Senior Platform Engineer, Banking

AngelList Venture; San Francisco (CA); Hybrid; USD 180,000 - 220,000; Full time

Benefits offered by this job

Competitive base salary

Benefits and equity package

Hybrid in-office model

Job summary

AngelList Venture is looking for a Senior Software Engineer to join our Banking team in San Francisco. You will design and maintain foundational banking services and APIs that are critical for multiple product teams across the organization.

The ideal candidate has over 6 years of experience in backend or full-stack applications, significant experience in financial systems, and a mindset oriented towards reliability and precision.

Qualifications

• 6+ years building backend or full‑stack web applications.
• Deep experience designing APIs intended for consumption by other teams.
• Background in financial systems or similar domains.

Responsibilities

• Design, build, and maintain foundational banking services and APIs.
• Own core platform primitives: accounts, transactions, ledger entries.
• Build reliable integrations with banking partners.

Skills

Building backend or full-stack web applications

Designing APIs and services

Experience in financial systems

Modeling complex business domains

Startup experience or founder mindset

Job description

About the Role

AngelList manages $171B+ in assets and facilitating investments across over 13k startups. At the core of that is our banking infrastructure: the systems that move money, manage accounts, and ensure every dollar is tracked with precision.

We’re looking for a Senior Software Engineer to join our Banking team. This team builds the foundational components and services that other engineering teams across AngelList depend on—account primitives, transaction pipelines, ledger systems, and banking integrations. You won’t just be building features; you’ll be building the platform that features are built on.

This is a high-leverage role. The systems you design will be consumed by teams across AngelList and serve as the core of a high-growth new product vertical. You’ll need to think in terms of contracts, reliability, and extensibility—balancing the rigor required of financial infrastructure with the pace of a company that ships fast with a lean team.

What You’ll Do

• Design, build, and maintain foundational banking services and APIs consumed by multiple product teams across AngelList
• Own core platform primitives: accounts, transactions, ledger entries, and money movement workflows
• Build reliable integrations with banking partners and payment networks (ACH, wires, and related rails)
• Define and enforce service contracts, data models, and interface boundaries that enable other teams to build with confidence
• Improve the reliability, observability, and performance of banking infrastructure at scale
• Partner with compliance and risk teams to ensure systems meet regulatory requirements
• Contribute to technical direction and architectural decisions that shape how AngelList handles money
• Mentor engineers across the organization who build on top of your team’s platform

What We’re Looking For

• 6+ years building backend or full‑stack web applications, with meaningful time spent on platform, infrastructure, or foundational systems
• Deep experience designing APIs, services, and abstractions intended for consumption by other engineering teams — you understand what makes a good platform boundary
• Background in financial systems, payments, ledgers, banking integrations, or similar — you’ve worked in domains where correctness and auditability are non‑negotiable
• Track record of building systems where "close enough" isn’t good enough; audit‑ready outputs, not best‑effort calculations
• Ability to model complex business domains in relational databases with precision, especially in the face of ambiguity and evolving requirements
• Experience owning foundational components that other teams depend on — you think about contracts, versioning, reliability, and developer experience
• Startup experience or founder mindset — you’ve built something from scratch, or you carry that entrepreneurial energy into how you work

Nice to Have

• Experience with double‑entry accounting systems or general ledger design
• Background in highly regulated industries or fintech infrastructure
• Familiarity with event‑driven architectures and distributed systems patterns
• Experience building developer‑facing tooling, SDKs, or internal platforms

Working Here

AngelList has offices in a few cities, with our engineering hub in San Francisco.

We’re building our engineering and product teams around this hub to make the most of in‑person collaboration. We have a hybrid in‑office model: teammates come in at least 2 days per week (Tuesdays and either Wednesday or Thursday).

Compensation

The compensation for this role consists of a competitive base salary, benefits, and equity package. The base salary for this role is $200,000+ annually but actual will vary based on a number of factors including a candidate’s professional background, experience, and location. Additional details about our Total Rewards package will be provided during the recruitment process.

Benefits

We support your life both in and outside of work.

Equal Opportunity Employer

AngelList is an equal opportunity employer and we value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.