Full Stack Engineer (Merrimack County)

We are seeking a highly skilled Full Stack Engineer to join a high-performance engineering team within Fidelitys advanced trading technology environment. This role involves hands-on development, architectural design, and driving engineering best practices across distributed systems, microservices, and event-driven applications.

You will collaborate closely with technical and business stakeholders, contribute to technical strategy, and deliver scalable, secure, and maintainable software solutions. This position requires a strong engineering mindset, leadership qualities, and deep experience building cloud-native applications on AWS.

Key Responsibilities

• Design, build, and enhance distributed systems, microservices, and event-driven architectures.
• Develop scalable full-stack applications using modern technologies and frameworks.
• Influence architectural direction and engineering strategy across complex systems.
• Collaborate with cross-functional teams to define requirements and prioritize initiatives.
• Implement CI / CD practices, automation, and cloud engineering best practices.
• Perform rapid prototyping and evaluate emerging tools and technologies.
• Ensure performance, reliability, and maintainability across application ecosystems.
• Contribute to test automation and quality engineering processes.

Required Skills & Experience

10+ years of hands-on software development experience

Strong expertise in scalable architecture & distributed systems

Java 17+

Python

Kafka

Spring Boot, RESTful APIs

Microservices & event-driven architecture

Experience building cloud-native applications on AWS (EC2, Lambda, EKS, CloudFormation, IAM, S3, CloudWatch)

Test automation tools : JUnit, Mockito, Karate, PyTest, Cucumber / Gherkin

CI / CD tools : Jenkins, Git, Maven

Frontend experience with Angular is a plus

Strong communication & technical leadership abilities