AI Engineer & Team Lead

Abu Bakar Siddik

Specializing in LLM applications, scalable API architectures, RAG pipelines, and agentic workflows. Currently scaling LLM-powered applications at AskTuring.ai.

About

AI Engineer specializing in LLM applications, scalable API architectures, RAG pipelines, LLM fine-tuning, private deployments, and agentic workflows. Winner of Google Nano Banana Hackathon 2025.

Skilled in Python, TypeScript, vector databases, prompt engineering, and scalable AI systems. Experienced in deploying reliable AI solutions with evaluation, guardrails, and grounding strategies to minimize hallucinations.

Passionate problem-solver focused on delivering robust AI systems for real-world enterprise applications. Currently leading the Core RAG & AI team at AskTuring.ai.

Experience

AI Engineer & Team Lead

AskTuring.ai

Jul 2025 - Present
  • Leading Core RAG & AI Team • Scaling AI & Backend Systems
  • Built production-ready RAG system without vendor lock-in, handling real-world workloads
  • Designed multi-agent workflows with state management, improving throughput by 30%
  • Optimized PostgreSQL through indexing, connection pooling, and read replicas
  • Reduced hallucinations by 98% using hybrid search and source-grounding
  • Built internal evaluation benchmark, cutting evaluation time by 99%
Python PostgreSQL LangGraph FastAPI

Machine Learning Engineer

Sazim Tech Ltd

Oct 2023 - Jul 2025
  • Implemented backend using Hexagonal Architecture (Port & Adapter)
  • Designed modular ports for OpenAI, Anthropic, and local models
  • Reduced jail-breaking and AI safety risks by 45% with multi-layer guardrails
  • Deployed private AI solutions with on-premise air-gapped operation
  • Practiced Test Driven Development (TDD) methodology
NestJS LLM Docker TDD

ML Researcher & Engineer

Intelsense AI

Sep 2022 - Sep 2023
  • Led data annotation team, establishing quality assurance protocols
  • Created Rasa-based conversational AI chatbots for customer service
  • Contributed to Bengali ASR tool development and fine-tuning
Rasa NLP ASR

Data Science Apprentice

Cramstack

Nov 2021 - Apr 2022
  • Worked on data analysis projects involving document scanning and text summarization
  • Built custom dashboards for data visualization
Python Data Analysis

Projects

Selected work and experiments

Platform

CareerKor

AI-powered career tool: generate tailored resumes, cover letters, and track applications from one profile.

Next.js NestJS LLM
GenAI

Tryon

Virtual try-on system where users upload photos to visualize how outfits would look with realistic appearance.

React FastAPI Multi-Modal
Winner

MagicSpin 360°

Generates interactive 360° rotations from single 2D images. Winner of Google Nano Banana Hackathon 2025.

React FastAPI Multi-Modal LLM
Framework

PAGANS

Framework to optimize prompts aligned to guidelines across different LLM families.

Prompt Eng Python
Agent

ReleaseBot

Reads commits, drafts release notes, and emails users automatically.

LangGraph Automation
Full-stack

AI Meme Generator

Natural language to ready-to-share memes with smart image selection.

Generative TypeScript
Thesis

Blood Clot AI

Classifies clots and suggests treatment. Thesis project on medical AI.

Healthcare TensorFlow
Enterprise

SEO Keyword Optimizer

Clusters millions of keywords into themes to guide enterprise SEO strategy.

FastAPI NLP

Achievements

Competitive highlights

Bronze Medal

Mayo Clinic STRIP AI

Kaggle • 888 teams • 2022

Stroke clot-origin classification from whole-slide pathology images.

5th Place

BUET BioMed Datathon

AI for Medical Data • 2024

Multi-label classifier on heart-sound data for cardiac abnormality detection.

9th Place

A Perfect Fit Challenge

ML Competition • 2,381 teams • 2021

Predictive model for selecting the perfect candidate based on resume data.

Technical Skills

AI & ML

NLP & LLMs Computer Vision Agentic Workflow Fine-Tuning TensorFlow PyTorch JAX Transformers

AI Frameworks

LangChain LangGraph LlamaIndex CrewAI Langfuse

Backend

FastAPI NestJS PostgreSQL MongoDB Redis Weaviate Pinecone Qdrant TDD

Cloud & DevOps

AWS SageMaker AWS EC2 GCP Vertex AI Docker Kubernetes GitHub Actions

Frontend

React Next.js TypeScript

Testimonials

Words from collaborators

"I've worked with and mentored Abu Bakar for over a year building AI-powered, full-stack software solutions. He is an excellent team player, hardworking, and can think on his feet. He consistently takes ownership of his work, quickly learns new technologies, and brings creative solutions to complex problems."

ES

Emon Sarker

Software @ Sazim • CS @ UBC

"I have had the pleasure of working closely with Abu Bakar during his tenure as a Machine Learning Researcher and Engineer. Abu Bakar is a highly agile and prompt professional who consistently showcases exceptional dedication to his work. His quick learning abilities have allowed him to excel in complex projects focused on Deep Learning, NLP, Healthcare, and Embedded Systems."

KR

Kaiser Hamid Rabbi

Lead AI Engineer • LLMOps

"I've had the awesome chance to work closely with Abu Bakar, and let me tell you, he's a total tech wizard in the AI realm. This dude not only whipped up an amazing dashboard that made my job a breeze, but he also cooked up some NLP-based tools that seriously supercharged our game."

SF

S. M. Fahim

$36M+ Revenue Generated • Fractional CMO

Education

M.Sc. in Computer Science

Rajshahi University of Engineering & Technology (RUET)

Current

Focus: Artificial Intelligence, Deep Learning, Advanced Image Processing

B.Sc. in Mechatronics Engineering

Rajshahi University of Engineering & Technology

2019 - 2024

Relevant: AI, ML, Software Engineering, Robotics, Digital Signal Processing, Machine Vision. Thesis on Medical AI.

Certifications

DevOps, DataOps, MLOps

Coursera (Duke University)

NLP Specialization

Coursera (DeepLearning.AI)

Deep Learning Specialization

Coursera (DeepLearning.AI)

TensorFlow Developer Certificate

Google

Let's build something intelligent.

Available for consulting and collaboration on AI/ML projects.

Dhaka, Bangladesh

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© 2026 Abu Bakar Siddik. All rights reserved.