Looking for opportunities to build and ship production-ready software, contribute to scalable full-stack and AI-powered applications, and collaborate with high-performing engineering teams. Excited to work on React, Node.js, and modern web technologies while continuously learning and making measurable impact through quality code and automation.
Open to opportunities
Mandapalli Sai harshitha
@saiharshitham
Full-stack software engineer shipping React and Node features for live SaaS.
IndiaWhat I'm looking for
I’m a full-stack software development engineer with 1 year of production experience building and shipping React.js + Node.js features for a live SaaS product. I’ve delivered 4 deployed MERN projects with GitHub Actions CI/CD, JWT authentication, and MongoDB at scale.
In my role at Inncircles Technologies, I engineered 10+ React.js UI components and Node.js/Express.js REST APIs across scheduling, approvals, RFI, and work-package modules—shipping changes to production with zero rollbacks across 4 releases. I’ve also reduced open defect count by 30% across 2 sprints by fixing React rendering issues and backend bugs through pair-programming.
I focus on measurable outcomes: I optimized backend performance using MongoDB aggregation pipelines to reduce average query execution time by 30%, defined Express.js API contracts with backend engineers to achieve zero integration defects for 3 consecutive sprints, and supported reliable delivery within a 6-person Agile Scrum squad on Jira.
Experience
Work history, roles, and key accomplishments
IL
Software Engineer
Inncircles Technologies Pvt. Ltd.
May 2025 - Jun 2026 (1 year 1 month)
Built scalable backend features using Node.js and Express across 3+ product modules. Optimized MongoDB queries, improving API performance by 20%. Developed 30+ REST APIs and resolved integration issues before release. Reduced defects by 30% through debugging and leveraged GPT-4o to automate test case generation, reducing manual effort by 80%.
OI
Web Developer Intern
Oasis Infobyte
May 2023 - Jun 2023 (1 month)
Refactored shared React.js UI components to cut average page-load time by 20% and reduce component duplication by 35% by eliminating redundant API calls. Applied DRY and SOLID principles to restructure 5+ shared components, improving maintainability and team iteration speed.
Education
Degrees, certifications, and relevant coursework
Vignan's Institute of Information Technology
Bachelor of Technology, Computer Science and Engineering
2021 - 2025
Grade: CGPA 9.01/10.0
Earned a B.Tech in Computer Science and Engineering (top 10% of the CSE cohort) from Nov 2021 to May 2025 with a CGPA of 9.01/10.0.
Tech stack
Software and tools used professionally
Availability
Open to opportunities
Location
IndiaAuthorized to work in
Salary expectations
8k-10k USD
Job categories
Skills
TypeScriptNext.jsReduxDockerAWSCI CDPrismaRedisBullMQExpressJSSupabaseCSSJavascript (ES6)JavaPythonSQLReactReact HooksContext APIReact RouterHTML5TailwindChart.JsResponsive DesignRESTful API DesignJWTSocket.IOMVCMongoDBMySQLSchema DesignIndexingAggregation PipelinesCRUD OperationsGitGitHubBitbucketGitHub ActionsBitbucket PipelinesVercelNetlifyRenderJiraPostmanES6JSONJavaScriptNodeJS
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