Lead Java API Developer

At Synechron, we believe in the power of digital to transform businesses for the better. Our global consulting firm combines creativity and innovative technology to deliver industry‑leading digital solutions. Synechron’s progressive technologies and optimization strategies span end‑to‑end Artificial Intelligence, Consulting, Digital, Cloud & Dev Ops, Data, and Software Engineering, servicing an array of noteworthy financial services and technology firms. Through research and development initiatives in our Fin Labs we develop solutions for modernization, from Artificial Intelligence and Blockchain to Data Science models, Digital Underwriting, mobile‑first applications and more.

Over the last 20+ years, our company has been honored with multiple employer awards, recognizing our commitment to our talented teams. With top clients to boast about, Synechron has a global workforce of 16,700+, and has 57 offices in 22 countries within key global markets.

We are seeking a skilled Java Developer to join our dynamic team and contribute to the design, development, and maintenance of robust, scalable, and secure applications. The ideal candidate will have extensive experience in Java development, API integration, and troubleshooting within large‑scale, distributed environments, with a focus on delivering high‑quality software solutions.

Additional Information*

The base salary for this position will vary based on geography and other factors. In accordance with law, the base salary for this role if filled within Chandler, AZ is $110k - $120k/year & benefits (see below).

• Design, develop, and maintain Java‑based applications and middleware components.
• Collaborate with cross‑functional teams to integrate APIs and ensure seamless functionality.
• Implement secure authentication and authorization mechanisms using OAuth2, JWT, and other industry standards.
• Troubleshoot and resolve performance, security, and integration issues in complex environments.
• Automate workflows and deployment processes using scripting languages like Python.
• Follow best practices in source control management, preferably using Git.
• Develop and execute unit, integration, and performance tests to ensure software quality.
• Monitor application performance using logging, metrics, and tracing tools.
• Contribute to continuous improvement initiatives by analyzing existing systems and processes.

• Strong proficiency in Java with a solid understanding of API design, RESTful services, and middleware development.
• Experience with large‑scale, distributed, production environments.
• Hands‑on experience with API security protocols such as OAuth2, JWT, mTLS, and API key management.
• Proficiency in Python for automation, scripting, and tooling.
• Ability to troubleshoot complex issues and optimize application performance.
• Familiarity with API lifecycle management, including versioning, onboarding, and deprecation.
• Knowledge of CI/CD pipelines and automated deployment strategies.
• Experience with monitoring, logging, and observability tools.
• Strong understanding of software development best practices and source control management (Git).

• Experience with enterprise‑grade API gateway platforms such as Apigee, Kong, Azure API Management, or AWS API Gateway.
• Strong understanding of API lifecycle management, including onboarding, governance, versioning, deprecation, and retirement at scale.
• Practical experience defining and enforcing traffic management and security policies like rate limiting, throttling, quotas, and request/response transformations.
• Familiarity with service mesh, ingress controllers, or edge routing technologies and their integration with API gateways.
• Experience integrating APIs with enterprise identity providers and security platforms.
• Knowledge of CI/CD pipelines and automated deployment strategies for API gateway configurations.
• Exposure to performance/load testing to validate scalability, resiliency, and failure handling.
• Strong architectural mindset with the ability to identify systemic risks and drive platform‑level improvements.
• Demonstrated leadership in mentoring engineers and influencing cross‑team technical…