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Software Engineer

Company:
Introlinx (recruiter)
Location:
San Francisco, CA
Posted:
June 28, 2025
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Description:

Now Hiring: Software Engineer – Backend (Fintech/Blockchain) Location: Remote (San Francisco) Type: Full-Time We’re looking for Backend Developers with strong experience in Java, Python, or C/C++, along with hands-on knowledge of TypeScript.

Experience with crypto or blockchain technologies is a major plus.

Our client, an innovative fintech startup, is building a cutting-edge payment platform designed to power the emerging machine economy, where AI and machines need to transact seamlessly and autonomously.

They are leveraging blockchain and stablecoin technologies to enable scalable, secure, and instant micropayments across global platforms.

We’re seeking a Senior Backend Software Engineer with strong experience in TypeScript, Node.js, and cloud-native infrastructure to help build this transformative platform.

What You’ll Do:Architect and develop backend services for payment processing and API integrations.Design and implement blockchain-based solutions for on-chain machine payments.Translate business and product requirements into scalable backend systems.Mentor junior engineers and contribute to a collaborative engineering culture.Stay ahead of trends in blockchain, AI, and distributed systems.

What We’re Looking For:Strong TypeScript and Node.js backend development experience.Familiarity with PostgreSQL, MySQL, or other RDBMS.Experience building scalable systems (10s to 1000s of RPS).Proficiency with CI/CD, Docker, Kubernetes, and cloud platforms (AWS/GCP/Azure).Solid understanding of system design, API development, and testing/debugging best practices.Strong communication skills and a self-starter attitude.

Bonus Points For:Experience with GraphQL, OAuth2, or SSO/RBAC.Background in Web3/blockchain, smart contracts, or dApps.Knowledge of NoSQL, Redis, or Key-Value Stores.Familiarity with security best practices for financial applications.

What You’ll Get:Competitive compensation and equity packageHealthcare coverage for you and your familyHigh-impact role with growth opportunities in a well-funded startupWork alongside a seasoned team from top tech and payments companies Interested?

Reach out directly to with your resume and LinkedIn profile.

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