Senior Software Engineer - Login Platform
Software Engineering
New York, NY, USA
Posted on Jul 3, 2026
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 of clients and employees. We design systems that are fast, secure, 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 used company-wide and clients
- Identity Brokering
- Self Service tooling for management and troubleshooting of SSO integrations
- Customer Credentials Management
- Impersonation and Delegation Access
Why join our team?
We are embarking on an initiative to modernize and unify Bloomberg’s authentication landscape for a modern identity ecosystem. Your work will directly affect the experience of Bloomberg’s employees and clients worldwide.
You can expect to:
- Lead design and development of Bloomberg’s next-generation authentication systems, aligning with future product goals.
- Create scalable, end-to-end identity solutions across web, API, and proprietary technologies.
- Build tools to simplify authentication integration for internal and external teams, ensuring applications have a high level of default security.
- Collaborate with cross-functional partners across product, design, and engineering.
- 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.
- Value staying informed about industry trends in identity management.
- Care deeply about software quality, reliability, and scalability.
- Prioritize data-driven decision making.
You will need to have:
- Experience guiding the architecture of large scale systems.
- Strong communication and collaboration skills.
- 4+ years working with an object-oriented programming language (C/C++, Python, Java, Go, etc.)
- A Degree in Computer Science, Engineering, Mathematics, similar field of study or equivalent work experience.
We would love to see:
- Demonstrated expertise in security and authentication concepts.
- Experience working with authentication and authorization protocols (especially OAuth / OIDC)
- Experience developing or operating Open ID Providers, Authorization Servers, and Identity Providers.
- Experience working on delegated access.
- Experience designing, building, or configuring federated identity management systems or identity brokers.
- Deep understanding of OAuth, OIDC, SAML, FIDO or similar protocols.
- Experience with open authentication standards (e.g. Continuous Access Evaluation Protocol, Shared Signals Framework, Zero Trust Architecture)
- Experience building and maintaining mission-critical infrastructure.
- Experience building and scaling distributed systems.
- Experience championing new company-wide standards for security practices.
- Participation in public authentication standards development or academic research.
- Presentations at security conferences.
- Certification or experience in penetration testing and cybersecurity.