Senior Full Stack Engineer (Java — first/ Vue.JS & Angular — second)

Senior Full Stack Engineer with strong Java/Spring backend and Vue.js/Angular frontend skills, working on fintech features end-to-end, API integrations, and architecture decisions. 100% remote.

• Features end to end: DB migration, backend endpoint, and the frontend.
• Lots of API integrations with external providers (payments, verification, KYC). Needs to be done reliably — retries, idempotency, webhooks.
• Money logic and KYC.
• Take part in architecture decisions, not just implement them.
• Pick up new tech and problem domains fast — the stack and requirements will keep changing.

• Strong Java/Spring: JPA/Hibernate, transactions, Spring Security.
• Concurrency: threads, race conditions, synchronization, distributed locks, ShedLock.
• Solid with the Java library ecosystem (Guava etc.) and knows when to use what.
• Strong TypeScript and modern frontend development with Vue 3 and Angular.
• Vue 3: Composition API, composables, reactive state, component composition.
• Angular: standalone components, Signals, dependency injection, component composition.
• Data fetching and server state.
• Forms with VeeValidate + Zod.
• Client-side state management with Pinia and Signals.
• Routing with Vue Router and Angular Router.
• Comfortable with Tailwind CSS and component libraries, building responsive and accessible UI from designs.
• Working in a Vite + Turborepo monorepo.
• Fintech experience (payments, accounts, money flows). This matters, not a nice-to-have.
• Multiple API integrations with external services: auth, retries, idempotency, webhooks.
• Real understanding of networking: TCP/UDP and how they actually work.
• Data formats and protocols: JSON, Protobuf, HTTP, gRPC.
• AWS and Git/GitHub.
• English B1+.
• KYC providers (Sumsub, Onfido or similar).
• Crypto experience (blockchain, wallets, on-chain payments, stablecoins).
• Terraform, ECS/IAM/RDS in production.
• Comfortable using AI tools.

• 100% remote work.
• Competitive salary.
• Paid vacation and sick leave.
• Friendly and innovative work community.