Skip to content
UpstartUpstartUnited States

Software Engineer, Upstart Bank

Software Engineer building scalable backend systems, services, and APIs for Upstart Bank, a modern AI-enabled national bank. Translate regulatory and business requirements into reliable software in a fintech environment; 4+ years backend/full-stack experience required.

14k – 187k
Remote4+ YOEBackend Engineering

About the role

How you’ll make an impact

  • Design and build scalable backend systems, services, and APIs supporting Upstart Bank initiatives
  • Deliver well-designed software across medium-sized engineering projects while collaborating with senior engineers
  • Translate business, operational, and regulatory requirements into reliable, maintainable software
  • Improve system reliability, observability, performance, and operational excellence across backend services
  • Contribute to technical design discussions and continuously improve engineering quality
  • Partner closely with Product, Compliance, Legal, Risk, Finance, Operations, and Engineering to deliver high-quality software
  • Uphold a high engineering bar through thoughtful implementation, testing, code review, and operational ownership
  • Thrive in ambiguous environments while continuously growing technical ownership and engineering judgment

Minimum Qualifications

  • Bachelor's degree in Computer Science, Engineering, Mathematics, or a related field (or equivalent practical experience)
  • 4+ years of backend or full-stack software engineering experience
  • Experience building and operating production software systems
  • Experience building scalable services, APIs, or web applications
  • Proficiency in at least one modern programming language such as Java, Kotlin, Python, Go, or similar
  • Strong engineering fundamentals around software design, testing, debugging, and operational ownership
  • Ability to operate effectively in ambiguous, cross-functional environments

Preferred Qualifications

  • Experience working in fintech, financial services, payments, or another regulated industry
  • Experience with distributed systems, cloud-native architectures, Kafka, gRPC, or similar backend technologies
  • Experience building reliable backend services, APIs, or platform software
  • Experience modernizing existing systems or building new backend platforms
  • Ability to collaborate effectively across Product, Compliance, Operations, and Engineering teams
  • Curiosity, adaptability, and a desire to continuously learn new technologies and business domains

Skills

JavaKotlinPythonGoKafkagRPCDistributed SystemsAPIsBackend Development

Similar roles

Backend Engineering jobs
AI Fund

Visiting Engineer: General Counsel

AI FundMountain View, CA

Builds an AI-native general counsel product for SMBs, focusing on contract ingestion, clause extraction, risk scoring, and review workflows using LLMs and NLP for high-precision legal operations.

30k – 30k
On-siteBackend Engineering
AI Fund

Visiting Engineer: Enterprise Agent Infrastructure

AI FundMountain View, CA

Builds AI agent infrastructure for enterprise internal systems, including secure connectors to databases/APIs, natural language task orchestration, authentication layers, and monitoring behind firewalls. Requires strong backend skills, LLM agent experience, and enterprise security knowledge for a 12-week onsite residency.

30k – 30k
On-siteBackend Engineering
Kapitus

Software Engineer II

KapitusUnited States

Develops AWS serverless microservices and event-based services to optimize operational workflows in an Agile team. Requires 4-8 years experience with Node.js, Python, AWS services including Lambda, DynamoDB, API Gateway, and APIs.

96k – 154k
Remote4+ YOEBackend Engineering
Applied Intuition

C++ Software Engineer - Autonomy/Physical AI

Applied IntuitionAnn Arbor, MI

Backend C++ engineer building high-performance autonomy infrastructure for defense products Axion and Acuity in Ann Arbor. Requires strong C++, systems fundamentals, Python, and U.S. citizenship with security clearance eligibility.

100k – 200k
On-site3+ YOEBackend Engineering
Astera

Software Engineer — Distributed Simulation Systems

AsteraEmeryville, CA

Builds core infrastructure for large-scale distributed simulation systems, including biological and 3D physics environments. Requires strong C++ systems programming, distributed computing, high-performance networking, and experience with MuJoCo or similar simulators.

100k – 400k
HybridBackend Engineering