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Net2Source (N2S)

Back End Developer

Net2Source (N2S)
Poland · Contract · Mid-Senior

About Us:-

Net2Source Inc. is one of the fastest growing diversity certified global workforce solutions companies with an unprecedented YoY growth of over 100% for last 6 years working with Fortune 1000/Global 2000 across 34 countries and 5 continents including North America, South America, Europe, Asia, Australia and Middle East.


About the Role:-

Senior Java Backend developer

Mode-Hybrid-2 Days from Warsaw, Poland

Duration: 12 months

Type-B2B


Role Description

As a Senior Backend Developer you will lead the design and development of payment service features in close collaboration with the team You will take ownership of troubleshooting and resolving complex production issues performing root cause analysis and ensuring high code quality through thorough unit testing and code reviews You will mentor junior developers and actively contribute to agile ceremonies by demoing and documenting your work


Key Technologies

Java Spring Boot

OpenShift

Apache Kafka latest stable RabbitMQ latest stable

MongoDB

Oracle Database

DevOps tools for automation CICD and monitoring


Skills Experience

Expertlevel Java development skills

Proven experience building resilient highavailability and highperformance applications

Deep understanding of microservices architecture and distributed systems

Strong expertise in API design and implementation

Extensive experience with container orchestration platforms OpenShiftKubernetes

Indepth knowledge of messaging systems Apache Kafka RabbitMQ

Proficient with MongoDB and Oracle database technologies

Handson experience with DevOps practices automated testing and related tools

Leadership and mentoring skills to guide and support junior team members

Strong troubleshooting and problemsolving skills

Excellent coordination and communication within teams and with external stakeholders

Commitment to encouraging and building automated processes wherever possible

Experience with log and resource management

Thorough documentation skills

Familiarity with Jira and Confluence

Fluent English communication skills

Key Skills

Ranked by relevance

kafka java microservices rabbitmq devops apache oracle cicd jira
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Posted
Feb 18, 2026
Type
Contract
Level
Mid-Senior
Location
Warsaw

Industries

Staffing Recruiting

Categories

Information Technology

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