{
  "$schema": "https://raw.githubusercontent.com/jsonresume/resume-schema/master/schema.json",
  "basics": {
    "name": "Shubh Saxena",
    "label": "Lead Engineer — Distributed Systems & Golang",
    "email": "ssshubh97@gmail.com",
    "url": "https://shubh9457.github.io/",
    "summary": "Lead Engineer with 6+ years building high-availability, distributed backend systems at scale — from blockchain-based financial settlement platforms to Go-based contact and search services handling 100M+ records. Currently on the Contacts Platform team at GoHighLevel, improving system design and architecture at scale. Open to Staff / Principal Engineer opportunities.",
    "location": {
      "countryCode": "IN"
    },
    "profiles": [
      { "network": "LinkedIn", "username": "shubh-saxena", "url": "https://www.linkedin.com/in/shubh-saxena/" },
      { "network": "GitHub", "username": "shubh9457", "url": "https://github.com/shubh9457" },
      { "network": "Medium", "username": "shubhsaxena", "url": "https://medium.com/@shubhsaxena" },
      { "network": "LeetCode", "username": "shubhsaxena", "url": "https://leetcode.com/shubhsaxena/" }
    ]
  },
  "work": [
    {
      "name": "GoHighLevel",
      "position": "Lead Engineer",
      "location": "Remote (India)",
      "startDate": "2026-04",
      "summary": "Contacts Platform Team",
      "highlights": [
        "Driving system design and architecture improvements for the Contacts Platform, supporting high-throughput services relied on across GoHighLevel's multi-tenant SaaS customer base.",
        "Partnering cross-functionally with product and platform teams to modernize core contact data services for reliability, scalability, and long-term maintainability.",
        "Bringing distributed-systems and high-scale architecture expertise from prior roles to guide technical direction, design reviews, and engineering standards on the team.",
        "Mentoring engineers on the team, raising the bar on system-design rigor and production-readiness practices."
      ]
    },
    {
      "name": "Brevo",
      "position": "Senior Software Engineer → Lead Engineer",
      "location": "Noida, India",
      "startDate": "2023-06",
      "endDate": "2026-03",
      "highlights": [
        "Architected and executed the core migration of mission-critical, high-availability contact management microservices from Node.js to Go, scaling performance to sustain 1,000+ RPS / 40k+ ops/min and supporting over 100M+ contacts.",
        "Drove a 50% systemic reduction in text-based query latencies by redesigning data segmentation pipelines across heterogeneous datastores (PostgreSQL, ClickHouse, Redis), directly improving enterprise-level customer retention.",
        "Established engineering excellence standards and SLAs for cross-functional product teams; introduced rigorous system-design review processes that slashed post-release production anomalies by over 30%.",
        "Led and mentored a high-performing squad of engineers, defining technical direction, establishing robust CI/CD and monitoring guardrails, and accelerating sprint velocity by removing technical debt bottlenecks.",
        "Promoted to Lead Engineer in January 2026, recognizing technical leadership and system-design impact."
      ]
    },
    {
      "name": "DLT Labs",
      "position": "Software Engineer → Senior Software Engineer → Lead Engineer",
      "location": "Noida, India",
      "startDate": "2019-08",
      "endDate": "2023-06",
      "highlights": [
        "Served as Core Architect for an enterprise blockchain-based supply chain and financial settlement platform, scaling transaction processing from 2k ops/min to 40k ops/min through advanced Node.js runtime and garbage collection tuning.",
        "Designed a high-performance data replication engine that synthesized multi-source distributed data streams in real-time, drastically reducing cross-system sync lag and unlocking advanced dynamic CRM segmentation.",
        "Spearheaded production engineering strategy for mission-critical distributed systems, building automated self-healing workflows and debugging frameworks that preserved 99.99% availability SLAs.",
        "Recognized across 3 elite corporate categories ('Top Achiever', 'Best Improvement', 'Most Efficient Developer') for pioneering technical initiatives that slashed operational infrastructure overhead."
      ]
    }
  ],
  "projects": [
    {
      "name": "Segmentation — CRM",
      "description": "Abstracted, high-throughput query engine joining massive disparate historical data stores on-the-fly with sub-second latencies — dynamic CRM segmentation at 100M+ contact scale with no predefined schema contracts. Ongoing P99 latency optimizations with per-query-type resource budgets for SLA predictability.",
      "keywords": ["ClickHouse", "PostgreSQL", "Redis", "MongoDB"],
      "roles": ["Lead Engineer"]
    },
    {
      "name": "high-scale-search",
      "description": "Production-grade Go search orchestration service designed for 10B+ records at sub-200ms p99 latency — unifies a fault-tolerant search pipeline across five datastores.",
      "keywords": ["Go", "Elasticsearch", "ClickHouse", "Firestore", "Redis", "Kafka"],
      "url": "https://github.com/shubh9457/high-scale-search",
      "type": "personal project"
    },
    {
      "name": "Plant Disease Classification by Leaf Image",
      "description": "Team of three; on-device, offline-capable plant disease detection from leaf images via phone camera.",
      "keywords": ["Android", "TensorFlow Lite", "Kaggle PlantVillage"],
      "type": "CDAC hackathon, 1-2 weeks"
    }
  ],
  "skills": [
    { "name": "Architecture", "keywords": ["High-Throughput System Design", "Microservices", "Distributed Systems", "High-Availability Systems", "Data Segmentation Pipelines", "REST APIs"] },
    { "name": "Languages", "keywords": ["Go", "Node.js", "Python", "JavaScript", "C++", "Express.js", "React"] },
    { "name": "Data & Streaming", "keywords": ["Apache Kafka", "ClickHouse", "Redis", "PostgreSQL", "MongoDB", "MySQL", "BigTable"] },
    { "name": "DevOps", "keywords": ["Docker", "Kubernetes", "Jenkins", "Ansible", "Git", "NGINX", "Shell Scripting", "CI/CD"] }
  ],
  "awards": [
    {
      "title": "Letter of Appreciation",
      "awarder": "Dr. Rajib Jha, Associate Professor, IIT Patna",
      "summary": "For research contributions during a Computer Vision internship."
    },
    {
      "title": "Ace of Initiatives & On-the-Spot Awards",
      "awarder": "Brevo",
      "summary": "Recognized multiple times for driving impactful system-wide engineering enhancements."
    },
    {
      "title": "AKTU Zonal & State-Level Football Championship — Winner",
      "awarder": "APJ Abdul Kalam Technical University",
      "date": "2018-2019"
    }
  ],
  "interests": [
    {
      "name": "Problem Solving",
      "keywords": ["1,000+ problems solved on LeetCode", "active in the Educative.io developer community"]
    },
    {
      "name": "Football",
      "keywords": ["competitive player"]
    }
  ],
  "education": [
    {
      "institution": "APJ Abdul Kalam Technical University",
      "area": "Computer Science & Engineering",
      "studyType": "B.Tech",
      "score": "84.6%",
      "startDate": "2016",
      "endDate": "2019"
    }
  ]
}