Harsh Lohia
Verified Expert in Engineering
Software Developer
Ajax, ON, Canada
Toptal member since June 22, 2022
Since 2010, Harsh has worked in the field of software development. He is a highly efficient and reliable professional with experience in the areas of finance, marketing, and manufacturing. Harsh has extensive experience in developing enterprise-grade scalable applications.
Portfolio
Experience
- Java - 12 years
- Spring Boot - 10 years
- PostgreSQL - 10 years
- Apache Kafka - 6 years
- Kubernetes - 6 years
- Node.js - 6 years
- NoSQL - 5 years
- React - 5 years
Work Experience
Principal Software Engineer
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- Developed integration with a 3rd-party automated telephony system to facilitate customer care support.
- Built features to help customer care better support the end consumer.
- Conducted research and development for libraries and found ways to improve our codebase.
- Designed and developed end-user experience and integrated the UI with the back end.
- Designed and developed services to support a new loan product.
Senior Software Engineer
Oracle
- Designed and developed apps to integrate in-house and third-party systems with the Oracles marketing automation platform.
- Streamlined a CI/CD pipeline to reduce deployment time with minimal manual intervention.
- Designed and developed extendable and reusable UI components using React.
Lead Full-stack Developer
Sherwin-Williams
- Designed and developed a global workflow application to onboard third-party agreements.
- Worked on enhancing the exiting invoice processing automation tool to support different countries.
- Automated the translation of agreements from any language to English.
Full-stack Developer
Tata Consultancy Services
- Designed and developed an external customer portal for Eaton Corporation.
- Automated frequent processes that required manual intervention, reducing the time to complete these processes from a few hours to minutes.
- Migrated Oracle reports to JasperReports, an open source Java reporting engine.
- Worked on maintaining and enhancing the existing suite of Java-based applications.
- Developed a custom SSO server to be able to authenticate to all internal applications using a single login credential.
- Developed a custom SAML solution to authenticate and authorize users to external applications.
- Developed an access client custom WebGate, using OAM (Oracle Access Manager) SDK for securing the web app through OAM, where using out-of-the-box WebGate was impossible.
Project History
Integration with a Third-party Telephony System
B2B Marketing Automation
Global Distributor Onboarding Workflow App
Certifications
AWS Certified Developer
Amazon Web Services (AWS)
Skills
Libraries/APIs
React, Node.js, Stripe, Stripe API, Stripe Connect, REST APIs, Twilio API, JAX-WS, Vue, Three.js, OpenAI API
Tools
Kafka Streams, ActiveMQ, Apache Maven, IntelliJ IDEA, Jenkins, AWS Step Functions, GitLab CI/CD, Oracle SOA Suite, AWS CodeDeploy, Terraform, Auth0, Amazon Simple Queue Service (SQS), Claude, Claude Code, Salesforce Sales Cloud, Oracle Access Manager (OAM)
Languages
Java, Python, GraphQL, TypeScript, JavaScript, CSS, HTML, SQL, SAML
Frameworks
Spring Boot, Oracle ADF, Spring, Hibernate, OAuth 2, JSON Web Tokens (JWT), Angular, Next.js, Bootstrap, React Native, NestJS, Django, Express.js
Paradigms
Agile Software Development, REST, Microservices, Agile, UI Design, Test-driven Development (TDD), Database Design, Testing, Serverless Architecture, ETL, Asynchronous Programming, DevOps, Responsive Web Design (RWD)
Platforms
Docker, Apache Kafka, Oracle, Amazon Web Services (AWS), Twilio, Kubernetes, AWS IoT, AWS Lambda, Azure, AWS IoT Core, Oracle WebCenter Portal
Storage
PostgreSQL, MySQL, Database Management, NoSQL, Oracle Cloud, Redshift, MongoDB, Redis
Other
Oracle BPM, SOAP, SAML-auth, Back-end, APIs, Full-stack, Front-end, Architecture, User Experience (UX), User Interface (UI), Software Architecture, Web Development, OAuth, Single Sign-on (SSO), Code Review, Source Code Review, Task Analysis, Technical Hiring, API Integration, Webhooks, Software Design, Integration, SaaS, Process Automation, PDF, System Architecture, SDKs, Back-end Development, CI/CD Pipelines, Containerization, RESTful Services, Data Structures, Serverless, Identity & Access Management (IAM), Two-factor Authentication (2FA), RESTFul APIs, Transport Layer Security (TLS), Full-stack Development, API Design, Server Architecture, System Design, Email Integration, SMS, Hands-on Implementation, High Code Quality, Scaling, Software Engineering, Fintech, Genesys, Dashboards, Technical Leadership, Interviewing, AWS CodePipeline, Leadership, Scalability, Performance, Cloud, Security, IT Security, Data Extraction, Database Optimization, Performance Optimization, Startups, OpenAI GPT-4 API, Payment APIs, AI Tools, AI Integration, Cursor AI, Workflow, Infrastructure, Artificial Intelligence (AI), Large Language Models (LLMs), Digital Banking, Relational Database Services (RDS), eCommerce, Scraping, Web Scraping
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