Pankaj Singla

Senior Software Engineer at ToneTag

Handle

@pankaj-singla

Role

Senior Software Engineer

Company

ToneTag

Location

Bangalore, India

Languages

English, Hindi, Punjabi

Open to

Full Stack, Backend, FDE

About

I build cloud-native microservices, secure transaction platforms, data pipelines, and scalable APIs. I work with Java, Python, SQL, SpringBoot, Spark, and AI technologies to develop reliable software, analytics workflows, and RAG-based applications.

Experience

• Senior Software Engineer at ToneTag
  Nov 2025 to now - Bangalore, Karnataka, India
  Improved throughput by 50 percent for a microservices-based CBDC platform handling secure wallet transactions and NPCI integrations. Implementing gateway and wrapper services supporting payload transformation, routing, authentication, and request proxy.
• Senior Software Engineer at Airtel International LLP
  Feb 2024 to May 2025 - Gurugram, Haryana, India
  Built scalable data pipelines for KPI generation for 14 countries, including data ingestion, aggregations, transformations, and writing into sinks. Monitored and resolved pipeline failures, data skews, and anomalies.
• Software Engineer at Société Générale
  Jul 2021 to Oct 2024 - Bangalore, Karnataka, India
  Migrated a monolith to a cloud-native microservice and improved latency by 40 percent. Implemented an event-driven approach for calculation of RWA metrics for securitization and improved code coverage, security, and code quality.

Education

• UT Austin
  PGP, Artificial Intelligence and Machine Learning
  2025 to 2026
  Built end-to-end ML solutions including model development, hyperparameter tuning, and API-based deployment. Developed scalable APIs and solutions with LLM integration, RAG pipelines, and AI Agents.
• IIT Roorkee
  B. Tech., Electronics and Communication Engineering
  2017 to 2021
  Secured 2nd Rank in Annual Tech Fest of IIT Roorkee at Models and Robotics Section. AIR 1092 in JEE Advanced and AIR 2036 in JEE Mains.

Skills

• Java
• Python
• SQL
• SpringBoot
• FastAPI
• Spark
• PySpark
• React
• MySQL
• PostgreSQL
• MongoDB
• Hadoop
• AWS
• Microservies
• LLM
• Claude
• Copilot
• RAGs
• Agentic AI

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