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I am an experienced software engineer and technology leader with expertise in AI, backend engineering, and infrastructure management. Over the years, I have founded multiple startups and led teams to build innovative platforms, including AI-enabled writing assistants and large-scale big data solutions. I take pride in managing end-to-end product development, from system architecture to team leadership and project management. With deep technical knowledge spanning Kubernetes, Docker, Java, Python, Big Data, and cloud services, I enjoy solving complex challenges and delivering scalable, mission-critical systems. My passion lies in leveraging emerging technologies to create impactful applications and building strong teams that propel product success and customer satisfaction.…I am an experienced software engineer and technology leader with expertise in AI, backend engineering, and infrastructure management. Over the years, I have founded multiple startups and led teams to build innovative platforms, including AI-enabled writing assistants and large-scale big data solutions. I take pride in managing end-to-end product development, from system architecture to team leadership and project management. With deep technical knowledge spanning Kubernetes, Docker, Java, Python, Big Data, and cloud services, I enjoy solving complex challenges and delivering scalable, mission-critical systems. My passion lies in leveraging emerging technologies to create impactful applications and building strong teams that propel product success and customer satisfaction.

Karthikeyan Subramanian

AI Engineer, Back-End Developer, Project Manager

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I am an experienced software engineer and technology leader with expertise in AI, backend engineering, and infrastructure management. Over the years, I have founded multiple startups and led teams to build innovative platforms, including AI-enabled writing assistants and large-scale big data solutions. I take pride in managing end-to-end product development, from system architecture to team leadership and project management. With deep technical knowledge spanning Kubernetes, Docker, Java, Python, Big Data, and cloud services, I enjoy solving complex challenges and delivering scalable, mission-critical systems. My passion lies in leveraging emerging technologies to create impactful applications and building strong teams that propel product success and customer satisfaction.…I am an experienced software engineer and technology leader with expertise in AI, backend engineering, and infrastructure management. Over the years, I have founded multiple startups and led teams to build innovative platforms, including AI-enabled writing assistants and large-scale big data solutions. I take pride in managing end-to-end product development, from system architecture to team leadership and project management. With deep technical knowledge spanning Kubernetes, Docker, Java, Python, Big Data, and cloud services, I enjoy solving complex challenges and delivering scalable, mission-critical systems. My passion lies in leveraging emerging technologies to create impactful applications and building strong teams that propel product success and customer satisfaction.

Available to hire

I am an experienced software engineer and technology leader with expertise in AI, backend engineering, and infrastructure management. Over the years, I have founded multiple startups and led teams to build innovative platforms, including AI-enabled writing assistants and large-scale big data solutions. I take pride in managing end-to-end product development, from system architecture to team leadership and project management.

With deep technical knowledge spanning Kubernetes, Docker, Java, Python, Big Data, and cloud services, I enjoy solving complex challenges and delivering scalable, mission-critical systems. My passion lies in leveraging emerging technologies to create impactful applications and building strong teams that propel product success and customer satisfaction.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Work Experience

CoFounder & CTO at Celredge Inc

November 1, 2024 - Present

Leading the creation of a new agentic AI workflow platform for generating reports and presentations. Responsible for entire infrastructure and backend implementation. Managed a frontend development team directing them to build the Celredge customer application.

Back End Engineer at Monzo

April 30, 2024 - August 19, 2025

Developed features for an internal BizOps customer support platform using Go, Docker, Kubernetes, ELK Stack, and Jaeger. Managed product incidents and participated in the on-call support rotation.

Founder at QuillNow (layerity.com)

April 1, 2023 - Present

Built an AI-enabled writing assistant for content creators, copywriters, and publishing houses to receive instant feedback on tonality and readability using Python, Docker, Flask, AWS, MongoDB, and NLP libraries. Set up media monitoring infrastructure to gather and analyze news articles daily for bias and content metrics. Planned and managed Slack Bot and Zendesk App integrations, and developed portfolio management and screenplay analysis services based on NLP and ML.

Core Engineer (Contractor) at Sky Global Media UK

April 30, 2023 - August 19, 2025

Supported mission-critical systems including content streaming and management services running on core Kubernetes clusters. Part of core team responsible for CI/CD Jenkins pipelines, standardized build environments, and Kubernetes infrastructure enabling client app deployments.

Founder at PubOnTap

March 31, 2021 - August 19, 2025

Created a customer experience management platform for pubs, bars, and restaurants. Engaged with merchants to understand product needs, planned product vision and feature roadmap. Implemented backend services, managed database, and developed an Android client app for consumers and merchants. Handled DevOps operations on AWS, financial planning, outsourced iOS development, and marketing strategy including sales validation in London pubs. Successfully launched the app on Android and iOS.

CTO at FactMata

June 30, 2020 - August 19, 2025

Led delivery of a critical time-constrained COVID-19 project including backend, frontend, DevOps, and data science teams to build a public dashboard surfacing COVID-related misinformation. Participated in fundraising activities, managed bi-weekly meetings with external technical advisors, implemented real-time data ingestion from sources like Twitter and media toolkits. Designed data lake strategy, performed data migration, and handled hiring of full-time developers.

Software Engineer at TheTradeDesk Inc

April 30, 2019 - August 19, 2025

Researched and proposed an allowance-based budget management system for handling traffic spikes during high-profile live events. Implemented delayed feedback support for SpotX adapter in Connected TV product.

Architect, Emerging Technologies Development at SnapLogic Inc

January 1, 2018 - August 19, 2025

Architected new product lines using emerging technologies including IoT and Big Data. Researched competitive landscape to design product roadmap and features. Created prototypes focusing on Enterprise Workflow Management. Made architectural recommendations and implemented changes for SnapLogic Enterprise Cloud infrastructure. Interacted with customers to gather requirements and participated in roadshows for collecting customer feedback.

Senior Engineering Manager (Big Data) at SnapLogic Inc

January 1, 2018 - August 19, 2025

Designed and developed SnapLogic's Enterprise Data Lake product line featuring YARN based elastic runtime, MapReduce pipelines, and Spark data pipelines. Led team of 7 engineers on various big data initiatives. Recruited high-caliber candidates and mentored junior engineers. Evangelized new product offerings to jumpstart adoption and support customer use cases in production.

Principal Software Engineer (iPaaS Platform) at SnapLogic Inc

January 1, 2018 - August 19, 2025

Implemented guaranteed document delivery with persistent message queue, document provenance and lineage tracking. Redesigned SnapLogic dataflow layer using LMAX Disruptors improving latency and throughput. Redesigned REST APIs using JAX-RS, developed SnapLogic developer SDK. Implemented fine-grained access control atop J2SE security model.

Senior Software Engineer (R&D division) at TIBCO Software Inc

September 30, 2010 - August 19, 2025

Developed Thread Analyzer tool providing thread dump compression, summarization and deadlock detection. Implemented a new scheduler-based continuous query execution framework and optimized query filter implementations using Coherence cache indexing. Developed a query optimizer for TIBCO ActiveSpaces distributed cache.

Software Developer (APT Platform) at Yahoo! Inc

October 31, 2009 - August 19, 2025

Worked on various Demand Application & Order Taking Interface (OTI) bug fixes and features. Developed targeting rules module to optimize inventory search.

Member of Technical Staff (SOA/BI Group) at Sun Microsystems

July 31, 2007 - August 19, 2025

Added new table functionalities to open-source Tigris Axion database. Developed JBI standards-compliant Aspect service engine for SUN Business Integration product suite. Developed new engines for Data Mashup and Data Migrator components from the ground up.