Senior Backend Engineer (Java) - Mathpix : Job Details

We are a small (but quickly-growing) and dedicated team committed to pushing the boundaries of what is possible in computer vision and AI-powered document processing. We are profitable and help power some of the world's biggest LLMs providers, EdTech, and AI companies. We are headquartered in Williamsburg, Brooklyn, NY but have a small remote team as well.

Responsibilities

• Design, build, and maintain backend services in Java, focusing on performance, scalability, and reliability
• Lead the migration of selected APIs and services to Java, ensuring minimal disruption to existing systems
• Develop and maintain RESTful APIs and microservices used by internal and external applications
• Collaborate with ML engineers and frontend developers to integrate new OCR features into production systems
• Implement observability and monitoring tools to ensure system reliability and quick issue resolution
• Contribute to CI/CD pipelines, containerization, and infrastructure-as-code for backend services
• Mentor other engineers in Java best practices and backend design patterns

Required Skills

• Strong proficiency in Java for building APIs, services, and distributed systems
• 3+ years of backend engineering experience, with at least 2+ years in Java-based production environments
• Experience with SQL databases, schema design, and query optimization
• Hands-on experience building and maintaining microservices, including service-to-service communication and API design
• Proficiency with containerization (Docker) and orchestration (Kubernetes)
• Familiarity with caching systems (Redis) and message queues (Kafka)
• Strong understanding of distributed systems concepts

Additional desired skills

• Familiarity with Python
• Experience with cloud platforms
• Contributions to open-source projects or thought leadership in backend development
• Knowledge of performance profiling, JVM tuning, and debugging tools for Java applications

Mathpix values

• A strong sense of ownership and accountability for the systems you build
• A collaborative mindset with a willingness to mentor and be mentored
• Passion for solving complex problems with elegant, pragmatic solutions
• Resilience and self-direction — the ability to thrive in a fast-paced startup environment, where priorities evolve and autonomy is key

• Mid-Senior level

• Full-time

• Engineering and Information Technology
• Industries
• Software Development