Job VC
Senior Fullstack Developer (for our partner group)
Technologies
Description
WHAT YOU'LL BE WORKING ON
Backend (Kotlin):
Financial core: ledger, settlement, payouts, pricing, reserves
Integrations: payment providers, KYC/KYB, banking (SEPA/SWIFT)
Webhooks & event-driven processing
REST APIs for product and internal tools
BPMN workflows (Camunda): onboarding, AML, disputes, settlements
Compliance flows: transaction monitoring, SAR
Frontend (Next.js):
Merchant portal (transactions, payouts, dashboards, onboarding)
Internal ops/admin tools (AML, disputes, treasury, compliance)
Developer portal (API docs, sandbox, integration guides)
Reconciliation across multiple systems (gateway → processor → bank)
Reporting: regulatory, scheme, financial
Fully automated testing (unit / integration / e2e, no manual QA).
OUR TECH STACK
Backend:
Kotlin, Spring Boot 3, Spring Modulith
Frontend:
Next.js 15, TypeScript, shadcn/ui, Tailwind CSS
Database:
PostgreSQL 18 (RDS, pgvector, JSONB, FTS)
BPMS:
Camunda 8 (Zeebe, BPMN, DMN)
Auth:
Okta
Infra:
AWS, EKS, Docker, GitLab CI/CD
WHAT YOU NEED TO SUCCEED IN THIS ROLE
At least 4-5 years of experience with Java/Kotlin (Spring Boot)
Solid experience building REST APIs and backend systems
Hands-on experience with React / Next.js and TypeScript
Strong knowledge of PostgreSQL (queries, indexing, migrations)
Understanding of event-driven architecture, webhooks, async processing
Experience with API design (versioning, idempotency, error handling)
Experience with CI/CD and Git workflows
Full-stack mindset (not backend-only)
Ability to work with system design and architecture decisions
Proactive approach and ownership (doesn’t wait for tasks, drives solutions)
Testing ownership
AI fluency: actively using AI tools in daily engineering work (not just basic usage)
Comfortable in a fast-paced startup environment, actively contributing ideas and driving solutions end-to-end rather than just executing tasks
English level at least A2-B1
WHAT WE OFFER
Remote work (EU timezone or close to it)
Competitive compensation above typical market benchmarks for similar roles
Direct collaboration with CTO and CPO
Fintech domain: card payments, compliance, settlement - deep immersion
Paid vacation and sick leave
Company-provided equipment (Apple devices)
Small, highly engaged team with strong ownership
Real opportunity to influence product decisions and bring your ideas to life
Fast-paced environment with minimal bureaucracy
Backend (Kotlin):
Financial core: ledger, settlement, payouts, pricing, reserves
Integrations: payment providers, KYC/KYB, banking (SEPA/SWIFT)
Webhooks & event-driven processing
REST APIs for product and internal tools
BPMN workflows (Camunda): onboarding, AML, disputes, settlements
Compliance flows: transaction monitoring, SAR
Frontend (Next.js):
Merchant portal (transactions, payouts, dashboards, onboarding)
Internal ops/admin tools (AML, disputes, treasury, compliance)
Developer portal (API docs, sandbox, integration guides)
Reconciliation across multiple systems (gateway → processor → bank)
Reporting: regulatory, scheme, financial
Fully automated testing (unit / integration / e2e, no manual QA).
OUR TECH STACK
Backend:
Kotlin, Spring Boot 3, Spring Modulith
Frontend:
Next.js 15, TypeScript, shadcn/ui, Tailwind CSS
Database:
PostgreSQL 18 (RDS, pgvector, JSONB, FTS)
BPMS:
Camunda 8 (Zeebe, BPMN, DMN)
Auth:
Okta
Infra:
AWS, EKS, Docker, GitLab CI/CD
WHAT YOU NEED TO SUCCEED IN THIS ROLE
At least 4-5 years of experience with Java/Kotlin (Spring Boot)
Solid experience building REST APIs and backend systems
Hands-on experience with React / Next.js and TypeScript
Strong knowledge of PostgreSQL (queries, indexing, migrations)
Understanding of event-driven architecture, webhooks, async processing
Experience with API design (versioning, idempotency, error handling)
Experience with CI/CD and Git workflows
Full-stack mindset (not backend-only)
Ability to work with system design and architecture decisions
Proactive approach and ownership (doesn’t wait for tasks, drives solutions)
Testing ownership
AI fluency: actively using AI tools in daily engineering work (not just basic usage)
Comfortable in a fast-paced startup environment, actively contributing ideas and driving solutions end-to-end rather than just executing tasks
English level at least A2-B1
WHAT WE OFFER
Remote work (EU timezone or close to it)
Competitive compensation above typical market benchmarks for similar roles
Direct collaboration with CTO and CPO
Fintech domain: card payments, compliance, settlement - deep immersion
Paid vacation and sick leave
Company-provided equipment (Apple devices)
Small, highly engaged team with strong ownership
Real opportunity to influence product decisions and bring your ideas to life
Fast-paced environment with minimal bureaucracy