Staff Fullstack Engineer

United States Digital Space LLC; United States; Hybrid; USD 120,000 - 170,000; Full time

Job summary

The World's Identity Company is seeking an experienced web Fullstack engineer to join the Access Frameworks team. You will design, develop, and optimize high-impact features across React frontend and Java/Spring Boot backend, delivering scalable identity services used by millions daily.

You will collaborate with product managers, designers, and other engineers to translate requirements into robust software, write tests, and continuously improve the codebase and architecture.

Qualifications

• 10+ years of professional Fullstack development experience.
• Deep expertise in React, including hooks and state management.
• Extensive backend experience with Java and Spring Boot, API security and DB tuning.
• Proficiency in TypeScript and modern JavaScript, HTML5, CSS3.
• Experience with RESTful APIs and frontend tooling (Webpack, Babel, Vite, Yarn).

Responsibilities

• Lead the design and development of complex, high-performance features using React and TypeScript.
• Architect and optimize server-side logic and data models with Java, Spring Boot, and MySQL.
• Collaborate with product managers, UX designers, and backend engineers to translate requirements.
• Write clean, modular, well-tested, maintainable code following best practices.
• Optimize applications for speed, scalability, and cross-device responsiveness.
• Contribute to frontend architecture scalability and maintainability.
• Participate in code reviews and ensure team-wide code quality.
• Identify and address technical debt and performance bottlenecks.
• Stay up-to-date with Fullstack trends and new tools.
• Promote continuous improvement and technical excellence within the team.

Skills

React

TypeScript

Java

Spring Boot

MySQL

RESTful APIs

Testing

Git

HTML/CSS

Frontend tooling

Accessibility

Education

Bachelor's degree in Computer Science or equivalent experience

Tools

Jest

Playwright

React Testing Library

Webpack

Babel

Vite

Job description

**Secure Every Identity, from AI to Human

**Identity is the key to unlocking the potential of AI. the company secures AI by building the trusted, neutral infrastructure that enables organizations to safely embrace this new era. This work requires a relentless drive to solve complex challenges with real-world stakes. We are looking for builders and owners who operate with speed and urgency and execute with excellence.

This is an opportunity to do career-defining work. We're all in on this mission. If you are too, let's talk.

Get to know the company

the company is The World's Identity Company. We free everyone to safely use any technology, anywhere, on any device or app. Our flexible and neutral products, the company Platform and Auth0 Platform, provide secure access, authentication, and automation, placing identity at the core of business security and growth.

At the company, we celebrate a variety of perspectives and experiences. We are not looking for someone who checks every single box - we’re looking for lifelong learners and people who can make us better with their unique experiences.

Join our team! We’re building a world where Identity belongs to you.

Access Essentials

The Access Essentials organization at the company builds the platform features for authentication and authorization across the company-protected resources. Our mission is to enable customers to access these resources seamlessly & securely. We develop the company cloud services and client software that allow users to seamlessly login to devices and use the company authenticators to access applications securely. This team is part of the company R&D Engineering. Learn more about the company’s Engineering on our blog.

The Access Frameworks team

We build the foundational authentication and access frameworks that secure how every the company customer signs in and verifies identity. Our products and features are deeply embedded across the company's platform, making them high-impact and high-visibility. Our team owns the Authenticator Platform (Authenticator Admin API, MyAccount Authenticators API, Factors API), the company Telephony (SMS/voice OTP delivery, BYO-Telephony, toll-fraud protection, and vendor relations), the company Certificate Authority, and Trusted Origins & CORS (Trusted Origins API, CORS), along with OktaVerify push notification delivery and MFA Abandonment reporting.

The Engineer Opportunity

We seek an experienced web Fullstack engineer to join our Access Frameworks team. The ideal candidate has an excellent mix in experience Fullstack development, building well-tested and maintainable software. The opportunity is an excellent chance to build software with high impact and usage. If you’re excited to work on something that millions of users will use on a daily basis, this is the opportunity for you.

Job Duties and Responsibilities:

• Lead the design and development of complex, high-performance features using React and TypeScript.

• Architect and optimize high-performance server-side logic and robust data models using Java, Spring Boot, and MySQL to ensure the reliability and efficiency of our core identity services.

• Collaborate closely with product managers, UX designers, UX researchers and backend engineers to translate requirements into robust and effective Fullstack solutions.

• Write clean, modular, well-tested, and maintainable code, adhering to best practices and coding standards.

• Optimize applications for speed, scalability, and responsiveness across various devices and browsers.

• Contribute to the evolution of our frontend architecture, ensuring its long-term scalability and maintainability.

• Participate in code reviews, providing constructive feedback and ensuring code quality across the team.

• Proactively identify and address technical debt, performance bottlenecks, and areas for improvement.

• Stay up-to-date with the latest trends and technologies in Fullstack development, evaluating and recommending new tools and approaches.

• Champion a culture of continuous improvement, innovation, and technical excellence within the team.

Minimum Requirements:

• 10+ years of professional experience in Fullstack development, with a strong focus on building complex web applications.

• Deep expertise in React, including a strong understanding of its core principles, hooks, component lifecycle, and state management.

• Extensive experience in developing and scaling enterprise-grade backend applications with Java and Spring Boot, including deep knowledge of API security and database performance tuning

• Proficiency in TypeScript, with a proven ability to leverage its features for robust and maintainable codebases.

• Solid understanding of modern JavaScript (ES6+), HTML5, and CSS3.

• Experience with front-end tooling such as Webpack, Babel, Vite, and package managers (Yarn).

• Hands-on experience with relational databases, specifically MySQL, including data modeling and query optimization.

• Demonstrated experience consuming and integrating with RESTful APIs.

• Familiarity with testing frameworks (e.g., Jest, React Testing Library, Playwright) and a commitment to writing comprehensive tests.

• Strong understanding of version control systems, particularly Git.

• Experience with responsive design principles and building accessible web interfaces.

• Excellent problem-solving skills, with the ability to debug complex issues and find practical solutions.

• Strong communication and interpersonal skills, with the ability to collaborate effectively within a cross-functional team.

Nice to have:

• Familiarity with design systems and component libraries.

• An understanding of Identity and Access Management protocols and architecture, e.g., FIDO, U2F, WebAuth, SSO, SAML, OAuth, Federation.

• Contributions to open-source projects.

Education and Training:

• Bachelor's degree in Computer Science or equivalent experience

#LI-Hybrid#P25116

The the company Experience

• Supporting Your Well-Being

• Driving Social Impact

• Developing Talent and Fostering Connection + Community

We are intentional about connection. Our global community, spanning over 20 offices worldwide, is united by a drive to innovate. Your journey begins with an immersive, in-person onboarding experience designed to accelerate your impact and connect you to our mission and team from day one.

the company is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without