Backend Engineer

The app will give trade customers 24/7 self-service access to full product range while equipping the sales team with modern tools. It will replace much of the current manual process (phone, email and brochure-style website) with a professional, efficient mobile experience.

Requirements

Language & Framework:

• TypeScript (advanced) — strict typing, decorators, async patterns
• Node.js — runtime fundamentals, event loop
• NestJS — modules, DI, guards/interceptors; modular-monolith → microservices design

Data:

• PostgreSQL relational modelling for a transactional commerce domain
• Transactions / ACID / concurrency control
• Postgres full-text search + GIN indexes
• ORM + migrations — Prisma, TypeORM, or Drizzle

Architecture:

• DDD / microservices extraction patterns — bounded contexts, module seams for later service extraction

Security & Auth:

• OAuth2 / OIDC, JWT, token lifecycle

Async Processing:

• SQS workers — retries, dead-letter queues
• EventBridge scheduled jobs

Cloud & Delivery:

• Core AWS — ECS Fargate, RDS, S3, ElastiCache (Redis), CloudWatch
• Docker; CI/CD; observability
• Amazon SES transactional email

Nice to have:

• HTML-to-PDF generation
• AWS CDK (TypeScript) infrastructure-as-code
• Amazon Cognito — MFA, passwordless/magic-link
• Firebase Cloud Messaging / APNs push
• OpenSearch, Multi-AZ HA, X-Ray tracing
• ALB, WAF, Secrets Manager, KMS

Responsibilities:

• Collaborate with cross-functional team to define technical requirements and shape product architecture
• Design and develop scalable backend services and APIs from scratch
• Build core platform functionality with a focus on performance, reliability, and security — Integrate external services, databases, and third-party APIs
• Ensure adequate unit and integration test coverage
• Contribute to code reviews and technical discussions
• Communicate effectively and collaborate with the team

Benefits

• Udemy courses of your choice
• Team-buildings, events, marathons & charity activities to connect and recharge
• Workshops, trainings, expert knowledge-sharing that keep you growing
• Clear career path
• Absence days for work-life balance
• Flexible hours & work setup — work from any of listed locations and organize your day your way

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