Christoph Salat
Verified Expert in Engineering
Software Developer
Vienna, Austria
Toptal member since September 30, 2019
Chris is a seasoned software developer with over a decade of experience in the field. Equipped with a diverse range of skills and knowledge across various technologies and programming languages, he possesses a comprehensive understanding of all aspects of full-stack development. With a keen intuition and drive to comprehend the larger context of problems, Chris consistently devises inventive and well-considered solutions to complex challenges.
Portfolio
Experience
- PHP - 11 years
- SQL - 11 years
- HTML - 11 years
- Amazon Web Services (AWS) - 7 years
- Node.js - 6 years
- Vue - 4 years
- React - 4 years
- Next.js - 3 years
Availability
Preferred Environment
Git, MacOS, Linux, Amazon Web Services (AWS), Agile Software Development, APIs, IntelliJ IDEA, Next.js, Node.js, Windows
The most amazing...
...platform I've built enables online sponsorship of children and seniors with easy access to their profiles and automatic updates, replacing a manual process.
Work Experience
Senior Lead Vue Developer
Wallabit Media LLC
- Transitioned back-end environment from DigitalOcean to AWS, incorporating automated tests and deployment pipelines, enhancing system stability, and reducing deployment time.
- Engineered a new server architecture tailored to application needs, improving efficiency and scalability and supporting increased performance.
- Managed a high-availability socket supporting over 1000 concurrent connections with high throughput, ensuring reliable real-time data transmission and reducing downtime.
- Maintained and debugged a real-time front end, swiftly resolving issues and implementing bug fixes, improving user satisfaction.
Project Manager
blueDRM
- Designed and developed an application in Vue for comparing print offers from various suppliers, enabling users to identify the best deal based on price and conditions, leading to significant cost savings.
- Implemented an AWS-based infrastructure with DynamoDB for the application, ensuring robust performance and scalability while incorporating automated deployment processes for seamless updates.
- Successfully onboarded and integrated around 40 suppliers into the application, providing a centralized platform for one company to manage print inquiries and achieve up to a 30% reduction in total expenses.
Full-stack Developer
Peyton & Greyson Solutions Inc.
- Extended the existing front-end of the application and added necessary back-end functionality to meet project requirements, resulting in improved user experience and increased customer satisfaction.
- Managed and coached another front-end developer, providing valuable feedback and guidance on how to use certain parts of the application and ensuring the overall quality of the code.
- Played a key role in integrating Stripe payments into the application and implementing monitoring functionality, resulting in improved payment processing and increased application performance.
- Provided valuable input on AWS-specific functionalities, contributing to the project's overall success.
Nuxt.js and Node.js Developer
Share My Telly Job CIC
- Transferred a Nuxt.js application to AWS, resulting in increased performance, reduced hosting costs, and more control.
- Implemented advanced security measures, including data encryption, to protect the client's sensitive information.
- Provided technical consultation to the client and attended meetings to ensure a seamless transition to the new hosting environment.
Full-stack Developer
Artistic Fuel
- Revamped an outdated React Native application by updating it to the latest versions and introducing new features, resulting in a more modern and user-friendly experience.
- Designed user interfaces for a React Native application using wireframes, ensuring a well-organized and intuitive user experience.
- Developed a customized chat feature using WebSockets for an application, providing users with a seamless and efficient communication channel.
Technical Lead
VIElfalt OM GmbH
- Developed a custom plugin for creating shipping labels to automate parts of the process of receiving orders and shipping the product.
- Set up various shop environments for comparison and evaluation.
- Monitored customer movement and evaluated performance and quality of the shopping experience.
Full-stack Developer
404 Publishing
- Developed speed improvements for calculations on a distributed network of Node.js instances, which communicate with each other and rely on each other's data.
- Configured and implemented an audio streaming service to stream a radio show on a Next.js page.
- Extended the functionality of the front end and increased stability and loading times.
App Developer
Social News Desk, Inc.
- Ensured application security by updating library dependencies and adjusting source code.
- Improved application functionality by adding and extending features.
- Enhanced application quality by fixing bugs discovered through source code scanning and usage.
Teacher
BBRZ Wien
- Conducted classes for groups of approximately 20 individuals on subjects ranging from fundamental HTML to advanced engineering techniques and algorithms.
- Mentored student teams through their initial software engineering project by instructing them on processes like project planning, agile software development, and quality assurance.
- Developed a comprehensive curriculum of diverse subjects within software development.
Software Engineer
Mymarket.io GmbH
- Built example websites on the eCommerce platform, showcasing its advanced technology to prospective clients.
- Used AWS to optimize the platform's back end, ensuring smooth and reliable operation.
- Conducted in-depth research and analysis on abroad manufacturers and vendors, establishing valuable relationships and gaining insight into important details.
- Assisted with the development of the platform's back end, leveraging technical expertise to optimize performance and ensure the system's smooth operation.
Software Engineer and Team Lead Assistant
Pool4Tool
- Contributed to developing an e-procurement platform tailored for the car industry, collaborating with team members to create an efficient solution that streamlined procurement processes.
- Worked closely on improving the performance of complex calculations, leveraging technical expertise to identify and resolve system bottlenecks, resulting in faster and more responsive system performance.
- Estimated project features and provided valuable support in project planning, helping to optimize development processes and ensure the project was completed successfully.
- Assisted with time planning and scheduling, managing a team of four individuals to ensure the project was delivered on time and to a high standard.
Experience
Animal Adoption Application
https://adopcia.slobodazvierat.sk/The app was written as a PWA with Vue and AWS Amplify.
EventManager
https://eventmanager.rubas.at/In addition to standard event management, the application includes specialized features for managing training sessions. These sessions allow hosts to oversee their own guests, typically their employees. The system also supports managing email templates for invitations, updates, thank-you messages, and more, providing dynamic placeholders to personalize communications.
Furthermore, the application tracks email traffic, enabling users to see which emails have been sent and received by guests, ensuring effective communication and follow-up. This platform significantly enhances the client's ability to organize and manage events and training, streamlining their processes and improving guest engagement.
Warehouse Management System
We have used Laravel with MySQL in the back end and j|Query in the front end. The application was hosted with DigitalOcean.
GIS Analysis Software
https://smartmap.at/Questionnaire Management System
Children Sponsorship
https://adopce.charita.cz/One of the major challenges we tackled was migrating the existing system and its workflows to the new platform. Our team created a user-friendly, efficient platform that significantly improved the NGO's ability to connect donors with children, enhancing its sponsorship program's overall effectiveness and reach.
Certifications
AWS Certified SysOps Administrator – Associate
Amazon Web Services
AWS Certified Cloud Practitioner
Amazon Web Services
European Business and Competence Licence Stufe A+B
Kuratorium Wirtschaftskompetenz für Europa e. V.
Cisco Certified Network Associate Exploration
Cisco
Skills
Libraries/APIs
Vuex, Node.js, Vue, AWS Amplify, React, REST APIs, Shopify API
Tools
Amazon CloudFront CDN, Git, Microsoft PowerPoint, AWS SDK, AWS AppSync, IntelliJ IDEA, Webpack, Amazon CloudWatch, Figma, Amazon Simple Email Service (SES)
Languages
HTML, HTML5, CSS, PHP, JavaScript, SQL, TypeScript, Java, GraphQL
Frameworks
Nuxt.js, Vuetify, React Native, Laravel, Next.js, Tailwind CSS, AngularJS, Redux, Angular, NestJS
Paradigms
Agile Software Development, Scrum, Kanban, Agile, REST, Management, UI Design, Search Engine Optimization (SEO), DevOps, Unit Testing, Continuous Integration (CI)
Platforms
WordPress, AWS Lambda, Windows, Amazon Web Services (AWS), AWS Elastic Beanstalk, Linux, MacOS, iOS, Docker, Shopify, DigitalOcean
Storage
Amazon S3 (AWS S3), MySQL, PostgreSQL, Amazon DynamoDB, Databases, Relational Databases, NoSQL, MongoDB
Industry Expertise
Teaching, Project Management
Other
Web Development, Amazon API Gateway, Web App Deployment, Full-stack, Web App Development, Front-end, Back-end, IT Project Management, APIs, Code Review, Source Code Review, AWS Certified Developer, AWS Cloud Architecture, Server-side Rendering (SSR), Full-stack Development, Cloudflare, Business, Networks, Serverless, Prototyping, Interviewing, Technical Hiring, Technical Leadership, CI/CD Pipelines, Lambda Functions, Storybook, Design, User Interface (UI), Bitcoin, Payment Gateways, Shopware, eCommerce
How to Work with Toptal
Toptal matches you directly with global industry experts from our network in hours—not weeks or months.
Share your needs
Choose your talent
Start your risk-free talent trial
Top talent is in high demand.
Start hiring