backend developer for secure APIs

HireHi; Amsterdam; On-site; EUR 70,000 - 100,000; Full time

Job summary

HireHi ищет бекенд-разработчика для разработки, hardening и масштабирования безопасных API на TypeScript/Node.js. Задачи включают расширение API через новые точки доступа, webhooks и расширенный поиск, а также улучшение опыта разработчика с публикуемыми спецификациями и песочницами.

Требуется опыт в современных backend-технологиях, REST/JSON API, OpenAPI и AWS; акцент на безопасность, тестирование и observability. Работа в Нидерландах, Амстердам, на месте.

Qualifications

• Бэкенд-разработка на TypeScript/Node.js, REST/JSON API, OpenAPI.
• Опыт проектирования relational schema, миграций и целостности данных.
• Опыт разработки с AWS и облачными сервисами, контейнерами и IaC.

Responsibilities

• Разрабатывать, усиливать и масштабировать безопасные API.
• Расширять API-поверхность новыми end-points, вебхуками и гибкой выборкой.
• Улучшать опыт разработчика через открытые спецификации и документацию.
• Обеспечивать тестирование, мониторинг и наблюдаемость, безопасность и устойчивость сервисов.
• Преобразовывать спецификации в рабочие задачи и регистрировать решения.

Skills

TypeScript/Node.js

REST API design

OpenAPI

AWS

CI/CD

Security

Tools

Docker

Kubernetes

Terraform

CI/CD tooling

Job description

Задачи

Build, harden, and scale secure APIs Grow the API surface with new endpoints, webhooks/callbacks, and richer querying Improve developer experience through clear contracts, published API specs, integration documentation, and sandbox environments Harden APIs through rate limiting, secret rotation, contract testing, and pen-test remediation Scale repeatable multi-partner onboarding, tenant isolation, load/performance testing, and caching Improve platform quality through SLOs, alerting, and resilience patterns Take capabilities from specification and design through tested delivery independently Break down and sequence work, and drive it to completion Write and work from specifications, acceptance criteria, and decision records Direct and review AI-assisted development output Prioritize security, testing, and observability while favoring simple solutions

Требования

Modern backend development in TypeScript/Node.js, including server-side HTTP services, networking fundamentals, and clean typed code REST/JSON API design, including versioning, consistent error contracts, idempotency, pagination, OpenAPI, and an API-as-contract mindset Relational data schema design, migrations, and data integrity Asynchronous and queue-driven systems, including background workers, job lifecycles, retries, and idempotent processing API security, including token-based authentication (OAuth/JWT), authorization, tenancy isolation, secure secret handling, fail-closed defaults, and awareness of OWASP API Security Top 10 Test-forward development using unit, integration, and contract tests Hands-on AWS experience is mandatory, including containers/compute, queuing, managed databases, secrets, and load balancing Cloud-native delivery with containerized services, infrastructure as code, and CI/CD pipelines Observability through structured logging, metrics, tracing, and audit trails; ability to debug production using telemetry Must currently live in the Netherlands Будет плюсом: fintech or other regulated-domain experience, platform/API-gateway team background, independently leading a small delivery

Условия

36 Hours per week Start: asap End: 01 June 2027 Possible extension: Yes ZZP is allowed Contract