Junior Java Software Engineer

We are looking for a Junior Java Software Engineer to join a large-scale internet security protection platform serving millions of end users, providing threat protection, parental controls, and network security for residential and business subscribers. The platform processes high volumes of network traffic and manages real-time security services. You will join a collaborative team with a strong mentorship culture, including principal engineers and senior leads, pair programming, and thorough code reviews, and own the full stack across backend, frontend, and infrastructure.

Responsibilities

• Implement features and fixes in Java Spring Boot microservices
• Build React/TypeScript components and manage state with Redux
• Write unit and integration tests using JUnit, Jest, and Spring Test
• Support infrastructure automation with Ansible/Terraform
• Assist with load testing using JMeter
• Debug issues across distributed microservices
• Optimize performance in low-latency environments (sub-100ms)
• Optimize SQL queries in PostgreSQL and Vertica
• Manage async state in React applications
• Contribute to improving deployment pipelines and infrastructure as code
• Participate in code reviews, documentation, standups, and pair programming sessions

Requirements

• 0–2 years of experience or a strong academic/project background, with a CS/Software Engineering degree or equivalent
• Knowledge of Java fundamentals, including OOP, collections, streams, and basic concurrency
• Knowledge of SQL basics, Git, and understanding of REST/HTTP/JSON
• Learning agility, proactive attitude, and problem-solving skills
• Collaboration, curiosity, ownership, and communication skills
• B2+ English proficiency

Nice to have

• Background in Java/Spring Boot internships and microservices
• Familiarity with cloud platforms (AWS/GCP/Azure)
• Familiarity with Agile/Scrum and testing frameworks
• Knowledge of monitoring tools (Prometheus/Grafana/ELK)
• Understanding of security basics (OWASP) and networking fundamentals (DNS/HTTP/TCP-IP)
• Experience with AI tools (e.g., code assistants, AI-powered development tools)

We offer

We gather like-minded people:

• Top tech minds driving innovation in AI, cloud and digital platform modernization
• Supportive team and an agile, startup-like culture that accelerates your growth
• Hybrid work model designed for collaboration, requiring 3 days a week from the office
• Chance to work abroad for up to 60 days annually

We provide growth opportunities:

• Career development programs
• Thought leadership, mentoring, soft skills and well-being programs
• Certification (Anthropic, Gemini, GCP, Azure, AWS)
• English classes

We cover it all:

• Stable pay
• Participation in the Employee Stock Purchase Plan with a 15% discount
• Benefits package (health insurance, multisport, shopping vouchers)
• Referral bonuses up to $2,000
• Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and more
• Corporate, social and well-being events

Please, note:

• We will reach out to selected candidates exclusively

EPAM 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.

Hybrid in Poland: Katowice