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Senior Consultant | Reactive Programming | react JS

IMCS Group Inc
🇺🇸 United States
On-site
Senior
3 months ago
  • React.js
  • Spring Boot
  • Microservices
  • TypeScript
  • Java
  • JavaScript
  • Redux Toolkit
  • React Query
  • React Router
  • React Hook Form
  • Yup
  • Zod
  • Material UI
  • CSS Modules
  • Tailwind
  • ESLint
  • Prettier
  • Jest
  • Testing Library
  • Cypress
  • Playwright
  • Core Web Vitals
  • WCAG
  • i18n
  • Next.js
  • SEO
  • JPA
  • Hibernate
  • OAuth2
  • OIDC
  • JWT
  • CORS
  • CSRF
  • OpenAPI
  • Swagger
  • RabbitMQ
  • Redis
  • JUnit
  • Mockito
  • MySQL
  • NoSQL
  • MongoDB
  • DynamoDB
  • SQL
  • Devops
  • CI/CD
  • GitHub Actions
  • Azure DevOps
  • Jenkins
  • Docker
  • Kubernetes
  • Helm
  • AWS
  • Azure
  • GCP
  • IaC
  • Terraform
  • OpenTelemetry
  • Prometheus
  • Grafana
  • Agile
  • Scrum
  • HTML5
  • CSS3
  • REST API
  • JSON
  • Git
  • Storybook
  • Design Systems
  • Apollo
  • tRPC
  • SAST
  • DAST
  • OWASP
  • Secrets Management
  • GA4
3 months ago
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Company Description: IMCS Group is one of the fastest growing MWBE (Minority Woman Owned Enterprise) staffing firms in the U.S. We focus on bringing a Diversity Recruitment approach to Fortune 500 companies within North America and EMEA region contingent labor programs.  IMCS Group excels in providing top talent in IT, Healthcare, Engineering, Finance, Light Industrial, Contact Center, and Clerical.  We have offices in the US, Canada, Mexico, and India in which we can provide support to our clients.

Description: Beeline ID

120976-1

Assignment Duration

12 Months

Total Yrs. of Experience

8+ 10 years

Detailed JD (Roles and Responsibilities)

We are looking for a Senior Full‑Stack Engineer who is having relevant experience of 8 years in end‑to‑end across a modern React.js frontend and a Spring Boot microservices backend. You’ll design and build resilient APIs, craft accessible and performant user interfaces, and collaborate with cross‑functional teams to ship customer‑centric experiences at speed and scale.

Key Responsibilities

End‑to‑End Delivery

Own features across frontend (React + TypeScript) and backend (Java + Spring Boot)—from design and implementation to testing, deployment, and observability. Translate business requirements into clean architecture, reusable components, and well‑documented APIs. Champion quality through code reviews, pair programming, and continuous improvement.

Frontend (React)

Build responsive, accessible SPA features with React 18+ and TypeScript/JavaScript, using modern patterns (hooks, context, custom hooks). State management with Redux Toolkit or React Query; React Router for navigation. Forms & validation (React Hook Form, Yup/Zod), charts, and component libraries (MUI/Ant/Chakra). Styling with CSS Modules/SCSS/Tailwind; enforce standards via ESLINT/Prettier. Testing with Jest + React Testing Library; E2E with Cypress/Playwright. Performance tuning (code-splitting, lazy loading, memoization, Core Web Vitals). Accessibility (WCAG 2.1 AA), internationalization (i18n) where applicable. (Optional) SSR/SSG using Next.js for SEO‑sensitive surfaces.

Backend (Java/Spring)

Design and build RESTful microservices with Spring Boot, Spring Web, Spring Data JPA/Hibernate Secure services with Spring Security, OAuth2/OIDC, JWT; manage CORS/CSRF correctly for web clients. Define API contracts with OpenAPI/Swagger; ensure backward compatibility and versioning .Event-driven patterns (Kafka/RabbitMQ) and caching (Redis) as needed. Testing: JUnit 5, Mockito, Test containers for integration tests. MySQL, NoSQL (MongoDB/DynamoDB).

Performance profiling, SQL query optimization, resilience (timeouts, retries, circuit breakers).

DevOps & Platform.

CI/CD (GitHub Actions/Azure DevOps/Jenkins) for both frontend and backend pipelines (build, test, scan, deploy). Containerization with Docker, orchestration with Kubernetes (Helm as plus). Cloud deployment on AWS/Azure/GCP; IaC with Terraform is a plus. Observability: structured logging, distributed tracing (OpenTelemetry), metrics & dashboards (Prometheus/Grafana), alerts (ELK/EFK).

Collaboration

Work in Agile/Scrum; break down epics into deliverable increments, maintain technical documentation (API specs, ADRs).

Qualifications — Must Have

6–10 years total experience with at least 5+ years in Java (11/17+) and Spring Boot.

2–4+ years building production React applications; strong TypeScript/JavaScript proficiency.

Solid knowledge of HTML5/CSS3, responsive design, and web accessibility fundamentals.

REST API design; JSON; understanding of CORS, CSRF, and browser security. Proficient with Git (branching strategies), code reviews, and PR workflows. Testing mindset: unit, integration, and E2E for both frontend and backend. Experience with Docker and a mainstream CI/CD tool. Strong problem‑solving and communication skills.

Nice to Have

Next.js, Redux Toolkit, React Query, Storybook (design systems).

Grahl (Apollo/federation) or TRPC. Messaging (Kafka), caching (Redis), and Kubernetes production experience. open API first development; API gateways. Security tooling (SAST/DAST, OWASP Top 10) and secrets management. Performance profiling (Lighthouse, Chrome Dev Tools, JFR, JMC) and Core Web Vitals ownership. Feature flagging (Launch Darkly/Unleash), analytics (GA4/Segment). Domain exposure: [Your Domain—FinTech/Telecom/Healthcare/etc.].

Client Name

Palo Alto

Max Vendor Rate in Per Day

125 USD/hour

Work Location given in ECMS ID

Santa Clara, California

BG Check (Pre OR post onboarding)

Post Onboarding

Is there any working in shifts

The candidate must be willing to work in PST time Zone

Custom Fields:
Name: Intake Call Requested
Value: false

Name: Intake Call Completed
Value: false



EEOC Disclaimer: IMCS Group is an equal opportunity employer and makes employment decisions without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran status, disability status, age, or any other status protected by law. IMCS Group is committed to maintaining an inclusive workforce, where employees are hired, retained, compensated, and promoted based on their contributions to our Company.

Senior Consultant | Reactive Programming | react JS · IMCS Group Inc

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