Senior/Lead Full-Stack Engineer

Upwork ($UPWK) is the world’s work marketplace. We serve everyone from one-person startups to over 30% of the Fortune 100 with a powerful, trust-driven platform that enables companies and talent to work together in new ways that unlock their potential.  

Last year, more than $3.3 billion of work was done through Upwork by skilled professionals who are gaining more control by finding work they are passionate about and innovating their careers. 

This is an engagement through Upwork’s Hybrid Workforce Solutions (HWS) Team. Our Hybrid Workforce Solutions Team is a global group of professionals that support Upwork’s business. Our HWS team members are located all over the world.

We are looking for a Senior Full Stack Engineer to join our team of skilled professionals. You will be designing and building our highly performant Agentic platform and back end systems to create an outstanding user experience for our millions of independent professionals and clients around the world. 

We’re taking advantage of Java, Vue.js, Nuxt.js, AWS, Docker, and microservices to help build apps that millions of people use every day.

This role is a long-term contract position.

Work/Project Scope:

• You will be working with Engineering teams, Product Managers, and Designers to build outstanding products for our users!
• Requires proactive communication and collaborative work with other skilled professionals for code reviews, problem solving, and writing supporting documentation.
• You will share the ownership of our front and back end code domains and will actively work to solve meaningful user problems and improve quality.

Must Haves (Required Skills):

• Solid software development experience using Java as well as extensive experience with REST and relational databases in a cloud environment such as AWS.
• Deep knowledge of modern JavaScript (ES6+ and Typescript), CSS, and HTML.
• Experience with a modern JS framework, such as Vue (preferred), React, or Angular
• Experience in writing well-structured, easily maintainable unit tests (such as JUnit, Mockito, Jest, etc).
• Experience with AI-coding assistants such as co-pilot, cursor, etc
• Experience with Infrastructure and working with AWS , Azure 
• A solid track record of collaborating on code and documentation with large, distributed teams of engineers.
• Experience building and supporting high-load web applications and solving scalability issues.
• English on at least an intermediate level (should be able to pass the technical interview in English)

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