Senior UI Engineer (360)

Want to get to the next step in your international career?

We can support you!

Ubiminds is a GPTW-certified, people-first company that partners with American software product companies to scale their development footprint. Ubi custom-curates Brazilian top 5% talent for their LATAM strategy, offering a unique combo of staff augmentation and employer-of-record services.

Ubiminds is assisting a company that is transforming the way organizations discover, engage, and hire the best talent. Connecting companies and candidates anytime, anywhere, end-to-end hiring platform features video interviewing, assessments, and conversational AI. As an industry leader in science-backed, modern hiring solutions powered by ethical AI, they have hosted more than 70 million video interviews and 200 million chat-based candidate engagements for over 1,200 pioneering customers around the globe.

Apply now! This is a unique opportunity for you to not only accelerate your international career but also work in a groundbreaking company.

Challenge

We are seeking a talented and experienced Senior UI Engineer to join our team. In this role, you will play a key part in shaping our software from design to delivery, ensuring high-quality user experiences. You will collaborate with Technical Architects and UX Designers to create reusable UI components, establish best practices, and enhance the overall frontend architecture. Your work will directly impact multiple teams, improving the consistency and efficiency of our UI development.

What you'll do

- Define and implement standard UI patterns and reusable components to improve consistency across engineering teams.

- Collaborate with UX Designers to refine requirements and balance feasibility with usability.

- Develop accessible and maintainable React components using best practices.

- Write clean, secure, and efficient code, ensuring maintainability and scalability.

- Create unit tests and contribute to automated testing strategies.

- Conduct code reviews, share feedback, and mentor peers to foster a culture of continuous improvement.

- Troubleshoot and resolve complex UI issues, ensuring a seamless user experience.

- Document patterns, solutions, and best practices through technical writing and discussions.

- Make informed technical decisions by weighing trade-offs between performance, maintainability, and business impact.

- Work closely with Product and UX teams to create engaging and high-value web experiences.

In order to succeed in this position, you will need:

Mandatory skills

- Advanced/fluent English skills – Excellent written and verbal communication skills

- B.S. in Computer Science, a related technical field, or equivalent work experience.

- Proven experience building SaaS products in a cloud-based environment, with hands-on experience using AWS and cloud best practices.

- Strong proficiency in React, TypeScript, with deep knowledge of modern web technologies.

- Solid understanding of RESTful APIs, MVC patterns, and secure web application development.

- Expertise in writing maintainable code, with experience in unit tests and automated testing strategies (Jest, @testing-library/react).

- Live interviewing tools heavily rely on WebRTC and integrate multiple media services, so strong knowledge of WebRTC and networking basics is essential.

- Knowledge of using Docker, CI/CD pipelines, and virtualization technologies for efficient deployment and automation.

- Understanding of security best practices and scalable, high-performance web applications.

- Ability to collaborate effectively as an active team member in a global, remote-first environment.

Nice to Have

- Familiarity with a back end based on .NET, and Node.js

- Familiarity with GraphQL to enhance client-side page performance rather than strictly following service-oriented design.

- Experience with Nginx for caching, and optimizing web application performance.

- Hands-on experience with CI/CD pipelines and advanced frontend testing frameworks to ensure robust and automated deployments.

- Ability to work interfacing backend services using APIs to support and enhance UI features, ensuring seamless user experiences.

Perks and Benefits

As a Senior UI Engineer @Ubiminds, you:

• Are placed in a product-based company, with the same treatment as their full-time employees.

• Have our full back-office support, from career guidance to HR and concierge services.

• Enjoy our remote-first policy – we are a distributed team, after all.

• Get your own Laptop (none of that "bring your own device" stuff here).

• Have access to growth opportunities with other amazing technology professionals, through tech talks, chapter meetings, and even remote happy hours for tons of fun!

• Improve your English through free lessons with a native English speaker - get to the next level on your communication skills!

• Candidate Referral bonus (promote Ubi to your tech friends, and get paid for it!)

• Miss working in the office? Our cool Florianópolis headquarters is available, whenever you want, with weekly quick massages & tasty snacks, soft drinks, and games

How our process works

• Interview with Tech Recruiter (specific chat about the job opening)

• Client process (including technical challenges and on-demand assessments)

• Offer