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Mile Kostoski

@milekostoski

Senior Java Backend Engineer at Prospective Media Services AG, automated job distribution across 1,700+ channels with Spring Boot microservices.

North Macedonia

Message

At Prospective Media Services AG, I automated job advertisement distribution across 1,700+ channels using Spring Boot microservices, improving efficiency by 35%. I also developed analytics components to monitor posting performance and optimize campaigns.

At Fresenius Group, I developed patient-centric digital offers and tools for healthcare professionals using Java, Spring Boot, Hibernate, and PostgreSQL. I optimized queries and application performance, reducing query load and latency by 20%.

At Musala Soft, I developed features for the BMW ConnectedDrive platform and helped reduce system downtime by 20% through bug fixes and performance improvements. I also contributed to adopting microservices architecture and cloud integration.

Across these roles, I’ve mentored junior developers, contributed to technical decisions, and worked with teams in Agile and Scrum environments. I use AI tools to improve development workflows and automate repetitive tasks.

Experience

Work history, roles, and key accomplishments

Current

Senior Software Developer

Current

Prospective Media Services AG

Jul 2023 - Present (3 years 2 months)

• Automated job advertisement distribution across 1,700+ channels using Spring Boot microservices, improving efficiency by 35%.
• Architected microservices integrated with applicant tracking systems and multi‑posting services for seamless job listing creation.
• Developed analytics components to monitor job posting performance and optimize campaign effectiveness.
• Partnered with HR and cross‑func

Java Spring Boot Maven IntelliJ IDEA TeamCity AWS Spring Framework GWT Keycloak

Senior Software Engineer

Fresenius Group

Mar 2020 - Jul 2023 (3 years 4 months)

• Developed and maintained patient-centric digital offers and practical tools for healthcare professionals using Java 11, Spring Boot, Hibernate, and PostgreSQL.
• Ensured high code quality and compliance with Quality Management Systems (QMS) and safe design practices, contributing to regulatory compliance.
• Built RESTful APIs and microservices integrated with PostgreSQL, AWS, and Kubernetes for

PostgreSQL Git Java Bitbucket Spring Boot

Senior Software Engineer (Client: Fresenius)

Intertec.io

Mar 2020 - Jul 2023 (3 years 4 months)

• Developed backend services using Java, Spring Boot, and PostgreSQL to support digital patient care platforms.
• Designed and optimized SQL queries and database schema, reducing query load by 20% and improving application performance.
• Built secure REST APIs for integration with clinical systems, ensuring compliance with Quality Management Systems (QMS) and medical software standards.
• Collabor

Databases Maven Software Development Spring MVC Spring Framework JavaScript Spring Boot Object Oriented Programming

Experienced Software Engineer

BMW Group

Mar 2017 - Jul 2020 (3 years 4 months)

• Developed new features for the BMW ConnectedDrive platform, enhancing in-vehicle connectivity and digital services for millions of drivers.
• Investigated and resolved bugs, improving overall performance and reliability of critical automotive applications.
• Managed deployment pipelines using Jenkins to ensure smooth and reliable production releases.
• Supported seamless integration between back

Experienced Software Engineer (Client: BMW Group)

Musala Soft

Mar 2017 - Jul 2020 (3 years 4 months)

• Developed new features for the BMW ConnectedDrive platform, enhancing in-vehicle connectivity and digital services for millions of drivers.
• Investigated and resolved bugs across the platform to ensure stability and reliability of critical automotive applications.
• Implemented backend features using Java and PostgreSQL, collaborating with Angular-based frontend teams.
• Reduced system downtime

Databases Maven Software Development Spring MVC Spring Framework Spring Boot Object Oriented Programming

Software Engineer

GORD Systems Services

Aug 2014 - May 2016 (1 year 9 months)

• Developed software for electronic archiving, enabling digitization and secure storage of records for government and business clients.
• Designed user-friendly interfaces and workflows to streamline document handling and improve user efficiency.
• Ensured compliance with archival standards and regulations, collaborating with stakeholders to meet requirements.
• Investigated and resolved software

Databases Software Development Spring MVC Object Oriented Programming