Sr. Software Engineer; IAM

Job Description Summary

This is a JG‑5 level individual contributor role responsible for defining and designing multi‑tenant, SaaS applications  Software Architect acts as a principal architectural and technical advisor, collaborating with experienced and opinionated engineers across the division to continuously evolve product architecture in alignment with business goals. This role demands a strategic mindset, deep technical expertise, and strong leadership in architectural decision‑making.

BD is one of the largest global medical technology companies in the world. Advancing the world of health™ is our Purpose, and it’s no small feat. It takes the imagination and passion of all of us—from design and engineering to the manufacturing and marketing of our billions of Med Tech products per year—to look at the impossible and find transformative solutions that turn dreams into possibilities.

We believe that the human element, across our global teams, is what allows us to continually evolve. Join us and discover an environment in which you’ll be supported to learn, grow and become your best self. Become a maker of possible with us.

This is a JG‑5 level individual contributor role.

• Design and implement scalable, secure IAM solutions, including identity federation, SSO, user lifecycle management, and policy‑based access control.
• Define and evolve architecture for multi‑tenant SaaS applications using microservices, event‑driven, and cell‑based paradigms.
• Design scalable, secure, resilient, and cost‑effective cloud‑native systems aligned with business and product strategy.
• Lead architectural initiatives, proof‑of‑concepts, and technology evaluations to guide platform evolution.
• Collaborate with product managers and engineering teams to refine product vision and ensure architectural alignment.
• Mentor developers and foster a culture of technical excellence and architectural best practices.
• Conduct design and code reviews to ensure simplicity, maintainability, and adherence to standards.
• Continuously assess existing systems against best practices and drive improvements.
• Ensure seamless system integration, performance optimization, and scalability across distributed services.
• Promote architectural community development and contribute to shared knowledge and paved paths.

• Experience with Domain Driven Design (DDD) and its principles. Strong understanding of software design patterns and principles, such as SOLID principles and the Single Responsibility Principle.
• Strong experience in designing RESTful APIs.
• Understanding of cell‑based architecture and its benefits, such as scalability, resilience, and simplicity.
• Experience with Event‑Driven Architecture (EDA) and its patterns, such as publish‑subscribe, message queuing, and event sourcing.
• Familiarity with microservices architecture and its patterns, such as service discovery, API gateways, and service meshes.
• Experience designing scalable identity and modern authorization systems, including policy‑based access control using frameworks like Casbin, OPA, or similar.
• Hands‑on experience with Okta and Auth0 for identity federation, SSO, and user lifecycle management.
• Exposure to SPIFFE/SPIRE for secure service identity and workload authentication is a plus.

• Extensive experience with Identity and Access Management (IAM), including identity federation, SSO, user lifecycle management, and policy‑based access control using frameworks such as Okta, Auth0, Casbin, or OPA.
• Hands‑on experience with AWS services:
  Lambda, API Gateway, S3, Dynamo
  
  DB, SQS, Kinesis.
• Strong grasp of Dev Ops practices: CI/CD, infrastructure as code, automated testing.
• Experience with data storage and retrieval: relational and No
  
  SQL databases.
• Exposure to big data technologies:
  Spark, Hive, EMR, EMR Serverless, KDA.
• Proficiency in C#, .NET, Golang, and frontend frameworks like JavaScript, Angular, React.

• Bachelor’s degree in computer science, Computer Engineering, or related IT/technical field of study required.
• 15+ years of progressive Software Engineering experience, with 8+ years focused on IAM and cloud security.

At BD, we…