Node.js Developer (Digital Marketing)

Coherent Solutions, Inc.; United States; Hybrid; USD 140,000 - 210,000; Full time

Benefits offered by this job

Health insurance

Flexible work options

Mentorship

Training & conferences

Referral program

Additional vacation days

Job summary

Coherent Solutions, Inc. is seeking a senior backend engineer to join the SSP Software Development team on a high-throughput platform for real-time ad bidding. You will design, implement, and operate services that process billions of requests daily.

The role emphasizes distributed systems, OpenRTB and VAST integrations, and collaboration with product, operations, and engineering. Flexible remote/hybrid options and a global benefits package accompany this opportunity.

Qualifications

• 5+ years of backend Node.js experience at scale.
• Strong distributed systems knowledge and design skills.
• Experience with Aerospike and Redis.
• Experience with streaming platforms like Kafka or Kinesis.
• Strong SQL / RDBMS skills.
• Proficiency with Linux environments, networking, and Git.
• Proven code review and mentoring history.
• Test-first mindset with automated testing and load testing.
• Excellent communication and teamwork capabilities.

Responsibilities

• Own backend initiatives end-to-end: design, implementation, rollout, and operation.
• Build high-throughput, low-latency services for billions of daily transactions.
• Integrate with DSPs/SSPs and OpenRTB/VAST standards.
• Work with distributed systems, caching, streaming pipelines (Redis, Kafka, Aerospike).
• Identify performance bottlenecks and optimize production systems.
• Apply an SRE mindset: observability, incident response, capacity planning.
• Drive testing and automation, including load and acceptance tests.
• Mentor teammates and participate in code reviews.
• Collaborate with product and engineering to shape roadmaps.

Skills

Node.js

Distributed systems

Aerospike

Redis

Kafka

Kinesis

SQL / RDBMS

Linux

Code review

Testing

On-call

Communication

Education

BS/MS in CS/Engineering or related field

Tools

Git

Job description

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: 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.