Jobs in Porto Alegre, Brazil

Who We Are

Cint is a pioneer in research technology (ResTech). Our customers use the Cint platform to post questions and get answers from real people to build business strategies, confidently publish research, accurately measure the impact of digital advertising, and more. The Cint platform is built on a programmatic marketplace, which is the world’s largest, with nearly 300 million respondents in over 150 countries who consent to sharing their opinions, motivations, and behaviours.

We are feeding the world’s curiosity!

Job Description

The Opportunity

Cint is looking to raise the bar on engineering standards as well as user experiences. We offer a smaller company atmosphere, where engineers can shape technical strategy, lead cross-team initiatives, and set the direction for how we build and deliver products at scale. Our products are redefining experiences within the industry—join us to help define the future of our platform while multiplying the impact of the teams around you.

We’re seeking a Staff Frontend Engineer to join our UI Engineering team. This team is focused on providing frontend solutions to multiple projects and tooling to the whole company. We are deeply committed to advancing our frontend architecture (Next.js), ensuring alignment with our Design Systems, and collaborating with backend teams to deliver consistent, reliable, and user-friendly experiences across the platform.

What You Will Do

As a Staff Frontend Engineer, you will join our globally distributed team to shape and elevate Cint’s Measurement, Survey Platform, and Design System experiences. Your mission is to craft high-quality, scalable user interfaces that power our core research products delivering intuitive experiences for our customers while also enabling internal teams to move faster with confidence.

You will be a product-oriented and platform UI engineer, taking full ownership of the end-to-user experience. This includes partnering closely with UX designers, product managers, and fellow engineers to understand customer and stakeholder needs for both external user-facing products and internal products like our survey platform and design systems.

Responsabilities :

Partner closely with Product Managers and UX designers to deliver polished, user-centric experiences and support product rollouts.

Create scalable and maintainable frontend components, while enhancing and extending our shared Design System.

Monitor and optimize application performance, resolving bottlenecks proactively.

Lead cross-team technical initiatives, set architectural direction, and ensure alignment on frontend strategy across the organization.

Proactively shape engineering practices, propose improvements, and influence standards adopted by multiple teams.

Advocate for and document best practices in frontend development.

Own and architect systems or product areas end-to-end, designing solutions that scale across multiple teams and business domains.

Build strong cross-functional relationships to ensure smooth collaboration and alignment.

Write clean, modular, and maintainable code that stands the test of time.

Continuously improve and refactor existing codebases for reliability and efficiency.

Take responsibility for production systems through on-call rotations, ensuring stability and fast incident resolution.

Mentor and sponsor engineers at all levels, building future technical leaders and spreading best practices throughout the company.

Anticipate organizational and architectural challenges, define long-term strategies, and drive adoption of solutions that improve scalability, reliability, and developer experience across Cint.

Qualifications

What We Are Looking For

7+ years of software engineering experience, including significant time driving cross-team technical initiatives and architectural decisions.

Highly proficient in Next.js 14+ (App Router), including expertise in data caching strategies and performance optimization.

Demonstrates proficiency in various UI rendering architectures (SSR, CSR, SSG, ISR) and the ability to determine their appropriate application.

A proven expertise in designing and implementing robust UI solutions using TypeScript, with a strong focus on applying comprehensive typing throughout the stack to deliver maintainable and highly reliable user experiences.

Proficiency in breaking down product documents and abstracts into well-defined feature epics and user stories, driving features from concept to reality promptly.

Experience with CSS and Tailwind, and in working with Figma and internal design systems.

Track record of building reliable, performant systems and establishing testing and quality practices adopted across teams.

Demonstrates strong communication skills, capable of articulating complex technical concepts to both technical and non-technical stakeholders.

Proven ability to define and drive technical standards across multiple teams or product lines, aligning stakeholders and ensuring adoption.

Experience balancing trade-offs between technical debt, speed, and long-term scalability in a way that advances organizational goals.

Additional Information

Our Values

Collaboration is our superpower

• We uncover rich perspectives across the world
• Success happens together
• We deliver across borders.

Innovation is in our blood

We do what we say

We are caring

More About Cint

We’re proud to be recognised in Newsweek’s 2025 Global Top 100 Most Loved Workplaces, reflecting our commitment to a culture of trust, respect, and employee growth.

In June 2021, Cint acquired Berlin-based GapFish – the world’s largest ISO certified online panel community in the DACH region – and in January 2022, completed the acquisition of US-based Lucid – a programmatic research technology platform that provides access to first-party survey data in over 110 countries.

Cint Group AB (publ), listed on Nasdaq Stockholm, this growth has made Cint a strong global platform with teams across its many global offices, including Stockholm, London, New York, New Orleans, Singapore, Tokyo and Sydney. (www.cint.com)

Additionally, in a world of AI, we want our candidates to understand our approach to the use of AI during the interview and hiring process, so we'd appreciate you reading our AI usage guide.