Node.js TypeScript SUMMARY
18 600 - 22 800 PLN
gross on UoP PROJECT
As a Senior Node.js / TypeScript Developer, you will be working on the development and maintenance of backend applications, services, and integrations in an international environment. The project involves building reliable and scalable solutions, improving system performance and observability, and supporting operational teams through effective monitoring and troubleshooting tools. YOU WILL
Build and maintain middleware layers and service integrations. Write clean, maintainable, and well-tested code following modern software development practices. Develop and maintain
unit and integration tests
using Jest, Vitest, or similar frameworks, applying TDD principles. Analyze and troubleshoot runtime errors, performance issues, and application regressions. Work with asynchronous processing, batch operations, and database transactions. Identify and resolve security vulnerabilities in application code and dependencies. Configure, maintain, and troubleshoot
CI/CD pipelines
using Azure DevOps or GitHub Actions. Design and implement
observability, monitoring, and corrective tools
for operations and support teams. Leverage
AI-assisted and agentic coding tools , including Claude Code, GitHub Copilot, and MCP. Collaborate with international development and operations teams. MUST HAVE
Solid knowledge of TypeScript fundamentals, including interfaces, generics, type inference, and type safety. Experience with TypeScript configuration ( tsconfig.json ) and integration with build tools. Hands-on experience developing backend applications and REST APIs using
Node.js and Express. Good understanding of the
Node.js event loop, asynchronous execution, batch processing, and database transactions . Experience with
unit and integration testing
using Jest, Vitest, or similar frameworks, including TDD practices. Strong debugging and troubleshooting skills, including performance analysis and regression investigation. Experience managing dependencies within the
NPM ecosystem , including package versioning and security vulnerability remediation. Practical experience with
Azure DevOps or GitHub Actions
and CI/CD pipelines. Experience with
AI-assisted development and agentic coding , including Claude Code or GitHub Copilot, MCP, skill design, and context engineering. Experience designing observability and corrective tooling for production systems. Strong understanding of software engineering best practices and maintainable code design. Fluent in English
and experience working in international, distributed teams. NICE TO HAVE
Experience with
SAP CAP (Cloud Application Programming Model)
using Node.js. Knowledge of
SAP BTP / BAIP , including Cloud Foundry deployment and operations. Experience with
OData APIs , data modeling, and service consumption patterns. Familiarity with model-first application development in the SAP ecosystem OUR OFFER
Benefits: Extended medical care
(over 2000 medical facilities in Poland, 80 in Kraków) for you and your family;
Multisport
card
;
Life insurance
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Senior Node.js/TypeScript Developer (18/31) in Katowice – pracodawca: Infolet
Jako pracodawca, oferujemy wyjątkowe możliwości rozwoju zawodowego w dynamicznym środowisku technologicznym, gdzie Twoje umiejętności w zarządzaniu portfelem projektów będą miały realny wpływ na sukces organizacji. Nasza kultura pracy opiera się na elastyczności, współpracy i ciągłym doskonaleniu, a dodatkowe benefity, takie jak pakiet medyczny i sportowy, sprawiają, że dbamy o dobrostan naszych pracowników. Pracując z nami, będziesz częścią zespołu, który od 20 lat wspiera liderów IT, co daje Ci szansę na zdobycie cennego doświadczenia w branży fintech.
