training and generous benefits - C#,.NET Frameworks, Azure, SQL, Angular - Flexible working arrangements Based in Manchester, we are a leading software house working with nationally and globally recognised...
