Join 99x Brazil as a Senior Backend Engineer and work with a US-based, venture-funded startup building a data-heavy analytics platform for CHROs, trusted by companies like Uber, Figma, and DoorDash. You’ll be part of a senior, high-impact engineering team delivering solutions used across North America and Europe.
This is a strictly backend role focused on data pipelines, APIs, and production systems. You’ll build new features, debug complex issues, and work directly with production logs in a fast-moving environment. The team is AI-forward and values engineers who actively leverage modern AI coding tools to move faster and write better software.
Responsibilities- Design and implement scalable backend solutions using modern technologies.
- Optimize existing applications for maximum speed, scalability, and reliability.
- Collaborate with front-end developers and designers to integrate APIs and ensure seamless user experiences.
- Troubleshoot and resolve backend-related issues efficiently.
- Conduct code reviews and provide mentorship to junior developers.
- Stay updated with industry trends and best practices in backend development.
Requirements
- Bachelor's degree in Computer Science or a related field.
- 5+ years of experience in backend development
- Must-have: Strong TypeScript and NestJS.
- Data proficiency: Strong SQL skills and experience with Snowflake (understanding data models/querying).
- Debugging skills: Comfortable working with production logs to solve real customer issues.
- AI-Enabled: Experience with Claude Code or similar AI coding tools is considered super valuable by the client.
- Nice to have: AWS, Terraform, Kubernetes experience.
Benefits
- Your pick when it comes to employment models: CLT/PJ/Cooperativa;
- We provide resources for you to grow and learn on the job, including online courses, mentoring, and the latest gen laptops;
- A fully remote work environment with flexible working hours;
- Bonus for any referrals that we end up hiring.
Top Skills
What We Do
🏆 Ranked #1 Top Software Development Company in Brazil by Clutch, 99x Americas (formerly Nextly) is a team of +60 engineers, designers, and makers who work closely with founders, CTOs, VPs of Eng, and product & eng teams at Fortune 500s, Inc 5000s, and fast-growing startups across the United States to help create, launch, and improve digital products.
About us:
- We're 5 stars rated on Clutch and Glassdoor;
- 99% of our employees or ex-employees have said they recommend Nextly;
- The team has delivered literally 100% of the projects we took in the last 10 years;
- Our engineers are all located in GMT-3, meaning we can achieve a significant overlap with PST and EST working hours;
- In our latest opening, we only made offers to 2 candidates out of +1000 sourced devs. When clients interview our candidates, they can immediately tell the jump in quality.
- We specialize in React, Typescript, React Native, Vue, Node.js, Python, AI/ML, Data Science, Django, Golang, PHP/Laravel, Java, .NET, AWS, GCP, Azure, and more. Our team is quite big so we have a wide array of talent.
If you need to scale up your engineering team, give us a shot at showcasing our skills. Reach out to learn more about us, discuss your main challenges and goals, and book a technical interview, live coding exercise, or take-home assessment with the right talent for your project.
