Senior Node.Js Engineer

Camlin Energy Ltd; Kraków; Hybrid; PLN 240,000 - 320,000; Full time

Benefits offered by this job

Hybrid work model

Company pension & life assurance

Multisport membership

Private healthcare

Job summary

Camlin Energy Ltd is seeking a Senior full-stack Node.js Engineer to join our team developing embedded Linux applications for monitoring equipment in electrical networks. You will own complex features from design through delivery and guide others.

The role focuses on JavaScript/TypeScript with Node.js for microservices and React.js for web apps, communicating via REST APIs. Hybrid work model depending on project needs.

Qualifications

• Substantial commercial experience delivering production software with Node.js, JavaScript, and TypeScript.
• Ownership of complex features or services from design through implementation, testing, release, and operational support.
• Experience making architectural decisions for maintainable, reliable software systems.
• Strong debugging and problem-solving skills in Linux environments.
• Understanding of REST APIs and protocols such as Ethernet, serial, and TLS/SSL.
• Ability to plan complex work, manage technical risks and dependencies, and collaborate across disciplines.
• Fluent English, both written and verbal.

Responsibilities

• Own the design and delivery of complex embedded software capabilities using Node.js, TypeScript, JavaScript, and React.
• Define and evolve microservice, REST API, and application architecture in line with reliability, maintainability, security, and performance requirements.
• Lead investigation and resolution of complex software and system issues on Linux-based embedded devices.
• Own technical planning for complex work, identify dependencies, and communicate delivery risks and trade-offs early.
• Improve CI/CD pipelines and engineering workflows to support dependable, repeatable delivery.
• Set the testing approach for assigned capabilities and ensure effective unit, integration, and system-level coverage.
• Provide technical guidance and mentoring to engineers through design discussions, pairing, and constructive code reviews.
• Drive coding standards, documentation, and engineering best practices across the team.
• Collaborate with QA, DevOps, product, hardware, and other engineering teams to deliver coherent end-to-end solutions.

Skills

Node.js

JavaScript

TypeScript

English proficiency

Linux debugging

Tools

Docker

GitLab CI/CD

Job description

company

About Camlin

Camlin is a global technology leader that operates with the vision of bringing revolutionary products to life for a wide range of industries, including power and rail, and also has interests in a number of R&D projects in a variety of scientific sectors.

At Camlin we believe in high quality engineering and design, allowing us to develop market leading products and services. In short, we love creating value for our customers by solving difficult problems. As of now, Camlin operates in over 20 countries worldwide.

role

We are looking for a Senior full-stack Node.js Engineer to join our team developing embedded Linux applications for monitoring equipment in electrical networks. You will take ownership of complex technical outcomes, help shape system design and engineering practices, and provide guidance to other developers.

The role is primarily focused on JavaScript and TypeScript development, using Node.js to design and evolve microservices on our embedded Linux platform and React.js to create web applications that communicate with back-end services through REST APIs. You will make and communicate architectural decisions, balancing reliability, maintainability, security, and delivery needs.

You will lead the design, implementation, testing, and debugging of new features for IoT embedded devices across the full software development lifecycle. You will tackle ambiguous and system-level problems, identify dependencies and delivery risks, and drive solutions from technical approach through production readiness.

Responsibilities:

• Own the design and delivery of complex embedded software capabilities using Node.js, TypeScript, JavaScript, and React.
• Define and evolve microservice, REST API, and application architecture in line with reliability, maintainability, security, and performance requirements.
• Lead investigation and resolution of complex software and system issues on Linux-based embedded devices.
• Own technical planning for complex work, identify dependencies, and communicate delivery risks and trade-offs early.
• Improve CI/CD pipelines and engineering workflows to support dependable, repeatable delivery.
• Set the testing approach for assigned capabilities and ensure effective unit, integration, and system-level coverage.
• Provide technical guidance and mentoring to engineers through design discussions, pairing, and constructive code reviews.
• Drive coding standards, documentation, and engineering best practices across the team.
• Collaborate with QA, DevOps, product, hardware, and other engineering teams to deliver coherent end-to-end solutions.

Required Qualifications:

• Substantial commercial experience delivering production software with Node.js, JavaScript, and TypeScript.
• Demonstrated ownership of complex features or services from technical design through implementation, testing, release, and operational support.
• Experience making and communicating architectural decisions for maintainable, reliable software systems.
• Strong debugging and problem-solving skills in Linux environments, including investigation of cross-service or system-level issues.
• Strong understanding of REST APIs and common communication and transport protocols such as Ethernet, serial, and TLS/SSL.
• Proven ability to raise engineering standards through code reviews, technical guidance, and continuous improvement.
• Ability to plan complex work, manage technical risks and dependencies, and collaborate effectively across disciplines.
• Fluent English, both written and verbal.

Preferred Qualifications:

• Experience with Docker for containerization
• Experience with GitLab CI/CD for automated deployments
• Experience with Linux system configuration
• Knowledge of IoT-related projects and experience in hardware-software integration
• Familiar with Agile methodologies and experienced in using Jira and Confluence
• Experience with Rust is an additional advantage.

Benefits:

• Employment contract with competitive salary
• Work in small, self-organized and autonomous development teams with the ability to choose technologies and best practices
• Hybrid work model
• Company Pension & Life Assurance Schemes
• On-site parking (car and bike)
• For employees joining our office in Poland:
• UoP with 80% author’s rights tax relief
• MyBenefit system with Multisport membership, private healthcare (Medicover)
• Wellness programmes

Our Values

• We work together
• We believe in people
• We won’t accept the ‘way it has always been done’
• We listen to learn
• We’re trying to do the right thing

Equal Employment Opportunity Statement

Individuals seeking employment at Camlin are considered without regards to race, colour, religion, national origin, age, sex, marital states, ancestry, physical or mental disability, gender identity or sexual orientation.