Senior Software Engineer, Backend - Internal Tools - Santa Monica Ca (hybrid) to $195,000

Intermedia Group is recruiting for an undisclosed client seeking a backend engineer for its Internal Tools team. The role focuses on building a unified advertiser management platform from the ground up, including APIs, services, data models, and scalable backend systems.

Responsibilities:

• Backend Development: Design, implement, and maintain scalable backend systems. Develop APIs, microservices, and other server-side components that power platform features and functionality
• Architecture and Design: Contribute to the architecture and design of backend systems. Ensure solutions are reliable, scalable, and performant, and make informed decisions on technology choices and system design
• Data Modeling: Design and optimize relational database schemas and queries that serve as the system of record for the platform
• Collaboration: Work closely with product managers, designers, and engineers to define and implement new features and improvements
• Problem-Solving: Identify and troubleshoot complex technical issues, provide effective solutions, and optimize system performance. Continuously improve and refactor the codebase to enhance scalability and maintainability
• Code Quality: Maintain high standards for code quality, including thorough testing, code reviews, and documentation
• Innovation: Stay current with industry trends and emerging technologies. Evaluate and recommend new tools, frameworks, and libraries — including AI-assisted development tooling — to strengthen our stack and our team's velocity

Requirements:

• Strong Back End Java / Springboot / Restful API
• Design Strong experience building new software and systems
• Comfortable working across teams and integrating different tools/systems
• Strong API development experience, particularly APIs that can support AI
• Experience with internal tools/platforms is relevant
• Must have great communication skills
• 6+ years of professional experience in backend development, with a track record of designing and delivering high-performance systems
• Proficiency in Java is a must
• Hands-on experience with Spring Boot is a must
• Solid knowledge of RESTful API design, best practices, and implementation
• Strong expertise in relational databases (e.g., MySQL, PostgreSQL), including schema design, query optimization, and reasoning about data integrity and consistency
• Strong understanding of software architecture, design patterns, and system design principles
• Experience building and maintaining distributed systems and microservices
• Practical, hands-on experience using AI coding tools (e.g., Claude Code, GitHub Copilot, Cursor) as part of your daily development workflow — for code generation, refactoring, test writing, and debugging
• You should be able to critically evaluate AI-generated code, recognize when it is wrong or subtly unsafe, and take full ownership of everything you ship
• Excellent communication and interpersonal skills with a proven ability to work effectively in a team environment
• Experience working in Agile methodologies
• Experience with additional languages (e.g., Python, Node.js, Go) is a plus
• Experience with NoSQL databases or analytical warehouses (e.g., BigQuery) is a plus
• Experience integrating LLM APIs into applications or building internal AI-powered tooling is a plus
• A degree in Computer Science, Engineering, or a related field is preferred but not required