Senior Software Engineer

Role: AdTech Software Engineer

Location: Sweden

Type: Contract

Job Responsibilities

As an AdTech Software Engineer (Backend), you will:

• Design, develop, and maintain AdTech solutions focused on audience activation, customer retargeting, lookalike modeling, and data integration with paid media platforms.
• Lead technical collaborations with internal teams and external technology partners, driving API integrations and enabling seamless data exchange across platforms.
• Architect and build scalable solutions from the ground up, including data pipelines, cloud-native services, infrastructure, and DevOps practices.
• Develop production-ready, well-tested, and maintainable software with a strong focus on quality and reliability.
• Analyze and validate data flows to ensure accuracy, consistency, and performance across advertising ecosystems.
• Implement and manage advertising tags, tracking mechanisms, and measurement frameworks.
• Establish robust observability practices, including logging, monitoring, alerting, and distributed tracing.
• Apply security best practices, particularly in the handling and transfer of customer and marketing data.
• Collaborate within agile, cross-functional teams to design, build, and maintain digital products and services.
• Promote engineering excellence through practices such as code reviews, automated testing, continuous integration, pair programming, and iterative development.
• Provide technical guidance and mentorship to team members while fostering knowledge sharing and best practices.
• Contribute to the evolution of engineering standards, architecture principles, and technology strategies.
• Work closely with software engineers, data specialists, product managers, and other stakeholders to deliver solutions aligned with business objectives.

Required Qualifications

Technical Expertise

• Strong experience in AdTech, MarTech, or Digital Marketing Technology environments.
• Proven expertise integrating with paid media and advertising platforms through APIs and data exchange mechanisms.
• Hands-on backend engineering experience with a strong understanding of scalable system design and cloud-based architectures.
• Experience building and managing data pipelines and marketing technology integrations.
• Strong understanding of software engineering best practices, including testing, CI/CD, code quality, and maintainability.
• Experience with monitoring, observability, and cloud-native operational practices.
• Knowledge of data privacy, security, and compliance considerations related to customer and advertising data.

Collaboration & Leadership

• Excellent stakeholder management and communication skills.
• Proven ability to work effectively across multiple teams, projects, and external partners.
• Strong ownership mindset with the ability to lead initiatives from concept to delivery.

Nice to Have

• Experience with mobile measurement and attribution platforms.
• Mobile application development experience.
• Familiarity with customer data platforms (CDPs), audience management, and marketing analytics solutions.