Sr. Mid-level Developer at Horizontal Talent in Seattle, Washington

Job Description:

Our client is seeking a passionate and innovative Sr. Mid-level Developer to join their dynamic team. This role offers the opportunity to apply your technical skills and creativity to deliver high-performing solutions at one of North America's top 10 e-commerce sites and a rapidly growing online advertising platform.

As a Sr. Mid-level Developer, you will be part of our client's Advertising Engineering team, responsible for designing and implementing technical solutions with a focus on scalability. You will enhance core tools to support development, testing, and integrations, leading to Continuous Delivery. Your innovative mindset will be crucial in articulating engineering designs based on product requirements.

Key Responsibilities:
- Design and implement scalable technical solutions
- Enhance core tools to support development, testing, and integrations
- Articulate engineering designs based on product requirements
- Develop new features, integrate with external systems, and optimize performance

Required Skills and Experience:
- 3-5 years of software development experience
- At least 3 years of development experience using an object-oriented language
- At least 2 years of microservices development, ideally using Java Spring Boot
- Experience with Docker, Docker Compose, and running containerized applications
- Proficiency in SQL, preferably the PostgreSQL dialect
- Familiarity with Liquibase or similar database migration tool
- Experience writing unit tests and functional tests using JUnit
- Proficiency with Object Oriented Design principles and patterns
- Solid technical communication skills with business partners and other engineering teams
- Experience using distributed version control systems, such as Git
- Experience with bug tracking software such as Jira
- Proficiency in bash and comfortable working in a terminal
- Exposure to modern web technologies like React

Preferred Skills:
- Experience with Node/Express
- Familiarity with React or modern web frameworks
- Experience with Git/Github Actions

Our client's team is committed to fostering a diverse and inclusive work environment. We encourage candidates of all backgrounds to apply.


Horizontal facilitates valuable and productive conversations between you and potential employers. We can assist you in growing your career by partnering you with employers that offer challenging assignments. For those that join the team, we offer competitive compensation and benefits including medical, dental, vision, and retirement. Check out all we have to offer and how you can become part of the Horizontal Talent Team. The pay range for this role is $47 - $82 per hour. This is not a guarantee of compensation, as final offer amount may vary based on factors including but not limited to experience and geographic location.