Ravikumar Sankar
Software Developer
6+ years exp
Node JS
JavaScript
TypeScript
Data Layer & Database: 4/10
System Architecture: 4/10
Reliability & Observability: 4/10
Active 2 days ago
+91 (9123) 580021
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Overview
Technical skills
Timeline
Roles
Overview
Fullstack web developer (middle-level) focusing on graph-backed tooling and data visualizations with a solid backend-API and integration skillset. The strongest proven skill is building reliable server-side graph APIs with safe Neo4j usage and session management, demonstrated in server/src/database.ts and server/src/graphService.ts. Public code shows polished UI styling and visual work, but little original React component architecture, automated tests, or measurable performance/a11y artifacts are present.
Technical skills
Node JS• Middle
JavaScript• Middle • 6y+
TypeScript• Middle
Node JS
Express
Databases
Neo4j
Databases
Frontend
Material UI
npm
Redux
Webpack
Vite
D3.js
React.js• 4y+
RxJS• 4y+
styled-components
Redux Toolkit
Tailwind CSS
DevOps
Git
CI/CD
Rest API
Design
Figma• 4y+
QA
Jest
AI/ML
Copilot
Analytics
Power BI
Timeline
Software Engineer II
•
Middle
Opsera
•
Full-Time
Owned fullstack delivery for an enterprise DevOps/analytics automation platform, building reusable React and TypeScript UI components for charts, dashboards, and export features. Led a legacy-to-v2 UI migration with data parity and reduced migration-related support load. Optimized REST API data flows to improve rendering performance and shipped a reusable PDF export component across multiple views.
React.js
TypeScript
Rest API
Software Developer
•
Middle
Dataterrain Inc
•
Full-Time
Built accessible React applications with a focus on WCAG 2.1 compliance and improved key performance metrics. Standardized REST API integration using RTK Query patterns to reduce API-related defects. Improved delivery speed via CI/CD automation and added client-side monitoring to accelerate incident triage.
React.js
Tailwind CSS
Rest APIsince 2025
Redux Toolkit
CI/CD
Associate Product Developer
•
Middle
Lumel
•
Full-Time
Developed interactive reporting modules for an enterprise analytics suite using React and configuration-driven business logic. Improved runtime performance by applying reactive data flows and optimizing module behavior. Integrated Microsoft Graph API with SSO and resolved a large set of UI/UX defects across the product.
React.jssince 2022
RxJS
Anna University
Bachelor's Degree •
Information Technology
Web Developer Intern
•
Junior
Applex.in (Utsav)
•
Internship
Built dynamic HTML form flows backed by Firebase CRUD operations to improve user form completion outcomes. Worked on client-side behavior to support interactive input experiences and data persistence through Firebase.
Firebase
Middle Backend Developer
Confidence: Medium API Engineer
API-focused backend developer at a Middle level specializing in small graph-backed REST services; the strongest proven skill is modeling and operating Neo4j-based APIs as shown by server/src/graphService.ts and server/src/seed.ts; there is little public evidence of production-grade migrations, authentication/authorization, automated tests, or observability pipelines.
API Design
3/10
How well APIs are designed
Practical, consistent REST API surface with basic error handling and a safe wrapper, but no versioning, pagination, or idempotency strategy.
Evidence
VectorShift/server/src/index.ts: safe(handler) wrapper that centralizes error handling and returns consistent error payloads
VectorShift/server/src/index.ts: route handlers for /api/roles, /api/roles/:role, /api/search with 404 and error responses
Data Layer & Database
4/10
Working with databases
Deliberate use of parameterized Cypher, uniqueness constraints and a configured driver pool shows DB awareness; lacks migration history and explicit transaction management.
Evidence
VectorShift/server/src/database.ts: neo4j.driver configured with maxConnectionPoolSize: 20 and env var checks
VectorShift/server/src/graphService.ts: parameterized run() wrapper and Cypher queries using parameters
VectorShift/server/src/seed.ts: CREATE CONSTRAINT ... IF NOT EXISTS and MERGE/UNWIND usage to build schema
Scalability & Performance
3/10
Handling load and speed
Some scalability-minded choices such as driver pool sizing and query limits are present, but no caching, queuing, or documented performance tuning.
Evidence
VectorShift/server/src/database.ts: driver created with maxConnectionPoolSize: 20
VectorShift/server/src/graphService.ts: queries using ORDER BY ... LIMIT (getSkillPairs) to limit result sets
System Architecture
4/10
Overall system structure
Clear module boundaries (database, graphService, index, seed), environment-driven configuration, and graceful shutdown are implemented, though the overall architecture is a small single service.
Evidence
VectorShift/server/src/database.ts: central DB module exposing driver, verifyDatabase, closeDatabase
VectorShift/server/src/index.ts: imports graphService functions and registers routes; process.on('SIGTERM') closes DB
Security & Auth
3/10
Protecting data and access
Basic security hygiene is visible (env var validation, parameterized queries, use of neo4j.auth.basic) but there is no authentication, authorization, or secrets lifecycle management.
Evidence
VectorShift/server/src/database.ts: checks for COGNODB_URI/USERNAME/PASSWORD and uses neo4j.auth.basic
VectorShift/server/src/graphService.ts: all Cypher calls use parameters rather than string interpolation
Reliability & Observability
4/10
Stability and monitoring
Reasonable reliability measures are present including a health endpoint, centralized error handling, and graceful DB close on SIGTERM, but observability (metrics/traces) and retry strategies are not present.
Evidence
VectorShift/server/src/index.ts: /api/health endpoint that calls verifyDatabase()
VectorShift/server/src/index.ts: safe wrapper that logs errors and returns a known error code; process.on('SIGTERM') calls closeDatabase()
Expertise
Node.js• Middle
Microservices & API Architecture• Middle
Technologies
Databases
Node JS• Middle
Rest API
Neo4j
Express
Recommendations
- Develop REST or GraphQL APIs that expose graph traversals and insights backed by Neo4j, focusing on parameterized queries and schema constraints.
- Implement authentication/authorization and request-level validation for public endpoints and add integration tests to cover critical query paths.
- Add observability (metrics and traces) and robust retry/backoff strategies for DB connectivity to harden reliability in production.
- Lead small internal services or prototypes that integrate graph queries with frontend exploration features
Repositories
The developer's experience in this domain has been verified based on AI analysis of the following repositories:
Middle Frontend Developer
Confidence: Medium Fullstack
Fullstack web developer (middle-level) focusing on graph-backed tooling and data visualizations with a solid backend-API and integration skillset. The strongest proven skill is building reliable server-side graph APIs with safe Neo4j usage and session management, demonstrated in server/src/database.ts and server/src/graphService.ts. Public code shows polished UI styling and visual work, but little original React component architecture, automated tests, or measurable performance/a11y artifacts are present.
UI Component Architecture
2/10
How interface parts are built
Minimal explicit component architecture in author-written frontend code; mostly styling and integration with a third-party visual (foam/tree) and a clear server-driven API surface.
Responsive & Cross-browser
4/10
Works on all screens and browsers
Responsive CSS and breakpoints are present (media queries and mobile layout adjustments), but no evidence of advanced cross-browser feature detection or RTL/i18n work authored by the developer.
Performance Optimization
3/10
Speed of the interface
Some server-side performance attention (connection pool size) and safe session handling for DB queries; frontend performance tuning or measured optimizations are not evidenced in original files.
Accessibility & Semantics
2/10
Usable for everyone
Little direct accessibility evidence authored here; semantic CSS and basic controls exist but no ARIA, focus-management or a11y CI artifacts authored by the developer.
State Management & Data Flow
3/10
Managing data in the app
Server-side state discipline is reasonable: parameterized Cypher queries, session life-cycle handling, and a small, consistent graph service layer; client-side server-state cache or advanced async discipline is not present in the inspected author files.
UX & Visual Polish
5/10
Look and feel quality
Good UX polish in authored CSS (skeletons, spinner, error/empty states, modal and responsive layout), indicating attention to perceived performance and edge states on the UI side.
Verified artifacts
Expertise
React• Middle
Technologies
Redux
Webpack
Tailwind CSS
D3.js
RxJS• 4y+
CI/CD
Git
React.js• 4y+
Vite
npm
Material UI
Redux Toolkit
Recommendations
- Develop graph-backed SPA features and API endpoints that require multi-hop Cypher traversals and typed server responses (use the existing server/src/graphService.ts as foundation).
- Implement UI components and state machines in React + TypeScript (client/src/) to encapsulate graph exploration flows and offline/edge states for better testability and reuse.
- Instrument performance and UX (LCP/INP, bundle-sizes) and add basic a11y checks (axe/eslint-plugin-jsx-a11y) and unit/integration tests for critical flows (search, role graph).
Repositories
The developer's experience in this domain has been verified based on AI analysis of the following repositories:
Middle QA Engineer
Confidence: High Generalist
Middle frontend developer specializing in React form-driven applications and UI component composition. The strongest proven skill is form state and validation design, demonstrated by invoiceFormState and validationSchema in src/utils/invoiceServices.js. There is no evidence of automated test suites, CI/test integration, API contract testing, or performance/load engineering in the public artifacts.
Test Automation Frameworks
1/10
Building automated tests
Minimal test automation artifacts; only a test script entry and a test setup file exist without fixtures, mocks, or structured test suites.
Test Coverage & Strategy
1/10
What and how to test
No visible test strategy, risk-based tagging, negative-path or property-based tests; only basic test runner wiring is present.
API & Integration Testing
Testing how parts work together
Not evidenced in public code
Performance & Load Testing
Testing speed under load
Not evidenced in public code
Bug Reporting & Analysis
Finding and describing bugs
Not evidenced in public code
CI Test Integration
Running tests automatically
Not evidenced in public code
Technologies
JavaScript• Middle • 6y+
TypeScript• Middle
Jest
Recommendations
- Develop form-heavy internal applications and admin tooling where robust form state and validation are required.
- Build and own a component library and design system to consolidate selectors, accessibility, and consistent styling across pages.
- Add automated tests (unit and integration) around form behavior and validation, then integrate them into a CI pipeline with per-test artifacts and targeted retries.
Repositories
The developer's experience in this domain has been verified based on AI analysis of the following repositories: