AVAILABLE · DUBAI, UAE

Rohith
Kumar

Technical Lead & Senior Backend Engineer — 15+ years designing and scaling distributed systems in C# / .NET Core, REST APIs and MS SQL Server across AWS cloud infrastructure.

api.rohithkumar.dev — interactive, try it
0+years_experience
0industries: telecom · ecom · enterprise
0+production_systems_shipped
CSMcertified_scrummaster
/experience

Where I've built

2024 — PresentDubai, UAE

Technical Lead / Senior Backend Engineer

Cygnus Telecom
  • Architected scalable RESTful APIs and microservices-oriented backend services powering business-critical telecom platforms — recharge systems and scratch card management.
  • Deployed and managed .NET applications on IIS across AWS-hosted Windows servers, cutting deployment incidents through standardised environments and CI/CD.
  • Led MS SQL Server schema design and performance tuning — query optimisation, indexing and stored procedures across high-traffic workflows.
  • Implemented secure payment and transactional workflows with strict authentication, authorisation and data-protection standards.
  • Led a distributed team: code reviews, coding standards and mentoring, while staying hands-on with critical backend components.
C#.NET CorePHP / LaravelREST APIsMS SQL ServerAWSIIS
2021 — 2024Dubai, UAE

Technical Lead

ThinkLab Communications
  • Led simultaneous delivery of 5+ concurrent projects, combining hands-on backend development with coordination across web and mobile squads.
  • Designed scalable backend systems and REST / JSON APIs in C# / .NET and Laravel for web, eCommerce and mobile — reducing integration defects through clear API contracts.
  • Delivered end-to-end Shopify eCommerce solutions with custom backend services, payment gateways and third-party APIs for UAE retail clients.
  • Acted as the technical bridge between stakeholders and engineering — delivery plans with effort estimates, risk assessments and specifications.
C#.NETLaravelShopifyMySQLGit
2012 — 2020Dubai, UAE

Software Engineer (C# / .NET)

WAFI Group
  • Delivered 5+ enterprise-grade applications across VAT management, eCommerce, restaurant reservations, fixed-asset tracking, container shipping and pool service management.
  • Owned the full backend lifecycle — ASP.NET logic, SQL Server data layers, stored procedures and indexing — cutting average page load times by up to 35%.
  • Reduced API response times through caching strategies, optimised data access and backend query tuning on high-traffic systems.
  • Implemented robust security controls: input validation, role-based access control and secure handling of sensitive business data.
ASP.NETMS SQL ServerMySQLJavaScriptCrystal Reports
2011 — 2012Dubai, UAE

Software Developer

Falkenherz Group

Web projects for UAE and Vienna-based clients — company sites, music platforms, eCommerce with PayPal, a mass-mailing application and an interactive job portal built on PHP, JSON and Google Maps v3.

2009 — 2011Dubai, UAE

Web Developer

Moviemedia

Developed and maintained company and client websites, optimising performance and user experience; managed server maintenance and backups for reliability and data integrity.

2008 — 2009Karnataka, India

Web Developer

Dabsphere Technologies

Built .NET modules for a Canadian client team; collaborated with senior developers on code reviews and debugging.

/projects

Key systems shipped

CYGNUS TELECOM

Thuraya Refill Platform

Backend APIs supporting high-volume telecom recharge transactions for Thuraya satellite subscribers — secure payment gateway integrations, fault-tolerant transactional workflows, and scalable order pipelines with audit logging.

LaravelMySQLREST APIsPayments
CYGNUS TELECOM

Scratch Card Management System

Full backend architecture managing scratch card inventory across large serial ranges — SQL Server models optimised for high-speed lookup and batch processing, RBAC, redemption workflows and full audit trails.

C#.NET CoreMS SQL ServerRBAC
WAFI GROUP · ALADDIN CONTAINERS

Container Management System

Enterprise platform for end-to-end yard and warehouse operations — container in/out tracking, weighment, stuffing/destuffing, cargo and rental workflows, inventory and inspections, integrated with ERP and financial reporting.

ASP.NETMS SQL ServerERP Integration
WAFI GROUP · COMPASS

POS & Pool Service Management

Operational platform managing customer contracts, service schedules and work orders — a scheduling engine tracking expected dates and variances, fault reporting and dashboards for data-driven decisions.

ASP.NETMySQLSchedulingReporting
/skills

Toolset

BACKEND & APIS

  • C# / .NET Core / .NET Framework
  • ASP.NET
  • PHP (Laravel)
  • REST / JSON API design
  • Microservices-oriented architecture

DATA

  • MS SQL Server — schema design
  • Stored procedures & indexing
  • Performance tuning
  • MySQL

CLOUD & INFRA

  • AWS (EC2, Windows Server, IIS)
  • CI/CD pipelines
  • High-availability deployment
  • Apache HTTP Server · Linux

ARCHITECTURE & SECURITY

  • Distributed backend systems
  • Scalable API architecture
  • RBAC & secure data workflows
  • Payment gateway integrations

FRONTEND & CMS

  • JavaScript · HTML / CSS
  • WordPress · Shopify · AEM
  • OpenAI API

LEADERSHIP

  • Team leadership & code review
  • Agile / Scrum / Waterfall
  • Stakeholder management
  • Risk & budget management
/credentials

Education & certification

CERTIFICATION

Certified ScrumMaster (CSM)

Scrum Alliance · Valid Sep 2022 – Sep 2026

EDUCATION

Master of Computer Applications (MCA)

Apex Institute of Management and Technology, Karnataka, India · 2011 – 2012

EDUCATION

Diploma in Computer Science & Engineering

Nitte Rukmini Adyanthaya Memorial Polytechnic, Karnataka, India · 2005 – 2008

LANGUAGES

English · Hindi · Kannada

Fluent · Proficient · Native

Let's build something reliable.

Open to technical leadership and senior backend engineering roles. Based in Dubai, UAE — available for on-site, hybrid or remote.