Senior Full Stack Developer (Hybrid)

The Cigna Group•Newton, MA

1d•$130,200 - $217,000•Hybrid

About The Position

The Senior Full Stack Developer will design and build scalable, cloud-native applications that improve user experiences and support evolving business needs. This hands-on role spans modern front-end experiences, APIs, microservices, AI-driven services, and data. The developer will work across design, development, deployment, and support, helping teams solve complex technical problems and build reliable software at speed.

Requirements

Bachelor’s degree in Computer Science or a related field.
At least 8 years of hands-on software engineering experience, including full-stack application development.
At least 5 years of experience developing and implementing AI-driven services.
Experience working in a startup or similarly fast-paced development environment.
Strong experience developing cloud-native solutions, REST APIs, and microservices.
Experience partnering with business and technical stakeholders to translate requirements into technical solutions.
Strong troubleshooting skills, including issue triage, root cause analysis, and solution implementation.
Ability to independently manage development efforts while collaborating across cross-functional teams.

Nice To Haves

Experience developing software within Agile environments.
Strong understanding of object-oriented design and development.
Experience with AWS and technologies such as Go, React, TypeScript, .NET, and Python.
Experience working with distributed, relational, NoSQL, and/or vector databases.
Experience using test-driven development, CI/CD, source control, and peer code reviews.
Strong communication skills and ability to work effectively with technical and non-technical stakeholders.
Ability to balance strategic thinking with attention to detail in a fast-moving environment.

Responsibilities

Build scalable, reliable full-stack applications that deliver strong user experiences.
Develop modern solutions using Go, React, TypeScript, .NET, Python, and AI-enabled technologies.
Design and build cloud-native solutions on AWS, including REST APIs and microservices.
Partner with business and technical teams to turn requirements into practical software solutions.
Help shape application architecture, technical design, data solutions, and technology decisions.
Use automated testing, continuous integration, source control, code reviews, and modern development practices to improve software quality and delivery.
Stay hands-on throughout design, development, deployment, and support.
Help Agile teams solve complex technical problems and continuously improve.