Senior Software Engineer, Identity Management and Authentication

Terminal
Terminal

Software Engineering

Posted on Sep 12, 2026

About Addepar

Addepar is a global data and AI platform empowering investment professionals to turn complex financial information into actionable intelligence. Addepar unifies portfolio, market and client data in a total portfolio view and delivers AI-powered insights within investment and client workflows. More than 1,400 firms in nearly 60 countries use Addepar to manage and advise on nearly $9 trillion in assets. Its open platform integrates with nearly 650 software, data and consulting partners to power end-to-end investment operations across firms of all sizes and complexity. Addepar supports clients worldwide with offices in New York City, Salt Lake City, London, Edinburgh, Pune, Dubai, Geneva and São Paulo.


About The Role

The Role We are seeking a Senior Software Engineer (Warsaw, Poland) with expertise in Java and frontend technologies to join our Identity and Authentication team. In this full-stack role, you will build and maintain the systems and interfaces that authenticate users and enable self-service product configuration. You will leverage Addepar’s enterprise identity platform to create responsive, frictionless user journeys. These range from the “front door” of our products (such as login and MFA) to the administrative tools our customers use to configure experiences for their internal teams and end-clients. Collaborating closely with product, design, and engineering partners, you will ensure our identity and authentication capabilities meet our clients' complex regional, compliance, and privacy needs. Ultimately, you will build the next generation of features that prepare Addepar for the demands of modern, AI-driven users.


What You’ll Do

● Author, in Java APIs and web UIs, user and customer configuration tools which expose the capabilities of Addepar’s identity platform. ● Migrate Addepar’s authentication experiences to new platforms which support global availability, a smoother user experience, and experience customization. ● Bridge architectural, strategic identity investments with product-driven improvements to user experience. ● Provide expertise on authentication basics such as OAuth 2.0, Open ID Connect (OIDC, and SAML during the product design process.


What You’ll Bring

● 5+ years of professional software engineering experience ● Bachelor's or Master's degree in Computer Science, Statistics, Mathematics, or other quantitative field, or equivalent practical experience ● Strong proficiency in Java, and/or a similar object oriented language with demonstrated ability to write high-quality, maintainable code ● Proficiency in building user experience on the web using TypeScript, PostCSS, Svelte, Ember, React, or equivalent experience ● Deep understanding of identity fundamentals, secure session management, and modern authentication/authorization protocols (OAuth 2.0, OpenID Connect, JWTs, SAML) ● Experience with SQL and database systems (both relational databases like MySQL/PostgreSQL and NoSQL systems like DynamoDB) ● Problem-solving skills with the ability to explore complex problem spaces objectively from multiple perspectives ● Excellent written and verbal communication skills, with experience collaborating across engineering and non-engineering teams ● Self-driven and comfortable working in a fast-paced environment where priorities can shift



*This job posting exists to fill a vacancy.