SF AppWorks is a custom software development, design, and innovation shop. We partner with innovators and entrepreneurs within forward-thinking organizations to conceive, plan, design, prototype, test, build, launch, scale, and refine software products. We believe in innovation, entrepreneurship, and using technology as a force for good.



As a Mid-Level Full-Stack Engineer, you will work primarily with JavaScript and TypeScript to develop backend services and frontend features. You’ll collaborate with senior engineers, contribute production-ready code, and grow your skills in modern JavaScript development.

The role is JavaScript-first, with optional exposure to mobile development.

Frequent technologies we use:

• Languages & Runtime: JavaScript, TypeScript, Node.js
• Backend: REST APIs, basic GraphQL concepts
• Frontend: React, Angular, or Vue
• Cloud & Infrastructure: AWS or GCP fundamentals
• Testing: Jest or similar JavaScript testing frameworks
• Collaboration: Git, GitHub
• Workflow: Agile development, code reviews

What we would like you to do:

• Develop and maintain JavaScript / TypeScript backend and frontend features
• Build and consume REST APIs using Node.js
• Write clean, maintainable, and well-tested JavaScript code
• Collaborate with senior engineers on technical design and implementation
• Participate in code reviews and apply feedback to improve code quality
• Debug, troubleshoot, and improve existing functionality
• Follow best practices for performance, security, and scalability
• Continuously learn and improve your JavaScript and Node.js skills

What will help you get there:

• 2–4 years of professional experience with JavaScript / TypeScript
• Good understanding of Node.js fundamentals and async programming
• Experience in consuming and implementing REST APIs
• Hands-on experience with a JavaScript frontend framework (React, Angular, or Vue)
• Understanding of responsive and component-based UI development
• Familiarity with Git workflows and code reviews
• Willingness to learn and follow JavaScript best practices

Nice to have:

• Mobile development using JavaScript-based frameworks (Ionic, React Native)

What we offer:

• Competitive pay, annual and ad-hoc bonuses 
• Private Medical Insurance
• Work from home and flexible working hours
• A cozy office for co-working and socialization 
• Multicultural environment - working with colleagues and clients across different geographies. 

We love the people we work with, both internally and externally. We're passionate about creating exceptional software — and we're committed to making a positive impact on the world. If this sounds like you, we’d love to meet you. Let’s build something amazing together.📧 [email protected]