<strong>Are you looking to work for an innovative early-stage fintech and blockchain company, 100% remotely?</strong>
We are looking for a highly experienced <strong>Senior Rust Backend Engineer</strong> to design, build, and operate the core backend services of a fintech platform working at the intersection of <strong>credit, payments, and blockchain</strong>.
The ideal candidate is highly autonomous, technically strong, comfortable in a startup environment, and able to take full ownership of backend systems from design through production.
The <strong>salary range is $4,500 to $6,000 USD per month</strong>, depending on experience and seniority.
<strong>Candidates based in Colombia and other Latin American countries may be considered.</strong>
<strong>The role is 100% remote.</strong>
<strong>ALL RESUMES MUST BE SUBMITTED IN ENGLISH</strong>
<strong>Responsibilities:</strong>
- Build and maintain <strong>backend services in Rust</strong> supporting lending and repayment flows.
- Integrate backend systems with <strong>Ethereum and other EVM-compatible blockchains</strong>.
- Work with on-chain events, transaction lifecycles, signing, confirmations, and smart contract integrations.
- Design reliable <strong>ledger-style and financial data systems</strong> with strong auditability and transactional correctness.
- Build and maintain secure APIs, authentication, permissions, and financial workflows.
- Own services end-to-end, including <strong>design, deployment, monitoring, and production operations</strong>.
- Collaborate closely with a small, high-ownership engineering team.
<strong>Requirements:</strong>
- <strong>Fluent English:</strong> you must be able to have a fluent, professional conversation in English.
- <strong>3+ years of experience in Business Development, Partnerships, Strategic Alliances, Fintech, Lending, Payments, or related commercial roles.</strong>
- <strong>Strong knowledge of stablecoins, digital dollars, crypto-enabled payments, wallets, remittances, or blockchain-based financial products</strong>.
- Practical understanding of how <strong>stablecoins are used in real-world financial use cases</strong>, such as payments, savings, cross-border transactions, remittances, lending, or treasury operations.
- Existing <strong>network and relationships within the LatAm fintech ecosystem</strong>, especially with: Fintech companies, Online lenders / digital lending platforms, Banks and financial institutions, Payment providers / PSPs, Digital wallets, Credit marketplaces, Embedded finance companies
- Proven experience developing <strong>commercial partnerships, integrations, or strategic relationships</strong> with fintechs, lenders, banks, PSPs, wallets, or other financial institutions in Latin America.
- Strong understanding of the <strong>LatAm fintech and online lending landscape</strong>, including key players, business models, and market dynamics.
- Ability to identify, open, and develop new commercial opportunities through an existing professional network.
- Experience managing <strong>B2B sales cycles, partnerships, negotiations, and stakeholder relationships</strong> from initial outreach through closing or implementation.
- Comfortable discussing financial products and technical concepts with both <strong>business and product/technical stakeholders</strong>.
- Strong entrepreneurial mindset and experience working in <strong>startups or fast-moving, early-stage environments</strong>.
- Highly autonomous, proactive, and comfortable building a market or partnership strategy with limited structure.
- Strong written and verbal communication skills.
- Willingness and ability to quickly deepen knowledge of <strong>stablecoins, blockchain infrastructure, and crypto-fintech products</strong> as the market evolves.