Senior Software Development Engineer - Fullstack/React
Confirmed on the employer's own hiring board on Oct 16, 2026. First seen by Alion on Aug 20, 2026. Delinea scores B on the Alion truth index.
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.
This role will work hybrid (3 days per week) out of our Mexico City office.
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.
What is good to have
- 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
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 Affirmative 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.