Back End Engineer

About the Role

• Are you ready to build the systems that power global-scale digital experiences? We’re looking for a Senior Back End Engineer to join a high-impact Product and Engineering team at a U.S.-based advertising technology company.
• In this role, you’ll design and scale Back End infrastructure that enables creative automation for some of the world’s largest brands. You’ll work on data-intensive systems, APIs, and AI-driven workflows that support high-performance campaigns and process massive volumes of data reliably.

About You

• You have strong experience building scalable Back End systems using modern technologies.
• You are proficient in Node.js and TypeScript and write clean, maintainable code.
• You enjoy solving complex challenges related to scalability, performance, and distributed systems.
• You collaborate effectively with Front End, Product, and Design teams.
• You take ownership of your work and proactively drive projects forward.
• You are detail-oriented and committed to continuous improvement.

What You’ll Be Doing

• Design and develop scalable Back End services and APIs using Node.js and TypeScript.
• Build and maintain data-intensive microservices and distributed systems.
• Own end-to-end delivery of platform integrations and Back End features.
• Collaborate with Front End engineers, designers, and product managers to deliver high-quality solutions.
• Monitor, optimize, and improve system performance, reliability, and scalability.
• Participate in Agile ceremonies such as dailies, retrospectives, and planning sessions.
• Mentor and support other engineers through best practices and code reviews.
• Improve data processing workflows, service observability, and platform maintainability.
• Contribute to technical architecture decisions for high-volume, AI-driven product features.

What We’re Looking For

• A proactive and solution-oriented mindset.
• Strong analytical and problem-solving skills.
• Ability to work independently while contributing to a collaborative team environment.
• Strong communication skills in English.
• Motivation to deliver high-impact solutions in a fast-paced environment.
• Strong ownership and accountability.
• Attention to detail and commitment to building reliable, scalable systems.

Technical Requirements

• Must-Haves
• 6+ years of experience in Back End development.
• Strong expertise in Node.js and TypeScript.
• Experience building distributed systems and microservices architectures.
• Experience designing and consuming REST APIs.
• Solid understanding of scalability, performance optimization, and system design.
• Experience working with SQL or NoSQL databases.
• Experience with asynchronous data flows, API integrations, and service-to-service communication.
• Strong knowledge of testing, debugging, and production troubleshooting practices.
• Nice-to-Haves
• Experience with cloud platforms such as AWS, GCP, or Azure.
• Familiarity with CI/CD pipelines and DevOps practices.
• Exposure to AI-driven systems or data-heavy applications.
• Experience with event-driven architectures or message queues.
• Familiarity with observability tools, logging systems, or distributed tracing.
• Experience in advertising technology, creative automation, or marketing platforms.