Role : Medior CRM Developer 

Job Overview 

We are looking for a Medior CRM Developer to join our client’s CRM development team in Serbia. The ideal candidate will have strong experience in modern web technologies and backend services, with a solid understanding of scalable, secure, and high-performance applications. 

Key Responsibilities 

• Design, develop, and maintain CRM applications and services 

• Build and consume web services using REST and SOAP 

• Develop scalable and secure public-facing web applications 

• Collaborate with cross-functional teams including product, QA, and DevOps 

• Participate in code reviews, testing, and continuous improvement 

• Contribute to system performance, reliability, and security enhancements 

Qualifications & Skills: 

• 3+ years of professional software development experience 

• Excellent knowledge of ReactJS and NodeJS 

• Strong experience with Web Services (SOAP & REST) 

• Proficiency in XML, JSON, and HTTP/HTTPS protocols 

• Mandatory experience with SQL databases: MySQL, PostgreSQL, Oracle, or MSSQL 

• Solid understanding of algorithms, data structures, OOP, design patterns, and integration patterns 

• Strong knowledge of HTML5 and CSS3 

• Working knowledge of PHP 

• Experience using Git, JIRA, CI/CD tools, Kibana, and Elasticsearch 

• Good command of English (written and spoken) 

Nice to Have 

• Experience with Express.js or NestJS frameworks 

• Knowledge of TypeScript, Flux, and Redux 

• Familiarity with Linux OS (RedHat/CentOS) 

• Experience working on high-traffic, transaction-heavy systems 

• Experience working in Agile/Scrum environments 

Soft Skills 

• Strong team player with a proactive mindset 

• Excellent communication and collaboration skills 

• Ability to work independently and take ownership