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Tezos ecosystem career opportunities

Tezos is the product of many organizations and individuals across the globe working together on an open-source project.

Full-Stack AI Engineer (15 UA team members, startup, YC )

Madfish

Madfish

Software Engineering, Data Science
Ukraine · Europe
Posted on Nov 19, 2025

WHO WE ARE

Respaid unlocks hidden B2B revenue through AI-powered debt collection.
We're a 20+ person team across the US & Europe—including 10 Ukrainian engineers—shipping weekly via Linear, LLM agents, and full-stack automation. Backed by Y Combinator and founders of Dropbox & Docker.

WHY JOIN US

  • Ship AI that drives revenue — Your code impacts the bottom line from day one.
  • Elite tooling & velocity — 99.9% uptime, 10–50× dev speed through Cursor, Claude Code, and n8n.
  • Small, high-impact team — Zero corporate bureaucracy. Direct access to CEO/CTO.
  • Clear growth path — Out-ship and out-learn your way to Staff/Lead roles.

RESPONSIBILITIES

  • Build end-to-end AI features: data scraping → RAG pipelines → automated system synchronization
  • Craft idempotent, rate-limit-resilient integrations with CRMs and accounting platforms
  • Engineer context-rich AI responses and dynamic debt recovery orchestration
  • Validate and iterate on AI outputs to ensure production-grade accuracy
  • Contribute to DevOps, CI/CD, and SRE practices to maintain 99.9% uptime
  • Ship code daily using PHP Laravel and Python FastAPI
  • Pair with AI coding assistants (Cursor, Claude Code) for 10× throughput
  • Monitor logs/metrics, resolve bugs, and automate repetitive tasks
  • Collaborate with leadership on product roadmap and system architecture

YOUR PROFILE

Required:

  • Strong PHP (Laravel) and Python (FastAPI) experience (OR you can learn extremely fast)
  • Proven track record shipping AI-powered production systems (not research projects)
  • Hands-on experience with RAG pipelines, large-scale web scraping, and prompt engineering
  • Solid API integration and workflow automation skills
  • Rapid context-switching ability with self-starter, ownership mindset
  • Upper-Intermediate English with clear asynchronous communication skills

Nice to Have:

  • Frontend development (React)
  • AWS, AWS Bedrock, OpenAI Platform
  • Multi-tenant SaaS architecture experience
  • Email deliverability optimization and event analytics
  • Infrastructure as Code (IaC), CI/CD pipelines, light SRE work

WHAT WE OFFER

  • Fully remote with flexible hours (core overlap GMT+2/+3)
  • Generous time off: PTO + national holidays + paid birthday off (yours and your kids')
  • Private health insurance and EN/UA language courses
  • Direct leadership access with zero red tape
  • Fast-track promotion path to Staff/Lead for top performers

HOW TO APPLY

Step 1: Apply with one AI workflow you shipped and its measurable business impact (ROI).

Step 2: Top 1% of candidates receive a paid 2-hour AI coding challenge.

Step 3: Pass → 30-min CEO call → Offer.