AgileEngine - Senior Backend Engineer ID61982

Client: AgileEngine

Contract: Freelance

Job Description

AgileEngine is seeking a Senior Backend Engineer to build and operate scalable backend services on a high-traffic consumer platform. The role involves designing RESTful APIs and distributed systems using Java and Spring Boot, while integrating backend infrastructure with AI and LLM-enabled features. This position offers broad technical ownership across platform reliability, API architecture, and AI-driven product development.

Requirements

MUST HAVES:

• 4+ years of backend engineering experience working with production-grade systems;
• Expert proficiency in Java, Spring Boot, Gradle, and microservices architecture;
• Strong experience designing and building RESTful APIs, including API lifecycle best practices;
• Solid experience with relational databases such as PostgreSQL, MySQL, or similar;
• Proven experience with distributed systems, fault-tolerant design, and performance tuning;
• Ability to work with AI-driven requirements;
• Experience integrating or designing workflows around LLM-based services;
• Understanding of API patterns for AI services;
• Experience building backend features that enable AI-powered product experiences;
• Upper-intermediate English level.

NICE TO HAVES:

• Experience with asynchronous messaging systems such as Kafka or RabbitMQ;
• Familiarity with event-driven architectures;
• Experience with GraphQL, API gateways, or hybrid API ecosystems;
• Exposure to LLM/AI APIs such as OpenAI or Anthropic, or development of AI-enhanced features;
• Previous experience working in remote, distributed teams;
• Experience leading cross-functional initiatives or mentoring other engineers.

Additional Information

Perks and Benefits:

• Professional growth opportunities through mentorship, TechTalks, and personalized growth roadmaps.
• Competitive compensation in USD with education, fitness, and team activity budgets.
• Engagement in exciting projects with Fortune 500 and top product companies.
• Flexible schedule with options for remote and office work.