Senior Fullstack Web Development Engineer - React/Typescript

About Delinea:
Delinea is a pioneer in securing human and machine identities through intelligent, centralized authorization, empowering organizations to seamlessly govern their interactions across the modern enterprise. Leveraging AI-powered intelligence, Delinea’s leading cloud-native Identity Security Platform applies context throughout the entire identity lifecycle – across cloud and traditional infrastructure, data, SaaS applications, and AI. It is the only platform that enables you to discover all identities – including workforce, IT administrator, developers, and machines – assign appropriate access levels, detect irregularities, and respond to threats in real-time. With deployment in weeks, not months, 90% fewer resources to manage than the nearest competitor, and a 99.995% uptime, Delinea delivers robust security and operational efficiency without compromise. Learn more about Delinea on Delinea.com, LinkedIn, X, and YouTube.

Join our passionate, global team at Delinea and help us make the world a safer and more secure place. Our success is driven by world-class product leadership, outstanding engineers, and strategic investment from TPG. We value diversity, innovation, and a culture of respect and fairness. If you’re ready to push boundaries and challenge the status quo in security, we want to hear from you.

Apply today to help us achieve our mission.

What you’ll do:
• Full-stack design and development for a cross-browser web extension using React, Typescript, HTML, and CSS with REST-based communication with back-end microservices
• Using Scrum processes, collaborate with cross-functional teams (PM, UX, Dev) to understand requirements, propose technical solutions, and contribute to architectural decisions.
• Implement and enforce coding standards and best practices (linting, testing, documentation).
• Investigate, debug, and resolve complex technical issues in production and development.
• Drive performance and optimization improvements across applications.
• Guide junior and mid-level engineers through code reviews, mentoring, and pair programming.
• Contribute to technical documentation for internal knowledge sharing.
• Stay current with emerging front-end technologies and bring in improvements to the team’s stack and workflow.
• Stay up-to-date with industry trends, best practices, and emerging technologies related to our core technologies.

What you´ll need
• Expert-level proficiency with React and its ecosystem (React Query, Hooks, Context, etc).
• Strong knowledge of JavaScript (ES6+) and Typescript.
• Deep understanding of HTML5 and CSS3, including responsive design, accessibility (such as ARIA), and cross-browser compatibility.
• Experience building and maintaining browser extensions (e.g., Chrome, Firefox) — strong plus.
• Familiarity with REST back-end integration. Familiarity with common software best practices such as design patterns, and SOLID principles.
• Experience with C#/.NET — plus, but not required. Strong understanding of modern build tools and workflows (Webpack, Vite, Babel, npm/yarn, CI/CD pipelines).
• Testing expertise (uni…