Senior Node.js Developer - Intellectsoft

Intellectsoft is a software development company delivering innovative solutions since 2007. We operate across North America, Latin America, the Nordic region, the UK, and Europe. We specialize in industries like Fintech, Healthcare, EdTech, Construction, Hospitality, and more, partnering with startups, mid-sized businesses, and Fortune 500 companies to drive innovation and scalability. Our clients include Jaguar Motors, Universal Pictures, Harley-Davidson, and many more where our teams are making daily impact. Together, our team delivers solutions that make a difference. Learn more at www.intellectsoft.net/

Project Overview:

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