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Yasin J.

Yasin J.

Expert in SSO Solutions | Keycloak | OAuth | SAML | IAM

Overview Are you struggling to implement secure and seamless Single Sign-On (SSO) solutions for your business? I’m here to help! With over a decade of experience as a Senior Software Engineer, I specialize in Identity and Access Management (IAM) systems, leveraging Keycloak, SAML, OAuth, and OpenID Connect (OIDC) to simplify authentication processes and protect your organization’s critical data. What I Offer: • Custom Keycloak configurations, including theming, user federation, and event listeners. • SSO integrations across multiple platforms, including WordPress, AWS, and enterprise SaaS solutions. • Expertise in OAuth 2.0 and SAML 2.0, ensuring robust and scalable authentication for your applications. • Development of secure REST APIs and microservices using Java and Spring Boot. • Migration of legacy systems to modern authentication frameworks. • Troubleshooting and optimization of existing IAM setups. Industries I’ve Worked With: • Healthcare • E-commerce • Education • Small and Medium Businesses (SMBs) • Technology Startups My Approach: I believe in crafting solutions tailored to your business needs. Whether you need to onboard 3,000+ users or integrate SSO for multiple third-party apps, I focus on scalability, security, and efficiency. My goal is to deliver solutions that save you time, reduce operational costs, and enhance user experience. Client Success Stories: • Designed and architected a global SSO system for an international nonprofit operating in over 100 countries. Using Keycloak, I implemented a solution that unified their IAM strategy, enabling secure access to their suite of applications for thousands of employees and volunteers worldwide. • Enabled a B2B SaaS platform to streamline authentication for business clients by integrating Keycloak with their existing systems. This included custom configurations and OAuth-based authentication, reducing login errors and improving customer satisfaction. • Customized Keycloak theming for a design-focused platform, creating a seamless and branded user authentication experience. Delivered a visually appealing, responsive, and secure login interface tailored to the client’s design needs. Why Choose Me? • 12+ years of software development experience with a strong focus on IAM and SSO. • Successfully completed 10+ Upwork projects with a 5-star rating (except one at 4.85). • Proven expertise in deploying secure IAM solutions that meet compliance standards. • Clear communication, fast delivery, and attention to detail. Let’s Work Together If you’re ready to secure your applications, streamline user authentication, or implement a robust IAM strategy, I’m here to make it happen. Let’s discuss your project today and turn your challenges into solutions!

🇺🇸Richfield, United States$125/hr100% JSS5.00 (15)Since Jun 2016

Earnings and projects

MRR
$14

Last 6 months ÷ 6

World#169,584 / 412k
🇺🇸Country#22,277 / 62.1k
Revenue, last 30 days
$0

Last 6 months: $82

Total earnings
$251k

Billed in all: $263k

World#10,592 / 412k
🇺🇸Country#2,760 / 62.1k
Per project
$11k

$82 in the last 6 months

World#13,480 / 412k
🇺🇸Country#2,308 / 62.1k
Projects, last 6 months
1
0% fixed100% hourly
World#128,092 / 412k
🇺🇸Country#16,472 / 62.1k
Projects in all
22

Across 27 contracts

44% fixed56% hourly
World#124,452 / 412k
🇺🇸Country#18,137 / 62.1k

Earnings, last 30 days

$263kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$255k$260k$265k$270kOct 8Oct 23Nov 7

Skill rankings: Top 25% in Core Java

Ranked by MRR among everyone on Upwork with the skill.

  1. #8Security Assertion Markup Language17 freelancers · 🇺🇸 #1Top 47%
  2. #46Single Sign-On131 freelancers · 🇺🇸 #7Top 35%
  3. #47Active Directory Federation Services123 freelancers · 🇺🇸 #6Top 38%
  4. #50OKTA132 freelancers · 🇺🇸 #12Top 38%
  5. #70Core Java275 freelancers · 🇺🇸 #4Top 25%
  6. #84User Identity Management203 freelancers · 🇺🇸 #20Top 41%
  7. #100Web Application Security246 freelancers · 🇺🇸 #11Top 41%
  8. #150OAuth381 freelancers · 🇺🇸 #14Top 39%