Design, implement, test, and deliver secure, highly scalable backend services and full-stack applications within a cellular, multi-tenant cloud architecture.
Develop and maintain Java-based application services (Spring Boot, Hibernate, JPA) and companion microservices for process simulation, compliance checking, and AI-powered analytics.
Build and evolve data processing services and ETL/ELT pipelines for data ingestion, transformation, and querying.
Integrate with the big data query and processing layers using distributed query engines and columnar storage formats to support analytics at scale.
Implement multi-tenant data isolation patterns across database, cache, and storage layers.
Contribute to database consolidation and migration efforts using PostgreSQL, Liquibase, and connection pooling strategies.
Develop and maintain authentication and authorization integrations with identity providers, including session-based auth and mTLS for service-to-service communication.
Design and implement test strategies, automation frameworks, and unit/integration/functional/regression tests to drive up code coverage and system reliability.
Master the team's development processes, culture, and codebase, and continuously identify opportunities to improve them.
Participate in the team's on-call rotation to address complex problems in real-time and keep services operational and highly available.
Present technical designs to internal and external groups and participate in design reviews.
Requirements
5+ years of professional software development experience.
Strong proficiency in Java.
Experience with Java backend frameworks: Spring Boot, Hibernate/JPA, and servlet containers (Tomcat).
Solid understanding of relational databases (PostgreSQL, MySQL), data modeling, and schema migration tools (Liquibase, Alembic).
Experience with REST API design, integrations, and service-oriented architectures.
Solid understanding of modern web technologies including JavaScript, HTML5, CSS, XML, and JSON.
Experience with containerization (Docker) and orchestration (Kubernetes) in cloud environments (AWS preferred).
Hands-on experience with automated testing including unit and functional testing (JUnit, pytest, Selenium, Playwright).