#126383 - Senior Backend Engineer

Summary

We are seeking a Senior Backend Engineer to build and maintain production-grade backend systems and develop backend capabilities supporting AI-enabled product experiences. This role is focused on Java and Spring Boot development, scalable microservices, RESTful APIs, distributed systems, reliability, and performance.

The successful candidate will work with cross-functional teams to design and deliver robust backend solutions while contributing to LLM-based workflows and other AI-enabled product capabilities.

Enterprise experience strongly preferred.

Key Responsibilities

• Build and maintain production-grade backend systems.
• Design, develop, and maintain scalable Java and Spring Boot microservices.
• Design and maintain RESTful APIs following API lifecycle best practices.
• Develop backend features supporting AI-enabled product experiences.
• Integrate LLM-based workflows and backend services with AI capabilities.
• Design distributed systems and fault-tolerant services.
• Optimize system performance, scalability, and reliability.
• Work with relational databases such as PostgreSQL or MySQL.
• Collaborate with cross-functional teams to deliver backend solutions.

Must-Have Skills

• 5+ years of backend engineering experience with production-grade systems.
• Expert proficiency in Java.
• Expert proficiency in Spring Boot.
• Strong hands-on experience with Gradle.
• Strong experience designing and developing microservices.
• Strong RESTful API design skills and understanding of API lifecycle best practices.
• Experience with relational databases such as PostgreSQL or MySQL.
• Experience designing distributed systems.
• Experience building fault-tolerant services.
• Experience with backend performance tuning.
• Experience working with AI-driven requirements.
• Experience integrating LLM-based workflows.
• Understanding of API patterns for AI services.
• Experience building backend features for AI-enabled products.
• Strong communication and collaboration skills.

Nice-to-Have Skills

• Experience with Kafka, RabbitMQ, or event-driven architectures.
• Familiarity with GraphQL.
• Familiarity with API Gateways or hybrid API ecosystems.
• Experience integrating LLM or AI APIs such as OpenAI, Anthropic, or similar services.
• Prior remote contracting experience.
• Cross-functional leadership experience.

Required Tools & Platforms

• Java
• Spring Boot
• Gradle
• RESTful APIs
• PostgreSQL or MySQL

Location, Time & Engagement

• Remote contract opportunity.
• Location: LATAM, excluding Mexico.
• Full-time engagement at approximately 40 hours per week.
• Must be able to work hours aligned with U.S. EST/CST business hours.
• Current engagement end date: February 28, 2027.