Senior Full-Stack Engineer

At Aptia, we're building technology that powers better benefits experiences through innovation, scale, and collaboration. As a Senior Full Stack Engineer, you'll play a key role in designing and developing solutions that move our products forward - from the front-end experience to the cloud infrastructure that supports it. You'll collaborate closely with product, business operations, and client teams to translate complex requirements into elegant, scalable applications.

This role offers the opportunity to shape technical decisions, mentor other engineers, and deliver high-quality, high-impact software that supports Aptia's mission to simplify benefits administration for employers and their employees.

Location: Lake Mary, FL (hybrid; onsite three days per week)

• Collaborate with product team, business operations, and customers to understand and develop product requirements
• Design and implement scalable full stack applications and APIs
• Develop responsive, user-friendly React frontend interfaces
• Build robust backend services with comprehensive test coverage
• Optimize database performance and manage complex data relationships
• Architect and maintain cloud infrastructure on AWS
• Write and maintain automated unit and integration tests
• Collaborate with cross-functional teams to deliver high-quality solutions
• Mentor junior engineers and contribute to technical decision-making
• Participate in code reviews and maintain engineering standards

• 8+ years of software development experience
• Expertise in at least one strongly typed backend language:
  Java, Scala, Kotlin, C#, or Typescript
• Advanced SQL skills with relational databases, preferably PostgreSQL
• Complex queries with joins and subqueries
• Common Table Expressions (CTEs)
• Query optimization and performance tuning
• Hands-on experience with core AWS services
• Compute services (EC2 or ECS)
• Cloud Front (CDN and content delivery)
• Elastic Load Balancer (ELB)
• S3 (storage and data management)
• IAM (security and access management)
• Testing expertise including automated unit and integration testing
• Experience with distributed systems and microservices architecture
• Strong understanding of software engineering best practices

• Experience with Terraform for infrastructure as code
• End-to-end testing experience with frameworks like Cypress
• Knowledge of containerization technologies (Docker, Kubernetes)
• Experience with CI/CD pipelines and Dev Ops practices
• Background in high-traffic, production environments

Mid-Senior level

Full-time