Nium

Staff Fullstack Engineer

Nium

full-time

Posted on:

Location Type: Hybrid

Location: San FranciscoCaliforniaUnited States

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Salary

💰 $180,000 - $260,000 per year

Job Level

About the role

  • Help evolve our fast prototyping culture to foster innovation and quick market validation.
  • Take ownership of the entire application stack and take us through the entire discovery & validation to the customer revenue cycle.
  • Build user-facing features using React, TypeScript, and Next.js.
  • Develop and integrate REST APIs using Java Springboot or Nodejs based technologies.
  • Maintain clean, modular, and well-tested code across the stack.
  • Contribute to architectural decisions, code reviews, and shared components.
  • Optimize for performance, accessibility, and responsiveness.

Requirements

  • 5+ years of experience building web applications in production environments.
  • Strong knowledge +of JavaScript / TypeScript and React.
  • Strong focus on Reliability and scalability of applications.
  • Exposure to CI/CD and DevOps tools (Docker, feature flags, monitoring).
  • Strong fundamentals in structured programming languages (Java/GoLang/C).
  • Experience integrating with REST APIs and backend systems.
  • Solid understanding of frontend fundamentals (HTML/CSS, accessibility, testing).
  • Familiarity with backend concepts (Java/Spring Boot, SQL, containers).
  • Clear, effective communication and collaboration skills.
  • Growth mindset — you ask questions, give feedback, and enjoy learning.
Benefits
  • We Value Performance: Through competitive salaries, performance bonuses, sales commissions, equity for specific roles and recognition programs, we ensure that all our employees are well rewarded and incentivized for their hard work.
  • We Care: The wellness of Nium’ers is our #1 priority. We offer medical coverage along with 24/7 employee assistance program, generous vacation programs including our year-end shut down. We also provide a flexible hybrid working environment (3 days per week in the office).
  • We Upskill Ourselves: We are curious, and always want to learn more with a focus on upskilling ourselves. We provide role-specific training, internal workshops, and a learning stipend.
  • We Constantly Innovate: Since our inception, Nium has received constant recognition and awards for how we approach both our business and talent opportunities. Check out CNBC World’s Top Fintech Companies 2024.
  • We Celebrate Together: We recognize that work is also about creating great relationships with each other. We celebrate together with company-wide social events, team bonding activities, happy hours, team offsites, and much more!
  • We Thrive With Diversity: Nium is truly a global company, with more than 33 nationalities, based in 18+ countries and more than 10 office locations.

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard skills
ReactTypeScriptNext.jsJava Spring BootNode.jsREST APIsHTMLCSSJavaGoLang
Soft skills
communicationcollaborationgrowth mindsetreliabilityscalabilityfeedbackinnovationownershipproblem-solvingadaptability