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I am a senior software engineer with 9+ years building cloud-native platforms that move billions of transactions daily across fintech, retail, and SaaS. I work across Python, Java, TypeScript, and Go, with deep experience in distributed systems, streaming data, and microservices on AWS, Azure, and GCP. I enjoy extending modern platforms with AI/LLM-powered features (LangChain, RAG) where they add real product value. I’ve led diverse teams, delivered high-uptime systems (99.99%), achieved meaningful cost reductions, and mentored 50+ engineers across multiple regions. I’m passionate about building scalable, reliable software and collaborating with product teams to create impactful experiences.…I am a senior software engineer with 9+ years building cloud-native platforms that move billions of transactions daily across fintech, retail, and SaaS. I work across Python, Java, TypeScript, and Go, with deep experience in distributed systems, streaming data, and microservices on AWS, Azure, and GCP. I enjoy extending modern platforms with AI/LLM-powered features (LangChain, RAG) where they add real product value. I’ve led diverse teams, delivered high-uptime systems (99.99%), achieved meaningful cost reductions, and mentored 50+ engineers across multiple regions. I’m passionate about building scalable, reliable software and collaborating with product teams to create impactful experiences.

Abdul Wahab Pirzada

Full Stack Developer, Web Developer, Front-End Developer, +2

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I am a senior software engineer with 9+ years building cloud-native platforms that move billions of transactions daily across fintech, retail, and SaaS. I work across Python, Java, TypeScript, and Go, with deep experience in distributed systems, streaming data, and microservices on AWS, Azure, and GCP. I enjoy extending modern platforms with AI/LLM-powered features (LangChain, RAG) where they add real product value. I’ve led diverse teams, delivered high-uptime systems (99.99%), achieved meaningful cost reductions, and mentored 50+ engineers across multiple regions. I’m passionate about building scalable, reliable software and collaborating with product teams to create impactful experiences.…I am a senior software engineer with 9+ years building cloud-native platforms that move billions of transactions daily across fintech, retail, and SaaS. I work across Python, Java, TypeScript, and Go, with deep experience in distributed systems, streaming data, and microservices on AWS, Azure, and GCP. I enjoy extending modern platforms with AI/LLM-powered features (LangChain, RAG) where they add real product value. I’ve led diverse teams, delivered high-uptime systems (99.99%), achieved meaningful cost reductions, and mentored 50+ engineers across multiple regions. I’m passionate about building scalable, reliable software and collaborating with product teams to create impactful experiences.

Available to hire

I am a senior software engineer with 9+ years building cloud-native platforms that move billions of transactions daily across fintech, retail, and SaaS. I work across Python, Java, TypeScript, and Go, with deep experience in distributed systems, streaming data, and microservices on AWS, Azure, and GCP. I enjoy extending modern platforms with AI/LLM-powered features (LangChain, RAG) where they add real product value.

I’ve led diverse teams, delivered high-uptime systems (99.99%), achieved meaningful cost reductions, and mentored 50+ engineers across multiple regions. I’m passionate about building scalable, reliable software and collaborating with product teams to create impactful experiences.

Skills

Experience Level

Expert

Expert

Expert

Expert

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Expert

Expert

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Expert

Language

English

Fluent

Work Experience

Senior Full Stack Engineer at BaresDev

March 1, 2022 - Present

Lead an 8-engineer squad building a multi-cloud platform processing 2B+ requests/day for enterprise fintech and retail. Architected multi-region Azure + AWS microservices (Spring Boot, Node.js, .NET 8) achieving 99.99% uptime through circuit breakers, retries, and distributed caching. Designed a Kafka + Flink streaming backbone at 500K events/sec with sub-ms latency powering fraud detection and an +18% personalization/conversion engine. Shipped Next.js 15 frontend with React Server Components and streaming UIs, reducing initial load by 70%. Reduced p95 GraphQL federation latency from 800ms to 120ms with Apollo Router + DataLoader batching. Implemented GitOps CI/CD across 15+ regions reducing deployment failures by 85%. Added a RAG-powered support assistant using LangChain and pgvector, achieving 72% auto-resolution on tier-1 tickets. Built a model gateway to route to Claude, GPT-4o, or Gemini behind one API; prompt caching cut LLM spend by 38%. Mentored 12 engineers through 3 promotion

Senior Software Engineer at Capital One (contract via Insight Global)

March 1, 2020 - February 28, 2022

Modernized legacy card-authorization services into event-driven microservices on AWS ECS + Kinesis + DynamoDB. Integrated real-time ML fraud scoring via SageMaker + Triton—22% false-positive declines at <80ms p99 auth latency. Productionized Feast feature store + MLflow registry, closing the training/serving skew loop. Executed zero-downtime migration of a 4TB Oracle → Aurora PostgreSQL workload via Debezium CDC. Rolled out Istio mTLS + HashiCorp Vault—SOC 2 Type II. Introduced chaos engineering (Gremlin + custom fault injectors) to surface 14 latent failure modes pre-prod.

Software Engineer at Coherent Solutions

January 1, 2018 - February 29, 2020

Built the backbone of a multi-tenant SaaS platform serving 500+ enterprise clients in logistics and healthcare. Led the SaaS core squad; +40% sprint velocity via trunk-based development and tight scope. Optimized AWS Lambda (Java, Python) with SnapStart—40% faster cold starts; sustained 1M+ concurrent executions. Shipped Spring Cloud Stream + RabbitMQ + SQS pipelines processing 10TB/day with exactly-once semantics and DLQ replay. Tuned PostgreSQL + DynamoDB schemas; p95 latency from 2s → 200ms. Established test pyramid (JUnit, Jest, Cypress, Pact) with 95% coverage and 70% prod defect reduction.

Full Stack Engineer at Fulcrum

June 1, 2015 - December 31, 2017

Built customer-facing web products and the reusable UI foundation behind them. Shipped SSR apps with Core Web Vitals 95+, +45% engagement. Engineered real-time collaboration (WebSocket + WebRTC + Redis pub/sub) for 100K+ concurrent users with CRDT-style conflict resolution. Rolled out Module Federation micro-frontends enabling independent deploys for 20+ product teams. Authored a Storybook component library adopted by 100+ internal apps.