Senior Integration Developer

5 days ago

Belgrade, Central Serbia Resourceful Talent Group Full time €45,000 - €65,000 per year

We are seeking a highly skilled Senior Integration Developer (Senior Software Engineer) to join our client's Professional Services Team. In this role, you will design, develop, and implement complex integration solutions that connect applications, APIs, cloud services, and data systems. The ideal candidate is hands-on, detail-oriented, and able to deliver scalable, efficient solutions while mentoring junior team members. This position offers the opportunity to work closely with clients and cross-functional teams to ensure high-quality project deliverables.

Responsibilities:

  • Collaborate with clients' business and IT teams to gather and understand integration requirements across B2B, Cloud, API, Data, ETL, and EAI environments.

  • Design, develop, and configure complex integration solutions, ensuring scalability, performance, and maintainability.

  • Take ownership of assigned modules and lead the full implementation lifecycle from requirements gathering to production deployment.

  • Troubleshoot and resolve integration issues to maintain smooth system performance.

  • Mentor junior engineers and provide guidance on best practices and performance optimization.

  • Collaborate with onshore/offshore and internal teams to ensure timely execution of project deliverables.

  • Write efficient, maintainable, and well-documented code adhering to coding standards.

  • Review team members' code and designs to ensure quality and consistency.

  • Participate in Agile processes, including Sprint Planning, Daily Standups, and Retrospectives.

  • Stay up to date with emerging technologies to continuously enhance technical expertise.


Technical Skills:

  • 5–7 years of hands-on experience designing and implementing integration solutions across B2B, ETL, EAI, Cloud, API, and Data Integration environments using enterprise-grade platforms or tools.

  • Strong expertise in building integration processes, data pipelines, and data mappings for efficient data movement.

  • Proficiency in data transformation, cleansing, and validation to ensure data quality and consistency.

  • Hands-on experience with SOA, RESTful APIs, SOAP Web Services, and related security protocols.

  • Knowledge and practical application of security standards such as OAUTH, SSL/TLS, SSO, SAML, and Identity Provider integrations.

  • Strong understanding of XML, XSD, XSLT, JSON, and related data formats.

  • Experience with relational and NoSQL databases (MSSQL, Oracle, MySQL, or equivalent).

  • Familiarity with transport protocols (HTTPS, SFTP, JDBC) and messaging systems (Kafka, Azure Service Bus, RabbitMQ).

  • Hands-on experience with Core Java and exposure to commonly used Java frameworks.

Non-Technical Skills:

  • 5–7 years of experience in service delivery, directly engaging with clients.

  • Excellent communication, documentation, and process diagramming skills.

  • Strong interpersonal skills and ability to build and maintain client relationships.

  • Proven ability to gather business requirements and translate them into actionable technical plans.

  • Demonstrated leadership and mentoring experience with junior team members.

  • Exceptional analytical, troubleshooting, and problem-solving abilities.

  • Self-motivated and committed to delivering high-quality results under tight deadlines.

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