About Persistent
We are an AI-led, platform-driven Digital Engineering and Enterprise Modernization partner, combining deep technical expertise and industry experience to help our clients anticipate what’s next. Our offerings and proven solutions create a unique competitive advantage for our clients by giving them the power to see beyond and rise above. We work with many industry-leading organizations across the world, including 20 Fortune 50 companies and 4 of the 5 top banks in both the US and India, and numerous innovators across the healthcare ecosystem.
Our disruptor’s mindset, commitment to client success, and agility to thrive in the dynamic environment have enabled us to sustain our growth momentum. Persistent has been recognized across top industry platforms for innovation, leadership, and inclusion. We reported $1,654.4M FY26 revenue with 17.4% Y-o-Y growth. We have delivered 24 sequential quarters of growth with $436.0M in Q4 FY26 revenue, up 3.2% Q-o-Q and 16.2% Y-o-Y growth. Our 27,500+ global team members, located in 18 countries, have been instrumental in helping the market leaders transform their industries. We have been recognized as the Fastest Growing IT Services Brand Globally in the 2026 Brand Finance IT Services 25 Report. We named a Leader in the Everest Group Private Equity (PE) Services PEAK Matrix® Assessment 2026 and Software Product Engineering PEAK Matrix® Assessment 2026.
About Position:
: BonterraTech is looking for a Lead Software Engineer to spearhead the hands-on implementation of Auth0 across our product suite. In this technical leadership role, you will write code daily while leading a team of engineers to build secure, scalable identity management solutions. You will be responsible for implementing complex authentication features, mentoring team members, and ensuring code quality across all authentication services.
- Role: Programmer (Dev)
- Location: Pune
- Experience: Between 8 to 12 Years
- Job Type: Full Time Employment
What You'll Do:
- Lead hands-on implementation of Auth0 integration with 70% of time spent coding
- AI and AWS first mentality
- Develop core authentication services, libraries, and middleware components
- Implement secure OAuth 2.0 flows (authorization code + PKCE, client credentials, device flow, refresh token rotation)
- Write custom Auth0 actions for complex business logic
- Build SAML 2.0 service provider implementations and manage Id
- P integrations
- Implement federation with enterprise identity providers (Active Directory, AWS Cognito, Azure AD, LDAP)
- Create secure session management solutions with distributed caching strategies
- Build authentication adapters for legacy systems and third-party applications
- Implement automated testing suites for authentication flows (unit, integration, security tests)
- Lead technical design sessions and code reviews focused on security
- Mentor team members through pair programming and technical guidance
- Troubleshoot and resolve complex authentication issues in production
- Optimize authentication service performance for high-volume scenarios
- Collaborate with the Lead Engineer, Engineering Managers, and Architects: Work closely with the lead software engineer and architects to assist in the design and development
- Work with QA Engineers: Partner with QA engineers to help create and maintain automated test suites, ensuring robust product quality
- Collaborate with DevOps and SaaS Teams: Work alongside DevOps and SaaS teams to support the implementation and maintenance of CI/CD pipelines
Must-Have
Expertise You'll Bring:
- 8-10 years of software engineering experience with consistent hands-on coding
- At least 4 years implementing authentication and authorization systems
- Expert programming skills in Node.js, TypeScript, REST, Terraform, No
- SQL and AWS and at least one other language (Python, Java, C, Go)
- Production experience implementing Auth0 or similar IDaa
- S platforms
- Hands-on experience with OAuth 2.0/OpenID Connect implementation including all standard flows
- Practical experience implementing SAML 2.0 (service provider)
- Experience using AI coding assistants (Cursor, GitHub Copilot, Anthropic Claude) for development productivity
- Familiarity with AI-powered code review and security scanning tools
- Strong knowledge of JWT - able to implement validation, and claims processing
- Experience integrating with enterprise identity providers (Active Directory, LDAP, AWS Cognito, Azure AD)
- Proficiency in web security (XSS, CSRF, session management, secure headers)
- Experience building authentication for SPAs and mobile applications
- Strong knowledge of modern JavaScript/TypeScript and Node.js ecosystem
- Experience with microservices authentication patterns and API security
- Hands-on experience with Redis/Memcached for session management
- Proficiency with Git, CI/CD pipelines, and DevOps practices
- Good-to-Have Requirements
- Experience in React, bash, SQL (any of Postgres, MySQL, Microsoft SQL, Oracle)
- Experience writing and debugging GitHub workflows
- Implementation experience with Okta, Ping Identity, or Keycloak
- Experience migrating from legacy authentication systems to modern IDaa
- SKnowledge of passwordless authentication and Web
- Authn implementation
- Experience with Kubernetes and container security
- Implementation of OAuth 2.0 extensions (Token Exchange, Dynamic Client Registration)
- Experience with identity protocols beyond OAuth/SAML (WS-Fed, Kerberos)
- Experience with authentication in serverless architectures
- Knowledge of privacy regulations (GDPR, CCPA) implementation
- Performance testing and optimization of authentication services
- Open source contributions to authentication libraries
Education: Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.
Benefits:
- Competitive salary and benefits package
- Culture focused on talent development with quarterly growth opportunities and company-sponsored higher education and certifications
- Opportunity to work with cutting-edge technologies
- Employee engagement initiatives such as project parties, flexible work hours, and Long Service awards
- Annual health check-ups
- Insurance coverage: group term life, personal accident, and Mediclaim hospitalization for self, spouse, two children, and parents
Values-Driven, People-Centric & Inclusive Work Environment:
Persistent is dedicated to fostering diversity and inclusion in the workplace. We invite applications from all qualified individuals, including those with disabilities, and regardless of gender or gender preference. We welcome diverse candidates from all backgrounds.
- We support hybrid work and flexible hours to fit diverse lifestyles.
- Our office is accessibility-friendly, with ergonomic setups and assistive technologies to support employees with physical disabilities.
- If you are a person with disabilities and have specific requirements, please inform us during the application process or at any time during your employment
Let’s unleash your full potential at Persistent - persistent.com/careers
“Persistent is an Equal Opportunity Employer and prohibits discrimination and harassment of any
