Overview
Flex lists this full-time remote Senior Software Engineer, Backend role under Brazil; the posting body separately names Canada, the United States and Colombia as candidate locations.
Full job description
The role focuses on backend engineering for financial products, including card processing and issuing, core ledgering of financial transactions, platform and service development, service and data-model architecture, scalability, security, observability, mentoring and on-call support. The current Flex posting lists annual compensation of $55,000–$100,000. Its Lever header labels the vacancy Remote / Brazil, while the role text separately says it is open to candidates from Canada, the United States and Colombia; applicants should confirm geographic eligibility on the live posting before applying.
Requirements & qualifications
Flex asks for proficiency in Node.js and TypeScript, understanding of highly available, scalable, low-latency asynchronous systems, experience evaluating architecture trade-offs, exposure to modular monoliths and microservices, experience with a cloud provider such as Google Cloud, AWS or Azure, and four or more years of relevant industry experience shipping products at scale. The source's location signals are internally inconsistent: the ATS header says Brazil, but the body names Canada, the United States and Colombia as candidate locations.
Tips for this job
Practical Job and Scholarship guidance. These tips do not replace official rules or create new eligibility requirements.
- Tailor the CV and application to the responsibilities and required skills stated on the official employer page.
- Use concrete evidence of relevant work, projects and measurable results rather than generic claims.
- Confirm location, work authorization, remote restrictions and sponsorship terms before applying.
- Apply through the original employer or official recruitment destination shown on this page.
Verification notes
Re-verified on Flex's live Lever posting on 2 September 2026. The ATS header says Remote / Brazil and Full-time; the body says candidates are open from Canada, the United States and Colombia. The $55,000–$100,000 annual compensation and technical requirements are directly stated. This revision preserves the structured Brazil listing while disclosing the source's conflicting eligibility geography instead of inventing a resolution.
Job and Scholarship is the discovery and verification layer. Confirm eligibility, dates, salary/funding and application instructions on the original source before submitting anything.
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