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September 1, 2026

Senior Java Software Engineer

Senior • On-site

Krakow, Poland

Senior Java Software Engineer / Technology Lead

Lead technology delivery for investor-facing solutions within a major digital transformation initiative. The environment is fully cloud-native on AWS, with a strong focus on serverless technologies and microservices. Provide hands-on technology leadership for full-stack backend development, including microservices, APIs, and data-store design, while guiding 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 team output.
  • Provide technology thought leadership and support sound technical decision-making.
  • Remove technology-related obstacles throughout the project lifecycle.
  • Work with architects, the CTO organization, and cross-functional teams to ensure technology governance and best practices.
  • Understand functional and non-functional requirements and quality attributes; build solutions accordingly.
  • Contribute to and improve architecture and design.
  • Build, review, and ensure the quality of data models, API contracts, architecture, frameworks, and code.
  • Assist with effort estimation, planning, prioritization, and dependency identification.
  • Manage technology artifacts.
  • Analyze legacy applications and define target-state design and architecture.

Requirements

  • Bachelor’s degree in Computer Science or a similar field; 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, and CloudWatch.
  • Proficiency in cloud-native microservices architecture with strong AWS expertise.
  • Expertise in the 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 in full-stack development.
  • Strong organizational skills and ability to deal with ambiguity.
  • Attention to detail and team leadership capabilities.
  • Ability to collaborate with cross-functional teams, including Database, CTO organization, and API Economy teams.
  • Excellent English communication and presentation skills in a client-facing role.

Nice to have

  • Front-end experience with Angular and TypeScript.
  • Experience with Node.js for backend services.
  • Familiarity with Python for scripting or data-related tasks.
  • Experience with DynamoDB, PostgreSQL, or legacy DB2 databases.
  • Knowledge of monitoring tools such as Splunk.
  • Experience with testing frameworks, including Cucumber and API testing tools.
  • 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.

We offer

  • Hybrid-by-design work and the opportunity to work remotely within Poland.
  • Opportunity to work abroad for up to 60 days annually.
  • Business-driven relocation opportunities.
  • Career development programs, thought leadership, mentoring, and soft-skills and well-being programs.
  • Certification opportunities in Anthropic, Gemini, GCP, Azure, and AWS.
  • English classes.
  • Stable pay.
  • Participation in the Employee Stock Purchase Plan with a 15% discount.
  • Benefits package including health insurance, Multisport, and shopping vouchers.
  • Referral bonuses up to $2,000.
  • Offices with entertainment and relaxation zones, table tennis, football, free snacks, coffee, and more.
  • Corporate, social, and well-being events.

Benefits listed above are available to employees only. Contractor engagement is available; B2B cooperation terms are agreed individually. Only selected candidates will be contacted.

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