Senior Node.js Developer with AWS

Warszawa-based opportunity with remote work model As a Senior NodeJS Developer , you will be working for our client, a leader in advancing cloud infrastructure and distributed systems. You will help build robust, scalable, and high-performing solutions that drive innovation in data processing and system integration—transforming complex architectures into seamless, elastic platforms. This role offers an excellent opportunity for growth within a dynamic, forward-thinking environment. Your main responsibilities: Develop and maintain server-side applications using NodeJS, ensuring high performance and scalability. Design, implement, and optimize APIs in line with REST principles. Build and refine infrastructure-as-code configurations for AWS services using Terraform. Manage cloud infrastructure operations, focusing on serverless components like Lambda, SQS, and S3. Collaborate on system architecture design, ensuring robustness, elasticity, and failover strategies. Conduct system analysis, data transformation, validation, and troubleshooting to improve reliability. Work within CI/CD pipelines, leveraging GitHub Actions and GitHub tools for seamless deployment. Communicate technical solutions effectively in English to cross-functional teams. You're ideal for this role if you have: Minimum 4 years’ experience in software development, with at least 2 years focused on NodeJS. Proven expertise in system and data integration, including data analysis, transformation, and validation. Deep understanding of distributed system design patterns, resilience, scaling, and failure handling. Experience designing and implementing REST APIs and cloud infrastructure using Terraform on AWS. Basic knowledge of AWS services such as Lambda, SQS, CloudWatch, and S3. Solid experience working with GitHub, including CICD pipelines and issue management. Familiarity with Linux command-line tools and shell scripting. Excellent communication skills in English, with a problem-solving and business-oriented mindset. It is a strong plus if you have: Experience with DynamoDB, DocumentDB, or streaming services. Advanced certifications in AWS or related cloud technologies. Language Required for the role: Fluent English, both written and spoken. Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered for this role. We offer you: Ironwood Digital Business Consultants is involved in various, innovative, and professional IT projects for international companies in the financial industry in Europe. We offer an environment for professional, ambitious, and driven people. The offer includes: Stable and long-term cooperation with very good conditions Enhance your skills and develop your expertise in the financial industry Work on the most strategic projects available in the market Define your career roadmap and develop yourself in the best and fastest possible way by delivering strategic projects for different clients of Ironwood Digital over several years Participation in Social Events, training, and work in an international environment Access to an attractive Medical Package Access to Multisport Program #GETREADY Internal job ID #8942 You can report violations in accordance with Ironwood Digital’s Whistleblower Procedure available here .