Principal Engineer

KE Principal Engineer
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Kevel is an ad-tech company providing APIs for businesses to build custom ad platforms and in-house retail media solutions.
Kevel
Employee count: 51-200

Salary: R$350K – R$395K per year
Brazil only

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Kevel is transforming the retail media space with its cutting-edge, AI-driven ad tech infrastructure APIs that power the Retail Media Cloud™. This groundbreaking solution combines the power of AI insights with API-based technology, allowing multi-brand retailers to build dynamic, customizable ad platforms while maintaining full control of their first-party data. With Kevel , retailers can deliver personalized shopper experiences, optimize ad targeting, and unlock predictive insights to stay ahead in an ever-evolving market.

JOB OVERVIEW: The Delivery team is responsible for enhancements and maintenance of the core of Kevel ’s main revenue stream - ad serving. These high-throughput systems operate globally with strict latency and availability requirements. This engineer will work with the team on modernizing the systems, improving reliability and robustness, while developing new features to gain new customers.

LOCATION: REMOTE - BRAZIL This position is 100% remote. Applicants located anywhere within Brazil are encouraged to apply. Applicants must be legally eligible to work within Brazil.

PAY TRANSPARENCY: Kevel uses external, third-party market data to determine compensation for all open positions. Our compensation philosophy is based on the candidate’s specific working location and experience level . This means that we will take a no negotiation approach in our recruitment and offer processes. We believe this is an important step in living our value of embracing diversity while underlining our commitment to fair, equitable and inclusive pay practices.

The pay range for this position is between R$350,000 - R$395,000. An exact offer for this position will be determined based on the candidate's working location and experience level, in relation to our existing team.

All compensation packages include the additional benefits as described in the 'Why you'll love working with us' section below. We also have a transparent ‘Total Rewards Philosophy’ we’d be happy to share with you which describes our overall approach to compensation and benefits in full detail! Our recruitment team can share more about this with you in an initial phone interview and will be happy to answer any questions you have related to compensation at Kevel !

WHAT YOU'LL ACCOMPLISH:
- Evolve the ad decision pipeline, including balancing and pacing, indexing, filtering, selection, and budgeting.
- Improve the platform's architectural qualities, helping ensure our foundation provides the scalability, reliability, security, and performance our global customers require.
- Work closely with the product management team to help design and build new features.
- Help provide operational oversight for the platform, making sure we are up and running 24/7.
- Work closely with our customer success teams to deliver value and drive growth.

SKILLS YOU'LL BRING WITH YOU:

Required :
- Experience building and operating distributed systems in a cloud environment.
- Strong programming experience in at least one production backend language, ideally Clojure, Rust, Node.js, Java, Kotlin, Scala, or another JVM language.
- Experience designing or maintaining latency-sensitive systems with tight response-time requirements.
- Experience with HTTP-based APIs and production service integrations.
- Experience working with databases, including transactional data models.
- Comfortable participating in an on-call rotation with clear escalation paths.

Preferred :
- Strong AWS and/or GCP experience across compute, storage, messaging, networking, and IAM.
- Experience with infrastructure as code, such as AWS CDK, CDKTF, Terraform, or similar tools.
- Experience with event streaming or stream processing systems.
- Experience with observability platforms, including metrics, logs, alerts, tracing, and infrastructure monitoring.
- Experience improving testability and reducing feedback cycle times through unit, integration, simulation, or load testing.
- Experience refactoring existing distributed systems without changing external behavior.
- Experience working on high-throughput systems with sub-100ms response budgets.

Nice To Have :
- Experience with ad serving, auctions, pacing, budgeting, targeting, or real-time decisioning systems.
- Experience with functional programming or Clojure specifically.
- Experience modernizing legacy systems while keeping production systems highly available.
- Experience supporting globally distributed, multi-region services.
- Experience working closely with product and customer-facing teams on technical product features.

*For a glimpse into some of the technical problems this team works on, you can watch Tim Ewald’s Clojure/conj presentation !

WHY YOU'LL LOVE WORKING WITH US:
- Fully Remote Team: We are a 100% remote work environment with employees located around the world. You are welcome to work from home, one of our offices, a WeWork office, or an equivalent co-working space.
- Flexible Working Hours: We understand our employees have their own lives, responsibilities and working preferences. We trust our employees to communicate with their managers, and work when they work best.
- Comprehensive Health Benefits - Kevel provides 100% employer paid medical benefits for our employees and their children, plus comprehensive, affordable coverage for all other dependents.
- Savings opportunity for the Future: Kevel offers retirement savings plans with employer contributions so employees can save toward future financial objectives.
- Rest and Relaxation: Unlimited personal time off - and we mean it!

We trust our employees to take the time they need, whenever they need it. We also offer Paid Holidays + a Kevel Holiday Break (from 12/24 - 1/1 every year!)
- Kevel fest: Our annual corporate retreat! The entire Kevel team gets together once a year for a four - day in - person event filled with collaboration, team building, celebration and fun!
- Home Office Stipend: You’ll receive a new windows or mac machine (your choice) + a $500 home office allowance to purchase what you need to set up your work space properly!
- Parental Leave Support: We support all parents with salary continuation and benefits when our employees are growing their families.
- Free press benefits : Kevel believes all employees should have access to legitimate news sources. You’ll receive a $300 annual allowance to subscribe to the news source of your choice.
- You’ll work with an award winning team!

We’ve won numerous Best Places to Work Awards for several years and counting! We’ve also won many awards for our Innovation, Business Intelligence, and our best-in-class products (Software of the Year, Cloud Company of the Year, Best Ad Tech and API Innovator).
- Full transparency. We embrace transparency and encourage you to read more about what we value through our Company Constitution and Employee Bill of Rights , our About Kevel page, and Careers Page .

Hiring Guidelines by Country: Kevel hires new team members in countries around the world. Some roles may carry specific location-based eligibility requirements. Our Recruitment Team will share the specific benefits that are available in your location, and can help answer any questions about location specific eligibility requirements and benefits after the recruitment process begins.
ABOUT KEVEL

Kevel (previously Adzerk) offers the infrastructure APIs needed to quickly build custom ad platforms for sponsored listings, internal promotions, native ads, and more. We are committed to helping publishers drive new revenue and take back the Internet from ad tech giants like Google, Amazon, and Facebook. Kevel was founded in 2010 in Durham, North Carolina. We embrace remote working culture with our entire team being spread across the United States, United Kingdom, Portugal and Singapore! Kevel is proud to be an inclusive workplace with one goal in common — we want to make the internet a better place.

ALL APPLICANTS ARE WELCOME, EXACTLY AS YOU ARE

We’re building a global community - one that’s safe for people of all backgrounds and walks of life. Our policies and way of working are guided by our core values of inclusivity, trust, empathy, and respect. We know we have more work to do, but firmly believe that our work is at its best when everyone feels free to be their most authentic selves. Kevel is an equal opportunity employer, and we’re proud of our ongoing efforts and commitment to creating a diverse, inclusive, and transparent workplace where everyone feels respected, heard, safe and accepted. At Kevel , we embrace our differences and consider diversity a superpower that drives the success of our organization.

Individuals seeking employment at Kevel are considered without regard to race, color, religion, national origin, age, sex, gender, gender identity, gender expression, sexual orientation, marital status, medical condition, ancestry, disability, military or veteran status, or any other characteristic protected by applicable law.

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About the job
Apply before
Nov 15, 2026
Posted on
Sep 16, 2026
Job type
Full Time
Experience level
Senior

Salary

Salary: R$350K – R$395K per year

Location requirements
Suggest an edit

Brazil

Hiring timezones
Show UTC offsets

Brazil +/- 0 hours

Job categories
Principal Engineer Backend Engineering Distributed Systems Engineer AdTech Engineering Cloud Infrastructure Engineer Principal Engineering Senior Principal Engineer Principal Design Engineer Technical Principal Engineer Principal Electrical Engineer Principal Technology Engineer Principal Software Engineer Principal Electrical Engineering

Skills
Clojure Rust Node Java Kotlin Scala JVM AWS GCP AWS CDK CDKTF Terraform Infrastructure as Code HTTP Based APIs Distributed Systems Cloud Computing Event Streaming Stream Processing Observability Unit Testing Integration Testing Load Testing API Development Databases Transactional Data Models 100ms Remote Team Windows NodeJS

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About Kevel

Learn more about Kevel and their company culture.

View company profile

Kevel offers the infrastructure APIs needed to quickly build custom ad platforms for sponsored listings, internal promotions, native ads, and more. Our customers face challenges of relying on third-party ad tech giants for revenue, which is why we empower retailers and marketplaces to bring their advertising technology in-house. This allows them to control their data, differentiate their ad programs based on unique brand characteristics, and maximize their share of media dollars. Since its founding in 2010, Kevel has dedicated itself to making the internet a better place through innovative advertising solutions.

With our Retail Media Cloud™, clients such as The Home Depot, iFood, and Edmunds have launched successful retail media networks that drive substantial revenue growth. The Retail Media Cloud™ stands out as the ultimate API-based solution designed especially for retail environments, aiming to simplify the ad serving process with efficient implementations. Our award-winning products have helped our partners to build revenue streams, enhance shopper experiences, and capitalize on their own first-party data. As advertising spend continues to grow, we strive to stay ahead of industry trends and provide our customers with the tools they need to succeed in an increasingly competitive landscape.

Apply now
Job expired?

Please let Kevel know you found this job on Himalayas. This helps us grow!
Apply now

About the job
Apply before
Nov 15, 2026
Posted on
Sep 16, 2026
Job type
Full Time
Experience level
Senior

Salary

Salary: R$350K – R$395K per year

Location requirements
Suggest an edit

Brazil

Hiring timezones
Show UTC offsets

Brazil +/- 0 hours

Job categories
Principal Engineer Backend Engineering Distributed Systems Engineer AdTech Engineering Cloud Infrastructure Engineer Principal Engineering Senior Principal Engineer Principal Design Engineer Technical Principal Engineer Principal Electrical Engineer Principal Technology Engineer Principal Software Engineer Principal Electrical Engineering

Skills
Clojure Rust Node Java Kotlin Scala JVM AWS GCP AWS CDK CDKTF Terraform Infrastructure as Code HTTP Based APIs Distributed Systems Cloud Computing Event Streaming Stream Processing Observability Unit Testing Integration Testing Load Testing API Development Databases Transactional Data Models 100ms Remote Team Windows NodeJS

Browse similar jobs
Remote Senior Principal-Engineer Jobs Remote Full Time Principal-Engineer Jobs Remote Senior Principal-Engineer Jobs in Brazil Remote Full Time Jobs in Brazil Remote Principal-Engineer Jobs in Brazil

Claim this profile KE Kevel

Company size

51-200 employees

Founded in

2010

Chief executive officer

James Avery

Markets
Retail Media APIs SaaS Digital Advertising Retail Technology Data Monetization Native Advertising Marketplace Solutions AdTech Ecommerce

Employees live in
United States

View company profile

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