Senior Software Engineer
AI · Full-Stack · Real-Time
6+ years building enterprise-grade web applications, AI-powered voice systems, and real-time communication platforms — from concept to production at scale.
About Sanga Technologies
Built on 6+ years of hands-on engineering experience — we craft intelligent, production-grade software that scales.
Sanga Technologies is led by a Senior Software Engineer with 6+ years of experience delivering enterprise web applications, AI voice systems, and real-time platforms for clients across the globe. We specialise in turning complex requirements into clean, performant, and maintainable products.
From architecting a transportation voice bot that handles 1,000+ concurrent calls with sub-2-second responses, to leading teams of 5–10 engineers, to delivering 20+ projects on time and within budget — our track record speaks for itself.
🎓 Education
🎯 Our Mission
To build intelligent, reliable, and beautiful software that empowers people and drives business growth — one project at a time.
AI & Voice Systems
Enterprise voice bots handling 1000+ concurrent calls with <2s response times, using LiveKit, Deepgram, OpenAI, and Silero VAD.
Full-Stack Engineering
MERN/MEAN stack expert building scalable applications with React, Next.js, Node.js, Laravel, and TypeScript end-to-end.
Real-time Communication
WebRTC, WebSockets, SIP/VoIP and multi-agent systems with Twilio, Asterisk, FusionPBX, and LiveKit.
Cloud & DevOps
AWS (Elastic Beanstalk, EC2, Lambda, S3, CodePipeline), Docker, CI/CD, Nginx, PM2, and distributed system management.
📈 Key Achievements
Professional Experience
6+ years delivering enterprise software across AI, full-stack, VoIP, and cloud infrastructure.
IT Curves
Senior Software Engineer — Team Lead
- Architected AI transportation voice bot handling 1,000+ concurrent calls with <2s response time
- Implemented intelligent caching reducing external API calls by 95%, cutting cost significantly
- Built multi-agent voice system with dynamic call transfer, context preservation, and STT error detection
- Led Next.js Interactive Voice AI Playground with embeddable widget for third-party integrations
- Deployed and managed AWS infrastructure (EC2, Elastic Beanstalk, S3, RDS, Load Balancers, CI/CD)
- Conducted code reviews, performance optimizations, and led cross-functional engineering teams
Senarios Private Limited
Senior Software Engineer — Team Lead
- Designed and developed enterprise-grade AI-powered call center management platform (PITB)
- Built 50+ microservices with real-time WebSocket communication and 90% code test coverage
- Developed comprehensive dashboard with 7,000+ lines of analytics logic and sub-2s updates
- Integrated AI transcription (AssemblyAI), QA scoring, RBAC with 24+ permission types
- Implemented Workforce Management module with shift, leave, and attendance automation
- Mentored team members in TypeScript, React, Python async, and Next.js best practices
Digitech Resources Group LLC
Software Engineer — Team Lead
- Delivered full-stack web solutions with Laravel, Angular, and Node.js
- Led team delivery of client projects on time and within budget
- Built and maintained RESTful APIs integrated with multiple third-party services
Our Services & Skills
End-to-end expertise across AI, full-stack engineering, cloud infrastructure, and team leadership — every skill, every layer.
AI Voice & Conversational Agents
Enterprise voice bots with 1000+ concurrent call capacity, <2s response, multi-agent handoffs, STT/TTS pipelines, VAD, spam filtering, noise suppression, and real-time cost monitoring.
Full-Stack Web Development
Production-grade applications with MERN/MEAN stacks, REST/GraphQL APIs, JWT auth, real-time dashboards, and responsive UIs from MVP to enterprise scale.
Real-time & VoIP Systems
WebRTC, SIP/VoIP, Asterisk PBX, FusionPBX integrations, WebSocket dashboards with sub-2s updates, call center platforms, MQTT messaging, and multi-agent communication.
AI & Machine Learning
LLM integrations, AI call transcription, call analytics (300,000+ algorithms), Graph Neural Networks, collaborative filtering, and Transformer-based NLP models.
Microservices & Backend APIs
Scalable microservices with JWT auth, Redis/Elasticache caching (80ms avg query time), Bull job queues, comprehensive logging, and 90% test coverage.
Databases & Data Management
SQL and NoSQL database design, MongoDB aggregation pipelines, Elasticsearch full-text search, Redis caching, DynamoDB, and optimized query performance.
Cloud, DevOps & CI/CD
Full AWS infrastructure, multi-cloud (Azure, GCP), Docker, automated CI/CD pipelines with quality gates, Nginx reverse proxy, PM2 process management.
UI/UX & Frontend Styling
Pixel-perfect responsive interfaces with motion design, component libraries, and accessibility best practices across web and mobile platforms.
Team Leadership & Engineering
Leading cross-functional teams of 5–10 engineers with Agile/Scrum, architectural design, code reviews, mentorship, and sprint planning that boosted productivity by 40%.
Email Platform Engineering
End-to-end email hosting platforms: users bring their own domain, create professional email addresses, and manage full mailboxes — all with industry-standard protocol support.
Security & Secret Management
Secure credential vaults, secrets managers, and access control systems. AES-256 encryption at rest, RBAC, audit logging, and structured secrets organization for API keys, passwords, and tokens.
Tech Stack
We choose the right tools for the job — modern, battle-tested, and production-ready.
Featured Projects
A selection of projects we have built — spanning AI, web, real-time systems, and beyond.
AI Transportation Voice Bot
Enterprise voice agent for ride booking via natural conversation. Handles 1,000+ concurrent calls with <2s response, 95% API cache optimization, multi-rider auth, payment verification, and real-time call transfer with full context.
Interactive Voice AI Playground
Next.js platform for real-time testing of AI voice agents. Features audio/text chat, embeddable widget for third-party sites, configurable agent settings, WebRTC communication, and multi-modal (voice + text) interaction.
PITB Contact Center Platform
Enterprise AI-powered call center unifying 5 legacy systems. 50+ microservices, sub-2s dashboard updates, real-time agent monitoring, intelligent queue management, AI transcription, QA scoring, RBAC, and Workforce Management.
Callgenie — Multi-Agent Voice System
Fully automated conversational Voice AI for inbound/outbound calls. Multiple specialized agents with seamless handoffs based on intent, spam filtering, dropped-call recovery, noise suppression, and natural human-like dialogue.
Convirza AI — Call Analytics Platform
AI-powered software revealing call insights with 300,000+ proprietary algorithms. Conversation analytics, campaign performance, lead quality scoring, and sales agent skill assessment at enterprise scale.
Outdone — AI Gift Recommender
AI-powered gift recommendation engine using collaborative filtering similar to Netflix. Graph Convolutional Neural Networks and Graph Attention Networks to match users with top apparel brands.
Coneqt.Live — Event & Live Streaming
Full platform for hosting events, selling tickets, and pay-per-view live streaming. Multi-platform (Web, Android, iOS) with AWS infrastructure, payment integration, and seamless streaming experience.
Numberhive — Telecom Platform
Consumer telecom platform for fair, simple phone number management. Focuses on reducing bloat, eliminating price gouging, and providing high-value service with serverless architecture.
SAP ERP with ML Integration
ERP system managing finance, manufacturing, BI/ML modules. A Machine Learning model generates compelling outputs from SAP inputs to aid client conversion, profit tracking, and data consolidation.
Text-10x — Customer Engagement AI
Customer engagement platform using AI, automation, and a live contact center to increase contact rates and sales conversions. Integrates Google Reviews, Facebook Reviews, and Facebook Page Messenger.
Mailbox — Professional Email Platform
Full-featured email hosting platform where users submit their domain and create professional email addresses of their choice. Supports SMTP, IMAP, and POP3 protocols with multi-tenant mailbox management and full email client compatibility.
Vaultify — Secrets Manager
Secure secrets management application for storing and organizing API keys, passwords, tokens, and credentials. Features AES-256 encryption at rest, role-based access control, structured secrets organization, and audit logging.
Let's Build Something Great
Have a project in mind? Let's talk. We're always open to new opportunities and collaborations.
Sanga Technologies
We're a passionate team ready to turn your idea into a production-ready product. Drop us a message and we'll get back to you promptly.