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Java Tech Leader with cloud
New
Java

Java Tech Leader with cloud

Kraków
44 USD/hNet per hour - B2B
44 USD/hNet per hour - B2B
Type of work
Full-time
Experience
Senior
Employment Type
B2B
Operating mode
Remote

Tech stack

    English

    C1

    Polish

    B2

    Java

    master

    JVM

    advanced

    SQL

    advanced

    Cloud Infrastructure

    advanced

    API

    advanced

    DevOps

    advanced

    Docker & Kubernetes

    advanced

    Monitoring Tools

    regular

Job description

Online interview

We are seeking an experienced Java Tech Lead to drive the design, development, and delivery of our payment systems. You will partner with architects and development teams to translate business requirements into robust, scalable microservice solutions, ensuring their successful deployment and operation.


Project information:

  • Industry: Consulting

  • Location: 100% remote with once-a-month visits in Kraków

  • Type of employment: b2b or employment contract

  • Budget: 160 net/h on a b2b contract

  • Project language: Polish, English

  • Project: Migration from IBM OpenPages to a new technology to meet regulatory requirements

  • Team: a full-stack team of 10 engineers (Front/Back/QA/SM)

  • Start date: ASAP

 

Project scope:

  • Analyze business and technical requirements for the Payments Operations Lifecycle (POL) project

  • Design, develop, and optimize Java/Spring Boot microservices architecture

  • Lead the migration of existing components to a scalable, cloud‑native architecture

  • Perform JVM tuning, memory optimization, and application diagnostics

  • Oversee operational support and stability of payment solutions

  • Enforce DevOps best practices (CI/CD pipelines, automation)

  • Lead architectural discussions and coordinate with stakeholders


Required Qualifications

  • Bachelor's degree in Computer Science or related field

  • 10+ years of hands‑on experience in Java backend development and API architecture

  • Proven expertise in designing APIs and creating architectural artifacts (gap analysis, LLDs, data models)

  • Strong skills in Spring Boot, microservices, application security & authentication

  • Solid understanding of Linux, networking, storage, and load‑balancing

  • Expertise in JVM tuning and diagnostic tools for performance optimization

  • Hands‑on experience with Docker, Kubernetes, and service mesh technologies

  • Proficiency with monitoring/observability tools (AppDynamics, Splunk, Jaeger, Kiali, OpenTelemetry)

  • Familiarity with cloud infrastructure (VPC, IAM, firewall) and DevOps practices

  • Expert‑level SQL coding abilities

  • Excellent English communication skills (written and verbal)

 

Nice to Have

  • Experience in the payments domain

  • Scrum certification

  • UI/UX design experience in Java applications


What We Offer

  • Fully remote work with monthly trips to the client's office in Kraków

  • Flexible employment terms (UoP or B2B)

  • Training budget and professional development opportunities

  • Collaboration with seasoned architects and specialist teams

  • Modern tools and technologies in a dynamic environment

  • Healthcare and Multisport benefits

  • Group insurance

44 USD/h

Net per hour - B2B