Lijin Chungapalli

CTO

London, England, United Kingdom11 yrs 9 mos experience
Highly Stable

Key Highlights

  • Expert in building complex knowledge graphs.
  • Led teams in high-impact algorithm development.
  • Strong background in NLP and machine learning applications.
Stackforce AI infers this person is a SaaS expert with a strong focus on data-driven solutions.

Contact

Skills

Other Skills

AlgorithmsApache KafkaComputer ArchitectureData StructuresGitKernel ProgrammingOperating SystemsProgrammingpythonsklearn

About

.

Experience

Meta

2 roles

Tech Lead Manager

Promoted

Sep 2025Present · 6 mos · London Area, United Kingdom · Hybrid

Staff Software Engineer

Aug 2024Oct 2025 · 1 yr 2 mos · London Area, United Kingdom · Hybrid

Nference

2 roles

Senior Staff Engineer

Promoted

Oct 2022Aug 2024 · 1 yr 10 mos

Staff Software Engineer

Jun 2021Oct 2022 · 1 yr 4 mos

  • Working in nference's bio medical knowledge graph

Amazon

SDE 2

Jan 2021Jun 2021 · 5 mos · Bengaluru, Karnataka, India

  • Worked in Featured Merchant Algorithm(FMA) team which manage which seller wins the Buy Box for every product in Amazon and millions of requests every day across all marketplaces.
  • Projects Include:
  • Cart Aware EU launch
  • Made FMA consider shopping cart of the user while ranking sellers in EU region.

Xperi corporation

3 roles

Staff Engineer

Promoted

Jul 2020Jan 2021 · 6 mos

  • Leading Xperi's Knowledge graph team that powers Xperi's Search, Conversation, Recommendation and Matching Engines.
  • Automatic Metadata Extraction and Enrichment of Xperi's Knowledge Graph Using NLP and Machine Learning in Xperi(previously TiVo)
  • Projects Include
  • Knowledge Graph Generation
  • Build Knowledge graph for multiple languages and regions that involves classification of data,
  • keyword extraction, extracting structured data from multiple data sources using NLP and Machine
  • Learning.
  • Named Entity Recognition
  • Extracting Entities from a given blurb of text related to entertainment domain using spaCy and
  • networkX.
  • Smart-Tag Extraction for Programs
  • Extracting Smart-Tags(Important Concepts) for a program by constructing a semantic graph
  • from plot of the Program. Technical paper was presented at the proceedings of International
  • Broadcasting Convention(IBC) 2018 held at Amsterdam,Netherlands.
  • Adult Movie Classification
  • Classifying whether a movie is adult or non-adult based on its description.
  • Deep Descriptor Extraction
  • Extracting Deep descriptors like genre, mood and micro-genre from a plot of a movie.
  • Game Participant Extraction and Game Matching
  • Extracting Team,Tournament,Sports etc from Game Description and Matching it to Games in
  • Xperi's Knowledge Graph.
  • Ingestion of External Sources in Xperi's Knowledge Graph
  • Ingesting External Sources which can give additional metadata to programs. This is Useful in
  • increasing Language and region coverage of Xperi's Knowledge Graph.
  • Related Programs
  • Finding Programs which are similar to a given Programs by Converting Programs in to a N
  • dimensional vector.
  • Trending Topic Generation
  • Finding out the entities which are trending in entertainment domain given a time of day by
  • Monitoring Social media and google trends.
  • Tagging player Head-shot and Action-shot in Sports Images
  • Automatic Tagging of player Head-shot and Action-shot in Sports Images using Inception-V3.

Senior Software Engineer

Promoted

Jul 2018Jul 2020 · 2 yrs

  • Automatic Metadata Extraction and Enrichment of TiVo Knowledge Graph Using NLP and Machine Learning

Software Engineer

May 2015Dec 2018 · 3 yrs 7 mos

Samsung

Software Engineer

Jun 2014May 2015 · 11 mos · Noida Area, India

  • Performance Enhancement, maintenance and bug-fixing of Samsung android browsers.
  • Implemented UI/UX changes for Android Lollipop.
  • Handled bugs during Firmware Over The Air(FOTA) updates in Samsung Browsers.

Education

National Institute of Technology Calicut

Bachelor of Technology (BTech) — Computer Science

Jan 2010Jan 2014

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