React Developer

Hanover, NH, United States (On-site) Contract (6 months 17 days) Published 12 hours ago react.js REST API integration observability performance optimization State management DevOps & CI/CD Typescript /Javascript Stakeholder collaboration, * Lead the design, development, and enhancement of React-based user interfaces for an external-facing portal, integrating with REST/JSON APIs.

• Define reusable components, shared UI patterns, and front-end architecture decisions to improve maintainability, scalability, and consistency across applications.
• Lead front-end integration with enterprise authentication/authorization (e.g., SSO/OIDC/OAuth) and establish secure patterns for handling tokens, session state, and protected user journeys.
• Drive cross-team collaboration across cloud and on-premises environments, partnering with platform and backend teams to resolve integration issues and reduce delivery risk.
• Provide technical leadership across the SDLC in an Agile team, including refinement, estimation, solution design, development, code reviews, release readiness, and hands-on support for complex implementation work.
• Set and enforce front-end engineering standards for accessibility (WCAG), performance, secure coding, observability, and maintainable development practices.
• Own and improve CI/CD practices (e.g., Azure DevOps/GitHub Actions) by strengthening build and test automation, resolving pipeline issues, and supporting reliable deployments.
• Partner with UX, product, and engineering stakeholders to translate requirements into scalable solutions, while mentoring developers and promoting high-quality delivery practices.
• Supervisory Responsibilities: This role may provide technical leadership, mentoring, and day-to-day guidance to developers and project contributors, but does not require direct people management.

Do you have experience in UI implementation?, * 5 or more years of professional software development experience, including significant experience leading modern web UI initiatives.

• Deep hands-on experience building React applications with modern JavaScript/TypeScript, including components, hooks, state management, and architectural decision-making.

Pulled from the full job description

• Health insurance
• Retirement plan
• Vision insurance
• Dental insurance, The pay range that the employer in good faith reasonably expects to pay for this position is $36.06/hour - $56.34/hour. Our benefits include medical, dental, vision and retirement benefits. Applications will be accepted on an ongoing basis.

Capgemini ist einer der weltweit führenden Anbieter von Management- und IT-Beratung, Technologie-Services und Digitaler Transformation. Als ein Wegbereiter für Innovation unterstützt das Unternehmen seine Kunden bei deren komplexen Herausforderungen rund um Cloud, Digital und Plattformen.