Backend Engineer
Fullstack Software Engineer (Java - React) - [Ingeniero de Software Fullstack ] - Hybrid
Sao Paulocontract
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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.
We're looking for a Forward-deployed Engineer to sit at the intersection of Product Engineering and our Go-To-Market teams, embedded directly with partners and customers to ship integrations fast, acting as the primary technical owner for every integration in your portfolio.
You'll own the full integration lifecycle from qualification to handoff, working hands-on with technical and non-technical stakeholders on both sides.
You'll write real code, shape the integration framework, and feed patterns back into the platform.
In this role, you will:
- Own the full integration lifecycle for partners and customers who need hands-on delivery support, qualification, scoping, build, and handoff
- Run Phase 0 qualification assessments — mapping systems, data flows, risk surface, and build approach before committing to timelines
- Build and configure integration connectors, data mappings, and partner adapters using Clara's integration framework and shared libraries
- Coordinate directly with partner technical teams throughout the build, acting as the primary technical point of contact
- Partner with Platform/API squads to leverage core primitives (webhooks, auth patterns, event contracts) and flag reuse opportunities
- Ensure every integration meets Clara's standards: idempotency, observability, secrets management, data minimization, and sandbox testing
- Drive clean handoffs — delivering runbooks, dashboards, on-call assignments, and support playbooks before marking an integration as done
- Feed learnings back into the platform: identify patterns that should become shared libraries or configuration
Who you are
We're looking for someone who meets the minimum requirements to be considered for the role.
Must haves:
- Experience working directly with external partners or customers in a technical capacity, you're comfortable owning the relationship, not just the code
- Working directly with end customers
- Designing the solution from scratch to meet customer needs
- Great communication skills
- 4+ years of backend software development experience, with hands-on exposure to API integrations, webhooks, and data mapping
- Deep fluency in integration patterns: REST, event-driven architectures, OAuth/token management, idempotency
- Ability to move fast in ambiguous environments: qualify a new integration request, scope it, and start building within days
- Strong proficiency in one or more backend languages (preferably Java) and comfort working across multiple systems and tech stacks
- Working knowledge of observability fundamentals: logs, metrics, tracing, alerting, and SLOs
- You use AI tools as a force multiplier, from scaffolding connectors to automating repetitive mapping work
- Working proficiency in English and Spanish, or English and Portuguese
- Excellent communication skills with both technical and non-technical audiences
- Exposure to integration platforms or connector frameworks (e.g. N8N, Zapier, or custom-built equivalents)
Nice to haves:
- Experience in fintech, payments, or financial data infrastructure
- Familiarity with PCI/PII data handling and compliance requirements
- Experience with AWS, Kafka, or event streaming platforms
- Proficiency in all three languages (Portuguese, Spanish, and English) is a strong plus
- A good sense of humor
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
- We're the leading B2B fintech for spend management in Latin America.
- Certified as one of the world's fastest-growing companies, a Great Place to Work, and a LinkedIn Top Startup.
- Passionate about making Latin America more prosperous and competitive.
- Constantly innovating to build financial infrastructure that enables each of our customers to thrive.
- Product-led, high-talent-density culture — designed for builders who raise the bar.
- Proud of our open, inclusive, and values-driven environment.
What we believe in
- #Clarity. We say things clearly, directly, and proactively.
- #Simplicity. We reduce noise to focus on what really matters.
- #Ownership. We take responsibility and never wait to be told.
- #Pride. We build products and experiences we're proud of.
- #Always Be Changing (ABC). We grow through feedback, risk-taking, and action.
- #Inclusivity. Every voice counts. Everyone contributes to our mission.
What we offer
- Competitive salary and stock options (ESOP) from day one
- Multicultural team with daily exposure to Portuguese, Spanish, and English (our corporate language)
- Annual learning budget and internal accelerated development paths
- High-ownership environment: we move fast, learn fast, and raise the bar — together
- Smart, ambitious teammates — low ego, high impact
- 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.
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