Senior JavaScript Developer
We empower our people to grow and excel!
Project, teams, requirements & duties
What you will be working on?
- Maintaining and developing web applications/APIs from scratch within architectural, security, and code quality guidelines
- Participate effectively in the estimation process
- Mentoring other engineers and team members
- Write both unit and integration testing (we love testing!)
- Stay current with industry developments and incorporate new technology when applicable
What do we expect from you?
- Working experience with JavascriptES6+, Typescript and Angular
- Strong knowledge of high-level programming concepts agnostic to primary technology
- Working experience in writing NodeJS applications and using Express, NestJS, NextJS or similar frameworks
- Strong knowledge of HTML5 and CSS3
- Strong knowledge of relational/non-relational (SQL/NoSQL) databases
- Experienced in version control systems like Git
- Familiar with Docker with Docker Compose
- Knowledge of one of the Cloud providers (AWS/GCP/Azure) or on-premise Kubernetes clusters (Knowledge of Serverless framework is a plus)
- Experienced in managing APIs
- Experienced in using JS testing frameworks such as Mocha, Jest, Cypress…
- Be supportive and selflessly share your knowledge
Our projects & stack:
We write tests and deliver high-quality software on a continuous basis with CI/CD software pipelines. We tend to use cloud provider services as well. Tech stack varies from project to project with a tendency to follow the latest tech trends. Our projects follow a standard setup with four environments, having separate environments for development, testing, user acceptance, and production. We encourage our people to contribute to the open-source projects in accordance with our open-source initiative. There is also a possibility to take part in our internal projects that help company business.
Our team:
Depending on the project, our teams are consisted of a mix of several front-end, backend developers, test automation engineers, DevOps engineers , and a delivery manager (scrum master), while the product owner is client-side. We use Scrum as a framework for project management – we hold daily standup meetings where every team member can have a say.Your position in the organization: This position will be a part of one of our JavaScript departments in Belgrade and you will have a dedicated department manager that will support your career path and development.
What do we offer?

And much more! You will hear more details during the interview!
- Department
- JavaScript
- Role
- JavaScript Software Developer
- Locations
- Belgrade
- Remote status
- Hybrid Remote
- Seniority level
- Senior
- Technologies
- JavaScript, Angular

Belgrade
About Levi9 Serbia
Levi9 is a nearshore technology service provider with around 1000 employees and 50+ customers. We specialize in custom made business IT – 95% of our work is on the revenue side of our customers. This is where time to market, high productivity, stable team velocity, and great quality through automation, agility, intensive interaction and understanding matter most.
Senior JavaScript Developer
We empower our people to grow and excel!
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