Senior Full Stack Developer (CORE)

Posted Yesterday
Be an Early Applicant
5 Locations
Remote
Senior level
HR Tech • Information Technology • Professional Services • Sales
The Role
Design, build, and maintain scalable Next.js/React TypeScript web applications; convert Figma to responsive UI with Tailwind; integrate REST/GraphQL APIs; implement auth (JWT/OAuth/Firebase); develop backend logic with Node.js/serverless and AWS services; mentor junior developers; work with CI/CD and Agile processes and follow TDD practices.
Summary Generated by Built In

We are looking for an experienced Senior Full Stack Developer who can handle both front-end and back-end development, contribute to API integrations, and mentor junior developers. This is a fully remote position.

Job Responsibilities

  • Build and maintain scalable web applications using Next.js, React, and TypeScript, with a strong grasp of component lifecycles and server/client-side rendering.
  • Translate Figma designs into responsive, pixel-perfect HTML/CSS layouts using Tailwind or modern styling frameworks.
  • Design and implement reusable UI components and hooks that follow best practices and promote maintainability across the app.
  • Integrate RESTful and GraphQL APIs, ensuring robust data fetching strategies with tools like React Query, SWR, or built-in Next.js APIs.
  • Implement secure authentication and authorization systems using JWT, OAuth (e.g., Google Auth), or Firebase Auth, depending on app requirements.
  • Develop and maintain backend logic using Node.js, Next.js API routes, or serverless functions (e.g., AWS Lambda), including interaction with AWS services like S3, SQS, and SNS.

Requirements
  • 3-5 years of experience as a full-stack developer with expertise in React and related technologies.
  • Proficient in building robust, type-safe components using React and TypeScript, with a solid grasp of hooks, context, and component lifecycles.
  • Experience converting Figma designs to fully functional and responsive HTML/CSS.
  • Proficiency in integrating with RESTful APIs (both internal and third-party).
  • Familiarity with authentication technologies like GoogleAuth, FirebaseAuth, and JWT.
  • Knowledge of AWS services, including Lambda, S3, SNS, and SQS.
  • Experience working with CI/CD pipelines (e.g., Jenkins, GitLab CI).
  • Proven ability to mentor junior developers and detect areas for improvement in their code.
  • Experienced in project management using JIRA or Linear with Agile Scrum methodologies.
  • Strong understanding of Test-Driven Development (TDD) principles.

Nice to Have:

  • Familiarity with microservices architecture.
  • Experience with cloud-native development and serverless architectures.
  • Previous experience working in a fully remote environment.

Minimum Technical and Work Environment Requirements:

  • Internet Connection:
    • Primary internet connection with a minimum speed of 15 Mbps.
    • Backup internet connection with at least 10 Mbps.
    • Backup connection must be capable of supporting work during a power outage.
  • Primary Device:
    • Desktop or laptop equipped with at least:
      • Intel Core i5 (8th generation or newer), Intel Core i3 (10th generation or newer), AMD Ryzen 5, or an equivalent processor.
      • A minimum of 8 GB RAM.
  • Backup Device:
    • Must meet or exceed the performance of an Intel Core i3 processor.
    • Must be functional during power interruptions.
  • Peripherals and Workspace:
    • A functioning webcam.
    • A noise-canceling USB headset.
    • A quiet, dedicated home office space.
    • A smartphone for communication and verification purposes.

Benefits
  • Join Our Dynamic Team: Experience our fun, inclusive, innovative culture that values your unique contributions and supports your professional growth.
  • Embrace the Opportunities: Seize daily chances to learn, innovate, and excel. Make a real impact in your field.
  • Limitless Career Growth: Unlock a world of possibilities and resources to propel your career forward.
  • Fast-Paced Thrills: Thrive in a high-energy, engaging atmosphere. Embrace challenges and reap stimulating rewards.
  • Flexibility, Your Way: Embrace the freedom to work from home or any location of your choice. Create your ideal work environment.
  • Work-Life Balance at Its Best: Say goodbye to stressful commutes and hello to quality time with loved ones. Achieve a healthy work-life integration to perform at your best.

Skills Required

  • 3-5 years of experience as a full-stack developer with expertise in React and related technologies.
  • Proficient in building robust, type-safe components using React and TypeScript, with hooks and context.
  • Experience converting Figma designs to fully functional and responsive HTML/CSS layouts.
  • Proficiency integrating with RESTful APIs and GraphQL APIs.
  • Familiarity with authentication technologies such as Google Auth, Firebase Auth, and JWT.
  • Knowledge of AWS services including Lambda, S3, SNS, and SQS.
  • Experience developing backend logic using Node.js, Next.js API routes, or serverless functions.
  • Experience working with CI/CD pipelines (e.g., Jenkins, GitLab CI).
  • Proven ability to mentor junior developers and provide code improvement feedback.
  • Experience with project management tools (JIRA or Linear) and Agile Scrum methodologies.
  • Strong understanding of Test-Driven Development (TDD) principles.
  • Primary internet connection with minimum 15 Mbps.
  • Backup internet connection with minimum 10 Mbps capable during power outage.
  • Primary device: desktop or laptop with Intel Core i5 (8th gen+) or Intel Core i3 (10th gen+) or AMD Ryzen 5, and minimum 8 GB RAM.
  • Backup device meeting or exceeding Intel Core i3 performance and functional during power interruptions.
  • Functioning webcam.
  • Noise-canceling USB headset.
  • Quiet, dedicated home office space.
  • Smartphone for communication and verification purposes.
  • Familiarity with microservices architecture.
  • Experience with cloud-native development and serverless architectures.
  • Previous experience working in a fully remote environment.
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The Company
0 Employees

What We Do

CrewBloom is a remote staffing agency founded in 2016 that connects businesses with top-tier global talent. The company specializes in sourcing and recruiting professionals for various roles, including sales, customer support, IT, and administrative functions. With a global footprint spanning 22 countries, CrewBloom aims to help growing companies scale efficiently by providing vetted, high-performance remote staff across diverse industries such as healthcare, SaaS, and e-commerce.

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