Node.js Developer (Digital Marketing)

Company Background

Our client is a global technology company transforming the way brands and agencies make marketing decisions. Its platform enables marketers to plan and activate cross-channel, programmatic media campaigns using real-time research, proprietary audience data, advanced analytics, and more than 150 integrated partners including Facebook, Instagram, Pinterest, Snapchat, and Twitter. The company operates across North America, Europe, the Middle East, Asia, and Australia.

Project Description

The engineer will join our client’s SSP Software Development team, working on a high-throughput Supply Side Platform in the AdTech domain. The platform processes hundreds of billions of real-time ad requests per day, creating complex technical challenges around performance, scalability, and operational excellence.

Technologies

• JavaScript / Node.js
• Redis / Aerospike
• Kafka, Kinesis
• SQL / RDBMS
• Linux
• Git

What You'll Do

• Own complex backend initiatives end-to-end, including design, implementation, integration, rollout, and operation;
• Build high-throughput, low-latency backend services for systems processing billions of transactions per day;
• Integrate with DSPs, SSPs, third-party data providers, and AdTech standards such as OpenRTB and VAST;
• Work with distributed systems, efficient caching, streaming pipelines, and in-memory data stores such as Redis, Kafka, and Aerospike;
• Identify and resolve performance bottlenecks in large-scale production systems;
• Apply an SRE mindset, including observability, incident response, capacity planning, and shared on-call support;
• Drive testing, monitoring, and automation coverage, including load and acceptance testing;
• Apply an AI-first mindset to software development and data exploration;
• Raise the technical bar through code reviews, mentorship, and process/tooling improvements;
• Partner with product, operations, and engineering teams to shape the roadmap and architecture;

Job Requirements

• 5+ years of expert-level backend development experience with JavaScript / Node.js at scale;
• Strong understanding of distributed systems, including scaling, fault tolerance, caching, and load balancing;
• Solid knowledge of data structures, algorithms, and systems design;
• Hands-on experience with distributed databases such as Aerospike and Redis;
• Experience with streaming pipelines such as Kafka or Kinesis;
• Strong SQL / RDBMS skills;
• Strong experience with Linux-based environments, networking, and Git;
• Track record of code review and mentorship that helps improve engineering quality;
• Test-first mindset with experience in automated acceptance testing and load testing;
• Excellent communication skills and ability to work effectively in a team;
• Willingness to participate in rotating pager duty / on-call support for production issues;
• English level: Upper-Intermediate or higher;

Nice To Have

• AdTech industry experience;
• BS/MS degree in Computer Science, Engineering, or a related technical field;

What Do We Offer

The global benefits package includes:

• Technical and non-technical training for professional and personal growth;
• Internal conferences and meetups to learn from industry experts;
• Support and mentorship from an experienced employee to help you professional grow and development;
• Health insurance;
• Sports activities to promote a healthy lifestyle;
• Flexible work options, including remote and hybrid opportunities;
• Referral program for bringing in new talent;
• Work anniversary program and additional vacation days.