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vishnu8989

Vishnu Singh

@vishnu8989

Backend Engineer

India
English
About me
I build custom, hosted web trackers and dashboards — study trackers, habit trackers, checklists, team tools — with real databases behind them, not local storage that disappears. I design the data model around what you're tracking, add secure logins and scalable databases when needed, and can build AI features like smart feedback or a live chatbot into your dashboard. Clean code, fast pages, mobile-friendly design, clear communication before I start — no surprises mid-project. Message me first if unsure which package fits.... Read more

Skills

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vishnu8989
Vishnu Singh
Offline • 

See my services

Custom Websites
I will build systems providing solution to your problems
From$85 / projectMore details

Work experience

Accenture

Associate Software Engineer

Accenture • Full-time

Nov 2023 - Present • 2 yrs 11 mos

Backend Engineer (Python) | Accenture – AIMS (AI Infrastructure Monitoring System) Nov 2025 – Present • Built 16 REST API endpoints across AgentOps, ModelOps, and KnowledgeOps (management, observability, FinOps, safety, inventory) — from FastAPI router to data service — processing 1M+ daily measurements from 50+ AI agents. • Engineered dynamic FinOps cost engine aggregating $50K+/month spend across 5 cloud services (AWS Bedrock, SageMaker, Databricks, EC2, S3) with per-model per-region unit prices from PostgreSQL and token-level attribution (input/output tokens, CPU vCPU-hours, memory GB-hours). • Built ModelOps inventory APIs surfacing 8 real-time metrics per resource (P95 latency, 4XX/5XX errors, guardrail intervention rate, GPU/CPU/memory) over a 2M+ document MongoDB collection with filtering, sorting, and pagination. • Reduced query latency by 85% (3.5s → <500ms) using asyncio.gather for 3–5 concurrent DB calls and MongoDB $facet aggregations, cutting round-trips 7x. • Worked across a platform with Azure AD (MSAL) + OpenID Connect SSO, 3-level multi-tenant data scoping (Client → Project → Environment), stateful alert engine with breach tracking and notification queuing, and Redis-backed cache warmup. • Tech: Python, FastAPI, asyncio, REST APIs, SQLAlchemy, PostgreSQL, MongoDB, AWS (Bedrock, SageMaker), Databricks, GCP Associate Software Engineer | Accenture, Gurugram, Haryana Nov 2023 – Oct 2025 • Delivered 12 Java backend modules across 3 internal apps serving 5,000+ employees; led legacy-to-modern migration improving performance by 50%. • Engineered multithreaded batch pipelines using ExecutorService, cutting nightly processing time by 87% (15 min → 2 min). • Built a reflection-based POJO mapping utility, eliminating 70% boilerplate code across data ingestion layers. • Achieved 90%+ unit-test coverage using JUnit across all modules to prevent regressions. • Tech: Java, Spring Boot, Spring MVC, REST APIs, Oracle Database, JDBC, JUnit, Mockito, Maven, Git, CI/CD

HighRadius

Data Analyst Intern

HighRadius

Jul 2022 - Jan 2023 • 6 mos

Analyzed 50,000+ rows of sales data with Python to implement rule-based task allocation. Refactored Jupyter notebooks into reusable modules, reducing iteration time by 40%. Identified 100+ anomalies through EDA and authored validation rules improving data quality.