Kal Biswas
Verified Expert in Engineering
Solutions Architect and Developer
Maidenhead, United Kingdom
Toptal member since October 12, 2022
Kal is an architect with 28+ years of experience in a broad spectrum of technologies, including information security and identity and access governance and management domains. He has profound skills in identity as a service (IDaaS), protocols for federated identity such as OIDC and SAML, and biometric multi-factor authentication. Kal also specializes in next-gen technologies, verifiable credentials, self-sovereign identity, DevOps, IaC, and CI/CD patterns.
Portfolio
Experience
Availability
Preferred Environment
Linux, MacOS, Visual Studio Code (VS Code), Xcode, Docker Compose, Kubernetes, MongoDB, Amazon Web Services (AWS), Azure, Okta
The most amazing...
...thing I've run is a POC to secure a tax portal for a European government covering 20 million tax-paying entities, simulating a peak load of 20,000 sessions.
Work Experience
Senior Solutions Architect
Keyless
- Integrated and documented Keyless biometric MFA solution for Salesforce and a host of IDaaS vendors: PingOne, ForgeRock Identity Cloud, OneLogin, Amazon Cognito, and Auth0.
- Created public documentation and instructional videos about Keyless solutions.
- Ran multiple projects to integrate Keyless MFA solutions to customer applications using mobile SDK for iOS and Android and OIDC and SAML protocols.
Advisor Solution Architect
DXC Technology
- Implemented MFA for a bank in the UK to enable access via Cisco AnyConnect VPN.
- Contributed to a solution architecture proposal that was part of an RFI response for a government client to leverage verifiable credentials and SSI technologies for citizens' access.
- Delivered a cyber maturity review for a client in the defense industry and privileged access to IT resources for employees.
- Played a key role in building an IDaaS solution for workforce IAM for a client in the insurance industry.
- Contributed to an identity governance solution leveraging SailPoint IdentityIQ for a client in the defense industry.
Architect
Self-employed
- Migrated an on-premise CIAM solution to an insurance client's virtual appliance-based infrastructure.
- Delivered an access management solution, workforce IAM, for a major client in the transportation sector, leveraging the IBM Access Management suite of products.
- Migrated workforce IAM to IDaaS solution in Okta for a client in the insurance industry.
Senior Solutions Architect
RSA
- Oversaw the architecture and deployment of an identity governance solution for a bank in Belgium, starting from a proof of concept and pilot-to-production rollout using Aveksa and RSA Identity Governance products.
- Contributed to an identity governance solution for a bank in Germany.
- Worked actively on an identity governance solution for a pension fund in the Netherlands.
Senior Consultant and Architect
IBM
- Used the federated identity manager to work with early users of identity federation protocols SAML, WS-Federation, WS-Trust, and OpenID.
- Contributed to access management and CIAM solutions for a few major European banks based in Belgium, Norway, Denmark, Spain, Sweden, Germany, and Turkey.
- Built an identity provisioning and management solution on the IBM Security Identity Manager product suite for a few European customers from Denmark, the UK, Belgium, Turkey, and Spain.
Experience
Passwordless Biometric MFA for Salesforce
https://docs.keyless.io/workforce/identity-and-access-management/salesforceBiometric Passwordless Authentication for Gaming Industry
Identity Broker Implementation
Education
Master's Degree in Computer Science
Johns Hopkins University - Baltimore, MD, USA
Master's Degree in Business Administration, Information Systems, and Manufacturing
Indian Institute of Management - Ahmedabad, India
Bachelor's Degree in Computer Science
Indian Institute of Technology Bombay - Mumbai, India
Certifications
AWS Certified SysOps Administrator
Amazon Web Services
Certified Calico Operator: Level 1
Tigera
AWS Certified Security - Specialty
Amazon Web Services
AWS Certified Developer – Associate
Amazon Web Services Training and Certification
AWS Certified Solutions Architect – Associate
Amazon Web Services Training and Certification
Skills
Libraries/APIs
Node.js, RADIUS, Auth0 API, Auth0 Management API v2
Tools
IBM WebSEAL, Docker Compose, Xcode, Confluence, Jira, SailPoint, IBM DataPower, Amazon Cognito, Auth0, AWS IAM
Languages
SAML, C++98, C, Java, Swift 5, Objective-C, C++
Paradigms
Web Application Architecture, DevOps, DevSecOps, Object-oriented Programming
Industry Expertise
Cybersecurity
Frameworks
OAuth, iOS, TOGAF, COBIT, React Native
Platforms
AWS, Azure Design, Linux, MacOS, Visual Studio Development, Kubernetes, Web Development, Jupyter Notebook, JBoss, MuleSoft, Duo, AWS Lambda, iOS
Storage
MongoDB, Database, DB2, Oracle Development, Database, Azure
Other
OKTA, OpenID Connect (OIDC), SAML-auth, LDAP, IBM Tivoli Access Manager (TAM), Identity & Access Management (IAM), Security, SSO Engineering, Multi-factor Authentication (MFA), System Security, Security Architecture, Application Security, IT Security, Architecture, Cloud Architecture, Active Directory (AD), Distributed Software, Decision Support Systems, Freelance Programming, Agile DevOps, Aveksa, IBM Tivoli Identity Manager (TIM), Enterprise Java Beans (EJB), Active Directory Federation, Active Directory Synchronization, System Security, System Security, Mobile App Security, Web Application Firewall (WAF), Data Security, Data Science, Authentication, iOS Authentication, Cloud Engineering, APIs, System Security, Project Calico, AWS IAM Identity Center, AWS Managed Microsoft AD
How to Work with Toptal
Toptal matches you directly with global industry experts from our network in hours—not weeks or months.
Share your needs
Choose your talent
Start your risk-free talent trial
Top talent is in high demand.
Start hiring