Vanshaj B.

Senior Software Engineer

Delhi, India6 yrs 5 mos experience

Key Highlights

  • Built trading platforms with $1M+ daily transactions.
  • Reduced system latency by 60% through optimization.
  • Led teams to improve performance by 30%.
Stackforce AI infers this person is a Fintech expert specializing in high-performance computing and distributed systems.

Contact

Skills

Core Skills

MicroservicesDistributed SystemsFull-stack DevelopmentFinancial SystemsPerformance Engineering

Other Skills

Docker SwarmPostgreSQLLoad BalancingLow-Level DesignScalabilitySQLApache KafkaLoggingGitSystem ArchitectureAmazon Web Services (AWS)ElasticsearchGo (Programming Language)Continuous Integration and Continuous Delivery (CI/CD)DSA

About

๐Ÿš€ Senior Software Engineer | High-Performance Computing Specialist | Currently Seeking New Opportunities Passionate about building ultra-low-latency systems and distributed architectures that process millions of dollars in transactions daily. Recently affected by layoffs and actively exploring exciting opportunities in fintech, trading systems, and high-performance computing. ๐Ÿ’ก Core Expertise: โœ… System Design: HLD/LLD, Distributed Systems, Microservices Architecture โœ… Performance Optimization: Zero-copy messaging, Lock-free programming, NUMA-aware design โœ… Programming Languages: Java, C++, Python, JavaScript, Go, Kotlin โœ… Data Structures & Algorithms: Top 2% LeetCode (2000+ rating), 500+ problems solved โœ… Cloud & DevOps: AWS, Docker, Kubernetes, Jenkins, CI/CD โœ… Databases: MongoDB, PostgreSQL, Redis, Kafka, ElasticSearch ๐ŸŽฏ Key Achievements: Built trading platforms handling $1M+ daily transactions with 99.9% uptime Reduced system latency by 60% through advanced optimization techniques Led engineering teams of 5+ developers, improving performance by 30% Resolved 150+ performance bottlenecks in mission-critical applications AWS Solutions Architect Associate certified ๐Ÿ”ง Technical Skills: Backend: Spring Boot, Node.js, Express, Django, REST APIs, GraphQL Frontend: ReactJS, Angular, HTML/CSS, JavaScript Real-time Processing: Kafka, Redis, WebSockets, Event-driven architecture System Design: Load balancing, Caching strategies, Database sharding Testing: Unit testing, Integration testing, Performance testing ๐ŸŒŸ Open Source Contributions: Core contributor to multiple repos. Currently seeking Senior Software Engineer, Staff Engineer, or Principal Engineer roles in companies building scalable, performance-critical systems. ๐Ÿ“ง Let's connect: vanshaj810@gmail.com

Experience

6 yrs 5 mos
Total Experience
2 yrs 6 mos
Average Tenure
2 mos
Current Experience

Certifyos

Senior Software Engineer

Mar 2026 โ€“ Present ยท 2 mos ยท New York, United States ยท Remote

Infinity labs india

Senior Software Engineer

Jun 2025 โ€“ Mar 2026 ยท 9 mos ยท Noida, Uttar Pradesh, India ยท Remote

Tradesocio

Senior Software Engineer

Jan 2024 โ€“ Jun 2025 ยท 1 yr 5 mos ยท Noida, Uttar Pradesh, India ยท On-site

  • Built ultra-low-latency trading platform handling $1M+ daily transactions
  • Implemented market data processing using Kafka, reducing system latency by 45%
  • Led cross-functional team of 5 developers, optimizing trading system performance by 30%
  • Designed zero-copy messaging architecture reducing latency by 60%
  • Technologies: Java, C++, Kafka, Redis, AWS, Docker, Kubernetes, PostgreSQL
Docker SwarmPostgreSQLLoad BalancingRedux.jsInfrastructure as code (IaC)Low-Level Design+43

Cavisson systems, inc.

2 roles

Software Engineer

Promoted

Oct 2022 โ€“ Jan 2024 ยท 1 yr 3 mos ยท Noida

  • ๐ŸŽฏ Specialized in performance engineering and optimization for enterprise trading applications
  • Engineered low-latency network code achieving 40% reduction in processing time
  • Resolved 150+ performance bottlenecks in high-frequency trading applications
  • Implemented lock-free patterns and concurrent programming for enhanced throughput
  • Technologies: C++, Java, Linux, Performance tuning, Memory optimization
Docker SwarmJavaPostgreSQLLoad BalancingRedux.jsInfrastructure as code (IaC)+42

Associate Software Engineer

Jun 2022 โ€“ Oct 2022 ยท 4 mos ยท Noida

  • I've dedicated well over 100 hours to acquiring expertise in product design and development, emphasizing a commitment to quality and innovation. My work often involved close collaboration with middle-tier engineers to ensure the seamless integration of front-end code with databases, contributing to the efficiency and performance of projects. My problem-solving skills shone as I effectively addressed and resolved more than 50 software bugs across multiple endeavors, demonstrating my dedication to delivering reliable, high-quality solutions. Through these experiences, I've gained practical knowledge and proficiency in various programming languages and tools, continuously expanding my skill set to meet evolving challenges in the ever-changing tech landscape.
Docker SwarmJavaRedux.jsInfrastructure as code (IaC)Low-Level DesignScalability+28

Pepcoding education private limited

Software Engineer Trainee

Jul 2021 โ€“ Jun 2022 ยท 11 mos ยท Noida, Uttar Pradesh, India

  • ๐ŸŽฏ Full-stack development and system architecture for scalable platforms
  • Key Achievements:
  • Successfully launched platform acquiring 100,000+ active users within 6 months
  • Improved overall system performance by 25% through code optimization and caching strategies
  • Developed and deployed market data APIs processing $1M+ daily transactions with 99.9% uptime
  • Built responsive web interfaces using ReactJS and Node.js for trading dashboards
  • Implemented real-time data streaming using WebSockets and GraphQL
  • Technologies: JavaScript, ReactJS, Node.js, MongoDB, AWS, Real-time systems
Docker SwarmJavaExpress.jsRedux.jsInfrastructure as code (IaC)React.js+30

Freelance (self employed)

2 roles

Freelance Web Developer

Dec 2019 โ€“ Mar 2026 ยท 6 yrs 3 mos ยท Remote

Docker SwarmPostgreSQLLoad BalancingLow-Level DesignScalabilitySQL+21

Open Source Developer

Dec 2019 โ€“ Mar 2026 ยท 6 yrs 3 mos ยท Remote

  • React.js Core Contributor: Enhanced error boundary implementation, contributing to the stability and usability of the framework.
  • NPM Package Enhancements: Added features to popular packages, contributing to their widespread adoption and functionality.
Docker SwarmJavaCascading Style Sheets (CSS)Express.jsPostgreSQLLoad Balancing+38

Education

Lal Bahadur Shastri Institute of Management

Master of Computer Applications - MCA โ€” Computer Science

Jan 2020 โ€“ Jan 2022

Guru Gobind Singh Indraprastha University

bca โ€” Computer Science

Jan 2016 โ€“ Jan 2019

Stackforce found 100+ more professionals with Microservices & Distributed Systems

Explore similar profiles based on matching skills and experience