Senior Java Software Engineer

EPAM Systems; Poland; Hybrid; PLN 260,000 - 420,000; Full time

Job summary

EPAM Systems in Poland is seeking a Senior Java Software Engineer to serve as a Technology Lead for a product team delivering investor-facing solutions for a global asset manager. You will drive full-stack backend development with microservices and APIs, guiding legacy modernization and cloud-native architecture adoption, while working from the Krakow or Gdansk office three days a week.

The role requires 8+ years of experience, strong Java and Spring Boot, AWS proficiency, and excellent English

Qualifications

• Bachelor's degree in Computer Science or similar; Master’s preferred.
• 8+ years of professional software development experience.
• 8+ years designing microservices, REST APIs, and front-end applications.
• Strong hands-on Java and Spring Boot for backend microservices development.
• Experience with AWS cloud-native services (EC2, S3, Lambda, Kinesis, Firehose, DynamoDB, EKS, CloudWatch).
• Proficiency in cloud-native microservices architecture with strong AWS expertise.
• Excellent English communication and client-facing presentation skills.
• Agile methodology experience and hands-on technology leadership.

Responsibilities

• Take ownership and accountability for the technology solution and output delivered by the team.
• Provide technology thought leadership and assist the team in making sound technical decisions.
• Remove technology-related obstacles throughout the project lifecycle.
• Work with architects, CTO organization, and cross-functional teams to ensure governance and best practices.
• Understand requirements and build solutions accordingly with focus on quality attributes.
• Contribute to and improve architecture, design, data models, APIs, frameworks, and code quality.
• Assist in effort estimation, planning, prioritization, and dependency identification; manage artifacts.
• Analyze legacy applications and define target-state design/architecture.

Skills

Java

Spring Boot

Microservices

REST APIs

Agile

Leadership

Architecture

English communication

Education

Bachelor's degree in Computer Science or similar

Master's degree preferred

Tools

AWS

Angular

TypeScript

Node.js

Python

DynamoDB

PostgreSQL

Job description

EPAM is seeking a Senior Java Software Engineer to serve as a Technology Lead for a product team delivering investor-facing solutions for the world's second-largest asset management company — a global financial services leader managing trillions in assets and serving millions of investors worldwide. The client is driving a major digital transformation focused on agility, innovation, and automation, built on a completely cloud-native AWS architecture with a strong emphasis on serverless and microservices. EPAM operates as a strategic engineering partner with end-to-end product ownership — from ideation through post-production. In this role, you will provide hands‑on technology leadership for full‑stack backend development, including microservices, APIs, and data store design — while guiding the team through legacy modernization and cloud‑native architecture adoption. This role requires availability to work from the office 3 times a week in Krakow or Gdansk.

Responsibilities

• Take ownership and accountability for the technology solution and output delivered by the team
• Provide technology thought leadership and assist the team in making sound technical decisions
• Remove technology-related obstacles throughout the project lifecycle
• Work with architects, CTO organization, and cross‑functional teams to ensure technology governance and best practices are followed
• Understand functional, non‑functional requirements, and quality attributes — and build solutions accordingly
• Contribute to and improve architecture and design
• Build, review, and ensure quality of data models, API contracts, architecture, frameworks, and code
• Assist in effort estimation, planning, prioritization, and dependency identification
• Manage all technology artifacts
• Analyze legacy applications and define target‑state design/architecture

Requirements

• Bachelor's degree in Computer Science or similar (Master's degree preferred)
• 8+ years of professional software development experience
• 8+ years of experience designing and developing microservices, REST APIs, and front‑end applications
• Strong hands‑on experience with Java and Spring Boot for backend microservices development
• Experience with AWS cloud‑native services (EC2, S3, Lambda, Kinesis, Firehose, DynamoDB, EKS, CloudWatch)
• Proficiency in cloud‑native microservices architecture with strong AWS expertise
• Expertise in API economy with business acumen
• Ability to analyze legacy applications and define target‑state architecture
• Experience working in Agile methodology
• Hands‑on technology leadership — preferably full‑stack development
• Excellent English communication and presentation skills — this is a client‑facing role
• Strong organizational skills with the ability to deal with ambiguity
• Attention to detail and team leadership capabilities
• Ability to collaborate with cross‑functional teams (Database, CTO organization, API Economy, etc.)
• Nice to have Front‑end experience with Angular and TypeScript
• Nice to have Experience with Node.js for backend services
• Nice to have Familiarity with Python for scripting or data‐related tasks
• Nice to have Experience with databases: DynamoDB, PostgreSQL, or legacy DB2
• Nice to have Knowledge of monitoring tools such as Splunk
• Nice to have Experience with testing frameworks (Cucumber, API testing tools)
• Nice to have Familiarity with mobile testing tools such as Perfecto
• Background in financial services, asset management, or investor‑facing platforms
• Experience with data migration and legacy system decommissioning