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I am an innovative and results-driven Full Stack Developer with over 6 years of experience designing, developing, and deploying scalable, high-performance applications across diverse technology stacks. I excel at crafting end-to-end software solutions, integrating advanced AI/ML models, and delivering production-grade software that drives measurable business outcomes. I am proficient in numerous frontend frameworks like React and Angular, backend technologies like Python/Django and Node.js, and cloud platforms including AWS and Firebase. I am recognized for delivering mission-critical features on time, optimizing system performance, and collaborating seamlessly with cross-functional teams in agile environments. Throughout my career, I have built and maintained APIs serving thousands of concurrent users, implemented AI-driven customer support solutions, developed cross-platform components in C++, and optimized databases for scalability and low latency. My approach involves continual mentorship of junior developers, performance tuning, and proactive error handling to maintain robust, reliable applications.…I am an innovative and results-driven Full Stack Developer with over 6 years of experience designing, developing, and deploying scalable, high-performance applications across diverse technology stacks. I excel at crafting end-to-end software solutions, integrating advanced AI/ML models, and delivering production-grade software that drives measurable business outcomes. I am proficient in numerous frontend frameworks like React and Angular, backend technologies like Python/Django and Node.js, and cloud platforms including AWS and Firebase. I am recognized for delivering mission-critical features on time, optimizing system performance, and collaborating seamlessly with cross-functional teams in agile environments. Throughout my career, I have built and maintained APIs serving thousands of concurrent users, implemented AI-driven customer support solutions, developed cross-platform components in C++, and optimized databases for scalability and low latency. My approach involves continual mentorship of junior developers, performance tuning, and proactive error handling to maintain robust, reliable applications.

Einar Montalvo

Full Stack Developer, Developer, Programmer, +2

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I am an innovative and results-driven Full Stack Developer with over 6 years of experience designing, developing, and deploying scalable, high-performance applications across diverse technology stacks. I excel at crafting end-to-end software solutions, integrating advanced AI/ML models, and delivering production-grade software that drives measurable business outcomes. I am proficient in numerous frontend frameworks like React and Angular, backend technologies like Python/Django and Node.js, and cloud platforms including AWS and Firebase. I am recognized for delivering mission-critical features on time, optimizing system performance, and collaborating seamlessly with cross-functional teams in agile environments. Throughout my career, I have built and maintained APIs serving thousands of concurrent users, implemented AI-driven customer support solutions, developed cross-platform components in C++, and optimized databases for scalability and low latency. My approach involves continual mentorship of junior developers, performance tuning, and proactive error handling to maintain robust, reliable applications.…I am an innovative and results-driven Full Stack Developer with over 6 years of experience designing, developing, and deploying scalable, high-performance applications across diverse technology stacks. I excel at crafting end-to-end software solutions, integrating advanced AI/ML models, and delivering production-grade software that drives measurable business outcomes. I am proficient in numerous frontend frameworks like React and Angular, backend technologies like Python/Django and Node.js, and cloud platforms including AWS and Firebase. I am recognized for delivering mission-critical features on time, optimizing system performance, and collaborating seamlessly with cross-functional teams in agile environments. Throughout my career, I have built and maintained APIs serving thousands of concurrent users, implemented AI-driven customer support solutions, developed cross-platform components in C++, and optimized databases for scalability and low latency. My approach involves continual mentorship of junior developers, performance tuning, and proactive error handling to maintain robust, reliable applications.

Available to hire

I am an innovative and results-driven Full Stack Developer with over 6 years of experience designing, developing, and deploying scalable, high-performance applications across diverse technology stacks. I excel at crafting end-to-end software solutions, integrating advanced AI/ML models, and delivering production-grade software that drives measurable business outcomes. I am proficient in numerous frontend frameworks like React and Angular, backend technologies like Python/Django and Node.js, and cloud platforms including AWS and Firebase. I am recognized for delivering mission-critical features on time, optimizing system performance, and collaborating seamlessly with cross-functional teams in agile environments. Throughout my career, I have built and maintained APIs serving thousands of concurrent users, implemented AI-driven customer support solutions, developed cross-platform components in C++, and optimized databases for scalability and low latency. My approach involves continual mentorship of junior developers, performance tuning, and proactive error handling to maintain robust, reliable applications.

Skills

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Intermediate

Work Experience

Full Stack Developer at Tech Innovators Corp

February 1, 2023 - Present

Built and maintained high-performance APIs using Python (FastAPI) and Golang serving thousands of concurrent users. Developed Java Spring Boot microservices for data-heavy workloads. Implemented AI-driven customer support solutions with GPT-4 and LangChain, reducing manual ticket resolution time. Designed and built secure admin dashboards using .NET and React with RBAC, OAuth2, JWT, and API Gateway integration. Built cross-platform C++ components for image processing integrated via REST and WebSockets. Collaborated with frontend teams, optimized PostgreSQL and MySQL queries for database scalability, and improved frontend performance through lazy loading, code splitting, and caching. Set up centralized logging, monitoring, and alerting with ELK, Prometheus, and Grafana. Mentored junior developers on best practices and CI/CD workflows.

Software Engineer at Creative Solutions Ltd

January 31, 2023 - August 29, 2025

Developed event-driven backend services in Golang with Kafka and ClickHouse for analytics and high-volume processing. Built responsive web applications using PHP (Laravel), Ruby on Rails, and modern frontend frameworks like React and Vue.js. Integrated C++ modules into Python and Golang services via gRPC and native bindings to optimize CPU-bound processes. Utilized Modern C++17 features to reduce memory usage and improve execution speed. Integrated AWS infrastructure (ECS, Lambda, RDS) for scalable full stack application deployment. Automated CI/CD pipelines using Jenkins and GitHub Actions to ensure zero-downtime releases. Implemented caching with Redis and Memcached to enhance performance. Collaborated with product designers and QA for seamless user experience, monitored system performance, and created internal dashboards combining backend data pipelines with interactive frontend visualizations.

Junior Developer at Innovative Software Solutions Inc

May 31, 2020 - August 29, 2025

Developed Node.js APIs for inventory and order management integrated with React frontend components. Built responsive UI components ensuring cross-browser compatibility and mobile responsiveness. Implemented caching and retry logic to improve API reliability and frontend load performance. Assisted in designing MongoDB and PostgreSQL database schemas. Monitored application performance using logging and error tracking tools. Wrote automated tests for UI and backend APIs to maintain high code quality. Documented work thoroughly.

Full Stack Developer at Tech Innovators Corp

February 1, 2023 - Present

Built and maintained high-performance APIs using Python (FastAPI) and Golang, serving thousands of concurrent users. Developed Java Spring Boot microservices for data-heavy workloads. Implemented AI-driven customer support solutions with GPT-4 and LangChain, reducing manual ticket resolution time. Designed and built secure admin dashboards using .NET and React, implementing RBAC, OAuth2, JWT, and API Gateway integration. Built cross-platform components in C++ for image processing and integrated them into web services via REST and WebSockets. Collaborated closely with frontend teams to develop seamless UI/UX. Optimized PostgreSQL and MySQL queries, reducing latency and ensuring database scalability. Implemented frontend performance improvements such as lazy loading, code splitting, and caching strategies. Set up centralized logging, monitoring, and alerts using ELK stack, Prometheus, and Grafana. Mentored junior developers on both frontend and backend best practices, code reviews, and C

Software Engineer at Creative Solutions Ltd

January 31, 2023 - August 29, 2025

Developed event-driven backend services in Golang with Kafka and ClickHouse for analytics and high-volume processing. Built responsive web applications using PHP (Laravel), Ruby on Rails, and modern frontend frameworks (React/Vue.js). Integrated C++ modules into Python and Golang services via gRPC and native bindings to optimize CPU-bound processes. Used Modern C++17 features such as smart pointers, move semantics, and multithreading to reduce memory usage and improve execution speed. Managed AWS infrastructure (ECS, Lambda, RDS) for scalable deployment of full stack applications. Automated CI/CD pipelines with Jenkins and GitHub Actions for frontend and backend, ensuring zero-downtime releases. Implemented caching with Redis and Memcached, improving frontend load times and backend throughput. Collaborated with product designers and QA to deliver seamless user experiences and responsive interfaces. Monitored system performance and implemented proactive error handling. Created internal

Junior Developer at Innovative Software Solutions Inc

May 31, 2020 - August 29, 2025

Developed Node.js APIs for inventory and order management, integrated with frontend components using React. Built responsive UI components ensuring cross-browser compatibility and mobile responsiveness. Implemented caching and retry logic to improve API reliability and frontend load performance. Assisted in designing database schemas for MongoDB and PostgreSQL. Monitored application performance on both frontend and backend using logging and error tracking tools. Wrote automated tests for UI and backend APIs to maintain high code quality. Documented development work thoroughly.

Full Stack Developer at Tech Innovators Corp

February 1, 2023 - Present

Built and maintained high-performance APIs using Python (FastAPI) and Golang, serving thousands of concurrent users. Developed Java Spring Boot microservices for data-heavy work. Implemented AI-driven customer support solutions with GPT-4 and LangChain, reducing manual ticket resolution time. Designed and built secure admin dashboards using .NET and React, implementing RBAC, OAuth2, JWT, and API Gateway integration. Built cross-platform components in C++ for image processing integrated into web services. Optimized PostgreSQL and MySQL queries for low latency and scalability. Improved frontend performance with lazy loading, code splitting, and caching. Set up centralized logging, monitoring, and alerting using ELK stack, Prometheus, and Grafana. Mentored junior developers on frontend and backend best practices, code reviews, and CI/CD workflows.

Software Engineer at Creative Solutions Ltd

January 31, 2023 - August 29, 2025

Developed event-driven backend services in Golang leveraging Kafka and ClickHouse for analytics and high-volume processing. Built responsive web applications using PHP (Laravel), Ruby on Rails, and modern frontend frameworks React and Vue.js. Integrated C++ modules into Python and Golang services via gRPC and native bindings to optimize CPU-bound processes. Used Modern C++17 features like smart pointers, move semantics, and multithreading to reduce memory usage and improve execution speed. Integrated AWS infrastructure (ECS, Lambda, RDS) for scalable deployment. Automated CI/CD pipelines with Jenkins and GitHub Actions enabling zero-downtime releases. Implemented caching with Redis and Memcached to enhance frontend load times and backend throughput. Collaborated with product designers and QA to deliver seamless user experiences. Created internal dashboards combining backend data pipelines with interactive frontend visualizations.

Junior Developer at Innovative Software Solutions Inc

May 31, 2020 - August 29, 2025

Developed Node.js APIs for inventory and order management integrated with frontend React components. Built responsive UI components ensuring cross-browser compatibility and mobile responsiveness. Implemented caching and retry logic to improve API reliability and frontend performance. Assisted in designing database schemas for MongoDB and PostgreSQL for efficient data storage. Monitored application performance using logging and error tracking tools. Wrote automated tests for UI and backend APIs to maintain quality. Documented development work thoroughly.

Full Stack Developer at Tech Innovators Corp

February 1, 2023 - Present

Built and maintained high-performance APIs using Python (FastAPI) and Golang, serving thousands of concurrent users. Developed Java Spring Boot microservices for data-heavy workloads. Implemented AI-driven customer support solutions leveraging GPT-4 and LangChain, significantly reducing manual ticket resolution time. Designed and built secure admin dashboards using .NET and React, incorporating RBAC, OAuth2, JWT, and API Gateway integrations. Developed cross-platform C++ components for image processing, integrating them via REST and WebSockets. Optimized PostgreSQL and MySQL queries to reduce latency and enhance scalability. Improved frontend performance with lazy loading, code splitting, and caching strategies. Established centralized logging, monitoring, and alerting using ELK stack, Prometheus, and Grafana. Mentored junior developers on best practices, code reviews, and CI/CD workflows.

Software Engineer at Creative Solutions Ltd

January 31, 2023 - August 29, 2025

Developed event-driven backend services in Golang integrating Kafka and ClickHouse for analytics and high-volume processing tasks. Built responsive web applications using PHP (Laravel), Ruby on Rails, and modern frontend frameworks such as React and Vue.js. Integrated C++ modules into Python and Golang services using gRPC and native bindings to optimize CPU-bound operations. Applied Modern C++17 features including smart pointers, move semantics, and multithreading to reduce memory usage and improve execution speed. Managed scalable deployment on AWS infrastructure utilizing ECS, Lambda, and RDS. Automated CI/CD pipelines with Jenkins and GitHub Actions ensuring zero-downtime releases. Implemented caching strategies with Redis and Memcached to enhance frontend load times and backend throughput. Collaborated closely with product designers and QA teams to deliver seamless user experiences and responsive UI components. Monitored system performance proactively, implementing error handling f

Junior Developer at Innovative Software Solutions Inc

May 31, 2020 - August 29, 2025

Developed Node.js APIs supporting inventory and order management, integrating with React frontend components. Built responsive UI components ensuring cross-browser compatibility and mobile responsiveness. Implemented caching and retry logic to enhance API reliability and frontend performance. Assisted in designing database schemas for MongoDB and PostgreSQL ensuring efficient data storage. Monitored application performance across frontend and backend using logging and error tracking tools. Authored automated tests for UI and backend APIs to maintain code quality. Created documentation to support ongoing development and maintenance.