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Test Yantra

Full Stack Java Developer - API

Test Yantra
Poland · Contract · Entry
Role: Full Stack Java Developer - API

Employment: Contract

Location: Warsaw/Krakow,PL - Hybrid

Skills

  • Minimum of 8 years’ applied experience as an API engineer
  • Strong experience in API designing and creating architectural artefacts such as gap analysis, low level designs, data models etc.
  • More than 5 years of engineering background in back-end microservices application development, application security and authentication development, cache and middleware
  • More than 8 years’ experience programming in Java and ideally Go and Rust
  • Expertise in JVM tuning and diagnostic for application troubleshooting and performance-optimization
  • Expertise in distributed system design including microservices, Springboot
  • Experience working with Kafka, Docker, k8s, service mesh
  • Experience with monitoring and observability technologies: Splunk, Grafana, Prometheus, Jaeger, Kiali, Open Telemetry
  • Experience in cloud and DevOps, familiar to network (VPC) and firewall on cloud, identity and access management, cloud delivery including sizing and costing
  • Demonstrable knowledge on infrastructure like Linux OS, networking, storage, network load-balancing, Kubernetes CNI.
  • Strong SQL coding abilities is preferred
  • Experience of working in a financial institution, ideally in payments

Key Skills

Ranked by relevance

cloud microservices java identity and access management kubernetes prometheus firewall grafana storage docker devops splunk kafka linux sql jvm
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Country Guide

Poland

Fast-growing Central European IT hub

Posted
Jan 22, 2026
Type
Contract
Level
Entry
Location
Warsaw
Company
Test Yantra

Industries

IT Services IT Consulting

Categories

Engineering Information Technology

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