Senior Fullstack Web Development Engineer - React/Typescript

Delinea; Northern (KY); Hybrid; USD 110,000 - 170,000; Full time

Benefits offered by this job

Healthcare insurance

Pension/retirement matching

Paid company holidays

Employee assistance program

Job summary

Delinea is seeking a skilled Front-end/Full-stack engineer to design and develop a cross-browser web extension using React, TypeScript, HTML, and CSS, with REST-based integration to backend services.

You will collaborate with product, UX, and Dev teams, enforce coding standards, resolve production issues, and drive performance improvements while mentoring junior engineers and contributing to technical docs.

Qualifications

• Expert-level proficiency with React and its ecosystem (Query, Hooks, Context).
• Strong knowledge of JavaScript (ES6+) and TypeScript.

Responsibilities

• 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.
• Collaborate with cross-functional teams to understand requirements and contribute to architectural decisions.
• Implement coding standards, testing, and documentation.

Skills

React

Typescript

JavaScript

HTML/CSS

REST APIs

UI/UX

CI/CD

Webpack/Vite

Testing

Code reviews/mentoring

Tools

Azure DevOps

Webpack

Vite

Babel

Job description

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.

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 (unit, integration, and end-to-end testing). Version control proficiency.
• Strong design skills and full software development lifecycle experience required.
• Strong problem-solving skills and the ability to troubleshoot and resolve complex technical issues.
• Comfort working autonomously with minimal supervision. Excellent communication and collaboration skills, with the ability to work effectively with a globally-distributed team.
• Passionate about writing quality code and constantly honing your development skills.
• Ability to quickly read and understand both new and existing code.

We'd Love to See:

• Familiarity with web-based security principles and best practices
• Experience with Azure DevOps and Azure DevOps pipelines is a plus
• Experience with YAML is a plus

For this Job, Delinea is not considering candidates that need any type of US work authorization now or in the future. This includes, but is not limited to: F1-OPT, F1-CPT, H-1B, TN, L-1, J1, etc.

Why work at Delinea?

• We're passionate problem-solvers helping the world's largest organizations protect what matters most: their human and machine identities.

• We invest in people who are smart, self-motivated, and collaborative.
• What we offer in return is meaningful work, a culture of innovation and great career progression.

At Delinea, our core values are STRONG and guide our behaviors and success:

• Spirited - We bring energy and passion to everything we do
• Trust - We act with integrity and deliver on our commitments
• Respect - We listen, value different perspectives, and work as one team
• Ownership - We take initiative and follow through
• Nimble - We adapt quickly in a fast-changing environment
• Global - We embrace diverse people and ideas to drive better outcomes

We believe weaving these core values into our day-to-day actions, and our process for hiring, evaluating, and promoting employees, helps us cultivate a work environment that embraces collaboration and camaraderie.

We take care of our employees. We offer competitive salaries, a meaningful bonus program, and excellent benefits, including healthcare insurance, as well as pension/retirement matching, comprehensive life insurance, an employee assistance program, time off plans, and paid company holidays.

Delinea is an Equal Opportunity and Affinitive Action employer and prohibits discrimination and harassment of any type with regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

Upon conditional offer of employment, candidates are required to complete comprehensive criminal background check, verification of education, and verification of employment, per employment policy. In addition, all publicly posted social media sites may be reviewed.