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Senior Software Engineer (Frontend) - Core Experiences

Engineering · Full-time · Brazil

Sr. Engineers at Runa are masters of their craft. They bring years of experience, intuition and best-practices as it pertains to their area of expertise. Additionally, they can serve as “Technical Leads” within their squads, establishing technical standards, guiding their team members in excellence in technical execution and serving as the team’s leader in design and architecture.

As a Sr. Engineer you will lead teams that build, ship and run software serving hundreds of small businesses in Latin America. You will bring strong critical thinking, problem solving and servant leadership principles to your team helping to solve interesting and complex problems regarding technical solutions. As a Sr. Engineering focused on frontend web development, you will lead frontend developers and projects building out Runa’s next generation web application focused HR and Payroll capabilities.

You will be working with modern web technologies, primarily focused on building web applications written in Javascript and HTML5 for the Google Chrome web browsers. You will partner with Product Leads, and Delivery Leads in the planning and execution of Runa’s product roadmap, focused on delivering continuous value in the areas of HR and payroll software.


  • Bachelor’s degree in Computer Science or equivalent work experience (10 years)
  • 5+ years of experience working as a software engineer, 2+ years as a senior engineer.
  • 3+ years working with React.js
  • Extensive experience with Javascript (modern, ES8+)
  • Extensive experience with HTML5 and CSS3
  • Experience working with Redux, jQuery, DOM.
  • Solid understanding of asynchronous request handling.
  • Proficient in Git for version control
  • Experience with Agile process, primarily Scrum
  • Understanding of server-side CSS preprocessing platforms such as LESS or SASS or Emotion.
  • Experience building and delivering customer facing front-end web applications.
  • Solid understanding of CDNs, minimizing and compressing assets to improve load performance.
  • Experience working with UI/UX tools such as Figma, Adobe XD or Axure RP and translating them effective into HTML/CSS and Javascript.


  • Writing, testing, debugging and deploying code in sprint dev cycles.
  • Build out new customer-facing features for Runa’s HR and Payroll systems.
  • Slicing/Translating UX and application requirements into user stories.
  • Lead and guide other frontend developers on your squad.
  • Own and drive alignment with other leads on best-practices around web development, toolkits, libraries and coding standards.
  • Collaborating with the back-end developers and UX design leads.
  • Focus on building out Runa’s library of front-end reusable code and libraries for future use.
  • Optimize web development assets for efficient loading and use


This position is unplaced in the org chart

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