Senior Backend Engineer

Posted 5 Days Ago
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Norwalk, CT, USA
In-Office
165K-185K Annually
Senior level
Insurance • Financial Services
It just makes sense.
The Role
Lead the architecture, development, deployment, monitoring, and improvement of scalable serverless backend systems. Build Python services, APIs, healthcare data pipelines, event-driven workflows, and durable processing engines using AWS technologies. Ensure reliability, security, observability, and HIPAA-aligned data practices while collaborating with product, analytics, operations, and engineering teams. Mentor engineers and drive technical standards and architectural decisions.
Summary Generated by Built In

Company Overview:

Our company is a start-up that specializes in episodes of care benefit plans. We have a deep expertise in episode pricing and analytics and our goal is to bring transparency and efficiency to the healthcare market. Our company is committed to providing high-quality, affordable healthcare to our customers.

Role Description
The Senior Backend Engineer will lead the design and implementation of high-scale, serverless backend services using AWS, Python, Relational and NoSQL database, and modern architectural designs. You’ll own systems end-to-end, from design, development, and testing, through deployment, monitoring, and ongoing improvements. You will collaborate with engineering, analytics, product, and operations teams to build data pipelines, APIs, event-driven workflows, and durable processing engines that are foundational to delivering an exceptional, predictable healthcare experience. This role owns services end-to-end—from architecture and implementation through deployment, monitoring, and continuous improvement—ensuring reliability, performance, and security for mission-critical healthcare workflows.

Responsibilities
Architecture and System Design

  • Design and build large-scale, resilient, serverless systems using AWS Lambda, API Gateway, SQS, SNS, DynamoDB, Step Functions, EventBridge, and Kafka.
  • Architect durable, fault-tolerant workflows for claims processing, episode generation, eligibility updates, communication engines, and other core healthcare processes.
  • Create and evolve backend APIs for both B2C (member portal) and B2B (payer, employer, provider) integrations.

Engineering and Implementation

  • Develop high-quality backend services in Python, following strict test-driven development (TDD) practices.
  • Build clean, well-structured codebases emphasizing maintainability, testability, reliability, and scalability.
  • Implement secure data flows and storage patterns aligned with HIPAA and healthcare compliance best practices.

Data and Healthcare Standards

  • Work with structured and semi-structured healthcare data (for example, eligibility, claims, and clinical data).
  • Partner with Analytics and Data Engineering to ensure data accuracy, consistency, and fidelity.

Operational Excellence

  • Own systems end to end: development, testing, deployment, monitoring, and iteration.
  • Build and maintain CI/CD pipelines, infrastructure-as-code, and observability dashboards.
  • Continuously improve reliability through canaries, alarms, automated rollback, and well-designed SLOs.

Collaboration and Leadership

  • Drive cross-functional architectural discussions and propose scalable, long-term solutions.
  • Mentor and hire engineers, raising the bar for engineering culture, coding standards, and system design thinking.
  • Work closely with product to refine requirements, define technical specs, and deliver high-value features.

Qualifications

  • 7+ years of backend engineering experience, with a proven track record of shipping and operating production-grade systems.
  • Expert-level proficiency in AWS serverless, including Lambda, DynamoDB, API Gateway, Step Functions, Kafka/SQS, and event-driven architectures.
  • Strong Python engineering fundamentals, including TDD, dependency injection, modular code, and clean design patterns.
  • Deep understanding of high-scale system design, distributed computing, data modeling, fault tolerance, and observability.
  • Experience building B2C and B2B systems that serve thousands of users and millions of transactions.
  • Proficiency with PostgreSQL, DynamoDB, RDS, Kafka, caching strategies, and database schema design.
  • Strong experience building scalable, public-facing RESTful APIs.
  • Strong ownership mindset and a passion for delivering high-quality, reliable systems from design to production.
  • Experience collaborating with SecOps, DevOps, and analytics teams, with comfort using GitHub Actions, IaC, and automated pipelines.
  • Excellent verbal and written communication skills and cross-functional collaboration abilities.
  • Bonus: Experience with healthcare EDI standards (837/834), payer systems, claims processing, HIPAA compliance, or health-tech domain work.

Skills Required

  • 7+ years of backend engineering experience
  • Experience shipping and operating production-grade systems
  • Expert proficiency with AWS serverless technologies, including Lambda, DynamoDB, API Gateway, Step Functions, Kafka, and SQS
  • Strong Python engineering fundamentals, including test-driven development, dependency injection, modular code, and clean design patterns
  • Deep understanding of high-scale system design, distributed computing, data modeling, fault tolerance, and observability
  • Experience building B2C and B2B systems serving thousands of users and millions of transactions
  • Proficiency with PostgreSQL, DynamoDB, RDS, Kafka, caching strategies, and database schema design
  • Strong experience building scalable, public-facing RESTful APIs
  • Experience collaborating with SecOps, DevOps, and analytics teams
  • Experience using GitHub Actions, infrastructure as code, and automated pipelines
  • Excellent verbal and written communication skills and cross-functional collaboration abilities
  • Experience with healthcare EDI standards, payer systems, claims processing, HIPAA compliance, or health-tech domain work
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The Company
HQ: Norwalk, Connecticut
39 Employees
Year Founded: 2023

What We Do

We are Oxbridge Health™, an early-stage healthcare company designed to challenge the current paradigm of how people access healthcare, how providers are organized and paid, and how employers engage their employees, to finally break the curve that has been crushing corporations and consumers alike for decades. Comprised of seasoned pioneers in the field of healthcare, whose experience spans multiple organizations and approaches, we have identified a need for a new form of health insurance: one which is built around the power of Episodes of Care. Join us as we work to create the ultimate healthcare logistics company, designed to truly deliver the right care, at the right time, at the right place, for the right price; and as we answer the question: "what if we could present information in a way that consumers could truly be activated--by adding a Fifth Right: the right choice?"

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