Software Engineer IV - API/UI (Remote - US)

This position is posted by Jobgether on behalf of OpenX. We are currently looking for a Software Engineer IV - API/UI in the United States.

This role offers an exciting opportunity to design and develop scalable APIs and user interfaces for a new, innovative product within a rapidly evolving platform. You will lead the full development lifecycle, collaborating closely with cross-functional teams to turn advanced algorithms into intuitive tools that enhance media activation workflows. The position requires a proactive, organized engineer with strong full-stack expertise who thrives in a remote-first environment. You will play a key role in shaping the user experience and driving engineering excellence within a culture that values teamwork, customer focus, and continuous learning.

Accountabilities:

• Lead the design, development, and delivery of self-service APIs and user interfaces for a new product from the ground up.
• Utilize existing platform components to build scalable, performant, and user-friendly solutions.
• Collaborate with data science and product teams to translate optimization algorithms into practical tools.
• Facilitate discussions with team members and stakeholders to identify and implement the best solutions.
• Own end-to-end feature delivery, including architecture, coding, testing, documentation, rollout, and adoption.
• Promote engineering best practices through code reviews, mentoring, and continuous improvement efforts.

• 8+ years of full-stack development experience with strong backend proficiency in Python and frontend expertise in React and TypeScript.
• Proven experience building RESTful APIs, including data modeling, error handling, and performance tuning.
• Skilled in both SQL and NoSQL database design, querying, and optimization.
• Familiarity with modern testing frameworks such as pytest, Cypress, and Playwright.
• Demonstrated ability to launch new products and navigate ambiguity by breaking down complex problems into clear deliverables.
• Strong collaboration and communication skills with experience working closely with product and design teams.
• Preferred experience includes SaaS platforms, digital media or advertising technology, design systems, GraphQL, and cloud-native environments (Kubernetes, Docker, CI/CD).

• Competitive salary range: $170,000 - $180,000 per year, plus bonus and equity.
• Comprehensive medical, dental, and vision insurance.
• 401(k) retirement plan.
• Equity participation opportunities.
• Flexible work arrangements and remote-first culture.
• Inclusive and supportive team environment with strong emphasis on growth and innovation.

Jobgether is a Talent Matching Platform that partners with companies worldwide to efficiently connect top talent with the right opportunities through AI-driven job matching.

When you apply, your profile goes through our AI-powered screening process designed to identify top talent efficiently and fairly.
🔍 Our AI evaluates your CV and LinkedIn profile thoroughly, analyzing your skills, experience, and achievements.
📊 It compares your profile to the job’s core requirements and past success factors to determine your match score.
🎯 Based on this analysis, we automatically shortlist the 3 candidates with the highest match to the role.
🧠 When necessary, our human team may perform an additional manual review to ensure no strong profile is missed.

The process is transparent, skills-based, and free of bias — focusing solely on your fit for the role. Once the shortlist is completed, we share it directly with the company that owns the job opening. The final decision and next steps (such as interviews or additional assessments) are then made by their internal hiring team.

Thank you for your interest!

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