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Sourik Adhikary

Hi, I'm Sourik

Founding Engineer | Backend & ML Infrastructure | GenAI

Building AI-powered products from 0 to 1

Previously at:
Amazon Razorpay Tekion
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About Me

Sourik Adhikary
That's me!
BONK!
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Hey there! 👋

I'm a Backend Engineer / ML Engineer with 7+ years of experience building scalable systems at top fintech and AI companies.

Focus Areas:

  • Generative AI & Computer Vision
  • Scalable Backend Architecture
  • Audio, Music & Voice Generation
  • High-Performance ML Infrastructure
  • Fintech & Payments Systems
0 Years+ Exp 📅
0 Companies 🏢
TEKION
Foosh AI

My Journey

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Founding Engineer

Foosh.AI Aug 2024 - Present
  • Early engineer; owned backend architecture, ML infrastructure, and product delivery from prototype to production.
  • Built and scaled a high-throughput image generation platform orchestrating multi-GPU compute, supporting millions of generations for enterprise clients.
  • Designed an async multimodal workflow engine for composing and chaining generative AI models across image, video, and lip-sync modalities.
PythonPyTorchCUDAFastAPI
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Freelance Software Developer

Self-Employed Feb 2022 - Jul 2024
  • Built financial tooling and reconciliation systems for wealth management and creator economy clients across the US.
  • Integrated payments, identity verification, and lending infrastructure for a fintech product serving hundreds of creators.
  • Shipped backend systems and external integrations for early-stage startups across fintech and proptech.
Node.jsAWSPostgresReact
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Software Engineer

Tekion Corp May 2021 - Jan 2022
  • Improved platform availability from 99.0% to 99.99% and reduced latency by 90% (600ms to 50ms).
  • Designed and shipped a unified Notes feature that reduced cross-page context switching by 70%.
JavaSpringMongoDBGCP
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Software Development Engineer

Razorpay Nov 2020 - Mar 2021
  • Migrated tier-1 payments routing APIs from PHP monolith to Go microservices.
  • Integrated new banking partners into smart UPI routing to improve transaction success rates.
GoPHPRedisKafka
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Software Development Engineer

Amazon Sep 2019 - Oct 2020
  • Built a retail platform ingress point on AWS achieving sub-50ms latency.
  • Migrated a mission-critical encryption service to a new onboarding platform.
  • Built anomaly detection alerts to prevent merchant drop-offs.
JavaAWSDynamoDBNative AWS
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Software Development Intern

Amazon Feb 2019 - Aug 2019
  • Built a web crawler from scratch to track merchant issues caused by incorrect configurations.
  • Helped recover $10k+ TPV monthly; received a full-time return offer.
JavaAWSWeb Crawling

Featured Work

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Foosh AI GenAI Infra

Flux image generation, multi-GPU orchestration, and workflow automation

Founding engineer for backend, ML infra, applied ML direction, and product. Built Flux 1.1 training/inference infra across Modal and Datacrunch, latent interpolation upscaling, bulk moodboard templating, and Foosh v2 async multi-modal workflow engine powering 2M+ image generations.

Python • PyTorch • Flux • Modal • Datacrunch • Fal • Bytedance
2M+ gens
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Persistent Memory Pipeline

Cross-session memory for a stateless AI coach

Built a 6-phase memory pipeline with Gemini structured extraction, Pinecone hybrid BM25+dense retrieval, temporal decay, contradiction detection, and narrative summaries. Achieved 95% extraction accuracy, cut contradiction checks by 95%, and lifted unified retrieval from 62% to 81%.

Gemini • Pinecone • Hybrid Search • Pydantic • Sentry • PostHog
95% acc
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Shannonic

Near-entropy-optimal compression for ML tensors

Reimplemented an MLSys 2026 paper with a Rust+Python hybrid using DP range partitioning and streaming rANS entropy coding. Reached within 0.3-2.9% of Shannon's limit and beat zlib on 20/21 ResNet-18 layers with 1.55x overall compression.

Rust • Python • pyo3 • maturin • rANS • NumPy • PyTorch
1.55x
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Tracer

Autonomous sponsorship auditor for sports broadcasts

Built zero-training open-vocabulary logo detection using Gemma 4 26B-A4B MoE through MLX on Apple Silicon, with four-factor QoE scoring, auto-cropped proof images, JSON/Markdown reports, and a self-contained dashboard with heatmaps.

Python • MLX • mlx-vlm • Gemma 4 • ffmpeg • yt-dlp • OpenCV
Open Vocab
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Infinite Echo

Autonomous AI radio station on Apple Silicon

Built a local AI radio station where ACE-Step 1.5 generates music via MLX, Kokoro TTS voices an AI DJ, and a look-ahead scheduler hides generation latency for gapless playback with zero buffer underruns.

Python • MLX • MetalRT • ACE-Step 1.5 • Kokoro-82M • Qwen3 • CoreAudio
0 underruns
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Backend & Fintech Scale

Amazon, Razorpay, Tekion, and creator-finance systems

Built sub-50ms Amazon retail ingress and anomaly alerts, migrated Razorpay tier-1 payment routing APIs to Go microservices, improved Tekion availability from 99.0% to 99.99% and latency by 90%, and shipped finance tooling for 400+ managed creators.

Java • Go • AWS • Kafka • Redis • Postgres • Xero • QuickBooks
99.99%

Open Source Arcade

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Dev Log

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Tech Stack

Languages & Frameworks

Python / FastAPI
Java / Spring
Go

AI/ML & Infrastructure

PyTorch / CUDA
AWS / GCP
Kafka / RabbitMQ

Also experienced with

PostgreSQL
MongoDB
Redis
DynamoDB
Git
Docker
PHP
RabbitMQ

Let's Connect!

Have an interesting project? Need a founding engineer?

Or just want to chat about AI & tech? 🚀

I'd love to hear from you!

📍 Bangalore / Kolkata / Remote

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