8h ago
Sr. Software Engineer, Fullstack
Remote - UK
โจ $130k-$175k / yearest.
full-timesenior Remotesoftware
๐ Tech Stack
๐ผ About This Role
You'll join the team responsible for Firstup's public APIs, Agentic tools, and third-party integrations, building scalable SaaS applications end-to-end. You'll drive system reliability and performance across the stack while leveraging AI-assisted tools like GitHub Copilot to accelerate delivery. This role offers the chance to shape architecture and mentor engineers in a mission-driven company serving Fortune 100 clients.
๐ฏ What You'll Do
- Build and own scalable SaaS applications end-to-end
- Design future-ready architectures and close performance gaps
- Drive system availability and resolve reliability issues
- Champion shift-left testing and code quality reviews
๐ Requirements
- 5+ years building reliable applications and microservices in production
- Proven full-stack fluency across frontend, backend, and database layers
- Technical depth in at least one engineering domain (distributed systems, multi-tenant SaaS, etc.)
- Active use of Generative AI tools and coding agents in daily work
โจ Nice to Have
- Familiarity with Ruby on Rails, TypeScript, Node.js, or React.js
๐ Benefits & Perks
- ๐๏ธ Unlimited PTO
- ๐ฅ Comprehensive health coverage
- ๐ฐ Equity opportunities
- ๐ Learning & development budget
๐จ Hiring Process
Estimated timeline: 2-4 weeks ยท AI estimate
- 1Recruiter Callยท 30 min
- 2Technical Interviewยท 60 min
- 3Hiring Manager Interviewยท 45 min
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