NymCard

Full-stack Engineer

• Design and build features across backend APIs and frontend UI, from data models to component behavior.
• Backend: implement services in Python (Django, FastAPI) or Node.js (NestJS, Fastify) frameworks; define REST contracts, validation, idempotency, and error models; write integration and contract tests.
• Frontend: build in React using JavaScript/TypeScript, state management, reactive forms, and accessible extensible components.
• Data and correctness: write SQL for reads and updates, model entities and events, and add checks that reconcile with downstream consumers.
• Security by design: apply authentication and authorization, safe secrets handling, and careful PII handling aligned to PCI and ISO expectations.
• Observability: add structured logs, metrics, and traces; define basic SLIs and dashboards for your features.
• Performance and resilience: use sensible caching and timeouts, apply retries with backoff where needed, and keep latency budgets in mind.
• Quality: maintain unit, component, and end-to-end tests; keep CI checks green; write concise docs and change notes.
• Payments awareness: Handle flows like 3DS, tokenization, payment lifecycle states, refunds, BNPL plans, and reporting.
• Collaboration: review designs and code, break work into small PRs, and provide clear updates on risks, decisions, and next steps.

Full Stack Engineer

Backend Engineer

• Design and build APIs supporting NymCard's real-time payment infrastructure, processing millions of transactions with focus on scalability, performance, and reliability
• Own and drive the design of scalable backend services and APIs that power real-time payments
• Collaborate closely with Product, DevOps, and Engineering leads to align system capabilities with business goals
• Contribute to architectural decision-making, balancing performance, security, and maintainability
• Lead initiatives to evolve the platform from project-based delivery toward a unified product architecture
• Conduct thoughtful code reviews, raise engineering standards, and mentor others through technical leadership
• Troubleshoot and resolve complex production issues with a focus on root-cause elimination
• Influence and support the adoption of best practices in API design, observability, and operational resilience
• Provide input into roadmap planning from a technical feasibility and scalability perspective

Full Stack Engineer

Senior Java Backend Engineer