Backend developer (Python/Go)

About Us

At Campaignswell, we're transforming marketing analytics with our AI-powered predictive platform used by apps, games, and e-commerce brands worldwide. We deliver highly accurate lifetime value (LTV) predictions within hours and unify product, marketing, and monetization analytics in a single platform. Founded in 2023 and headquartered in San Francisco, our team is building the future of data-driven growth. As we scale, data quality and reliability are becoming foundational pillars of our product — and that's where you come in.
We are seeking a seasoned Backend engineer to design, develop, and maintain real time integration services for our data platform. The ideal candidate will possess extensive programming experience, a deep understanding of data structures, and hands-on expertise with modern real time distributed systems to ensure high data quality and seamless integration across various platforms.

Responsibilities

• Integration Services: design, implement, and support various server-to-server integration services, including real-time RESTful APIs and webhook integrations with third-party platforms.
• Collaboration: Work closely with stakeholders and team members to enhance the overall data ecosystem and drive continuous improvements in our data operations.
• Deployment & Monitoring: Oversee the deployment, monitoring, and ongoing support of data services to ensure system reliability and performance.

Requirements

• Programming Skills: proficient in Python and Go (minimum 5 years of experience).
• Software Development: demonstrated experience building scalable services using object-oriented programming.
• Data Acumen: strong grasp of data structures, storage formats, and best practices in data management.
• Distributed Systems: experience with messaging systems such as Apache Kafka or similar technologies.
• Cloud Platforms: solid experience using AWS services and cloud infrastructure.‍
• Communication: excellent written and verbal communication abilities to collaborate effectively with cross-functional teams
• English level: B1.

Nice to Have

• Experience in Marketing automation: Facebook Ads, Google Ads and etc.

What We Offer

• Competitive salary + performance bonus.
• Fully remote with flexible working hours.
• Home office stipend and learning & development budget.
• 25 days holiday (+ local public holidays).
• Regular team offsites and a culture that actually lives its values.

Campaignswell is an equal opportunity employer. We celebrate diversity and are committed to building an inclusive team. If you're passionate about helping brands grow through smarter data and love collaborating across disciplines to deliver impact, we’d love to hear from you!