Senior Rust Backend Engineer

Are you looking to work for an innovative early-stage fintech and blockchain company, 100% remotely?

We are looking for a highly experienced Senior Rust Backend Engineer to design, build, and operate the core backend services of a fintech platform working at the intersection of credit, payments, and blockchain.

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 salary range is $4,500 to $6,000 USD per month, depending on experience and seniority.

Candidates based in Colombia and other Latin American countries may be considered.

The role is 100% remote.

ALL RESUMES MUST BE SUBMITTED IN ENGLISH

Responsibilities:

• Build and maintain backend services in Rust supporting lending and repayment flows.
• Integrate backend systems with Ethereum and other EVM-compatible blockchains.
• Work with on-chain events, transaction lifecycles, signing, confirmations, and smart contract integrations.
• Design reliable ledger-style and financial data systems with strong auditability and transactional correctness.
• Build and maintain secure APIs, authentication, permissions, and financial workflows.
• Own services end-to-end, including design, deployment, monitoring, and production operations.
• Collaborate closely with a small, high-ownership engineering team.

Requirements:

• Fluent English: you must be able to have a fluent, professional conversation in English.
• 3+ years of experience in Business Development, Partnerships, Strategic Alliances, Fintech, Lending, Payments, or related commercial roles.
• Strong knowledge of stablecoins, digital dollars, crypto-enabled payments, wallets, remittances, or blockchain-based financial products.
• Practical understanding of how stablecoins are used in real-world financial use cases, such as payments, savings, cross-border transactions, remittances, lending, or treasury operations.
• Existing network and relationships within the LatAm fintech ecosystem, 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 commercial partnerships, integrations, or strategic relationships with fintechs, lenders, banks, PSPs, wallets, or other financial institutions in Latin America.
• Strong understanding of the LatAm fintech and online lending landscape, including key players, business models, and market dynamics.
• Ability to identify, open, and develop new commercial opportunities through an existing professional network.
• Experience managing B2B sales cycles, partnerships, negotiations, and stakeholder relationships from initial outreach through closing or implementation.
• Comfortable discussing financial products and technical concepts with both business and product/technical stakeholders.
• Strong entrepreneurial mindset and experience working in startups or fast-moving, early-stage environments.
• 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 stablecoins, blockchain infrastructure, and crypto-fintech products as the market evolves.