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.
Lifted is the first talent, country and contract agnostic contingent workforce management solution, unifying the ability to source, contract, manage, and pay any type of contingent talent, anywhere in the world. Designed to embed into existing contingent workforce ecosystems, Lifted provides enterprises with global reach, embedded compliance, and a seamless experience across the entire contingent workforce.
