Backend Architect and Developer

JavaScript

Backend Architect and Developer

JavaScript
Remote, Poland (Remote)

Productiv Team

Full-time
B2B
Senior
Remote

Job description

We are seeking a mid to senior level engineer with deep expertise in backend engineering, cloud-native architecture, and enterprise system integration. 

Key Responsibilities 

  • Design, develop, and maintain enterprise-grade backend services using Node.js, TypeScript, and NestJS.

  • Architect and implement high-performance REST and SOAP APIs for complex enterprise integrations.

  • Optimize PostgreSQL databases for high availability, partitioning, replication, and performance tuning.

  • Define and enforce secure coding practices, design patterns, and architectural principles.

  • Collaborate with DevOps, frontend, QA, and product stakeholders to ensure seamless integration and delivery.

  • Troubleshoot production issues, enhance reliability, and implement performance tuning at scale.

  • Lead code reviews, enforce coding standards, and integrate quality gates in CI/CD pipelines.

  • Mentor client engineering teams, contribute to technical strategy and architecture decisions.

  • Integrate external systems, tools, and services to extend backend capabilities.

  • Provide continuous innovation by adopting cloud-native, serverless, and emerging backend technologies.

Required Qualifications

  • Minimum 5+ years of backend development experience with Node.js, TypeScript, and NestJS.

  • Proven expertise in designing and scaling RESTful APIs and SOAP services for enterprise-grade systems.

  • Advanced proficiency in PostgreSQL administration (performance tuning, replication, partitioning).

  • Strong experience with Git workflows, CI/CD pipelines, and automated quality controls.

  • Deep understanding of cloud-native architectures and serverless implementations.

  • Hands-on experience with AWS services (EC2, EKS, Lambda, S3, RDS, CloudWatch, API Gateway).

  • Solid knowledge of Kubernetes (deployment, scaling, troubleshooting).

  • Experience mentoring teams and driving technical leadership in multi-stakeholder environments.

  • Expertise with Splunk (monitoring, dashboards, alerting).

  • Familiarity with Spinnaker or advanced deployment pipelines.

Education

  • Bachelor’s degree in Computer Science, Software Engineering, or related field (required).

  • Master’s degree preferred but not mandatory.

Technology / Systems Expertise

  • Node.js + NestJS + TypeScript – backend framework.

  • PostgreSQL with advanced extensions (Citus, Patroni, TimescaleDB).

  • Swagger / OpenAPI + Postman – API documentation & testing.

  • GitHub / GitLab + GitHub Actions / Jenkins – version control & CI/CD automation.

  • SonarQube, ESLint, Prettier – code quality enforcement.

  • AWS (EC2, EKS, Lambda, Fargate, S3, RDS, CloudWatch, API Gateway) – cloud & serverless stack.

  • Docker + Kubernetes (EKS) + Helm – containerization & orchestration.

  • Splunk, Prometheus, Grafana – monitoring & observability.

  • Spinnaker / ArgoCD/ Azure Devops – automated deployment pipelines.

  • Terraform / AWS CDK – infrastructure as code.

Skills & Capabilities

  • Demonstrated expertise in backend architecture and scalable API design.

  • Advanced database optimization & high availability strategies.

  • Strong proficiency in CI/CD, GitOps, and DevOps integration.

  • Hands-on experience in cloud-native and Kubernetes-based deployments.

  • Proven ability to mentor engineers, lead architecture decisions, and drive best practices.

All our positions are Remote and are available as Full Time Employment or B2B Contracts.

Tech stack

    English

    B2

    REST

    master

    AWS

    advanced

    Git

    advanced

    PostgreSQL

    advanced

    Nest.js

    advanced

    TypeScript

    advanced

    CI/CD

    advanced

    Node.js

    advanced

    Kubernetes

    regular

Office location

Backend Architect and Developer

Summary of the offer

Backend Architect and Developer

Remote, Poland (Remote)
Productiv Team
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