Technical Lead  /  Web & App Platform Engineering  /  Mobile & Full Stack

Dhinakaran D G S

Technical Lead and Full Stack Engineer with 2.5+ years delivering production-grade web portals, e-commerce payment platforms, mobile applications, and AI-integrated systems across SaaS, govtech, and consumer finance domains.

~1MActive Users Served
$6M+Monthly E-Commerce Revenue
80+Screens Migrated
4Concurrent Engagements
Scroll
Professional Summary

Proven track record leading cross-platform mobile re-engineering — full Xamarin-to-.NET MAUI migration covering 80+ screens, native biometric integration, and tokenised payments (Google Pay, Apple Pay, virtual card) — supporting ~1M active users and $6M+ monthly e-commerce revenue. Experienced in building and managing multi-tenant web portals with React/TypeScript frontends, .NET 6 MVC ASP.NET backends, and AWS infrastructure automation. Leads architecture standards, sprint cycles, code review gates, and end-to-end platform delivery across concurrent client engagements.

Areas of Expertise

A cross-disciplinary skill set spanning frontend, mobile, backend, payments, cloud AI and delivery leadership.

Web & Frontend Tech

React, TypeScript, Redux Toolkit, streaming UI, responsive web.

Mobile Engineering

.NET MAUI, Xamarin.Forms, MVVM, native biometrics, offline sync.

Backend & APIs

.NET 6 MVC ASP.NET, REST, BFF orchestration, WebSockets, CI/CD.

E-Commerce & Payments

Google Pay, Apple Pay, Marqeta Virtual Card, Stripe billing.

AI & Cloud AI

AWS Bedrock, RAG, NL-to-SQL, vector search, LLM orchestration.

AWS Infrastructure

Step Functions, EC2, S3, CloudFront, WAF, SageMaker.

Databases

PostgreSQL, pgvector, MySQL, RDS, MongoDB, Firebase.

Identity & Access

JWT, OAuth, RBAC, Keycloak, role-gated routing.

Testing & Observability

xUnit, NUnit, Jest, React Testing Library, CloudWatch.

Delivery & Leadership

Architecture standards, sprint leadership, hypercare ownership.

Work Experience

Leadership and delivery across two organisations, from trainee engineer to technical lead.

01
Jan 2026 — Present

Technical Lead

ZEB · Sister Concern of AVASOFT, Chennai
  • Led architecture and technical delivery across 4 concurrent client engagements — spanning web portal and e-commerce platforms, AI-driven SaaS, govtech intelligence systems, and mobile applications — delivering all 4 within a 7-month window with 0 missed delivery milestones.
  • Maintained continuous ownership of a high-traffic consumer e-commerce mobile platform through company transition — zero disruption to the 4-week release cadence, sustaining 15+ store releases and ~1M user production uptime.
  • Drove end-to-end technical delivery across React frontends, Python REST API backends, and AWS infrastructure (Step Functions, Bedrock, SageMaker) — spanning AI, SaaS, and govtech domains.
02
Aug 2025 — Jan 2026

Technical Lead

AVASOFT, Chennai
  • Defined and enforced engineering standards across 3 concurrent client engagements — established GitFlow branching strategy, PR review gates with mandatory 2-reviewer approval, SOLID-aligned coding standards, and API versioning conventions adopted team-wide within the first sprint.
  • Led 4-week sprint cycles across a 6-engineer team — ran planning, daily standups, and retrospectives, maintaining an average sprint velocity improvement of 20% over 3 consecutive sprints.
  • Mentored 6 junior and mid-level engineers on web portal architecture, MVVM patterns, and BFF standards — reducing code-review iteration cycles by 40% within 2 months of onboarding.
03
Aug 2024 — Aug 2025

Software Engineer

AVASOFT, Chennai
  • Delivered 12+ sprint-bound feature modules end-to-end across web portal and mobile platforms — maintaining zero critical defect escapes across 8 consecutive 4-week sprint cycles.
  • Built and optimised 15+ .NET 6 MVC ASP.NET BFF endpoints handling service composition across 20+ downstream microservices — reduced average API response latency by 30% through async pipeline optimisation and response caching.
  • Maintained 85%+ unit test coverage across payment-critical flows — authored test plans, participated in 100+ code reviews, and enforced ProblemDetails error contract standards across all BFF endpoints.
04
Feb 2024 — Aug 2024

Trainee Engineer

AVASOFT, Chennai
  • Completed structured 6-month onboarding across web portal development, .NET 6 MVC ASP.NET, and AWS deployment tracks — contributed to 3 production-bound sprint deliverables within the first 8 weeks.
  • Ramped into a large-scale Xamarin codebase within 4 weeks — conducted screen-by-screen inventory of 80+ screens as part of migration assessment, identifying 12 high-complexity screens requiring custom renderers.
  • Achieved 100% on-time closure rate for assigned bug triage and module patching tasks across the first 3 sprints under senior engineering mentorship.

Key Engagements

Selected platform-scale initiatives led end-to-end across mobile, web and cloud infrastructure.

01
Apr 2024 — Present

Consumer Finance E-Commerce Mobile Platform

Re-Platform & Payments
  • Conducted a full mobile codebase audit across 80+ screens — categorised into 3 migration complexity tiers, produced a wave-based migration roadmap across 4 phased releases, and led full execution with zero downtime and zero regression escapes.
  • Held end-to-end platform ownership across the mobile UI and BFF layer orchestrating 20+ downstream microservices spanning payments, leasing, and inventory — serving ~1M active users at $6M+ monthly revenue.
  • Built tokenised payments flow net-new: integrated Google Pay SDK, Apple Pay APIs, virtual card SDK, and Tap & Pay — reducing checkout friction across 3 payment methods in a single unified mobile flow.
  • Integrated native biometrics (Face ID / Touch ID / Fingerprint) and 5+ third-party SDKs directly into the mobile app layer, replacing legacy SDK bindings across all 5 integrations.
  • Architected the BFF with resilience patterns (retry/timeout/circuit-breaker), RBAC, versioned endpoints, and error contracts — reduced unhandled error rate by 60% post-refactor.
  • Managed 15+ end-to-end App Store and Google Play Store releases on a 4-week sprint cycle — 100% store compliance, zero critical post-release defects, sustaining $15M+ single-day peak revenue.
02
Jan 2026 — Feb 2026

Multi-Tenant Web Portal & SaaS Infrastructure Automation

  • Architected a multi-tenant SaaS web platform for 10+ tenants requiring fully isolated, production-grade infrastructure provisioned on demand in under 15 minutes — replacing a manual 2–3 day per-tenant setup process.
  • Built the Python REST API backend with JWT-based authentication, RBAC-gated admin operations, structured error contracts, and retry handling; led the AWS Step Functions infra spin-up pipeline across S3, CloudFront, ALB, WAF, EC2, RDS, Secrets Manager, Security Groups.
  • Designed S3-hosted centralised branding model eliminating redeployment for all tenant branding updates.
03
Mar 2026 — Apr 2026

AI Platform — GPU-to-Cloud Migration & Web UI Delivery

  • Led end-to-end migration of training and inference workflows to AWS Neuron SDK on EC2 Trainium — reduced compute cost by 40%+ with no loss of model performance across 500M–7B parameter models.
  • Delivered a web UI for end-users to upload inputs, trigger generation, and play back outputs, plus a real-time monitoring dashboard for the ML team — built on React with streaming status surfaced via WebSocket.
04
Dec 2025 — Apr 2026

Govtech Records Intelligence Platform

Web Portal & NL-to-SQL
  • Architected and built a React frontend and Python REST API backend converting 80+ years of static PDF municipal records into a natural-language-queryable intelligence system — live with a U.S. municipality as public reference customer.
  • Built hybrid NL-to-SQL and RAG pipeline on AWS Bedrock with 95%+ query coverage across both retrieval paths; implemented access-scoped retrieval ensuring 100% query isolation per user role.
  • Delivered streaming response layer surfacing results progressively in the React chat UI — reducing average query-to-response time by 35%.
05
Mar 2026 — Jul 2026

AI-Driven SaaS Platform

V1-to-V2 Migration, Billing & Agentic Web UI
  • Led full V1-to-V2 customer base migration phased across 3 cohorts — achieved 100% customer migration with zero data loss and under 2 hours of planned downtime per cohort.
  • Built and owned the agent core service implementing the platform's agentic AI loop across 5 workflows, with multi-step LLM reasoning on AWS Bedrock, streamed via Pydantic-validated response contracts, and Redux Toolkit managing state on the React frontend.
  • Led Stripe billing configuration across Sandbox and Production for 3 pricing tiers; achieved 85%+ UI test coverage with Jest and React Testing Library ahead of each phased release.

Achievements

Measurable outcomes across platform scale, delivery discipline, and innovation.

01

Led mobile re-platform of 80+ screens across 4 phased waves with zero downtime — supporting ~1M active users and $6M+ monthly revenue.

02

Managed 15+ App Store & Google Play releases on a 4-week cycle — 100% store compliance, zero critical post-release defects.

03

Delivered 4 concurrent client projects within 7 months across AI, SaaS, and govtech — 0 missed delivery milestones.

04

Filed patent as sole author — Reality Rewired — while managing 8 startups and a 22-person team across 3 product launches.

Education & Certifications

Academic foundation and continued professional certification.

  • Bachelor of Engineering — Computer Science & Engineering
    Rajalakshmi Institute of Technology, Kuthambakkam, Chennai · 2020–2024 · CGPA 8.21
  • Higher Secondary Certificate (HSC)
    A.C. Shanmugam Groups, Irumbedu, Arni · 2019–2020
  • Certified Data Analyst
    SetConnect Global, USA · May 2023
  • Certified in Product Management
    Skill Nation · July 2022
  • Certified in Digital Marketing
    Google · June 2023

Early Career & Campus Leadership

Foundations built through internships and cross-functional campus leadership roles.

Apr 2022 — Jul 2022
Android Developer
HOGIST Food Tech

Optimised the Android order-tracking app — 3 features shipped, 70% UI/UX improvement, defect rate down 50%.

Nov 2021 — Apr 2022
Android & Web Developer
Madras Defence Academy

Built a ReactJS web portal and native Android app end-to-end, serving 100% of admin and student workflows.

Jul 2022 — Nov 2022
Software Developer
TaxiWars

Delivered full-stack features across 4+ product modules in a remote agile team — 100% sprint tickets on schedule.

May 2022 — Feb 2024
President & Manager, EDC / TBI
Rajalakshmi Institute of Technology

Led 8 incubated startups as President, and a 22-person team building 3 institutional products as Manager.

Get in Touch

Open to leading the next platform-scale engineering challenge.

Email — dhinakarandgs23@gmail.com LinkedIn dhinakaran.site Chennai, India