Senior Node.js Developer (IR-532)

Posted 2 Days Ago
Be an Early Applicant
Hiring Remotely in Ukraine
Remote
Senior level
Consulting • PropTech
The Role
Design and build scalable backend services and APIs using TypeScript, Node.js and NestJS. Model PostgreSQL transactional schemas with ACID and full-text search, implement OAuth2/OIDC/JWT auth, async processing with SQS and EventBridge, deploy on AWS (ECS Fargate, RDS, S3, ElastiCache), ensure tests and CI/CD, integrate third-party services (SES), and contribute to code reviews and architecture for modular/microservice-ready systems.
Summary Generated by Built In

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

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

Skills Required

  • Advanced TypeScript (strict typing, decorators, async patterns)
  • Node.js runtime fundamentals and event loop knowledge
  • NestJS (modules, DI, guards, interceptors; modular-monolith to microservices design)
  • PostgreSQL relational modeling for transactional commerce domain
  • Transactions, ACID, and concurrency control in RDBMS
  • Postgres full-text search and GIN indexes
  • ORM and migrations (Prisma, TypeORM, or Drizzle)
  • Domain-driven design and microservices extraction patterns
  • OAuth2 / OIDC and JWT token lifecycle management
  • Asynchronous processing with SQS workers (retries, dead-letter queues)
  • EventBridge scheduled jobs
  • Core AWS: ECS Fargate, RDS, S3, ElastiCache (Redis), CloudWatch
  • Docker, CI/CD pipelines, and observability practices
  • Amazon SES transactional email integration
  • Adequate unit and integration test coverage
  • Participation in code reviews, technical discussions, and cross-functional collaboration
  • 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, AWS Secrets Manager, KMS
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The Company
HQ: New York, NY
199 Employees
Year Founded: 2007

What We Do

Intellectsoft is a digital transformation consultancy service that provides cutting-edge engineering solutions for global organizations with the mission to help enterprises accelerate the adoption of new technologies, untangle complex issues that always emerge during digital evolution, and orchestrate ongoing innovation. Intellectsoft has been named as one of the highly-rated software development B2B companies in 2021 by Clutch. Ranked No. 244 by Inc. magazine’s annual Inc. 5000 Regionals 2021, Intellectsoft has become one the nation’s fastest-growing private companies and demonstrated solid revenue growth of 37% over the last two years, fueled by customer’s need for innovative software solutions in the era of digitalization. The Company’s services portfolio offers strategic IT consulting, CX design, development, and full lifecycle management of custom software products and applications, and system integration. Whether it is a consumer-oriented app or a transformative enterprise-class solution, the company leads the process from ideation and concept to delivery and provides ongoing support.

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