Abdul WAHAB Wahab

B

Senior Full Stack Engineer

BaresDev

Mar 2022 - Current (4 years 7 months)

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)
at 99.99% uptime via circuit breakers, retries, and distributed caching
• Designed a Kafka + Flink streaming backbone at 500K events/sec sub-ms latency,
powering fraud detection and a +18% conversion personalization engine
• Shipped Next.js 15 + React Server Components frontend with streaming Uls —
95+ Lighthouse, initial load ↓ 70%
• Collapsed GraphQL federation p95 from 800ms → 120ms via Apollo Router +
DataLoader batching
• Rolled out GitOps CI/CD (GitHub Actions + ArgoCD + Kargo) across

C

Senior Software Engineer

Capital One (contract via Insight Global)

Mar 2020 - Feb 2022 (2 years)

Modernized legacy card-authorization services and introduced the first ML fraud signals
into the auth path.
• Re-platformed a $40B/yr transaction authorization service from monolith to
event-driven microservices on AWS ECS + Kinesis + DynamoDB
• Integrated real-time ML fraud scoring via SageMaker + Triton — -22% false-
positive declines at

Software Engineer

Coherent Solutions

Jan 2018 - Feb 2020 (2 years 2 months)

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% cold start;
sustained 1M+ concurrent executions at peak
• Shipped Spring Cloud Stream + RabbitMQ + SQS pipelines processing 10TB/day
with exactly-once semantics and DLQ replay
• Tuned PostgreSQL + DynamoDB schemas p99 latency 2s → 200ms
• Established test pyramid (JUnit, Jest, Cypress, Pact) — 95% coverage, -70% prod
defects
Stack: Java
• Python Spring Boot
• Angular
• AWS (Lambda, SQS,
DynamoDB) PostgreSQL.

Full Stack Engineer

Fulcrum

Jun 2015 - Dec 2017 (2 years 7 months)

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

Abdul WAHAB Wahab

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Abdul WAHAB Wahab

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