Senior Cloud-Native Developer for Modernization & Microservices

Jobtailor

Warszawa

On-site

PLN 180,000 - 240,000

Full time

14 days+

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Job summary

Jobtailor in Warsaw is seeking a software engineer to design, develop, test, and maintain cloud-native applications and legacy systems, focusing on Java and API development.

You will analyze requirements, implement microservices, and support CI/CD pipelines with Docker, Kubernetes, and cloud migrations. Collaboration with cross-functional teams will ensure secure, scalable, high-quality software. Continuous learning is encouraged.

Qualifications

Bachelor's degree in Computer Science, Software Engineering, Information Technology, or related field.
3–5 years of software development experience.
Proficient in Java and at least one cloud platform (Azure or AWS).
Experience with cloud-native development, containers, Kubernetes, and microservices.

Responsibilities

Design, develop, test, deploy, and maintain software applications using cloud and legacy technologies.
Translate business requirements into technical solutions.
Develop scalable cloud-native apps, APIs, and microservices.
Maintain and enhance legacy applications for business continuity.
Participate in modernization and cloud migration projects.
Perform unit testing and support various testing levels.

Skills

Java

Analytical thinking

Communication

Problem-solving

Team collaboration

Detail-oriented

Independent worker

Continuous learning

Proactive

Security awareness

Education

Bachelor's degree in Computer Science/Software Engineering/Information Technology

Tools

Docker

Kubernetes

Git

Azure DevOps

GitHub

Job description

• Design, develop, test, deploy, and maintain software applications using cloud and legacy technologies
• Analyze business requirements and translate them into technical solutions
• Develop scalable cloud-native applications, APIs, and microservices
• Maintain and enhance existing legacy applications to ensure business continuity
• Participate in application modernization and cloud migration projects
• Perform unit testing and support integration, system, and user acceptance testing
• Troubleshoot, debug, and resolve application issues in development and production environments
• Optimize application performance, scalability, and security
• Collaborate with Solution Managers, Business Analysts, QA Engineers, DevOps Engineers, and Infrastructure teams
• Participate in code reviews and ensure adherence to development standards and best practices
• Create and maintain technical documentation, including design specifications and operational procedures
• Support CI/CD pipelines and automated deployment processes
• Continuously evaluate new technologies and recommend improvements to existing solutions

Requirements

Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related field
Minimum 3–5 years of experience in software development
Strong programming experience in one or more languages, especially Java
Experience with cloud platforms such as Microsoft Azure and AWS
Knowledge of cloud-native development, containers (Docker), Kubernetes, and microservices architecture
Experience with relational databases (SQL Server, Oracle, PostgreSQL, MySQL) and API development
Familiarity with Git, Azure DevOps, GitHub, or other version control and CI/CD tools
Understanding of Agile/Scrum software development methodologies
Knowledge of secure software development practices
Strong analytical and problem-solving skills
Excellent programming and debugging capabilities
Ability to work independently and collaboratively in cross-functional teams
Strong communication and stakeholder engagement skills
High attention to detail and commitment to software quality
Adaptability to both modern cloud technologies and legacy application environments
Strong organizational and time management skills
Continuous learning mindset and willingness to adopt emerging technologies
Results-oriented with a proactive approach to problem solving

Core Competencies

Demonstrates expertise in designing and developing scalable cloud-native applications, APIs, and microservices while maintaining legacy systems. Proficient in cloud platforms, secure software development practices, and collaborative problem-solving within cross-functional teams.

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