Senior Software Engineer - Authentication and Verification

Bloomberg

Bloomberg

Software Engineering
New York, NY, USA
Posted on Jul 17, 2025

About Us

Every day, Bloomberg’s clients rely on secure and seamless access to our products. Our team makes that possible by building infrastructure that verifies identities for both clients and employees. We design systems that are fast, resilient, and highly available, capable of handling large volumes of authentication traffic around the clock.

What We Own

We are responsible for:

  • Single Sign-On (SSO) infrastructure

  • Multi-factor authentication (MFA) enrollment and verification

  • MFA policy management systems

  • Identity translation infrastructure

Why join our team?

We are embarking on an initiative to modernize and unify Bloomberg’s authentication landscape. Your work will directly affect the experience of Bloomberg’s employees and clients worldwide.

You can expect to:

  • Design curated tools that help internal developers build secure-by-default applications

  • Develop an attribute-based policy system for centralized and dynamic risk-based authentication

  • Unify authentication workflows across products and technology stacks

We are committed to fostering a culture of collaboration and continuous learning. You will have access to security architects, peer knowledge-sharing sessions, internal meetups, and industry conferences to grow your skills and expand your network.

You will thrive in this role if you:

  • Are passionate about making systems more secure and user-friendly

  • Care deeply about software quality, reliability, and scalability

  • Enjoy finding creative solutions to complex technical challenges

  • Value staying informed about industry trends in authentication and authorization

  • Prioritize data-driven decision making

You will need to have:

  • 4+ years working with an object-oriented programming language (C/C++, Python, Java, Go, etc.)

  • Experience working with authentication and authorization workflows and protocols (e.g. OAuth2.0, OIDC, SAML, FIDO)

  • Demonstrated expertise in security concepts

  • A Degree in Computer Science, Engineering, Mathematics, similar field of study or equivalent work experience

  • Strong communication and collaboration skills.

We would love to see experience with:

  • Building and maintaining mission-critical infrastructure

  • Public key cryptography

  • Analyzing and simplifying complex systems and domains

  • Web technologies

  • Distributed systems

  • Automation, testing, and CI/CD pipelines