Senior Software Engineer
Job description
Ready to accelerate your career?
Clara is the fastest-growing company in Latin America. We've built the leading solution for companies to make and manage all their payments. We already help over 20,000 large and growing businesses operate with agility and financial clarity through locally issued corporate cards, bill pay, financing, and a powerful B2B platform built for scale.
Clara is backed by some of the most successful investors in the world, including top regional VCs like monashees, Kaszek, and Canary, and leading global funds like Notable Capital, Coatue, DST Global Partners, ICONIQ Growth, General Catalyst, Citi Ventures, SV Angel, Citius, Endeavor Catalyst, and Goldman Sachs - in addition to dozens of angel investors and local family offices.
We’re building the financial infrastructure that powers high-performing organizations across the region. We invite you to join us if you want to be part of a fast-paced environment that will accelerate your career and support you to do some of the best work of your life alongside a passionate and committed team distributed across the Americas.
What you'll do
We're looking for a Senior Software Engineer to lead the development of backend services that power Clara’s mobile apps. As a core member of the Mobile Engineering team, you'll work closely with iOS and Android engineers to ensure our APIs are mobile-optimized—designed for performance, resilience, and efficiency under real-world network conditions. Your work will directly shape the user experience for our mobile customers across Latin America.
Your responsibilities will include:
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Building and securing RESTful APIs with TLS encryption and OAuth2, JWT, or other modern authentication protocols
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Writing clean, efficient, and maintainable code using Java, Spring, Spring Boot, and Spring Batch
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Optimizing backend services to support mobile usage patterns—minimizing data consumption and maximizing responsiveness
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Collaborating with mobile teams and enabling seamless integration via tools like Swagger/OpenAPI
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Working with PostgreSQL, Redis, and scalable data models to ensure reliability and performance
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Operating within a modern cloud environment using AWS
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Participating in code reviews and contributing to backend architectural decisions
Who you are
We’re looking for someone who meets the minimum requirements to be considered for the role. The preferred qualifications are a bonus, not a requirement.
Must haves
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7+ years of experience in backend development using Java, particularly with Spring, Spring Boot, and Spring Batch
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Experience designing and implementing performant, resilient APIs optimized for mobile clients
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Proficiency in PostgreSQL, Redis, and backend data modeling
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Deep understanding of secure API development with TLS, OAuth2, and JWT
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Experience with Swagger/OpenAPI for API documentation and integration
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Strong grasp of backend design principles and system architecture for scalable, high-availability applications
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Experience working in AWS environments
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Working proficiency in English and Spanish
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Passion for solving complex technical problems and building systems that scale
Nice to haves
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Experience in fintech or financial platforms
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Familiarity with AWS services like ECS, API Gateway, SQS, RDS, CloudWatch
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Hands-on experience with Docker and Kubernetes
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Understanding of messaging systems such as Kafka or RabbitMQ
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Familiarity with CI/CD tooling and DevOps best practices
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Interest in using AI tools to improve system performance and automation
Why join Clara
At Clara, you’ll have the autonomy, speed, and support to make meaningful impact — not just on your team, but on how organizations are run across Latin America.
Who we are
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We’re the leading B2B fintech for spend management in Latin America.
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Certified as one of the world's fastest-growing companies, a Great Place to Work, and a LinkedIn Top Startup.
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Passionate about making Latin America more prosperous and competitive.
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Constantly innovating to build financial infrastructure that enables each of our customers to thrive.
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Product-led, high-talent-density culture — designed for builders who raise the bar.
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Proud of our open, inclusive, and values-driven environment.
What we believe in
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#Clarity. We say things clearly, directly, and proactively.
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#Simplicity. We reduce noise to focus on what really matters.
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#Ownership. We take responsibility and never wait to be told.
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#Pride. We build products and experiences we’re proud of.
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#Always Be Changing (ABC). We grow through feedback, risk-taking, and action.
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#Inclusivity. Every voice counts. Everyone contributes to our mission.
What we offer
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Competitive salary and stock options (ESOP) from day one
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Multicultural team with daily exposure to Portuguese, Spanish, and English (our corporate language)
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Annual learning budget and internal accelerated development paths
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High-ownership environment: we move fast, learn fast, and raise the bar — together
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Smart, ambitious teammates — low ego, high impact
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Flexible vacation and hybrid work model focused on results
If you’re ready for growth, ownership, and impact — apply now and help us redefine B2B finance in Latin America.
Clara’s Hybrid Policy
Claridians in a hybrid mode split their time between working from the office, talking to or visiting customers, or working from home. This hits a balance between bringing people together for in-person collaboration and learning from each other, while supporting flexibility about how to do this in a way that makes sense for each individual and team.
We don't enforce a minimum number of days for most roles, but you're expected to spend time at the office organically, and be at the office most days during your ramp-up or when required by your leader.
Required profile
Experience
Other Skills
- Analytical Skills
- Collaboration
- Problem Solving
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