Senior Node.js Developer

EPAM Systems, Inc.; Kraków; Hybrid; PLN 180,000 - 250,000; Full time

Benefits offered by this job

Health insurance

Multisport card

Shopping vouchers

Employee stock purchase plan

Job summary

EPAM Systems, Inc. in Kraków/Gdańsk, Poland, is seeking a Senior Node.js Developer to design and build scalable microservices, REST APIs, and frontend solutions.

You will analyze legacy systems, define modernization architectures, and collaborate with cross-functional teams in a hybrid role (3 days in office). Role requires 5+ years in software engineering, strong Node.js/JavaScript skills, TypeScript familiarity, and deep AWS experience (EC2, S3, Lambda, Kinesis, DynamoDB, CloudWatch).

Qualifications

• 5+ years of experience in software engineering, including Node.js development.
• Strong expertise in JavaScript with practical experience in Node.js.
• Demonstrated experience in designing microservices architecture and building REST APIs.
• Solid hands-on experience with AWS cloud services such as EC2, S3, Lambda, Kinesis, Firehose, DynamoDB, and CloudWatch.
• Knowledge of database technologies including DynamoDB and PostgreSQL (DB2 legacy experience is a plus).
• Familiarity with TypeScript and JavaScript.
• Understanding of CI/CD, testing practices, and tools such as Cucumber and API testing frameworks.
• Experience working in Agile development environments.
• Excellent communication, client-facing skills, and the ability to manage ambiguity.

Responsibilities

• Design and develop scalable front-end applications, microservices, and REST APIs.
• Analyze existing legacy applications and define a target state architecture for modernization.
• Implement and optimize solutions within AWS cloud environment.
• Ensure performance, security, and reliability across applications and services.
• Work collaboratively in an Agile setting with cross-functional teams.
• Contribute to code reviews and establish engineering best practices.
• Use testing frameworks and monitoring tools to maintain product quality and stability.
• Communicate with clients and internal teams, providing technical insights and recommendations.

Skills

Node.js

JavaScript

TypeScript

REST APIs

Microservices

AWS

DynamoDB

PostgreSQL

CI/CD

Testing (Cucumber)

CloudWatch

Tools

AWS EC2

S3

Lambda

Kinesis

DynamoDB

CloudWatch

PostgreSQL

Job description

We're looking for a Senior Node.js Developer to join our team in Gdansk/Krakow, Poland, in a hybrid working mode (3 days from the office). In this role, you will contribute to the design and development of front-end solutions, microservices, and REST APIs, leveraging modern technologies and best practices. You will also play a key role in analyzing legacy systems, defining architecture for transformation projects, and collaborating with cross-functional teams to drive business value.ResponsibilitiesDesign and develop scalable front-end applications, microservices, and REST APIsAnalyze existing legacy applications and define a target state architecture for modernizationImplement and optimize solutions within a cloud environment using AWS servicesEnsure performance, security, and reliability across applications and servicesWork collaboratively in an Agile setting, engaging with cross-functional teams and stakeholdersContribute to code reviews and establish engineering best practicesUse testing frameworks and monitoring tools to maintain product quality and stabilityCommunicate effectively with clients and internal teams, providing technical insights and recommendationsRequirements5+ years of experience in software engineering, including Node.js developmentStrong expertise in JavaScript with practical experience in Node.jsDemonstrated experience in designing microservices architecture and building REST APIsSolid hands-on experience with AWS cloud services such as EC2, S3, Lambda, Kinesis, Firehose, DynamoDB, and CloudWatchKnowledge of database technologies including DynamoDB and PostgreSQL (DB2 legacy experience is a plus)Familiarity with TypeScript and JavaUnderstanding of CI/CD, testing practices, and tools such as Cucumber and API testing frameworksExperience working in Agile development environmentsExcellent communication, client-facing skills, and the ability to manage ambiguityWe offerWe gather like-minded people:Top tech minds driving innovation in AI, cloud and digital platform modernizationSupportive team and agile, startup-like cultureHybrid by design mode and opportunity to work remotely within PolandChance to work abroad for up to 60 days annuallyBusiness-driven relocation opportunitiesWe provide growth opportunities:Career development programsThought leadership, mentoring, soft skills and well-being programsCertification (Anthropic, Gemini, GCP, Azure, AWS)English classesWe cover it all:Stable payParticipation in the Employee Stock Purchase Plan with a 15% discountBenefits package (health insurance, multisport, shopping vouchers)Referral bonuses up to $2,000Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and moreCorporate, social and well-being eventsPlease, note:Benefits listed above are available to employees onlyWe are open for working with Contractors. Terms of B2B cooperation agreements are agreed individuallyWe will reach out to selected candidates exclusivelyEPAM is global leader in AI transformation engineering and integrated consulting, serving Forbes Global 2000 companies and ambitious startups. With over thirty years of expertise in custom software, product and platform engineering, we empower our clients to become AI-Native enterprises, driving measurable value from innovation and digital investments.