Senior Backend Engineer - Java, Spring

Requirements:

• 7+ years of experience in backend engineering with production-level systems
• Proficient in AWS serverless technologies and event-driven architecture
• Experience in developing both B2C and B2B platforms handling high-volume data and transactions
• Familiarity with GitHub Actions, Infrastructure as Code, automated pipelines, and collaborative work across teams
• Strong foundation in Python, emphasizing test-driven development, clean architecture, and modular coding
• Expertise in creating scalable RESTful APIs
• In-depth knowledge of distributed systems, scalability, and observability principles
• Competence with PostgreSQL, DynamoDB, RDS, caching mechanisms, and schema design
• Strong communication abilities and a proactive, ownership-oriented attitude
• Bonus: background in healthcare EDI (837/834), claims processing, HIPAA compliance, or payer systems

Responsibilities:

• Design and implement large-scale, durable serverless systems utilizing AWS Lambda, API Gateway, DynamoDB, Step Functions, EventBridge, SQS/SNS, and Kafka
• Architect workflows that are fault-tolerant and support essential healthcare operations
• Develop backend APIs for both member-facing and partner-integrated applications
• Create high-quality, test-driven Python services with emphasis on reliability and maintainability
• Ensure secure and compliant data flows that adhere to healthcare privacy regulations
• Collaborate with Data Engineering and Analytics teams to maintain accuracy and consistency of healthcare data
• Own the complete service lifecycle through design, development, testing, deployment, monitoring, and iteration
• Build and sustain CI/CD pipelines, Infrastructure as Code, and observability dashboards
• Enhance reliability through automated rollbacks, canary deployments, alerts, and well-structured Service Level Objectives
• Drive discussions across functional teams to propose scalable long-term solutions
• Mentor fellow engineers and contribute to fostering a robust engineering culture and technical standards

Technologies:

• API
• AWS
• Lambda
• Architect
• Backend
• CI/CD
• GitHub
• Support
• Kafka
• PostgreSQL
• Python
• Serverless
• Cloud
• AI
• LESS
• TDD

More

We are on a mission to revolutionize healthcare by making it clearer, more predictable, and more human. As a Senior Backend Engineer, you will have the chance to design and manage high-scale backend systems that significantly enhance real-life healthcare experiences. You will collaborate with diverse teams across engineering, product, analytics, and operations to develop serverless systems and reliable Python services. We provide a comprehensive benefits package, including medical, dental, and vision insurance, health savings accounts, 401(k), and life and disability insurance. This position is based in Norwalk, CT, and is part of a team dedicated to improving healthcare infrastructure and outcomes for our members.

last updated 43 week of 2026