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Full Stack Developer (AdTech Focus)
About the Role
We’re looking for a Full Stack Developer with strong experience building scalable, data-driven web applications and a deep interest in advertising technology. You’ll work across the stack to design, build, and optimize systems that power digital advertising workflows—such as audience targeting, ad serving, attribution, reporting, and real-time analytics.
This role sits at the intersection of engineering, data, and media, and is ideal for someone who enjoys solving complex problems at scale in a fast-moving AdTech environment.
What You’ll Do
- Design, build, and maintain full-stack applications supporting AdTech use cases (campaign management, targeting, attribution, measurement, reporting)
- Develop scalable backend services and APIs for high-volume, low-latency data processing
- Build intuitive, performant front-end experiences for internal tools and customer-facing dashboards
- Work with large datasets including event streams, impression logs, and conversion data
- Collaborate with product, data, and analytics teams to translate advertising requirements into technical solutions
- Optimize systems for performance, reliability, and scalability under real-time traffic
- Implement data privacy, consent, and compliance considerations (GDPR, CCPA, etc.)
- Participate in architecture decisions, code reviews, and technical roadmap planning
Required Qualifications
- 4+ years of experience as a Full Stack Developer or Software Engineer
- Strong proficiency in modern backend languages and frameworks (e.g., Node.js, Play Framework, Scala, Python, Java, or Go)
- Experience building APIs (REST and/or GraphQL)
- Strong front-end experience with modern frameworks (Laravel, Vue, or Angular)
- Solid understanding of relational and NoSQL databases (Postgres, MySQL, Athena, Redis, etc.)
- Experience working with cloud platforms (AWS, GCP, or Azure)
- Familiarity with event-driven architectures, message queues, or streaming platforms (Kafka, Pub/Sub, Kinesis)
- Strong problem-solving skills and ability to work independently in a fast-paced environment
AdTech / Domain Experience (Strongly Preferred)
- Experience in AdTech, MarTech, or media platforms
- Understanding of digital advertising concepts such as:
- DSPs, DMP’s, SSPs, ad exchanges
- Audience targeting and segmentation
- Attribution models and measurement
- Programmatic, CTV, mobile, and location-based advertising
- Experience working with large-scale event data (impressions, clicks, conversions)
- Familiarity with identity, cross-device graphs, or ID resolution
- Knowledge of privacy-safe data handling and consent frameworks
Nice to Have
- Experience with real-time bidding (RTB) systems
- Data engineering experience (ETL pipelines, Spark, BigQuery, Redshift)
- Experience with feature flags, A/B testing, or experimentation platforms
- Familiarity with CI/CD pipelines and infrastructure as code
- Prior work in high-scale, high-throughput systems
What We Offer
- Opportunity to work on cutting-edge advertising technology at scale
- Competitive salary and equity (if applicable)
- Flexible work environment
- Collaborative, engineering-driven culture
- Real ownership over architecture and product direction
OnSpot Data Boulder, Colorado, USA Office
Canyon Road, Boulder, CO, United States, 80112
What you need to know about the Colorado Tech Scene
With a business-friendly climate and research universities like CU Boulder and Colorado State, Colorado has made a name for itself as a startup ecosystem. The state boasts a skilled workforce and high quality of life thanks to its affordable housing, vibrant cultural scene and unparalleled opportunities for outdoor recreation. Colorado is also home to the National Renewable Energy Laboratory, helping cement its status as a hub for renewable energy innovation.
Key Facts About Colorado Tech
- Number of Tech Workers: 260,000; 8.5% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Lockheed Martin, Century Link, Comcast, BAE Systems, Level 3
- Key Industries: Software, artificial intelligence, aerospace, e-commerce, fintech, healthtech
- Funding Landscape: $4.9 billion in VC funding in 2024 (Pitchbook)
- Notable Investors: Access Venture Partners, Ridgeline Ventures, Techstars, Blackhorn Ventures
- Research Centers and Universities: Colorado School of Mines, University of Colorado Boulder, University of Denver, Colorado State University, Mesa Laboratory, Space Science Institute, National Center for Atmospheric Research, National Renewable Energy Laboratory, Gottlieb Institute
