Senior Software Engineer - Backend (Brazil)

Brazilsenior

EngineeringOtherBackend EngineeringSoftware EngineerSoftware Engineer InternBackend DeveloperSoftware Engineering

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Quick Summary

Overview

About CharterUP. CharterUP is transforming the $450+ billion group transportation and mobility market with an AI native platform that powers modern charter, shuttle,

Technical Tools

EngineeringOtherBackend EngineeringSoftware EngineerSoftware Engineer InternBackend DeveloperSoftware Engineering

What We Offer

~1 min read

✓Innovative Impact: Be part of the team that's revolutionizing group travel, setting new standards in an industry overdue for change.

✓Growth Opportunities: As a hyper growth company and one of the fastest-growing companies recognized by Inc., there’s no better time to join our dynamic, growth-stage organization.

✓Driven Team: Collaborate with some of the most driven minds in tech, all while working in a remote-first environment with a tech hub in Austin, TX.

✓Funding and Stability: Our $60 million Series A funding was just the start—we’re poised for even greater expansion, and you can be part of this exciting journey. CharterUp has achieved this growth profitability and efficiently, ensuring long-term stability.

About the Role

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CharterUP is seeking a Senior Software Engineer – Backend to design, build, and operate the APIs and backend systems that power our mobile experience for a two-sided marketplace. This role will work closely with our Brazil-based mobile team, as well as U.S.-based engineering, product, and design partners, to deliver reliable, scalable services that enable high-quality user experiences. You’ll focus on backend service development, API design, and system reliability, helping ensure our mobile applications are fast, resilient, and able to scale with our growing business.

Responsibilities

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→Design, build, and operate scalable backend services and APIs for mobile applications, using modern and AI-assisted development practices
→Partner with mobile engineers to define API contracts and deliver seamless, high-performance user experiences
→Own service reliability, scalability, and performance, including deployment, monitoring, and optimization in AWS
→Drive backend best practices across testing, observability, and operational efficiency, leveraging AI-driven tooling where appropriate
→Collaborate cross-functionally to deliver high-impact features and identify opportunities to improve systems and workflows through AI

4+ years of experience as a backend or full-stack engineer with a strong backend focus
Proficiency in JVM-based languages (Java, Kotlin, etc.) and experience building scalable RESTful APIs
Solid understanding of distributed systems, API design, and backend performance optimization
Experience with cloud infrastructure (preferably AWS) and modern deployment practices, with exposure to AI-assisted tools for development, monitoring, or automation
Strong ownership mindset and collaboration skills, with experience working closely with mobile or frontend teams in cross-functional environments
Familiarity with the Backend-for-Frontend (BFF) pattern, including designing and maintaining mobile-optimized APIs that aggregate and tailor data for specific client use cases, improving performance and reducing client complexity

Step 1 - Video call: Talent Acquisition interview
Step 2 - Video call: Hiring Manager interview
Step 3 - Video call: Team interviews
Step 4 - Offer & reference check
Welcome aboard!

What We Offer

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✓Estimated monthly rate: $6,000 – $7,000 USD

What We Offer

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✓Flexible Work Model: CharterUP operates as a remote-first company, with select roles requiring regular, in-office presence based on team and business needs. Role-specific expectations will be shared during the hiring process. U.S.-based employees may reside in any of our 19 approved states.

✓Comprehensive Health & Wellness: Medical, dental, and vision insurance, mental health support, virtual care, gym discounts, and family-building benefits. In the U.S., we cover 100% of premiums for employees. International benefits align with local standards.

✓Time Off to Recharge: Paid time off so you can truly unplug. U.S.: 15 PTO days (increasing to 20 after 2 years) + 8 paid holidays. International policies vary by country.

✓Financial Peace of Mind: Company-paid life, short-term, and long-term disability insurance where available.

✓Performance-Driven Culture: Join a fast-moving, ambitious, and collaborative team that wins together.

✓Referral Rewards: Earn bonuses for bringing top talent to the team.

✓Planning for the Future: Long-term financial planning support. U.S.: 401(k) plan. International: region-specific savings programs where applicable.

✓Top-Tier Tech: Choose a Mac or PC, plus monitor, keyboard, and mouse to hit the ground running.