Sr Software Engineer, Applications

WHO WE ARE At Cobalt Streamworks , we empower agencies and brands with cutting-edge software that automates digital media operations. Our all-in-one platform supports seamless planning, reporting, and financial reconciliation across direct, programmatic, search, and social media. We’re not just building advanced technology; we’re also building a culture where passionate, motivated individuals come together to drive meaningful change. Our commitment to inclusivity and growth ensures our employees thrive both professionally and personally. With our headquarters in Chicago, we offer flexible work options across the U.S. and Canada, including remote, hybrid, or on-site at headquarters. ABOUT THE TEAM Technology is at the core of what we do. Cobalt Streamworks Technologies' innovative Engineering team designs and develops new features and integrations for Cobalt Streamworks , our industry-leading, comprehensive software solution. Our platform processes over 300 billion events per day and uses AI and machine learning to automate and simplify the entire digital campaign process. This team is all about data—and in order to create value from the massive amount of data we collect, engineering leverages their dynamic Data Engineering, Data Science, and Business Intelligence teams to create insights that benefit the industry as a whole. WAYS YOU’LL CONTRIBUTE This role will be responsible for building out new products while updating and expanding our existing offerings. Other ways you will contribute to the team are by: WHAT YOU BRING TO THE TABLE 5 years or more of professional software experience. Experience planning and building production-level web applications using React and Ruby on Rails. Experience leveraging modern development practices, including AI-assisted and agentic workflows Strong grasp of data modeling, SQL, query optimization, tuning for read/write performance and scalability. Experience or willingness to learn Java. Experience with entire development cycle of projects Knowledge and fluency in the tools used to build and maintain software: Git, Unix/Linux environments, and automated testing tools. BONUS POINTS Bachelor’s degree in computer science, Engineering or related field Enthusiastic growth-oriented mindset Excited by a fast-paced product development environment Passion for Ad-Tech OUR TECH STACK Ruby, Java, JavaScript, React.js PostgreSQL, MySql, Redis, MongoDB Docker, Kubernetes, AWS Kafka, RabbitMQ Integrity in Hiring At Cobalt Streamworks , integrity is at the core of how we hire. To protect our candidates and our company, we verify identity, education, and employment history for all hires. Some roles may also require onsite or in-person interviews as part of the process. Any misrepresentation of identity, experience, or skills may result in removal from the hiring process or termination of employment. We value transparency and authenticity and expect the same from every applicant. Anything Else? Don’t have every skill listed? No problem! We know experience can be built in many ways. If you have relevant skills that aren't reflected in your resume, we encourage you to share them in an optional cover letter. Life With Cobalt Streamworks We’re committed to our people’s growth and well-being because our success is tied to theirs. That’s why we’ve earned recognition as a top workplace, including: Ad Age, #1 Best Places to Work, WorkLife's #1 Most Committed to Work Life Balance, and the Chicago Tribune's Top Workplaces in Chicago. We offer competitive perks, including a flexible work week, 401k/RRSP matching, mental health support, paid sabbaticals, generous parental leave, flexible work options, and more. Cobalt Streamworks is proud to be an equal-opportunity employer. We celebrate all team members regardless of gender identity, sexual orientation, race or cultural background, religion, disability, age, and beyond. If you need assistance with interview accessibility, please contact talent.acquisition @basis.com. Your privacy is important to us, view our policy here . Originally posted on Himalayas