Senior Java Developer

Description

Summary: Seeking a Senior Java Software Engineer to own backend engineering for a critical platform, building modular services and leading phased rollout strategies. Highlights: 1. Lead architecture-driven transformations with a high level of ownership 2. Direct collaboration with founders and fast decision-making 3. Focus on building modular services and APIs from the ground up **Overview** We're looking for a **Senior Java Software Engineer** to own the backend engineering for a critical platform — building modular services, migration scripts, data validation tooling, and APIs from the ground up. This role sits at the intersection of enterprise Java development and cloud\-native architecture, leading a phased rollout strategy with zero\-downtime cutover from legacy to new systems while maintaining data integrity across production environments. **Key Responsibilities** * Architect, develop, and maintain scalable Java backend services using Spring Boot * Design and implement database migration scripts for production cutover between legacy and new systems * Design and implement secure, well\-documented RESTful APIs and service interfaces * Collaborate with front\-end developers (SvelteKit stack) * Write comprehensive unit and integration tests to ensure code reliability * Participate in code reviews and promote clean code principles * Support cloud\-native practices including containerization, configuration management, and observability * Ensure service\-level security, performance, and resilience * Contribute to sprint planning, ticket breakdowns, and estimation * Maintain technical documentation for migration procedures and system architecture **Requirements** * 5\+ years of professional experience developing applications with Java and Spring Boot * Strong PostgreSQL experience — complex queries, schema migrations, performance tuning, and production data operations * Proven experience designing and building RESTful APIs and microservice architectures * Hands\-on experience working in AWS cloud environments * Familiarity with containerization (Docker, Kubernetes) and DevOps practices * Hands\-on experience with AI\-assisted engineering tools (e.g. Claude Code, Cursor, or similar) — required * Strong sense of ownership, quality, and accountability * BS in Computer Science, Engineering, or equivalent practical experience * Good level of spoken and written English: able to communicate technical topics effectively across distributed teams * **Working hours: Pacific Standard Time \- Full time** **Preferred Qualifications** * Background in regulated or compliance\-driven systems is a plus * Exposure to event\-driven architectures and message queues * Experience with data comparison/validation frameworks (e.g. dbt or similar) * Familiarity with monitoring/observability tools (e.g. Datadog) * Experience with MongoDB as a secondary datastore **Conditions** * Fully remote role with a flexible schedule * Compensation in USD via a convenient payment method * Direct collaboration with founders and fast decision\-making * High level of ownership and the opportunity to lead architecture\-driven transformations Job Type: Contract Contract length: 12 months Work Location: Remote