Santhosh Subramani

Full Stack Engineer

Stuttgart, Germany4 yrs 2 mos experience
AI ML PractitionerAI Enabled

Key Highlights

  • Led teams to ship 15+ production apps.
  • Boosted query speeds by 20% and reduced defects by 25%.
  • Architected scalable solutions for 10k+ user platforms.
Stackforce AI infers this person is a Full-Stack Developer with expertise in SaaS and AI-driven solutions.

Contact

Skills

Core Skills

Full-stack DevelopmentBack-end Web DevelopmentApi DevelopmentProject Management

Other Skills

PHPNode.jsHTML5Team ChemistryApplication Programming Interfaces (API)AngularJSGoogle ColabMachine LearningMicrosoft TeamsChatGPTGoogle GeminiMidjourneyTailwind CSSPower BIMicrosoft Copilot

About

đŸ”„ Full-Stack Visionary: From Code to Global Impact Results-obsessed MERN Stack Engineer with 3+ years building scalable web apps, AI chatbots, and enterprise ecosystems. I bridge complex backends with intuitive UIs, ensuring products don't just launch—they dominate. Led 10+ engineer teams to ship 15+ production apps, slashing defects by 25% and boosting query speeds by 20%. Thrives in fast-paced environments, mentoring juniors into senior contributors. 🚀 Proven Engineering Highlights: MERN Powerhouse: Architected MongoDB/Express/React/Node.js (NestJS/TypeScript) stacks for 10k+ user platforms—zero downtime during peak loads. AI Innovation: Deployed ZUKO AI (FastAPI/Node.js)—automated 50% of inquiries, saving 100+ hours/month. AWS Mastery: Hands-on with SES (email automation), SQS/SNS (reliable messaging), S3 (secure storage), DLQ (error handling), EC2/Lambda—optimized costs by 30% for high-volume SaaS. Microsoft Expertise: Deep Azure integrations + Business Central ERP customizations—linked to MERN apps for real-time inventory/finance dashboards. Recent Project: Built AI chatbot with React/Next.js + AWS SQS webhook flows—handled 5k daily interactions with 99.9% uptime. 🛠 Elite Tech Arsenal: Frontend: React/Next.js, Redux Toolkit, Tailwind/Shadcn, Framer Motion, HTML5/CSS3 Backend: Node.js/Express/NestJS, Python/FastAPI, GraphQL/REST APIs Databases: MongoDB (Atlas), PostgreSQL, MySQL, Redis (caching/queues) Cloud/DevOps: AWS (SES/SQS/S3/SNS/DLQ/EC2/Lambda/RDS), Azure AD/Business Central, Docker/Kubernetes, CI/CD (GitHub Actions), Terraform Tools: Git, Jira, Figma (UI collab), Postman/Newman (API testing) 🌍 Europe Calling: Chennai-based but EU-ready—seeking Senior Full-Stack/Backend roles in Ireland, Germany, Netherlands. Visa-eligible, fluent English/Tamil, passionate about GDPR-compliant, cloud-native innovation. Why Me? I deliver ROI through code: faster launches, happier users, lower costs. Let's collaborate on your next big win! 📧 contact.sadaiyappan@gmail.com 📞 +91 93845 79716 #MERN #AWS #Microsoft #FullStack #HiringEurope

Experience

4 yrs 2 mos
Total Experience
3 yrs 4 mos
Average Tenure
8 mos
Current Experience

Numentica ui

Software Development Engineer I

Sep 2025 – Present · 8 mos · Chennai · On-site

Full-Stack Development

Itoi

2 roles

Lead Software Engineer

Promoted

May 2024 – Sep 2025 · 1 yr 4 mos

  • 📍 Location :Nagercoil | 🗓 Feb 2023 – Sep 2025
  • 💡 Key Responsibilities & Achievements:
  • ✅ API Development & Integration 🌐
  • Led a team in designing & implementing APIs within the Node.js ecosystem, ensuring seamless third-party integrations 🔗.
  • Built scalable & efficient RESTful and GraphQL APIs, enhancing system performance ⚡.
  • ✅ Project Management & Agile Execution 🔄
  • Managed projects using Agile methodologies, ensuring on-time deliveries that met client expectations 🎯.
  • Oversaw end-to-end development cycles, maintaining high code quality & scalability 📈.
  • ✅ Team Leadership & Collaboration đŸ€
  • Fostered a collaborative work culture, encouraging open communication & continuous improvement 🚀.
  • Mentored developers, guiding them in best practices for backend & frontend development đŸ’».
Node.jsHTML5API DevelopmentProject Management

Software Engineer

Mar 2023 – May 2024 · 1 yr 2 mos

Self-employed

Freelance AI Software Developer

Mar 2022 – Present · 4 yrs 2 mos · India · On-site

  • With expertise in web development, software development, and Microsoft 365 solutions, I offer:
  • ✅ Custom Websites & Web Apps (Laravel, NestJS, CodeIgniter, React, etc.)
  • ✅ Mobile Apps – Scalable and user-friendly solutions
  • ✅ Software Development – Tailored to your business needs
  • ✅ Microsoft 365 Support – Setup, management, and troubleshooting
  • I’m passionate about delivering high-quality, efficient, and secure solutions that help businesses grow. If you're looking for a reliable developer, let's connect!
PHPBack-End Web Development

Education

University of the People

Master of Technology - MTech — Data Science

Jul 2025 – Present

Akshaya College of Engineering and Technology

Bachelor's degree — Computer Engineering

Jun 2019 – Jun 2023

Christ The King College

Diploma of Education — Computer Science

Jun 2017 – Aug 2019

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