Senior Backend Engineer (Java)

About the role 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 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 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 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 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 Seniority level Mid-Senior level Employment type Full-time Job function Engineering and Information Technology Industries Software Development #J-18808-Ljbffr Mathpix