Senior Full Stack Engineer – React, Python & AWS

About Apexon:

Apexon is an AI-first technology services firm that engineers intelligent enterprises. Our interconnected disciplines of Domain & Strategy, Cognitive Architecture, and Harness Engineering guide every engagement, helping clients deliver meaningful business outcomes while applying collective intelligence to confidently scale from early AI strategies to enterprise-grade production systems. For over three decades, we have helped organizations by leveraging our deep and practical expertise in Artificial Intelligence, Data & Analytics, Digital Engineering, and Experience, combined with our industry knowledge across Banking & Financial Services, Healthcare and Life Sciences to create lasting business value. Apexon is backed by Goldman Sachs Asset Management and Everstone Capital.

Role Summary

Position: Application Development (AppDev) Developer

Experience: 5+ years of relevant experience

Location: Hybrid

Primary Stack: AWS, React.js, TypeScript, Python, REST APIs, Amazon S3, AWS IAM and Active Directory

We are seeking an experienced Application Development Developer to design, build, and deploy secure, scalable, cloud-native applications on AWS. This role requires strong full-stack development expertise across React.js, TypeScript, Python, and REST APIs, along with hands-on experience managing Amazon S3 access controls and integrating applications with enterprise identity systems. The ideal candidate will independently deliver high-quality application features, establish robust authentication and authorization controls, implement auditability and monitoring, and collaborate effectively with stakeholders and cross-functional teams in a fast-paced delivery environment.

Key Responsibilities

• Design, develop, deploy, and maintain secure, scalable, cloud-native applications on AWS.
• Build responsive, accessible, and maintainable frontend applications using React.js and TypeScript.
• Develop secure backend services, integrations, and RESTful APIs using Python.
• Design and manage Amazon S3-based file storage and access solutions.
• Configure and maintain AWS IAM policies, S3 bucket policies, and prefix-level access controls.
• Integrate applications with Enterprise Active Directory and identity management systems.
• Implement user authentication, authorization, and enterprise directory search capabilities.
• Establish comprehensive audit logging, application monitoring, exception handling, and operational diagnostics.
• Apply secure coding standards and cloud security practices to support data protection and compliance requirements.
• Troubleshoot production issues and improve application performance, reliability, and scalability.
• Collaborate with business stakeholders, architects, and cross-functional engineering teams to translate requirements into effective technical solutions.
• Participate in Agile delivery activities and contribute to planning, estimation, development, testing, and deployment.
• Work independently, manage competing priorities, and deliver high-quality solutions within compressed project timelines.

Mandatory Skills Required

• 5+ years of relevant experience in full-stack application development and AWS cloud services.
• Proven ability to independently design and deliver secure, production-grade application features.
• AWS and Cloud Development
• Strong hands-on experience with AWS application development.
• Advanced working knowledge of: Amazon S3, AWS Identity and Access Management, IAM policies, S3 bucket policies, Prefix-level access controls, Cloud access-control management
• Experience designing and implementing secure, scalable cloud-based architectures.
• Strong hands-on development experience with React.js.
• Proficiency in TypeScript and modern JavaScript.
• Understanding of modern frontend architecture, component-based development, responsive design, and UI development practices.
• Strong Python development experience.
• Hands-on experience designing and developing RESTful APIs.
• Knowledge of API integration, authentication, authorization, error handling, and security.
• Experience integrating applications with Enterprise Active Directory or enterprise identity management systems.
• Hands-on experience implementing: User authentication, Role- or policy-based authorization, User and directory search and Secure access controls
• Strong understanding of secure coding, data security, audit logging, monitoring, and compliance requirements.
• Strong analytical, troubleshooting, and problem-solving skills.
• Excellent communication and stakeholder-management abilities.
• Ability to work independently and deliver effectively under tight deadlines.
• Ability to collaborate with business, architecture, engineering, and cross-functional teams.

Nice to Have Skills

• AWS Developer Associate, AWS Solutions Architect Associate, or an equivalent AWS certification.
• Experience with CI/CD pipelines and DevOps practices.
• Knowledge of application monitoring, observability, and logging frameworks.
• Exposure to enterprise-scale application architecture and cloud security.
• Experience working in Agile or Scrum delivery environments.

Our Commitment to Diversity & Inclusion:

Did you know that Apexon has been Certified™ by Great Place To Work®, the global authority on workplace culture, in each of the four regions in which it operates: USA (for the seventh time in 2026), India (for the tenth consecutive time in 2026), the UK(for the fourth time in 2026) and Mexico (for the second time in 2026). Apexon is committed to being an equal opportunity employer and promoting diversity in the workplace. We take affirmative action to ensure equal employment opportunity for all qualified individuals. Apexon strictly prohibits discrimination and harassment of any kind and provides equal employment opportunities to employees and applicants without regard to gender, race, color, ethnicity or national origin, age, disability, religion, sexual orientation, gender identity or expression, veteran status, or any other applicable characteristics protected by law. You can read about our Job Applicant Privacy policy here Job Applicant Privacy Policy (apexon.com)

Our Commitment to Environment:

Actively contribute to Apexon's commitment to environmental responsibility by following sustainable practices and supporting ESG initiatives.

Our Perks and Benefits:

Our benefits and rewards program has been thoughtfully designed to recognize your skills and contributions, elevate your learning/upskilling experience and provide care and support for you and your loved ones. As an Apexon Associate, you get continuous skill-based development, opportunities for career advancement, and access to comprehensive health and well-being benefits and assistance.

We also offer:

• Group Health Insurance covering family of 4
• Term Insurance and Accident Insurance
• Paid Holidays & Earned Leaves
• Paid Parental Leave
• Learning & Career Development
• Employee Wellness

Job Location :

Pune, India