Sonu Kumar

Senior Software Engineer

Hyderabad, Telangana, India4 yrs 9 mos experience
AI EnabledAI ML Practitioner

Key Highlights

  • Expert in building scalable, user-friendly applications.
  • Proven track record in automating complex workflows.
  • Strong background in full-stack development with modern frameworks.
Stackforce AI infers this person is a Full-Stack Developer specializing in SaaS and Fintech solutions.

Contact

Skills

Core Skills

.net CoreReactC#Asp.netNode.jsAwsShopifyGraphqlSqlWebsockets

Other Skills

.NET ArchitectureAWS LambdaAgile MethodologiesAmazon Web Services (AWS)Artificial Intelligence (AI)Automated Subscription Renewal FlowCampaign Assistant EnhancementCascading Style Sheets (CSS)Cross-Channel Dashboard OptimizationDIY Dashboard ModuleDocker SwarmElastic Stack (ELK)Email Template DesignerEntity FrameworkGIT Source Control

About

I am a Senior Software Engineer with a strong focus on building scalable, optimized, and user-friendly applications. I have expertise in .NET Core, React with TypeScript, and MySQL, along with a solid understanding of data structures, algorithms, design patterns, and SOLID principles. I enjoy solving complex problems and developing efficient solutions that enhance performance and maintainability. Check out my portfolio here: https://devsonuk.github.io/ My proficiency extends across a wide spectrum of technologies: • Programming Languages: C#, Java, Python, SQL, TypeScript, JavaScript, HTML, CSS • Frameworks: .NET Core, ASP.NET MVC, Node.js, React.js, Next.js, Vue.js, Nuxt.js, jQuery, Ant Design, Material-UI • Database Management: SQL Server, MySQL, Oracle, MongoDB, Firebase, Redis • DevOps and Tools: Jira, Git, Jenkins, Docker, Kubernetes, AWS, Elastic Stack • Testing Expertise: BDD, TDD, Specflow, Integration Testing • Others: Data Structures Algorithms, Agile/Scrum, Object-Oriented Design, Design Patterns, SOLID Principles

Experience

4 yrs 9 mos
Total Experience
1 yr 9 mos
Average Tenure
1 yr 2 mos
Current Experience

Leoforce

Senior Software Engineer

Apr 2025Present · 1 yr 2 mos · Hyderabad, Telangana, India · On-site

Leadsquared

Senior Software Engineer

Jun 2024Apr 2025 · 10 mos · Bengaluru, Karnataka, India · On-site

  • Developed an Automated Subscription Renewal Flow, automating draft creation, approvals, notifications, and legal document generation with HyperStart, cutting manual efforts by 80% and increasing efficiency by 75%.
  • Developed a Project Tracking Module similar to Trello, featuring interactive visualizations and workload tracking.
  • Enabled real-time project tracking and management with Rocketlane integration, reducing capital leakage by 40%.
  • Migrated a legacy ASP.NET web app to a React-based frontend, ensuring backward compatibility with the existing system. Developed reusable components, optimized hooks, implemented authentication and role-based authorization, and set up a multi-region deployment from scratch to production, enhancing user experience and maintainability.
  • Developed a scalable Real-time Notification Service, enabling seamless event-driven alerts for usage monitoring, payment reminders, and transactional notifications, handling 100K+ notifications per month.
Automated Subscription Renewal FlowProject Tracking ModuleReact-based frontend migrationReal-time Notification Service.NET CoreReact

Deltax

3 roles

Product Engineer

Oct 2023Jun 2024 · 8 mos

  • Developed a Workflow Designer Module, enabling customers to design comprehensive promotional campaign workflows for different customer segments using a drag-and-drop interface.
  • Built a Email Template Designer, tailored for promotional campaigns, allowing customers to design templates via a drag-and-drop editor. Integrated Shopify, enabling dynamic product injection from stores into templates.
  • Integrated Shopify with the system by developing a Shopify App and a microservice to facilitate customer account linking, data synchronization, and automated journey tracking with action execution.
  • Developed a Microsite for Cadbury’s ThisAdIsMyStore campaign, allowing users to register, create store, generate catalogs, and purchase item via QR code scanning, achieving remarkable outcomes with 5 million visits, engaging over 200,000 users, and involving more than 50,000 stores.
Workflow Designer ModuleEmail Template DesignerShopify IntegrationMicrosite DevelopmentReactNode.js

Associate Product Engineer

Aug 2021Sep 2023 · 2 yrs 1 mo

  • Developed a DIY Dashboard Module, an interactive drag-and-drop designer enabling rapid analytics and data exploration with a visual query builder and customizable chart generation.
  • Optimized the Cross-Channel Dashboard by migrating REST to GraphQL and optimizing the AdDailyFacts table with indexing and partitioning, reducing page load time from 8s to 1s.
  • Developed a Real-time Customer Support System using WebSockets for instant query resolution.
  • Integrated Azure Vault into the CI/CD pipeline, centralizing secrets and enabling dynamic configuration injection during Jenkins deployments.
  • Built a Task Management Module (similar to JIRA) for tracking marketing tasks, with effort logging, role-based access, and automated notifications, enhancing efficiency and reducing costs by 75%.
  • Developed multiple SDKs for authentication, session management, and model generation for third-party ad APIs (Google, Facebook, Snapchat), ensuring seamless microservice integration.
  • Developed a Spend Confirmation Module, allowing customers to configure budget limits across campaigns and take proactive actions when thresholds are exceeded, optimizing ad spend and prevent overspending.
  • Automated Invoice Generation, from draft creation to client approval, with payment gateway integration.
  • Developed an Invoice Generation Module, automating draft creation with accurate GST application based on client location and category, along with client approval, payment QR code generation, and confirmation.
DIY Dashboard ModuleCross-Channel Dashboard OptimizationReal-time Customer Support SystemTask Management ModuleReactNode.js

Product Engineering Intern

Feb 2021Jul 2021 · 5 mos

  • Played a significant role in the enhancement of the Campaign Assistant, an AI-driven module dedicated to generating insightful analyses of campaign performance.
  • Integrated OAuth 2.0 and JWT-based authentication into the DeltaX API and Web App.
  • Engaged in GIT source control processes, ensuring code integrity and collaboration.
Campaign Assistant EnhancementOAuth 2.0 IntegrationGIT Source Control

Education

Techno Main - Salt Lake

Bachelor of Technology - BTech — Computer Science

Aug 2017Aug 2021

PCHS, Samastipur

Senior Education (12th) — CBSE

Apr 2014Mar 2016

Trident Public School, Muzaffarpur

Secondary Education (10th) — CBSE

Apr 2013Mar 2014

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