Software Mind

[8IB] Senior Front End Engineer

Remote Frontend Engineering role with clear candidate location fit.

PostedJul 18, 2026

Eligible countries1 accepted country

Seniority signalSenior

Work settingRemote

Accepted candidate locations

Costa Rica

GraphQL LLM Next.js Node.js React TypeScript

Role overview

[8IB] Senior Front End Engineer

Requirements and responsibilities

Readable role content extracted into sections for faster review.

production support.

Design and implement customer-facing features using Angular, React and TypeScript that meet performance, accessibility (a11y), and SEO goals.
Collaborate with product and design to translate requirements into technical designs and estimates.
Write clean, testable code and maintain a component-driven design system.
Contribute to architecture and non-functional requirements (scalability, security, observability).
Improve site speed and Core Web Vitals by optimizing bundles, rendering strategy, and caching.
Implement and maintain automated tests (unit, integration, and E2E).
Participate in sprint planning, code reviews, and delivery processes from story inception through production rollout.
Support production services on a rotation basis and troubleshoot incidents to minimize downtime.
Mentor teammates and help raise the team’s engineering standards.

Must have:

3+ years of professional experience building production-ready applications using Angular.
5+ years professional front-end development experience (or equivalent demonstrable experience).
3+ years building production applications with React and TypeScript.
Strong experience with modern front-end tooling: bundlers (webpack/Vite/Gulp), state management, component libraries, and design systems.
Proven ability to deliver features used in production and own them through lifecycle.
Proven experience using agentic AI tools (such Claude or GitHub Copilot) to accelerate front-end development workflows, including code generation, component building, and performance optimization.
Ability to mentor team members on effective AI usage; establishing best practices, identifying high leverage opportunities, and fostering a culture of thoughtful, responsible AI adoption across the engineering team.
Experience embedding generative AI features directly into user-facing applications, such as intelligent
interfaces, dynamic content generation, and LLM-powered experiences.
Experience writing automated tests (Jest/React Testing Library, Cypress or similar).
Solid understanding of web performance optimization, SEO fundamentals, and accessibility best practices.
Familiarity with secure development practices and basic security testing concepts.
Experience working in agile teams and collaborating across disciplines.
Clear written and verbal communication skills.
Exposure to AI-assisted development workflows and prompt engineering best practices.

Working Style:

Ownership mindset: You identify problems, take initiative, and see things through
Pragmatic and adaptable: You choose the right tool for the job and aren't afraid to learn new technologies
Systematic problem-solver: You can debug complex systems and think through tradeoffs

Good to Have:

Experience with server-side rendering / hybrid frameworks (Next.js) and edge caching strategies.
Experience with GraphQL, Node.js backends, or CMS integrations.
Prior experience optimizing large-scale sites for SEO and traffic.

Interview Process

Test (assessment or case study completed prior to submission. Resume and results of assessment attached when submitting.
First interview (Aprox 45mins)
Second interview with a panel (1hour)

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