Principal Software Engineer (React + Node) - Remote - USA

About FullStack FullStack is one of the fastest-growing software consultancy companies in the Americas. We deliver transformational digital solutions to top global companies and Silicon Valley startups. As an employee-first company, we focus on hiring the most talented software designers and developers by creating a positive, respectful, and supportive work environment where they can achieve their greatest potential. We’re Most Proud Of

• Offering life-changing career opportunities to talented software professionals across the Americas.
• Building highly-skilled software development teams for hundreds of the world’s greatest companies.
• Having delivered hundreds of successful custom software solutions, which have positively impacted the lives and careers of millions of users.
• Our 4.2-star rating on GlassDoor.
• Our client Net Promoter Score of 68, twice the industry average.

The Position We're Looking To Hire a Principal Software Engineer (React + Node) To Join Our Team. You'll Work With Our Incredible Clients In One Of Two Ways

• Team Augmentation: You will integrate yourself directly into our client's team and work alongside their existing designers and engineers on a daily basis.
• Design & Build: You will work on a FullStack product team to build and deliver a product to our clients.

What We're Looking For

• 10+ years of professional software development experience.
• Advanced English is required.
• Successful completion of a four-year college degree is required.
• Strong proficiency in C# and .NET.
• Proficiency in React and Node.js for full-stack development.
• Strong experience with modern frontend technologies including JavaScript, HTML, and CSS.
• Hands-on experience building and consuming RESTful APIs, including knowledge of HTTP 1/2.
• Solid experience in backend service development.
• Deep understanding of software design and architecture best practices.
• Strong problem-solving and analytical skills.
• Proven leadership and mentoring experience in senior or principal engineering roles.
• Excellent communication and collaboration skills.
• Experience with performance optimization techniques is preferred.
• Familiarity with security frameworks and compliance standards in regulated environments is a plus.
• Experience with CI/CD practices and modern frontend development patterns is nice to have.
• Ability to work through new and difficult issues and contribute to libraries as needed.
• Ability to create and maintain continuous integration and delivery of applications.
• Forensic attention to detail.
• A positive mindset and a can-do attitude.
• Experience working on Agile / Scrum teams.
• Meaningful experience working on large, complex systems.
• Ability to take extreme ownership over your work. Every day is a challenge to ensure you are performing to the expectations you and your team have agreed upon.
• Ability to identify with the goals of FullStack's clients, and dedicate yourself to delivering on the commitments you and your team make to them.
• Ability to consistently work 40 hours per week.

Nice To Have We’re Seeking Engineers Who Are AI-enthusiastic In Their Workflow. Professional Experience Or Personal Project Work With The Following Is a Significant Plus

• Cursor, Windsurf, or Google Antigravity.
• Claude Code, Gemini CLI, Codex, or Copilot CLI.

What We Offer

• Competitive Salary.
• Paid Time Off (vacation, sick leave, maternity and paternity leave, holidays).
• 100% remote work.
• The ability to work with leading startups and Fortune 500 companies.
• Health, dental, and vision insurance.
• 401(k) w/ 4% match.
• Ample opportunity for career advancement.
• Continuing education opportunities.

FullStack is proud to be an equal opportunity workplace. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, or Veteran status. Learn more about our Applicants Privacy Notice. What We Are Looking For

• 10+ years of professional software development experience.
• Advanced English is required.
• Proven experience as a Solutions Architect or similar role in a technical environment.
• Strong knowledge of architecture principles, design patterns, and best practices.
• Expertise in various programming languages, frameworks, and technologies.
• Ability to work independently and in a team, managing multiple projects simultaneously.
• Relevant certifications (e.g., AWS Certified Solutions Architect, Microsoft Certified: Azure Solutions Architect) is a plus.
• Successful completion of a four-year college degree is required.
• Experience working on Agile/Scrum teams.
• Meaningful experience working on large, complex systems.
• Ability to take extreme ownership over your work. Every day is a challenge to ensure you are performing to the expectations you and your team have agreed upon.
• Ability to identify with the goals of FullStack's clients, and dedicate yourself to delivering on the commitments you and your team make to them.
• Ability to consistently work 40 hours per week

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