Senior Full Stack Developer – Hybrid

The Cigna Group

. Build scalable, reliable full-stack applications that deliver strong user experiences .

Posted 10/20/2026full-timeNewton • Massachusetts • United StatesSenior💰 $130,200 - $217,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in building scalable full-stack applications using Go, React, TypeScript, .NET, and Python, with a strong focus on cloud-native solutions and AI-driven services. Proven ability to collaborate with cross-functional teams and translate business requirements into technical solutions while employing modern development practices.

Highest-signal resume keywords

Full-Stack Application DevelopmentCloud-Native SolutionsAI-Driven ServicesAgile DevelopmentREST APIs

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

GoReactTypeScript.NETPythonMicroservicesAutomated TestingContinuous IntegrationObject-Oriented DesignDatabase Management

Soft Skills

Strong Communication SkillsTroubleshooting SkillsCollaboration

Tools & Technologies

AWSCI/CDSource ControlPeer Code Reviews

Certifications & Qualifications

Bachelor’s Degree in Computer Science

Industry Keywords

Startup EnvironmentTechnical DesignData SolutionsIssue TriageRoot Cause Analysis

Tech Stack

Tools & technologies

AWSCloudMicroservicesNoSQLPythonReactTypeScriptGo.NET

About the role

Key responsibilities & impact

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
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
Participate hands-on throughout design, development, deployment, and support
Help Agile teams solve complex technical problems and continuously improve

Requirements

What you’ll need

Bachelor’s degree in Computer Science or a related field
8+ years of hands-on software engineering experience, including full-stack application development
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
Experience developing software within Agile environments
Strong understanding of object-oriented design and development
Experience with AWS, Go, React, TypeScript, .NET, and Python
Experience with distributed, relational, NoSQL, and/or vector databases
Experience using test-driven development, CI/CD, source control, and peer code reviews
Strong communication skills with technical and non-technical stakeholders
Home internet connection through cable broadband or fiber optic service with at least 10Mbps download/5Mbps upload if working from home

Benefits

Comp & perks

Annual bonus plan eligibility
Medical insurance
Vision insurance
Dental insurance
Well-being and behavioral health programs
401(k)
Company-paid life insurance
Tuition reimbursement
Minimum of 18 days of paid time off per year
Paid holidays
Leaves of absence
Hybrid work arrangement