Senior Java+GO Developer

Job description

Are you ready to work on a global-scale system impacting over 500,000 active users monthly? Join us in developing and modernizing a multi-tenant, web-based benefits management platform that allows clients worldwide to manage employee benefits with full customization and localization.

We are seeking a Software Engineer (Go/Java) to be a key player in product development, service migration, and a strategic authentication modernization initiative. You will contribute to the development of new portfolio features, migrate services from Go to Java, and participate in a large-scale identity provider migration from IdentityServer3 to Keycloak.

Requirements

• Solid experience in Go (Golang) and Java development.
• Experience with microservices architecture and service migration.
• Familiarity with identity and access management (IAM) concepts.
• Experience integrating or migrating authentication systems (IdentityServer3, Keycloak, or similar).
• Strong analytical skills to understand and document system requirements.
• Ability to collaborate with cross-functional teams and stakeholders.
• Good understanding of security best practices in web applications.
• Strong problem-solving skills and a proactive mindset.

Nice to Have

• Experience working on multi-tenant SaaS platforms.
• Knowledge of OAuth2, OpenID Connect (OIDC) protocols.
• Familiarity with modern CI/CD pipelines.
• Experience in cloud environments (AWS, Azure, GCP).

Responsibilities

• Develop and maintain a benefits management system serving global enterprise clients.
• Work on product development for a portfolio system written in Go.
• Migrate multiple services from Go to Java.
• Collaborate on a strategic modernization project to replace the current authentication system with Keycloak.
• Define frameworks and deliver proof of concepts to validate migration approaches.
• Analyze and document current identity system requirements for functional compatibility.
• Collaborate with stakeholders to gather technical and security requirements.
• Evaluate integration patterns, user flows, and ensure compatibility with existing applications and infrastructure.
• Contribute to system scalability, maintainability, and performance improvements.