Full Stack Engineer

Full Stack Software Engineer (React/Java/AWS) - J-4540 Location: REMOTE (Occasional Travel to Omaha, NE) Employment Type: W-2 Contract To Hire; (6 months to 12 months) Estimated Conversion Salary: $110,000 – $130,000 Compensation: $55–$67/hr.

(Based on experience) Start Date: No later than 07/07/2025 Note: Visa sponsorship is not available.

We are unable to work with third-party employers.

Capstone IT is partnering with our client, a leader in the insurance and financial services industry, to hire a Full Stack Software Engineer to support a large-scale digital modernization initiative within their Group Insurance division.

This is a 6–12 month remote W-2 contract-to-hire opportunity with the opportunity to convert to full-time employment.

You’ll play a key role in designing, developing, and deploying modern, cloud-native applications and integration services within a fast-paced Agile environment.

In this role, you’ll work across the full stack to modernize legacy systems and deliver scalable, high-performance solutions that support seamless integration between internal platforms and external third-party benefit administrators.

You’ll contribute to a suite of mission-critical applications using React (JavaScript/TypeScript) for front-end development, Java and Spring Boot for backend microservices, and Apache Kafka for event-driven architecture.

Applications are deployed to AWS, leveraging services such as Fargate, MSK, and Lambda.

You’ll also operate within a DevOps environment that includes Docker, Kubernetes, Git, and CI/CD pipelines, with exposure to MuleSoft and MongoDB as part of the broader integration ecosystem.

This is a high-impact opportunity for a Full Stack Engineer who values clean code, cloud-first development, modern architecture, and contributing to enterprise-wide transformation.

Top 4 SkillsReact (JavaScript/TypeScript): Front-end UI developmentJava / Spring Boot: Microservices and enterprise backend architectureAWS (Fargate, MSK, Lambda): Cloud-native deployment and infrastructureKafka: Event-based messaging and asynchronous integrations ResponsibilitiesBuild front-end applications using ReactDevelop Spring Boot microservices and integrate with internal/external systemsCreate scalable, secure REST APIs and Kafka-based event-driven servicesDeploy cloud-native applications to AWS using services like MSK, Fargate, and LambdaBuild and manage containerized workloads with Docker and KubernetesParticipate in Agile ceremonies, architecture discussions, and planningCollaborate in team brainstorming and ideation sessions to solve complex challengesEnsure code quality, version control, and change management using Git and CI/CD practicesIntegrate with external Third-Party Benefit AdministratorsContribute to MuleSoft and MongoDB integration initiatives.

Qualifications5+ years of full stack software development experienceAdvanced skills in React, Java, Spring BootStrong hands-on experience with AWS (esp.

MSK, Fargate)Experience developing REST APIs and microservice architecturesAgile experience using tools like JIRA and ConfluenceMust be authorized to work in the U.S.

without current or future sponsorshipComfortable with occasional travel to Omaha, NE Preferred:Experience with MuleSoft (Anypoint Platform, API-led integrations)Familiarity with MongoDBAWS Certifications (Cloud Practitioner, Developer Associate, or Solutions Architect Associate). Capstone IT is an EEO Employer Our website: Like us on Facebook: Follow us on Twitter: Connect with us on LinkedIn: