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React / Next.js Front End Developer — Remote

  • Posted:
  • Proposals: 87
  • Remote
  • #4512983
  • Expired
Thompson J.Joshua A.Sidhartha P.Awais A.Ziyoddin S. + 82 others have already sent a proposal.
  • 9

Description

Experience Level: Expert
Estimated project duration: Ongoing
We're building the new web version of our product and are looking for an experienced front-end developer to lead and support the rollout. You'll work primarily in React and Next.js, building the interfaces our customers use every day. The frontend integrates with a SQL Server database via a C# API — you won't be modifying the API or database directly, but you'll need to understand relational data and work comfortably against existing APIs.

WHAT YOU'LL DO
- Build and maintain UI features in React / Next.js
- Consume and integrate with an existing C# REST API
- Translate designs and requirements into performant, accessible, responsive interfaces
- Write clean, maintainable, well-tested code and participate in code review
- Collaborate with the wider team (and any backend/API developers) to flag issues, edge cases, or data needs

WHAT WE'RE LOOKING FOR
- 3-5+ years of professional front-end development experience
- Strong hands-on experience with React and Next.js (App Router / SSR / routing/data fetching patterns)
- Solid JavaScript fundamentals; TypeScript experience strongly preferred
- Strong HTML5 and modern CSS skills
- Comfortable working with relational databases conceptually (you won't write SQL day-to-day, but should understand schemas, joins, and how data is structured)
- Experience consuming REST APIs built by another team (ideally including .NET/C# APIs, but not essential)
- Good communication skills — able to work async/remote and flag blockers early

NICE TO HAVE
- Experience with a component library/design system
- Automated testing experience (Jest, React Testing Library, Playwright/Cypress)
- Familiarity with CI/CD and Git-based workflows
- Experience in construction, CRM, or B2B SaaS products

LOGISTICS
- Fully remote

HOW TO APPLY
When you apply, lead with relevant experience; tell me how you've shipped React or Next.js apps that tracked complex regional data and how you kept performance sharp. Links to repos or live products speak louder than a polished proposal.

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Clarification Board Ask a Question

  • Rômulo B.

    Have you already found a developer for the position?

  • VCONN P.

    Hi,

    When are you hoping to start?

  • VCONN P.

    Hi Julian,

    I have a few questions to better understand your project:

    1. Is this an existing Next.js codebase that needs ongoing development, or is the frontend being built from scratch?

    2. Are the UI designs available in Figma, or will the frontend developer also contribute to UX decisions?

    3. Is the C# REST API already complete and documented?

    4. What state management and data-fetching approach are you using (React Query, Redux, Zustand, Context API, etc.)?

    5. Are automated tests already part of the project, or would you like us to help implement them?

    6. Approximately how many modules or major features are planned for the initial rollout?

    Looking forward to your reply!

  • Anuradha G.

    Hello, Julia

    Before moving ahead, I would like to clarify a few points so I can understand the current application and prioritize the frontend work correctly:

    Which React/Next.js module or customer-facing workflow would you like me to work on first?
    Could you share the current frontend repository or live product along with the C# API documentation, so I can understand the existing data flow and architecture?


    Are there any current performance issues with data-heavy pages, API response handling, SSR, or loading times that you want addressed first?

  • Khmil A.

    Hi Julian

    I checked your job requirement and I have some questions now.

    What is the current stage of the project (planning, MVP, or existing product)?
    How many pages or modules need to be developed?
    Which version of Next.js are you using (App Router or Pages Router)?
    Is the UI/UX design complete (Figma), or will I help with design implementation?
    Which component library or design system are you using (e.g., MUI, Shadcn UI, Chakra UI, Tailwind CSS)?
    Is the C# REST API fully completed and documented (Swagger/OpenAPI)?
    What authentication method is used (JWT, OAuth, Azure AD, etc.)?
    How is state management handled (Redux, Zustand, Context API, React Query/TanStack Query)?
    Are there any real-time features such as SignalR or WebSockets?
    What testing framework do you currently use (Jest, React Testing Library, Playwright, Cypress)?
    What CI/CD pipeline and hosting platform are you using (Azure DevOps, GitHub Actions, Vercel, AWS)?
    What browsers and devices must be supported?
    Are there any specific performance or Core Web Vitals targets?
    Can you share the existing application or a staging/demo environment to better understand the scope?