Summary
✨ AI‑Generated
A senior backend engineering role at an early-stage financial technology company. You will design, build, and operate critical services using modern backend technologies while integrating with blockchain networks and handling complex transaction workflows.
Highlights
Fully remote role with ownership of core backend systems, exposure to blockchain technologies, and opportunity to build impactful financial infrastructure.
Description
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 in English, YOU MUST BE ABLE TO HAVE A FLUENT PROFESSIONAL CONVERSATION IN ENGLISH5+ years of professional software engineering experience.2–3+ years of production experience with Rust.Strong experience with async Rust, concurrency, and failure handling.Hands-on experience integrating backend systems with Ethereum or other EVM blockchains.Strong experience with PostgreSQL, including schema design, migrations, and transactions.Experience building financial, payments, lending, ledger, or other high-precision systems.Strong understanding of idempotency, auditability, testing, and production reliability.Experience working in startups or early-stage environments.Highly autonomous and hands-on, with strong ownership of production systems.Strong written and verbal communication skills.Practical use of AI tools as part of engineering or productivity workflows.Strong AI-aware / AI-first mindset and willingness to use AI to improve development speed and quality.Comfortable working remotely in a fast-moving environment with evolving requirements.
