Praca w miastach:Praca IT Warszawa•Praca IT Kraków•Praca IT Wrocław•Praca IT Szczecin•Praca IT Poznań•Praca IT Lublin•Praca IT Katowice•Praca IT Bydgoszcz•Praca IT Łódź•Praca IT Białystok•Praca IT Toruń•Praca IT Gdańsk
Stanowiska:Grafik komputerowy praca•Tester gier praca•Programista praca•Tester oprogramowania praca•Frontend Developer praca•Data scientist praca•Tester manualny praca•Tester praca•Analytics praca•Tester aplikacji praca•Programista java praca•Web developer praca
Technologie i narzędzia:Python praca•Cyberbezpieczeństwo praca•Java praca•Bazy danych praca•Cisco praca•C++ praca•Javascript praca•SQL praca•Business Intelligence praca•Delphi praca•Wordpress praca•Testowanie aplikacji praca•C# praca•PHP praca
Specjalizacje:Backend praca•Devops praca•Frontend praca•Full-stack praca•GameDev praca•Mobile praca•Embedded praca•Architecture praca•QA/Testing praca•Security praca•AI/ML praca•Big data science praca•Helpdesk praca•IT admin praca•Agile praca•Product Management praca•Project Management praca•UX/UI praca•Business analytics praca•SAP & ERP praca•System analytics praca•PO/PM praca•Scrum master praca•Analityka praca•Data analytics & BI praca
Offer summary
(Summary generated by AI based on the full job description)
The project is an integration platform connecting business-critical systems and data platforms. The stack includes Node.js, AWS Lambda, SQS and Terraform with IaC practices. Responsibilities cover designing and developing REST APIs, building and maintaining production integrations, improving reliability, scalability and observability, and collaborating with global architecture and product teams. Required: 5+ years Node.js, 2+ years in data/system integration, experience with CI/CD and GitHub workflows, basic Linux, fluent English and residency in Poland.
Senior Node.js Developer (f/m/x)
Company: Sii Sp. z o.o.
from: 5 October 2026
to: 4 November 2026
salary not specifiedB2B contract (full-time)
salary not specifiedcontract of employment
Offer parameters
level:senior
working mode:remote • hybrid • full office
Białystok, Centrum
Requirements
Expected technologies
Node.js
REST
AWS
Terraform
AWS Lambda
GitHub
CI/CD
Linux
Amazon SQS
Optional technologies
AI Tools
DynamoDB
Our requirements
- Minimum 5 years of commercial experience in Node.js development
- At least 2 years of experience in system and data integration, including data analysis and transformation
- Proven experience with distributed systems and a solid understanding of design patterns supporting scalability, reliability, and robustness
- Hands-on experience in designing and implementing REST APIs and building integration solutions
- Experience with AWS services (especially Lambda and SQS), Terraform, and Infrastructure as Code practices
- Solid knowledge of GitHub workflows and CI/CD practices, basic Linux command-line skills and shell scripting,
- Fluent English and residency in Poland
Optional
- Experience with AI-powered development tools
- Knowledge of DynamoDB or other document databases
- Experience with streaming and event-driven architectures
Your responsibilities
- Developing and enhancing integration services and APIs to support business-critical applications and data platforms
- Maintaining and supporting production integrations while ensuring platform stability and reliability
- Investigating and resolving integration, data flow, and platform-related issues to improve service quality
- Designing and implementing REST APIs and modern integration solutions across distributed systems
- Building and maintaining AWS-based infrastructure and integration components using Terraform and serverless services
- Improving platform reliability, observability, scalability, and performance through engineering best practices
- Collaborating with global architecture, product, and engineering teams on technical solutions and platform evolution
About the project
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.
This is how we work
Senior Node.js Developer (f/m/x)
I apply to:
Sii Sp. z o.o.
Białystok, Centrum
Pracodawca zbiera zgłoszenia przez swój system.
Przejdziesz na zewnętrzny formularz.
By clicking "Aplikuj" you confirm that you've read and accepted our Terms and Conditions.
Certain terms used in this advertisement result from the standard layout and functionality of the website. They are technical in n ...
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Need more information?
- Make sure the body of the offer doesn’t already include what you’re looking for.
- Ask a question if you need more information you’re interested in.
- We’ll forward your question to the employer and aim to provide a response within 3 business days.