⭐ Featured

Unicity International
Senior Full Stack Engineer - US
This role is for a Senior Full Stack Engineer with 5+ years of experience in TypeScript/JavaScript, modern frameworks, and e-commerce integration. It offers a hybrid work location in Las Vegas, Provo, or Fort Lauderdale, with a permanent contract.
🌎 Country
United States
🏝️ Location
Hybrid
📄 Contract
Full-time
🪜 Seniority
Mid-Senior level
💰 Range
Unknown
💱 Currency
$ USD
💸 Pay
Unknown
🗓️ Discovered
August 23, 2025
📍 Location detailed
Provo, UT
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🧠 Skills
#Google Analytics #JavaScript #CSS #Performance Optimization
Role description
Unicity was founded with a bold mission to make healthy living a reality in an on-the-go world. Unicity's business model is person to person sales which has given a personal touch to our sales and growth. This position would be Hybrid in either Las Vegas, NV, Provo, UT, or Fort. Lauderdale, FL.
Unicity is dedicated to developing innovative, science-based products and programs that promote metabolic health and improve the quality of life for people everywhere. For over 30 years, Unicity has been dedicated to developing high-quality products that contain the vital nutrients your body needs. With the proper process, cutting-edge technology, and a mission to Make Life Better, Unicity is paving the way for a better tomorrow.
In addition to competitive pay we can offer:
• Heath, Dental, Vision, Life and other benefits that begin within a month
• Paid Parental Leave
• Generous vacation allowance in addition to company paid holidays
• 401(k) with company match
• Substantial company product allowance
• Reimbursement for internet, cell phone and gym/wellness activities
The ideal Sr. Full Stack Engineer (frontend-heavy) will be:
• A self starter who has an attention to detail
• Able to take ownership of tasks, seeing them from start to finish
• Able to work with minimal supervision
• Able to write clean, concise code
• Able to write unit tests
• Able to troubleshoot and solve complex problems
• Able to recommend and implement cloud-based solutions that will improve the stability and performance of our internal infrastructure
• Proactive in identifying problems and have a willingness to fix them
• Proactive in measuring the overall effectiveness of our systems and identify areas of improvement
• Able to work with a variety of technologies
• Able to design/architect systems that can be easily monitored
• Able to work with others in a fast paced environment
• Able to finish tasks on-time
Key Areas of Responsibility:
• Be involved and participate in the overall lifecycle of projects.
• Help define and communicate technical and design requirements.
• Design and implement high-quality solutions that will add business value.
• Follow coding standards and guidelines.
• Troubleshoot, debug, and test solutions.
• Be accessible in the event of an emergency (when needed).
• Provide training, help, and support to other team members.
• Implement security and data protections.
• Optimize code for maximum speed, scalability, and flexibility.
• Stay up to date with current best practices, as well with new and emerging technologies.
• Attend and participate in meetings and Agile ceremonies.
• Collaborate closely with UX/UI designers to translate mock-ups into pixel-perfect, interactive experiences -Ensure cross-browser compatibility and mobile responsiveness across all supported devices Integrate third-party services such as payment gateways, analytics, and marketing tools
• Conduct code reviews with emphasis on frontend best practices and performance optimization
• Build and maintain reusable component libraries and design systems
Requirements / Preferred Skills:
• 5+ years working as a Full Stack Engineer in an Agile product team environment.
• 5+ years developing TypeScript/JavaScript.
• 5+ years in a modern JavaScript framework, like React/Next.js, Svelte/SvelteKit, Angular, Vue/Nuxt, etc.
• 5+ years of experience integrating payments/ecommerce.
• 3+ years of experience with Content Management Systems (CMSss)
• Candidate should have a strong passion for AI, ML, big data, etc. and how these technologies can make them more efficient programmers.
• Bachelor's degree in computer science, information technology, or a relevant field preferred.
• Strong passion for software development, demonstrated through engagement in extracurricular activities such as personal projects, open-source contributions, and the maintenance of public GitHub repositories.
• Constantly learns the latest technologies and has a desire to continue to learn.
• Advanced CSS/SCSS expertise and responsive design
• Experience with TailwindCSS or interest in learning.
• Experience with Shadcn or interest in learning.
• Experience with React Hook Form (or other form libraries).
• Experience with Zustand, Redux (or other state management libraries).
• Experience with Performance optimization (Core Web Vitals, lazy loading, code splitting)
• Experience with Accessibility (WCAG 2.1 AA compliance)
• Solid understanding of API architecture and design concepts, including how to write/test microservices.
• Strong proficiency with REST APIs and web sockets.
• Experience with domain driven development, CQRS, and event sourcing.
• Experience with access management.
• Experience working with customer data and search.
• Experience working with pay-in and pay-out information.
• Experience with subscription based auto-shipped orders.
• Strong proficiency with Docker and Kubernetes.
• Strong proficiency with relational databases (e.g. SQL Server and PostgreSQL) and document databases (e.g. MongoDB).
• Experience with continuous integration and continuous deployment pipelines (e.g. Travis-CI and GitHub Actions).
• Experience with API development tools (e.g. Git and Postman).
• Experience with application monitoring tools (e.g. DataDog, Prometheus, AWS CloudWatch, and Grafana).
• Experience with analytic tools (e.g. Google Analytics, MixPanel)
• Strong analytical and problem-solving skills.
• Willingness to travel from time to time.
If you’re interested in an organization where you can have a large impact, be a key part of driving core initiatives forward, and carve out the scope of your own role, we’d love to talk to you
Unicity was founded with a bold mission to make healthy living a reality in an on-the-go world. Unicity's business model is person to person sales which has given a personal touch to our sales and growth. This position would be Hybrid in either Las Vegas, NV, Provo, UT, or Fort. Lauderdale, FL.
Unicity is dedicated to developing innovative, science-based products and programs that promote metabolic health and improve the quality of life for people everywhere. For over 30 years, Unicity has been dedicated to developing high-quality products that contain the vital nutrients your body needs. With the proper process, cutting-edge technology, and a mission to Make Life Better, Unicity is paving the way for a better tomorrow.
In addition to competitive pay we can offer:
• Heath, Dental, Vision, Life and other benefits that begin within a month
• Paid Parental Leave
• Generous vacation allowance in addition to company paid holidays
• 401(k) with company match
• Substantial company product allowance
• Reimbursement for internet, cell phone and gym/wellness activities
The ideal Sr. Full Stack Engineer (frontend-heavy) will be:
• A self starter who has an attention to detail
• Able to take ownership of tasks, seeing them from start to finish
• Able to work with minimal supervision
• Able to write clean, concise code
• Able to write unit tests
• Able to troubleshoot and solve complex problems
• Able to recommend and implement cloud-based solutions that will improve the stability and performance of our internal infrastructure
• Proactive in identifying problems and have a willingness to fix them
• Proactive in measuring the overall effectiveness of our systems and identify areas of improvement
• Able to work with a variety of technologies
• Able to design/architect systems that can be easily monitored
• Able to work with others in a fast paced environment
• Able to finish tasks on-time
Key Areas of Responsibility:
• Be involved and participate in the overall lifecycle of projects.
• Help define and communicate technical and design requirements.
• Design and implement high-quality solutions that will add business value.
• Follow coding standards and guidelines.
• Troubleshoot, debug, and test solutions.
• Be accessible in the event of an emergency (when needed).
• Provide training, help, and support to other team members.
• Implement security and data protections.
• Optimize code for maximum speed, scalability, and flexibility.
• Stay up to date with current best practices, as well with new and emerging technologies.
• Attend and participate in meetings and Agile ceremonies.
• Collaborate closely with UX/UI designers to translate mock-ups into pixel-perfect, interactive experiences -Ensure cross-browser compatibility and mobile responsiveness across all supported devices Integrate third-party services such as payment gateways, analytics, and marketing tools
• Conduct code reviews with emphasis on frontend best practices and performance optimization
• Build and maintain reusable component libraries and design systems
Requirements / Preferred Skills:
• 5+ years working as a Full Stack Engineer in an Agile product team environment.
• 5+ years developing TypeScript/JavaScript.
• 5+ years in a modern JavaScript framework, like React/Next.js, Svelte/SvelteKit, Angular, Vue/Nuxt, etc.
• 5+ years of experience integrating payments/ecommerce.
• 3+ years of experience with Content Management Systems (CMSss)
• Candidate should have a strong passion for AI, ML, big data, etc. and how these technologies can make them more efficient programmers.
• Bachelor's degree in computer science, information technology, or a relevant field preferred.
• Strong passion for software development, demonstrated through engagement in extracurricular activities such as personal projects, open-source contributions, and the maintenance of public GitHub repositories.
• Constantly learns the latest technologies and has a desire to continue to learn.
• Advanced CSS/SCSS expertise and responsive design
• Experience with TailwindCSS or interest in learning.
• Experience with Shadcn or interest in learning.
• Experience with React Hook Form (or other form libraries).
• Experience with Zustand, Redux (or other state management libraries).
• Experience with Performance optimization (Core Web Vitals, lazy loading, code splitting)
• Experience with Accessibility (WCAG 2.1 AA compliance)
• Solid understanding of API architecture and design concepts, including how to write/test microservices.
• Strong proficiency with REST APIs and web sockets.
• Experience with domain driven development, CQRS, and event sourcing.
• Experience with access management.
• Experience working with customer data and search.
• Experience working with pay-in and pay-out information.
• Experience with subscription based auto-shipped orders.
• Strong proficiency with Docker and Kubernetes.
• Strong proficiency with relational databases (e.g. SQL Server and PostgreSQL) and document databases (e.g. MongoDB).
• Experience with continuous integration and continuous deployment pipelines (e.g. Travis-CI and GitHub Actions).
• Experience with API development tools (e.g. Git and Postman).
• Experience with application monitoring tools (e.g. DataDog, Prometheus, AWS CloudWatch, and Grafana).
• Experience with analytic tools (e.g. Google Analytics, MixPanel)
• Strong analytical and problem-solving skills.
• Willingness to travel from time to time.
If you’re interested in an organization where you can have a large impact, be a key part of driving core initiatives forward, and carve out the scope of your own role, we’d love to talk to you