Charan R.

Full Stack Engineer

Boston, Massachusetts, United States11 yrs 6 mos experience
AI EnabledHighly Stable

Key Highlights

  • 10+ years of experience in software engineering.
  • Expert in AI and cloud-native architecture.
  • Proven track record of optimizing system performance.
Stackforce AI infers this person is a Fintech and SaaS specialist with expertise in cloud-native solutions and AI integration.

Contact

LinkedIn

Skills

Core Skills

Cloud-native ArchitectureAi & Rag ExpertiseHigh-performance SystemsFrontend DevelopmentDevops & Ci/cdTechnical Leadership

Other Skills

MySQLIntegration HubArtificial Intelligence (AI)JavaScriptSecurityJava DevelopmentPython (Programming Language)Cloud ArchitectureMicroservicesAWSDynamoDBFargateKafkaReal-time ProcessingSvelte

About

Lead Software Engineer with 10+ years of experience architecting scalable, cloud-native solutions that drive business growth and operational efficiency. My Expertise: AI & RAG Expertise: • Designed and implemented Retrieval-Augmented Generation (RAG) systems and end-to-end RAG pipelines for improved LLM accuracy and context-aware responses • Specialized in prompt engineering, chain-of-thought prompting, few-shot learning, and fine-tuning prompts to optimize model performance • AI Training & Annotation — evaluated LLM outputs, performed advanced data labeling, reasoning annotation, and quality feedback to enhance large language models • Passionate about integrating AI (RAG, prompt engineering, LLM evaluation) into user-centric applications Cloud-Native Architecture: Designed microservices-based systems that reduced downtime by 30% and cut operational costs by 35% High-Performance Systems: Built distributed systems supporting 1M+ concurrent users with 99.9% uptime Technical Leadership: Led cross-functional teams of 10+ engineers, mentoring talent and fostering cultures of continuous improvement DevOps & CI/CD: Accelerated release cycles by 50% through strategic implementation of Jenkins and Docker pipelines What Drives Me: I'm passionate about transforming complex technical challenges into elegant, scalable solutions. Whether it's optimizing database performance by 60% or migrating legacy systems to modern frameworks, I thrive on delivering measurable impact that aligns with business objectives. Technical Arsenal: ☁️ Cloud & DevOps: AWS (S3, CloudFront), Docker, Jenkins, CI/CD 💻 Backend: Java, Node.js, Spring Boot, SQL 🎨 Frontend: React, React Native, JavaScript (ES6+), HTML5, CSS3, Tailwind CSS 📊 Databases: PostgreSQL, DynamoDB 🛠️ Methodologies: Agile, Microservices Architecture Currently seeking opportunities to leverage my expertise in cloud architecture, system design, and technical leadership to drive innovation and deliver exceptional results.

Experience

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

Tsq s

Full Stack Developer

Feb 2026 – Present · 2 mos · Dallas, Texas, United States · Remote

Hcltech

Lead Software Engineer

May 2022 – Jan 2024 · 1 yr 8 mos · India · Hybrid

  • Transformed legacy monolithic banking systems into Quarkus-based microservices, increasing transaction speed 44% while improving
  • reliability, fault tolerance, and efficiency for enterprise-critical financial operations globally.
  • Conceptualized AWS architecture with Fargate and DynamoDB, decreasing operational expenditures 32% while enhancing resilience,
  • availability, and scalable performance across multinational banking applications securely.
  • Built Kafka streaming pipelines, improving real-time transaction handling capacity 39% while ensuring accurate cross-platform
  • synchronization for compliance, reporting, and auditing processes within financial ecosystems.
  • Developed interactive Svelte dashboards incorporating D3.js, raising user engagement 37% while enabling rapid exploration of
  • investment metrics, actionable insights, and executive decision-making effectively.
  • Implemented Terraform infrastructure automation, reducing manual provisioning 35% while guaranteeing reproducible, error-free
  • deployments across multiple regions, environments, and enterprise-grade cloud clusters consistently.
MySQLIntegration HubArtificial Intelligence (AI)JavaScriptSecurityJava Development+3

Ibm

Senior Application Developer

May 2019 – May 2023 · 4 yrs · Greater Bengaluru Area · On-site

  • Engineered high-availability distributed systems and optimized database performance for enterprise-scale applications serving millions of users.
  • Key Achievements:
  • Designed and developed high-availability distributed system achieving 99.9% uptime and supporting 1M+ concurrent users, ensuring seamless user experience at scale
  • Optimized database queries and indexing strategies, reducing data retrieval times by 60% and dramatically improving overall application performance and user satisfaction
  • Led migration of legacy systems to modern frameworks (Spring Boot, React), reducing maintenance costs by 25% and improving system reliability by 40%
  • Mentored junior developers through code reviews and technical workshops, contributing to 20% improvement in team productivity and code quality
  • Partnered with product managers to translate business requirements into technical solutions, delivering 15+ features aligned with strategic objectives
React.jsService-Level Agreements (SLA)REST/SOAP APIsIntegration HubHigh-Performance SystemsTechnical Leadership

Cognizant

Software Associate

Dec 2017 – May 2019 · 1 yr 5 mos · Bengaluru, Karnataka, India · On-site

  • Developed scalable media-streaming applications with optimized cloud infrastructure, enhancing user engagement and retention.
  • Key Achievements:
  • Developed scalable media-streaming web application using React and Node.js, increasing user engagement by 25% through intuitive UI/UX and responsive design
  • Integrated AWS S3 and CloudFront for optimized content delivery, reducing load times by 40% during peak traffic and improving user satisfaction scores
  • Collaborated with cross-functional teams (design, backend, QA) to implement new features, resulting in 15% increase in user retention and positive user feedback
  • Implemented responsive design principles and performance optimization techniques, ensuring seamless experience across devices and browsers

Thomson reuters

Associate Application Developer

Dec 2015 – Nov 2017 · 1 yr 11 mos · Bangalore Urban, Karnataka, India · On-site

  • Built mobile-responsive websites and enhanced functionality through collaborative development practices.
  • Key Achievements:
  • Developed mobile-responsive versions of client websites using HTML5, CSS3, and JavaScript, improving cross-device user engagement and accessibility
  • Collaborated with designers and backend developers to enhance website functionality, achieving 20% increase in client satisfaction ratings
  • Implemented cross-browser compatibility solutions, ensuring consistent performance across Chrome, Firefox, Safari, and Edge
  • Participated in Agile development cycles, contributing to on-time delivery of 10+ client projects
React.jsJavaScriptDatabasesFrontend Development

Infosys

Project Associate

Jun 2012 – Oct 2015 · 3 yrs 4 mos · Bengaluru, Karnataka, India · On-site

  • Started career as software engineer, completed company training in full stack
  • development, and built strong programming foundations that continue to inform my
  • ServiceNow work today.
  • Key Contributions:
  • Developed frontend and backend components using JavaScript, jQuery, Node.js
  • Worked with both SQL and NoSQL databases, learning data modeling and query
  • optimization
  • Built RESTful APIs and third-party integrations, learning API design principles
  • Participated in code reviews and received mentorship establishing best practices
  • for code quality
  • Strong 3.5-year tenure building career foundation. Left to pursue more advanced Java, React
  • and modern JavaScript opportunities.
  • Technologies: Java, SpringBoot, JavaScript, Node.js, MySQL, MongoDB, Express.js, REST APIs

Education

Clark University

Master's degree — Computer Science

Aug 2024 – Dec 2025

Ramaiah Institute Of Technology

Computer Application — Computer Science

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