Staff Software Engineer - Integrations Platform

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Position Overview

Lumos is revolutionizing app and access management for organizations by providing a unified platform that simplifies app discovery, request, and access. We are building the critical infrastructure to manage the relationships between applications, identities, and data, eliminating IT request backlogs and ensuring users have the tools they need, when they need them.

Why Lumos?

• Rapid Growth: Since launching, our team has grown from 20 to approximately 100 people, and our customer base has increased tenfold, including clients like GitHub, MongoDB, and Major League Baseball.
• Strong Investor Backing: We are backed by renowned investors such as Andreessen Horowitz (a16z), Scale, Neo, Greg Brockman (President at OpenAI), and Phil Venables (CISO at Google), having raised over $65 million.
• Impactful Culture: Join an early-stage company where you can significantly influence our trajectory. We foster a culture that values our people and our core philosophy. Learn more about our values here.

Role Description

We are seeking a Staff Software Engineer to spearhead the evolution of our Integrations Platform. This platform is the cornerstone of Lumos, enabling seamless connections with the essential tools and systems our customers depend on. Your work will be instrumental in facilitating the secure, scalable flow of data and permissions across diverse enterprise environments, connecting cloud identity providers, HR systems, on-prem applications, and ITSMs.

You will be a key player in designing and building robust connector frameworks, integration infrastructure, and developer-facing tools that prioritize reliability and an excellent developer experience. Collaboration with platform, product, and infrastructure teams will be crucial for scaling our platform's capabilities and defining how developers, both internal and external to Lumos, build upon it.

At Lumos, we value ownership, curiosity, and trust. We are looking for teammates who excel at solving complex systems problems with empathy and creativity.

Responsibilities

• Design and implement core components of the Integrations Platform, including APIs, event-driven systems, and connector orchestration layers to support a wide array of cloud and on-prem integrations.
• Build and extend our integration framework, establishing reusable patterns for authentication, job retries, error handling, observability, and developer onboarding.
• Collaborate across teams to deliver high-performance, secure, and maintainable integrations with external systems such as Okta, Workday, Azure AD, ServiceNow, and more.
• Contribute to an exceptional developer experience by creating SDKs, CLI tools, and documentation that accelerate integration development both internally and externally.
• Drive key technical decisions and lead by example through architecture reviews, mentoring, and pairing with other engineers on complex challenges.
• Champion resilience, observability, and scalability across all layers of the integrations stack.

Requirements

We are looking for engineers who approach their work as platform builders, valuing craft and clarity. If you are motivated by designing reusable systems and creating tools that empower others, you will find a fulfilling role at Lumos.

• Experience: 5+ years of experience as a backend or platform engineer, with a proven track record of building scalable services, APIs, or integrations.
• Integration Patterns: Experience with enterprise integration patterns, including webhooks, event queues, third-party APIs, and hybrid (cloud/on-prem) environments.
• Technical Proficiency:
  • Proficiency in at least one modern backend language (e.g., Python, Go, TypeScript).
  • Strong knowledge of API design, system performance, and software architecture.
• IAM Familiarity: Experience with identity and access management systems, such as SCIM, OAuth2, SAML, or integrating with Identity Providers (IDPs) and HR Information Systems (HRIS).