Senior Frontend Developer

About the Role

We’re looking for a senior frontend developer who thrives on building user-centric, accessible web applications in a security-sensitive environment. As a key contributor to their product team, you’ll take ownership of the frontend experience across both our Angular-based admin/user portals and our minimalist, JavaScript-light IDP built with Askama templates.

This role combines deep frontend engineering with an appreciation for design detail, performance, and compatibility in constrained client environments. You’ll work closely with their backend team, participate in architectural discussions, and help define best practices across a growing codebase.

About the Company

Lastwall is a cybersecurity company with offices in the United States and Canada, specializing in the development and delivery of highly secure, identity-centric, and quantum-resilient cybersecurity solutions. They aim to build innovative, security-first technologies designed for compliance-driven and threat-intensive environments such as those found in defense, government, and critical infrastructure sectors.

Their solutions are engineered with a security-first approach, leveraging cutting-edge advancements in identity and digital defense to outpace threat actors and protect sensitive systems from evolving cyber threats. By focusing on inhibiting the efficacy of adversaries and exponentially bolstering client security, they provide essential tools to safeguard operations in some of the most mission-critical industries.

If you’re a US Citizen that is passionate about working at the forefront of cybersecurity technology in environments that demand unparalleled security and reliability, they’d love to have you join their US-based team!

Responsibilities

• Develop and maintain complex Angular applications with a focus on security, performance, and scalability
• Build responsive, accessible UI components using Angular for primary applications, and minimalist HTML templates (via Askama) for our IDP operating in JavaScript limited environments.
• Collaborate with our backend team to integrate REST API endpoints
• Champion and implement front-end development best practices and coding standards
• Provide technical mentorship and support to peers, and help shape best practices across the frontend team
• Participate in code reviews and technical discussions
• Participate in technical planning sessions and architecture discussions
• Document technical specifications and development processes
• Collaborate with stakeholders to create and implement user-friendly interface designs
• Take ownership of application performance metrics, security measures, and technical debt management
• Ensure consistent UI/UX patterns and responsive design across the application
• Implement accessible, intuitive user experiences that meet enterprise security needs

Requirements

• 8+ years of professional frontend software development experience
• Strong proficiency in Angular 20 and TypeScript
• Experience with Material UI (MUI) component library
• Expert-level knowledge of HTML, CSS, and JavaScript
• Experience working with REST APIs
• Solid understanding of web security principles
• Version control systems (Git)
• Enthusiasm and experience in writing well-tested code

Nice to Haves

• Testing experience: Jest, Cypress, Cucumber
• Interest in or experience with Rust
• Knowledge of SAML, OAuth and OIDC protocols
• Experience with enterprise-level applications
• Understanding of CI/CD practices
• Familiarity with secure coding practices and awareness of the OWASP Top 10
• Experience working in performance or compatibility-constrained environments (e.g., embedded browsers, JavaScript-restricted clients)
• Familiarity with UI/UX principles and experience collaborating with designers to translate wireframes into polished, accessible interfaces