Senior Software Engineer – Intelligence

🕒 November 13, 2025

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AngelList

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2010

💸 Finance

💳 Fintech

☁️ SaaS

💰 $44M Series B on 2022-04

Finance • Fintech • SaaS

AngelList is a platform that caters to the needs of startups, venture capitalists, and private equity investors. It provides a comprehensive suite of software solutions for venture fund management, including rolling funds, syndicates, and full-service fund management options. AngelList aims to streamline operations by offering tools for equity management, investor relations, and financial services. Additionally, it facilitates capital management, seamless onboarding, and cap table management for high-growth companies. Through its partnerships with industry leaders, AngelList delivers high-quality services and insights into the venture capital market, driving innovation and bridging market gaps.

📋 Description

• Design, build, and operate services that power retrieval, semantic search, agent orchestration, model integrations, and data pipelines that turn our proprietary signals into product features. • Work with one of the deepest private-market datasets in the world and build systems that surface high-value signals for investors. • Design and operate OpenSearch-backed retrieval and semantic search systems and tune them for real product use. • Build and run agent orchestration, model integrations, and safety layers for LLM-driven workflows. • Prototype new AI-driven features and productionize them in a Go-first codebase. • Own large features end-to-end and improve our testing, observability, and operational practices.

🎯 Requirements

• A full-stack generalist or backend specialist who can work across the stack, with at least 4+ years of experience building large-scale web applications or backend services. • Comfortable writing clean, production-quality Go (Golang) code, including services, libraries, and tests. Our repo is Go-first and includes modern Go AI and search libraries. • Experienced in production search systems such as OpenSearch, Elasticsearch, or comparable platforms, with a track record of designing mappings and tuning queries for real traffic. • Excited about LLMs, agents, embeddings, and retrieval, and able to turn prototypes into reliable, instrumented services. Experience with working with LLM APIs, tokenizers, or cloud GenAI SDKs is a plus. • Comfortable with and curious about working outside of a traditional, narrow engineering role. • A self-starter: you have started something meaningful on your own – a startup, an open-source project, or something else to share with us!

🏖️ Benefits

• See additional detail on our benefits here: https://angell.ist/venture-benefits • Learn about our Funders & Founders Program here: https://join.angellist.com/ • Health insurance • Retirement plans