Top Talent like Daniel are on Pangea

Pangea, a YC company, connects companies with fractional talent. Fractional hiring allows companies to move faster and work with more specialized talent, while giving talent more flexibility and independence. If you are talent open to fractional work, apply here. If you’re a company looking for high-quality fractional talent, learn more here.
Recently Active

Daniel Lopez

Full-stack Engineer
Available for hire fromNegotiable
Contracts
Experienced Software Engineer Specializing in Microservices, SaaS, and Cybersecurity
Software Engineer with 7+ years of work experience in all phases of the Software Development Life Cycle (SDLC) including software design, development, testing, maintenance, enhancement, and implementation of Enterprise applications. Extensive experience in microservices architecture, SaaS platforms, and cybersecurity threat detection.

Work History

U

Senior Software Engineer

uShip• Transformed a legacy C# monolith system into a modern serverless architecture using AWS Lambda, TypeScript, and the Serverless framework. • Utilized DynamoDB as the primary database for its scalability and performance in the serverless stack. • Used ElectroDB library for efficient handling and interaction with DynamoDB. • Actively took part in the migration of a monolithic admin system to a new stack with React.js for the frontend and TypeScript and Node.js for the backend, hosted on AWS Lambda. • Implemented Apollo GraphQL for seamless API communication between the admin frontend and backend. • Designed and implemented data models to efficiently manage and retrieve large datasets. • Implemented SQS for smooth message processing, ensuring reliable and scalable message queuing. • Utilized Dead Letter Queues (DLQ) to handle message failures, ensuring safe and reliable message processing. • Integrated PagerDuty for robust alerting and incident management, enhancing system reliability and response times. • Acted as the Subject Matter Expert (SME) for carrier verification integrations, enhancing customer success and service reliability. • Integrated Okta for admin authentication using OAuth, ensuring secure access control. • Managed JWT tokens for secure and stateless authentication across the platform.
S

Co-Founder

SphereNewsDeveloping All-in-one global News platform
I

Full Stack Engineer

IronNetOct 2020 - Nov 2023 • 3 yrs 2 mos• Developed a scalable multi-tenant SaaS platform for cybersecurity threat detection, focusing on high-availability, security, and scalability. • Built interactive UI components using React and TypeScript, creating a responsive and engaging user experience. • Managed state efficiently with Redux Toolkit Query, handling API requests and implementing effective caching strategies. • Implemented real-time data visualization for threat analytics using WebSocket and Redux, ensuring smooth state management and fast updates. • Built a couple of serverless microservices using AWS Lambda, optimizing for cost-efficiency and scalability. • Integrated DynamoDB for handling high-volume, low-latency transactional data, optimizing read/write performance for real-time processing. • Developed real-time data analytics pipelines in Python, enabling fast, reliable threat detection and efficient data processing. • Built a robust admin application using Django, enabling internal teams to manage multi-tenant configurations, user roles, and access controls. • Developed RESTful APIs using Django REST Framework (DRF), allowing admins to manage cybersecurity data, track system performance, and generate user activity reports. Ensured secure access to admin APIs with JWT-based authentication and role-based permissions. • Utilized Django ORM to interact with PostgreSQL, implementing optimized queries for large datasets to support real-time analytics and admin data insights. Automated periodic data cleanup and migration processes using Django management commands. • Containerized backend services using Docker, enabling seamless integration with CI/CD pipelines for automated testing and deployment. • Implemented unit and integration tests using Jest and React Testing Library for the frontend, Jest/PyTest for backend functions. • Set up comprehensive logging with AWS CloudWatch and Elasticsearch, capturing real-time logs and metrics for debugging and monitoring.
M

Full Stack Developer

McKinsey & CompanyJul 2018 - Oct 2020 • 2 yrs 4 mos• Developed and maintained a scalable eCommerce platform using React for the frontend, ensuring a responsive and user-friendly interface that adapted to different devices. • Designed and implemented a microservices architecture using Node.js with Express.js, boosting modularity and maintainability of the entire application. • Utilized MongoDB as the primary database, leveraging Mongoose as an ORM to streamline data handling and enforce schema validation. • Integrated RabbitMQ as a message broker for efficient communication between microservices, improving system reliability and message handling performance. • Led the integration of Stripe as the payment processor, reducing transaction errors and enhancing overall payment reliability and user trust. • Conducted thorough testing and validation of payment flows, ensuring PCI compliance and meeting security standards for safe, reliable transactions. • Developed a real-time reporting and analytics microservice using Python Flask, using libraries such as Pandas and NumPy for data manipulation and analysis. • Implemented a dynamic pricing engine that adjusted offers in real-time based on user activity and inventory levels, leading to increased conversions during peak periods. • Introduced Docker for containerization, simplifying the development and deployment pipeline across multiple environments. • Created a full backup script for the MongoDB database using Python, ensuring data integrity and smooth recovery during system updates and maintenance. • Automated CI/CD pipelines using Jenkins, streamlining the build and deployment processes, resulting in faster, more reliable releases. • Integrated Datadog for real-time system monitoring, reducing downtime and proactively identifying performance issues.
U

Frontend Developer

Unique Software DevelopmentNov 2016 - Jun 2018 • 1 yr 8 mosDeveloped and maintained responsive web applications using HTML, CSS, JavaScript and its frameworks like React.js and Angular.

Education

C

Concordia University Texas

Bachelor's degree, Computer Science2012 - 2016

How Pangea Works

Effortlessly discover top talent

We’ve distilled the candidate search from endless hours down to just a few minutes. Using Pangea’s AI-powered search tools, you can find top fractional talent able to take on your next project. Our system looks at your company’s niche and your needs to find the perfect match faster than any traditional hiring platform.

Start working with talent today

The top talent on Pangea is ready to get started with you right now. You can message or hire a candidate right from their profile page and start assigning work as soon as they respond. And the best part? Pangea’s fractional contract structure lets you start small and ramp up as your needs change, keeping your costs manageable and your team’s capabliities flexible.

Track work and invoices in one place

Assign tasks, track progress, and complete invoices all on Pangea. We’ve combined every part of the hiring process into one platform to eliminate the miscommunication that’s unavoidable on other freelance platforms. We even send out 1099s to your contractors at the end of the year!

Talk with a Talent Expert

Members of our team are available to help you speed through the hiring process.
Available Now
Book a Call
Recently Active
Experienced Software Engineer Specializing in Microservices, SaaS, and Cybersecurity
Software Engineer with 7+ years of work experience in all phases of the Software Development Life Cycle (SDLC) including software design, development, testing, maintenance, enhancement, and implementation of Enterprise applications. Extensive experience in microservices architecture, SaaS platforms, and cybersecurity threat detection.

Talk with a Talent Expert

Members of our team are available to help you speed through the hiring process.
Available Now
Book a Call

Top Talent like Daniel are on Pangea

Pangea, a YC company, connects companies with fractional talent. Fractional hiring allows companies to move faster and work with more specialized talent, while giving talent more flexibility and independence. If you are talent open to fractional work, apply here. If you’re a company looking for high-quality fractional talent, learn more here.

Daniel Lopez

Full-stack Engineer
Available for hire fromNegotiable
Contracts

Work History

U

Senior Software Engineer

uShip• Transformed a legacy C# monolith system into a modern serverless architecture using AWS Lambda, TypeScript, and the Serverless framework. • Utilized DynamoDB as the primary database for its scalability and performance in the serverless stack. • Used ElectroDB library for efficient handling and interaction with DynamoDB. • Actively took part in the migration of a monolithic admin system to a new stack with React.js for the frontend and TypeScript and Node.js for the backend, hosted on AWS Lambda. • Implemented Apollo GraphQL for seamless API communication between the admin frontend and backend. • Designed and implemented data models to efficiently manage and retrieve large datasets. • Implemented SQS for smooth message processing, ensuring reliable and scalable message queuing. • Utilized Dead Letter Queues (DLQ) to handle message failures, ensuring safe and reliable message processing. • Integrated PagerDuty for robust alerting and incident management, enhancing system reliability and response times. • Acted as the Subject Matter Expert (SME) for carrier verification integrations, enhancing customer success and service reliability. • Integrated Okta for admin authentication using OAuth, ensuring secure access control. • Managed JWT tokens for secure and stateless authentication across the platform.
S

Co-Founder

SphereNewsDeveloping All-in-one global News platform
I

Full Stack Engineer

IronNetOct 2020 - Nov 2023 • 3 yrs 2 mos• Developed a scalable multi-tenant SaaS platform for cybersecurity threat detection, focusing on high-availability, security, and scalability. • Built interactive UI components using React and TypeScript, creating a responsive and engaging user experience. • Managed state efficiently with Redux Toolkit Query, handling API requests and implementing effective caching strategies. • Implemented real-time data visualization for threat analytics using WebSocket and Redux, ensuring smooth state management and fast updates. • Built a couple of serverless microservices using AWS Lambda, optimizing for cost-efficiency and scalability. • Integrated DynamoDB for handling high-volume, low-latency transactional data, optimizing read/write performance for real-time processing. • Developed real-time data analytics pipelines in Python, enabling fast, reliable threat detection and efficient data processing. • Built a robust admin application using Django, enabling internal teams to manage multi-tenant configurations, user roles, and access controls. • Developed RESTful APIs using Django REST Framework (DRF), allowing admins to manage cybersecurity data, track system performance, and generate user activity reports. Ensured secure access to admin APIs with JWT-based authentication and role-based permissions. • Utilized Django ORM to interact with PostgreSQL, implementing optimized queries for large datasets to support real-time analytics and admin data insights. Automated periodic data cleanup and migration processes using Django management commands. • Containerized backend services using Docker, enabling seamless integration with CI/CD pipelines for automated testing and deployment. • Implemented unit and integration tests using Jest and React Testing Library for the frontend, Jest/PyTest for backend functions. • Set up comprehensive logging with AWS CloudWatch and Elasticsearch, capturing real-time logs and metrics for debugging and monitoring.
M

Full Stack Developer

McKinsey & CompanyJul 2018 - Oct 2020 • 2 yrs 4 mos• Developed and maintained a scalable eCommerce platform using React for the frontend, ensuring a responsive and user-friendly interface that adapted to different devices. • Designed and implemented a microservices architecture using Node.js with Express.js, boosting modularity and maintainability of the entire application. • Utilized MongoDB as the primary database, leveraging Mongoose as an ORM to streamline data handling and enforce schema validation. • Integrated RabbitMQ as a message broker for efficient communication between microservices, improving system reliability and message handling performance. • Led the integration of Stripe as the payment processor, reducing transaction errors and enhancing overall payment reliability and user trust. • Conducted thorough testing and validation of payment flows, ensuring PCI compliance and meeting security standards for safe, reliable transactions. • Developed a real-time reporting and analytics microservice using Python Flask, using libraries such as Pandas and NumPy for data manipulation and analysis. • Implemented a dynamic pricing engine that adjusted offers in real-time based on user activity and inventory levels, leading to increased conversions during peak periods. • Introduced Docker for containerization, simplifying the development and deployment pipeline across multiple environments. • Created a full backup script for the MongoDB database using Python, ensuring data integrity and smooth recovery during system updates and maintenance. • Automated CI/CD pipelines using Jenkins, streamlining the build and deployment processes, resulting in faster, more reliable releases. • Integrated Datadog for real-time system monitoring, reducing downtime and proactively identifying performance issues.
U

Frontend Developer

Unique Software DevelopmentNov 2016 - Jun 2018 • 1 yr 8 mosDeveloped and maintained responsive web applications using HTML, CSS, JavaScript and its frameworks like React.js and Angular.

Education

C

Concordia University Texas

Bachelor's degree, Computer Science2012 - 2016

How Pangea Works

Effortlessly discover top talent

We’ve distilled the candidate search from endless hours down to just a few minutes. Using Pangea’s AI-powered search tools, you can find top fractional talent able to take on your next project. Our system looks at your company’s niche and your needs to find the perfect match faster than any traditional hiring platform.

Start working with talent today

The top talent on Pangea is ready to get started with you right now. You can message or hire a candidate right from their profile page and start assigning work as soon as they respond. And the best part? Pangea’s fractional contract structure lets you start small and ramp up as your needs change, keeping your costs manageable and your team’s capabliities flexible.

Track work and invoices in one place

Assign tasks, track progress, and complete invoices all on Pangea. We’ve combined every part of the hiring process into one platform to eliminate the miscommunication that’s unavoidable on other freelance platforms. We even send out 1099s to your contractors at the end of the year!

Talk with a Talent Expert

Members of our team are available to help you speed through the hiring process.
Available Now
Book a Call
Pangea empowers fractional work across the world for marketing and design roles.