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Senior Node.js Developer

Sii Polska — Poland · Posted ~3 hours ago

Senior Full-time

Skills

Node.js REST APIs AWS Integration services Distributed systems API development Production support Troubleshooting Terraform REST APIs

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Summary ✨ AI‑Generated

Join an international engineering team building and modernizing a strategic integration platform. You will design and maintain integration services and REST APIs, support production systems, resolve data-flow and platform issues, and contribute to AWS-based infrastructure. The role combines backend development with reliability and scalability responsibilities.

Highlights

Senior engineering role focused on strategic integration platforms, modern APIs, cloud infrastructure, reliability, and scalability. The position provides collaboration with international engineering and architecture teams and opportunities to modernize existing systems.

Description

We are looking for a skilled Senior Node.js Developer to join an international team developing and enhancing a strategic integration platform connecting business-critical systems and data platforms. In this role, you will be responsible for designing, developing, and maintaining integration services while supporting platform reliability and scalability. You will collaborate with global engineering and architecture teams to modernize existing solutions and build new integration capabilities. Your tasks Developing and enhancing integration services and APIs to support business-critical applications and data platformsMaintaining and supporting production integrations while ensuring platform stability and reliabilityInvestigating and resolving integration, data flow, and platform-related issues to improve service qualityDesigning and implementing REST APIs and modern integration solutions across distributed systemsBuilding and maintaining AWS-based infrastructure and integration components using Terraform and serverless servicesImproving platform reliability, observability, scalability, and performance through engineering best practicesCollaborating with global architecture, product, and engineering teams on technical solutions and platform evolution Requirements Minimum 5 years of commercial experience in Node.js developmentAt least 2 years of experience in system and data integration, including data analysis and transformationProven experience with distributed systems and a solid understanding of design patterns supporting scalability, reliability, and robustnessHands-on experience in designing and implementing REST APIs and building integration solutionsExperience with AWS services (especially Lambda and SQS), Terraform, and Infrastructure as Code practicesSolid knowledge of GitHub workflows and CI/CD practices, basic Linux command-line skills and shell scripting,Fluent English and residency in Poland Nice to have Experience with AI-powered development toolsKnowledge of DynamoDB or other document databasesExperience with streaming and event-driven architectures Job no. JOB-9YPPW Sii ensures that all hiring decisions are made solely on the basis of qualifications and competence. We are committed to equal and fair treatment of all, regardless of legally protected characteristics. At Sii, we promote a diverse and inclusive work environment, in full compliance with applicable anti-discrimination laws. Benefits For You Great Place to WorkSolid financial situationContracts with the biggest brandsCentre of internal trainingsMany experts you can learn fromOpen and accessible management teamProfit sharingPassion Sponsorship programRegular integration events and tripsComfortable and well-equipped officesMySii appMedical care