GoLang Developer

Sr. GoLang Developer- Chicago, IL or Reston, VA- ONSITE (4 days a week)

Job Description Summary
FreeWheel’s mission is to build great AdTech software. We are looking for a
Engineer 4 to join our growing engineering team in Freewheel. If you’re excited to work with a tightly knit team of engineers solving hard problems the right way using cutting-edge technologies from backend to frontend for the large-scaled distributed business system, and monitoring tools in the cloud, this opportunity is for you. Our Business engineering team works with huge provisioned datasets from several sources to help the world’s largest programmers, measurement partners, and networks monetize their supplies. We build and maintain responsive and user-friendly interfaces using modern web technologies crossing various devices and browsers on the state-of-the-art Cloud-Native platform built on AWS.

Our people are the most important part of our business, and none more so than our engineers. We are fundamentally looking for bright, enthusiastic problem solvers- people who love a challenge, constantly evaluate and question, and above all, love to ship a product that solves real problems.

Job Description
Core Responsibilities

Be a leader in a certain technical field, able to develop the technical roadmap of the field and effectively promotes continuous optimization.
Collaborate with Product Management and Engineering leadership to gather
requirements.
Interface with global engineering teams/components when necessary.
Extensively use a combination of cutting-edge technologies to increase the workflow flexibility and API responsiveness.
Develop technical/case design documentation.
Actively participate in technical and testing design review
Implement software solutions according to engineering standards.
Develop and implement Unit Tests, Regression Tests, and Automation tests based on the test case design.
Implement integration tests that span across component teams.
Actively participate in code review.
Incorporate appropriate instrumentation, monitoring, and alert mechanisms into the software.
Ensure delivered software solutions are always up and available
Handling product alerts and providing support.
Implement bug fixes when necessary.
Upgrade components, libraries, infrastructure, etc. as necessary
Consistent exercise of independent judgment and discretion in matters of significance.
Regular, consistent and punctual attendance. Must be able to work nights and weekends, variable schedule(s) and overtime as necessary.
Other duties and responsibilities as assigned.
Qualifications:

Bachelor's or Master’s degree in Computer Science or a related field of study.
5+ years of professional experience in software development using Java, Python, C# or other languages; 2+ years of experience with GoLang.
Proficient knowledge of software development principles, data structures, and algorithms.
Proficient knowledge of web development, including hands-on experience with HTTP, HTML, CSS, JavaScript, React.js, and SQL databases.
Proficiency in Golang/Java programming with a solid understanding of popular design patterns, such as GoF, MVC, SOLID, MVP, Flux, and so on.
Strong understanding of testing principles and practices, ensuring code quality with tools such as Junit, Selenium, Cypress, JMeter, Jest, and Mocha.
Excellent problem-solving skills for both frontend and backend, utilizing tools like Browser Developer Tools, Go PProf, JStack, JMap, etc.
Good communication and writing skills, coupled with the ability to thrive in a fast-paced, dynamic environment.
Good knowledge of the Scrum agile collaboration framework and experience using Jira.
Good knowledge of CI/CD tools, Git, Jenkins, and understanding of DevOps principles.
Experience with the knowledge of RESTful APIs and microservices architecture.
Experience with Docker, Kubernetes, or cloud computing platforms is a plus.
Experience in developing large-scale web applications is preferred.
Employees at all levels are expected to:

Understand our Operating Principles; make them the guidelines for how you do your job.
Own the customer experience - think and act in ways that put our customers first, give them seamless digital options at every touchpoint, and make them promoters of our products and services.
Know your stuff - be enthusiastic learners, users and advocates of our game-changing technology, products and services, especially our digital tools and experiences.
Win as a team - make big things happen by working together and being open to new ideas.
Be an active part of the Net Promoter System - a way of working that brings more employee and customer feedback into the company - by joining huddles, making call backs and helping us elevate opportunities to do better for our customers.
Drive results and growth.
Respect and promote inclusion & diversity.
Do what's right for each other, our customers, investors and our communities.
Why Join FreeWheel?

Cutting-Edge Technology: Work with modern data stacks, cloud platforms, and real-time processing frameworks.

Innovation-Driven Culture: Collaborate with top engineers, data scientists, and industry leaders shaping the future of ad tech.

Growth & Impact: Solve complex, large-scale data challenges with tens of billions of daily events in a high-impact role.

Flexible & Inclusive Work Environment: We value diverse perspectives, work-life balance, and professional development.

About FreeWheel:

FreeWheel, a Comcast company, is a global leader in advanced advertising technology, enabling seamless transactions across screens, data types, and sales channels. Operating in nine countries, FreeWheel powers global ad insertion and recently launched Universal Ads, a cross-publisher TV advertising platform in collaboration with major media players like NBCUniversal, Warner Bros. Discovery, and Roku. Committed to innovation, inclusivity, and professional growth, FreeWheel fosters a dynamic work environment where diverse perspectives thrive while shaping the future of premium video advertising.

Disclaimer:

This information has been designed to indicate the general nature and level of work performed by employees in this role. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities and qualifications.