Jonatan Camarena

 Senior Software Engineer 📧-| 🌐 LinkedIn | GitHub | GitLab Jonatan Omar Camarena Ortega Summary I am a Senior Full-Stack Software Engineer with 9+ years of experience delivering scalable, high-performance web and hybrid mobile applications. I specialize in full-stack development, cloud-native solutions, DevOps, and software architecture. I have contributed across all stages of the software development life cycle — from taking products from concept to launch, to joining established production systems and driving enhancements, performance improvements, and modernization efforts. I have a proven track record of building and modernizing systems, implementing microservices, and optimizing CI/CD pipelines to improve delivery speed and reliability. I am skilled at leading technical initiatives, collaborating across teams, and delivering impactful solutions for industries including finance, real estate, and enterprise platforms. For the past two years, I have also served as an Engineering Manager, leading distributed teams, guiding technical strategy, and mentoring developers — adding leadership and delivery management experience that complements my engineering expertise. Core Skills Frontend: ReactJS, React Native, VueJS, AngularJS, Storybook Backend: Node.js, NestJS, Express, FastAPI, Laravel, Django Cloud & DevOps: AWS (Cognito, Lambda, SNS, Amplify, SAM, ECS, EC2, VPC, Client VPN, CloudWatch), Docker, GitLab CI/CD, Bitbucket Pipelines, Heroku, DigitalOcean Architecture: Microservices, Event-Driven Systems, API Design, Legacy Migrations Databases: PostgreSQL, MySQL, MongoDB, Oracle, SQL Server Testing: Jest, React Testing Library, CypressIO Leadership & Management: KPIs, Workforce Planning, Hiring, Bench Management, Salary Negotiations, Technical & Managerial Interviews, Mentoring, Resource Allocation, Performance Reviews Other: GraphQL, REST APIs, Shopify, Sequelize, Linux, Git, Serverless Framework, AWS CDK, Terraform Professional Experience EPAM Systems —  Lead Software Developer & Engineering Manager Mar 2021 – Present | epam.com Morgan Stanley – Lead Software Developer 2021 – 2023 • Led the architecture and development of a high-security trading platform using React, Storybook, AWS, and Docker in a regulated financial environment. • Built reusable UI components and an internal design system, reducing feature delivery time by 30%. • Implemented GitLab CI/CD pipelines, containerized deployments with Docker, and provisioned AWS infrastructure for scalability and high availability. • Collaborated with security teams to meet strict compliance requirements, reducing potential vulnerabilities and improving audit scores. • Balanced greenfield feature delivery with continuous improvements to a stable, mission-critical production platform. Quicken – Senior Full-Stack Developer 2023 – 2024 • Led the migration from a legacy Magento e-commerce store to a headless BigCommerce architecture, using Express as the backend layer to integrate with BigCommerce APIs. • Architected the migration plan, coordinated cross-team efforts, and ensured a seamless cutover with zero downtime for customers. • Developed a React-based internal dashboard for metrics and operational management, streamlining business processes. • Built JavaScript vanilla-based checkout flows and online store interfaces for optimal performance and minimal dependencies. • Implemented Bitbucket pipelines for automated testing and deployment, enabling faster release cycles. Cox Automotive – Senior Full-Stack & DevOps Engineer 2024 – 2025 • Maintained and enhanced multiple REST APIs, a React Native mobile application, and React web applications serving a large customer base. • Designed and deployed AWS infrastructure components, including Lambdas, ECS, EC2, and Docker containers, using Serverless Framework, AWS CDK, and Terraform. • Integrated Sprinkle analytics into React applications to improve user insights and product decision-making. • Built and optimized AWS ECS CI/CD pipelines, implemented VPC networking and Client VPN access, and configured CloudWatch monitoring for proactive issue detection. • Led performance tuning, security hardening, and deployment automation efforts to support highly available, production-grade systems. Engineering Manager (Concurrent Role) 2023 – Present • Define and track KPIs to measure delivery performance, code quality, system reliability, and team efficiency. • Lead workforce planning, including hiring strategies, salary negotiations, and career progression pathways to retain top talent. • Conduct bench management to optimize resource utilization and ensure readiness for upcoming projects. • Oversee and participate in technical and managerial interviews for new hires, ensuring alignment with company culture and skill requirements. • Drive upskilling programs to align the workforce with current and emerging industry needs, including cloud technologies, DevOps, and modern development practices. • Collaborate with stakeholders to align technical roadmaps with business priorities, ensuring on-time delivery of strategic initiatives. • Foster a culture of collaboration, accountability, and continuous learning, resulting in higher team engagement and reduced turnover. GrainChain — Technical Lead Apr 2020 – Mar 2021 | grainchain.io • Designed and built a real estate title transactions platform from the ground up using a full-stack JavaScript approach with AWS deployment. • Defined system architecture, data models, and API design for scalability and maintainability. • Established Docker-based local development and automated testing pipelines. • Oversaw the full life cycle of the platform — from concept, architecture, and development to deployment and post-launch enhancements. Blackstone Studio — Full-Stack Developer Jun 2019 – Apr 2020 | blackstone.studio • Developed enterprise accounting and communication tools for high-profile entertainment clients using microservices and AWS cloud services. • Migrated legacy systems to microservices architecture, enhancing scalability and deployment flexibility. • Delivered features for both newly developed modules and long-standing production applications, ensuring smooth integration and performance consistency. Devpros —  Full-Stack Developer Jun 2018 – Jun 2019 | devpros.co • Built and maintained a multi-language, multi-level business platform serving millions of global users. • Delivered high-performance features with strong emphasis on security, scalability, and maintainability. • Balanced new feature development with ongoing improvements to mature production systems. TICMAR — Freelance Full-Stack Developer Jan 2018 – Jun 2018 • Led the full life cycle of a custom school management platform — from planning and architecture to development, deployment, and ongoing maintenance. • Built a Laravel + VueJS web application that handled all school processes: schedules, evaluations, assignments, tests, projects, homework, attendance tracking, and class overviews. • Deployed and managed the solution on a Linux server with Nginx, ensuring high availability and performance. • Designed database schema, implemented secure authentication, and optimized queries for performance. OOH Marketing —  Full-Stack Developer Nov 2017 – Dec 2017 Project: SIAPA – Online Water Service Payments • Developed a Laravel-based online payment portal for water utility services, including payment history management. • Built the frontend with VanillaJS and jQuery for lightweight performance. • Integrated secure payment workflows with backend APIs to ensure compliance and transaction safety. • Collaborated directly with clients to define requirements and deliver a fully functional product within tight deadlines. SINNEG — Junior Full-Stack Developer Jun 2016 – Jun 2017 | sinneg.com • Assisted in the development and maintenance of a medical equipment sales and service management platform. • Built expense tracking modules for out-of-town employees (tolls, hotels, food, fuel) using Laravel and AngularJS. • Worked on Dropbox API integration for file storage and retrieval within the system. • Assisted in server setup and maintenance on Linux (Nginx) environments, gaining early DevOps exposure. • Learned and applied best practices in Laravel MVC structure, REST API integration, and VueJS components. Education Instituto Tecnológico de Tepic Bachelor’s Degree, Software Engineering Ingeniería en Sistemas Computacionales Major in Web Technologies and Mobile Devices- Languages Spanish: Native English: Native