Senior Back End Engineer (Node.js) at Adaptiq

Hoorya; Warszawa; Híbrido; PLN 240.000 - 300.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

20 days vacation + holidays

Accounting and legal support

Coworking space access

Descripción de la vacante

Hoorya is seeking a Senior Backend Engineer for a client project with Adaptiq, focusing on building scalable backend services using TypeScript and Node.js.

You will own system design, optimize PostgreSQL queries, collaborate with product and engineering teams, and contribute to React frontend when required, all while coordinating with DevOps for deployments and production readiness.

Formación

• 5+ years of backend development experience building production systems at scale.
• Strong TypeScript and Node.js expertise for complex services.
• Solid system-design skills and ability to explain trade-offs.
• Advanced PostgreSQL knowledge with focus on queries, indexing, and performance.
• Experience with CI/CD, Docker/Kubernetes, and observability.
• Familiarity with React and willingness to contribute to frontend when necessary.

Responsabilidades

• Design, develop, and maintain scalable backend services using TypeScript and Node.js.
• Take ownership of system-design decisions and ensure seamless integration with existing infrastructure.
• Collaborate with product and engineering teams to translate requirements into technical solutions.
• Design and optimize PostgreSQL queries, indexes, and performance.
• Contribute to React-based frontend functionality when required.
• Work closely with DevOps on deployments, observability, infrastructure capacity, and production readiness.
• Handle feature development, bug fixes, security improvements, and production patches.
• Evaluate architectural alternatives and communicate technical trade-offs in context of product and business needs.
• Incorporate modern AI development tools into daily engineering activities, including planning, coding, and testing.
• Participate in the team’s on-call rotation and support the resolution of critical production issues.

Conocimientos

TypeScript

Node.js

Distributed systems

PostgreSQL

React

CI/CD

Docker

Kubernetes

Observability

AI tools

Herramientas

CI/CD

Docker

Kubernetes

Descripción del empleo

Adaptiq is a technology hub specializing in building, scaling, and supporting R&D teams for high-end, fast-growing product companies across a wide range of industries. Our client is an established international technology company developing a sophisticated B2B software platform serving enterprise customers worldwide. We are looking for an experienced Senior Back End Engineer to join a product engineering team working on complex, large-scale software systems. This is a predominantly backend-focused role, with occasional frontend development when required by the project.

Обов’язки

• Design, develop, and maintain scalable production backend services using TypeScript and Node.js.
• Take ownership of system-design decisions for new capabilities and ensure seamless integration with existing infrastructure.
• Collaborate with product and engineering teams to understand requirements and translate them into effective technical solutions.
• Design and optimize PostgreSQL queries, indexes, and database performance.
• Contribute to React-based frontend functionality when required by the project.
• Work closely with DevOps engineers on deployments, observability, infrastructure capacity, and production readiness.
• Handle a variety of engineering activities, including feature development, bug fixes, security improvements, and production patches.
• Evaluate architectural alternatives and communicate technical trade-offs in the context of product and business requirements.
• Incorporate modern AI development tools into daily engineering activities, including planning, coding, and testing.
• Participate in the team’s on-call rotation and support the resolution of critical production issues.

Вимоги

• 5+ years of professional backend development experience building production systems at scale, with a strong understanding of distributed systems.
• Strong hands‑on expertise in TypeScript and Node.js, including developing and maintaining complex backend services.
• Solid system-design skills, with the ability to evaluate architectural options and explain technical decisions and trade‑offs.
• Strong PostgreSQL expertise, including complex SQL queries, query optimization, indexing, and performance tuning.
• Familiarity with React and willingness to contribute to frontend development when necessary.
• Familiarity with CI/CD, Docker or Kubernetes, and observability, with an understanding of the deployment lifecycle.
• Ability to work independently, collaborate across engineering teams.
• Strong product-oriented thinking and the ability to connect technical decisions with business and user needs.
• Practical experience using modern AI-assisted development tools.

Буде плюсом

• Experience with Microsoft Azure or another major cloud platform.
• Experience with Redis, Elasticsearch, or ClickHouse.
• Deeper hands‑on DevOps experience, including infrastructure and deployment workflows.

Що пропонуємо

• 20 days of vacation leave per calendar year, plus official national holidays in your country of residence.
• Full accounting and legal support in all countries where we operate.
• Powerful workstation and access to coworking space when needed.