Software Engineer, Backend

Job Description

THE ROLE

As a Senior Backend Engineer at HIFI, you’ll own critical components of our payments infrastructure — from API design and data modeling to event-driven pipelines and financial-grade reliability. You’ll work across the full lifecycle of modern money movement: account creation, fiat and stablecoin settlement, global payouts, and onchain connectivity.

What You’ll Build

• API Development: Design, implement, and optimize APIs that connect businesses to HIFI’s financial infrastructure platform, with a focus on performance, reliability, and developer experience.
• Core Infrastructure: Build and scale backend systems that process transactions, ensure correctness, and provide strong guarantees around scalability, reliability, and fault tolerance.
• System Performance: Continuously improve throughput, efficiency, and resilience across distributed services.
• Collaboration: Work closely with product, compliance, and business teams to deliver end-to-end solutions.
• Ownership: Participate in technical roadmap planning and carry projects from design through production.
• User Focus: Engage with customers to understand their needs and translate them into effective solutions.
  

What We’re Looking For

• Bachelor’s degree in Computer Science, Engineering, Math, or related STEM field, or equivalent practical experience.
• 2+ years of professional software development experience.
• Proficiency in one or more programming languages (JavaScript/TypeScript with Node.js, Go, Python, etc.).
• Experience working with RESTful APIs.
• Experience with PostgreSQL or other relational databases.
• Familiarity with cloud platforms (AWS, Azure, or GCP) and containerization technologies (Docker, Kubernetes).
• Working knowledge of version control (Git), CI/CD pipelines, testing, and monitoring/observability tools.
• Strong communication and collaboration skills with both technical and non-technical teams.
  

NICE TO HAVE

• Knowledge of query optimization and database performance tuning.
• Familiarity with concurrency control, distributed systems, and database transactions.
• Experience working on distributed systems and optimizing them for scalability and performance.
• Familiarity with event-driven architectures and messaging patterns (e.g., pub/sub, queues, streaming).
• Exposure to job queues, caching services, and data pipelines.
• Understanding of security best practices and a commitment to correctness in financial systems.
• Experience building and launching a product from zero to one.
• Background or interest in financial systems, payments, or blockchain/crypto technologies is a plus.

Are you interested in this position?

Apply by clicking on the “Apply Now” button below!

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