Senior Java Developer

Link Group • Blockchain & Crypto • Cybersecurity • Java • 3 days ago
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Salary
≈ $60k – $100k per year (Estimated)
Location
Hybrid (Poland)
Seniority
Senior

Confirmed on the employer's own hiring board on Oct 11, 2026. First seen by Alion on Oct 9, 2026. Link Group scores A on the Alion truth index.

Overview
Company
Impact
Profile match

Link Group

Link Group is a Polish technology services company founded in Warsaw in 2016 that builds and supplies engineering teams to clients across Europe. Its model combines body leasing and managed teams with delivery of complete software, cloud and cybersecurity projects, drawing on a large bench of contractors rather than a fixed permanent staff. The company works heavily in financial services, telecommunications and public sector projects, and has built a specialisation in blockchain and distributed ledger engineering alongside more conventional cloud and application development work.
linkgroup.co • HQ: Warsaw, Poland • Blockchain & Crypto • Information Technology • Cybersecurity • Managed IT Services (MSP) • IT Outsourcing & Dedicated Teams • IT Staffing & Staff Augmentation • 1001-5000 employees • Est. 2016

Skills:

  • Extensive experience (>15 years) Java, Flowable, Spring Boot, ORM frameworks (JPA, iBatis), Security (Azure AD, OAuth), Kafka, CosmosDB, PostgresSQL, Redis, REST, Azure, Docker, Kubernetes, Maven, Gradle, microservices and data streaming architectures
  • AI-assisted software development.
  • Deep understanding of Computer Science fundamentals and modern software development practices including SDLC
  • Strong communication skills, including ability to translate business requirements into global solutions and collaborate with other technology teams

Expertise:

  • Specialist in delivering high-performance, high-throughput, real-time streaming and time-series data platforms

Responsibilities:

Takeover tasks fro other vendor

Developing new functionalities

Application maintenance

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