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I am an accomplished Senior Full Stack Developer with over 12 years of experience building scalable web applications and microservices primarily in the FinTech, Healthcare, and Automotive sectors. I am proficient in modern frontend and backend technologies including React, Next.js, Node.js, TypeScript, Nest.js, and Python, and I deliver robust solutions using cloud platforms like AWS and GCP. I have a strong interest in AI and have integrated intelligent features into projects such as Karai, optimizing event-driven systems with Kafka and SQS. I thrive in mentoring teams, enforcing security best practices, and streamlining development with TDD and CI/CD methodologies to deliver high-quality, scalable products ahead of schedule.…I am an accomplished Senior Full Stack Developer with over 12 years of experience building scalable web applications and microservices primarily in the FinTech, Healthcare, and Automotive sectors. I am proficient in modern frontend and backend technologies including React, Next.js, Node.js, TypeScript, Nest.js, and Python, and I deliver robust solutions using cloud platforms like AWS and GCP. I have a strong interest in AI and have integrated intelligent features into projects such as Karai, optimizing event-driven systems with Kafka and SQS. I thrive in mentoring teams, enforcing security best practices, and streamlining development with TDD and CI/CD methodologies to deliver high-quality, scalable products ahead of schedule.

Santosh Kumar Chintakindi

Full Stack Developer, Developer, Programmer, +2

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I am an accomplished Senior Full Stack Developer with over 12 years of experience building scalable web applications and microservices primarily in the FinTech, Healthcare, and Automotive sectors. I am proficient in modern frontend and backend technologies including React, Next.js, Node.js, TypeScript, Nest.js, and Python, and I deliver robust solutions using cloud platforms like AWS and GCP. I have a strong interest in AI and have integrated intelligent features into projects such as Karai, optimizing event-driven systems with Kafka and SQS. I thrive in mentoring teams, enforcing security best practices, and streamlining development with TDD and CI/CD methodologies to deliver high-quality, scalable products ahead of schedule.…I am an accomplished Senior Full Stack Developer with over 12 years of experience building scalable web applications and microservices primarily in the FinTech, Healthcare, and Automotive sectors. I am proficient in modern frontend and backend technologies including React, Next.js, Node.js, TypeScript, Nest.js, and Python, and I deliver robust solutions using cloud platforms like AWS and GCP. I have a strong interest in AI and have integrated intelligent features into projects such as Karai, optimizing event-driven systems with Kafka and SQS. I thrive in mentoring teams, enforcing security best practices, and streamlining development with TDD and CI/CD methodologies to deliver high-quality, scalable products ahead of schedule.

Available to hire

I am an accomplished Senior Full Stack Developer with over 12 years of experience building scalable web applications and microservices primarily in the FinTech, Healthcare, and Automotive sectors. I am proficient in modern frontend and backend technologies including React, Next.js, Node.js, TypeScript, Nest.js, and Python, and I deliver robust solutions using cloud platforms like AWS and GCP.

I have a strong interest in AI and have integrated intelligent features into projects such as Karai, optimizing event-driven systems with Kafka and SQS. I thrive in mentoring teams, enforcing security best practices, and streamlining development with TDD and CI/CD methodologies to deliver high-quality, scalable products ahead of schedule.

Skills

Experience Level

Expert

Expert

Expert

Expert

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Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Work Experience

Lead Full Stack Developer at Kalmtech Ltd

January 1, 2025 - Present

Architected a fintech expense management tool that supports multi-currency transactions and integrates AI-driven analytics, scaling to 100K transactions/day. Led a team of 5 to design serverless microservices on GCP using event-driven architecture with Kafka, achieving efficient 120ms API responses for currency conversions. Developed AI-powered expense categorization and forecasting features with Python/FastAPI and GCP Vertex AI, improving user decision-making by 30%. Enforced security with tools like Snyk and SonarQube, ensuring GDPR and PCI compliance. Streamlined delivery using GitHub CI/CD automation and mentored developers in TDD, launching the platform 2 weeks ahead of schedule.

Senior Full Stack Developer at Lloyds

December 1, 2024 - September 3, 2025

Developed the Scottish Widows MVP agent portal using Next.js and Nest.js, streamlining life insurance workflows and integrating key aggregators. Implemented event-driven microservices with Kafka and Node.js/TypeScript/Python, achieving fast 150ms API responses and seamless PEGA/INSIS integration. Enhanced the IFA portal, reducing load times by 20%. Maintained high security standards with Snyk, SonarQube, NexusIQ Scan, and Aqua Security. Collaborated in delivering reusable libraries and TDD-driven AWS solutions, significantly improving system performance.

Senior Full Stack Developer at CONJURE

August 1, 2022 - September 3, 2025

Built the NHS Lantern platform with React, Node.js, and GCP, delivering critical COVID-19 features and migrating LFD data with perfect accuracy. Developed Karai’s backend integrating Sentiance AI and Stripe with Node.js/TypeScript, scaling microservices via GCP Pub/Sub for over 1 million users with improved latency. Configured hybrid cloud solutions with serverless functions and SSO. Enforced security best practices including 2FA and maintained API responses under 200ms. Supported innovation through TDD and CI/CD using Bitbucket.

Lead Software Engineer at PAYCONSTRUCT

January 1, 2021 - September 3, 2025

Architected a payment platform from scratch with a team of 10, using React, Node.js, Python, and MongoDB on AWS, scaling to 50K requests/second. Led integrations with PSPs, banks, and Twilio, implementing adapter-based microservices and an omni-channel chat system. Established reusable React component libraries and documented 400+ APIs for scalability. Ensured security with Snyk and rigorous code reviews, maintaining AML compliance. Mentored 10 developers, aligning technical strategy with business goals to develop a fintech leader.

Software Engineer Intern at British Oceanographic Data Centre

July 1, 2017 - September 3, 2025

Automated oceanographic data workflows with Python and Oracle, reducing transformation time from 7 hours to 15 minutes. Improved legacy software with Java and C++. Developed PL/SQL procedures and shell scripts for data processing. Upgraded Matlab tools for team efficiency. Delivered production-ready code within Agile sprints.

Software Engineer at Wavecrest Pvt Ltd

January 1, 2015 - September 3, 2025

Developed web applications using PHP, Laravel, and MySQL with CRM features. Created responsive UIs with HTML, CSS, SASS, and Bootstrap. Optimized REST APIs and backend services for better system efficiency and UX. Fixed nearly 100 critical bugs, achieving zero-defect releases. Worked in Agile (JIRA/Scrum) environment with SVN version control.