Senior Backend (Java) Engineer

TL;DR

Senior Backend Engineer (Java): Building and optimizing high-load Java backend systems for product integrations with an accent on secure API design, reliable data processing, and system stabilization. Focus on implementing ICS backend components, developing REST APIs, and ensuring operational reliability through thorough testing and error analysis.

Location: Multiple locations · Hybrid

Company

hirify.global is a global IT services company with over 6000 specialists providing a full spectrum of services including business and tech advisory, enterprise solutions, and software development.

What you will do

• Implement ICS backend components according to the defined system architecture.
• Design and develop REST APIs and server-side integration logic.
• Write stable, testable, and audit-ready code.
• Participate in UAT support and system stabilization phases.
• Analyze logs, errors, and retry scenarios to ensure system reliability.

Requirements

• Strong Java expertise (17+), with Java 21 a plus.
• Experience with Spring Boot 3.x (REST controllers, exception handling, configuration).
• Proficiency in API development & integration: REST (OpenAPI/Swagger) and SOAP.
• Experience with data processing & integrations: XML parsing, XSD validation, large payload handling.
• Understanding of security awareness: mTLS fundamentals, secure data handling, no PII logging.
• Database experience with MS SQL.
• Strong focus on code quality, unit and integration tests.
• Operational mindset including logs, error handling, retries, and system stabilization experience.

Nice to have

• Experience working on enterprise or integration-heavy systems.
• Familiarity with regulated or audit-sensitive environments.

Culture & Benefits

• Equal opportunities in recruitment, career development, and leadership.
• Commitment to fostering a diverse and inclusive work environment.
• Supportive team environment.

Hiring process

• Application review.
• Talent Acquisition Interview.
• Technical Interview.
• Customer Interview (for some roles).
• Job Offer.
• Welcome.