Backend Engineer Full Time NEW

At the COOL company, we believe in creating a win-win environment where everyone benefits. We are committed to ensuring users, publishers, franchisees, and advertisers all have a better experience and achieve more than they ever thought possible through our innovation, advanced AI, groundbreaking advertising technology, and teams of inspired experts. Our every move, expansion, acquisition, and upgrade is done to provide that better experience for an ever-growing list of satisfied clients and users all over the world.

COOL Media products under the COOL company include DCO & Creative Automation, a data-driven, creative ad server capable of personalizing, automating, measuring, and optimizing digital ads and placements for advertisers; Franchise & Multi-Location, a complete advertising management platform for franchise and network businesses; Media & Attribution, a managed service solution for agencies and brands to reach and measure audiences; Publisher Experiences, a premier SSP and engagement platform for publishers; and Supply-Side Platform, delivering website and app publishers everything they need to maximize their ad revenue.

Coming soon in 2026, COOL AI is a next-generation advertising platform that builds, buys, and optimizes digital ad campaigns faster and smarter using AI. It automates every step of the media journey—from generating ad creatives to launching campaigns and optimizing performance across channels like Google and Facebook. With no agency fees or waiting, COOL AI helps brands maximize ROI through data-driven strategy, automated creative generation, and real-time performance measurement.

Collectively, the COOL company reaches over 350 million consumers monthly across their network of premium publishers and advertisers, including Disney, Hyundai, Air France, Kohler, Suzuki, Acer, Pearle Vision, Trek, Brita, Viking Cruises, MLB, Playmaker, Blitz, Evolve Media, and more. Under the former umbrella of Insticator, the COOL company is a proud 7x recipient of the Inc 5000 list of America’s fastest-growing private companies, a 2x recipient of Deloitte’s Fast 500, recognized on Crain’s New York Fast 50 list, recognized by Digiday’s Digiday Media Awards as a company working to modernize digital media, and awarded as one of AdWeek’s Top 10 Fastest Growing Solution Providers globally.

Our Core Values

At the COOL company, we believe in being C.O.O.L.:

Creative – we look to find solutions that others can’t and new ways of doing things that are smarter, faster, better and more efficient.

Open-minded – we’re always evolving and keep an open mind as to new ways of doing things, new solutions and new processes that can help us.

Optimistic – The glass is always half full 🙂 as a growing tech startup we’re always faced with new challenges, we overcome them because we see them as opportunities.

Leaders – We look for drivers, people who like to set the pace of the organization, who don’t simply go with the flow, you’re setting a fast impact pace and holding others to it. We look for speed, impact, and setting the industry benchmark.

We creatively integrate new elements in innovative combinations, fueled by our optimism to drive success. Our open-mindedness allows us to embrace new ideas and approaches, empowering us to lead our industry through bold initiatives. That’s the attitude we bring to work with us every day, and it’s what we expect from everyone who works here.

That’s just part of the values that drive us to greatness. We also believe in this trio of truths that inform every decision we make and everything we do:

• Sleeves Up: At the COOL company, we provide you with the autonomy and creativity needed to own your role. We encourage iteration where necessary so that you can drive massive impact.
• 100% Viewability: the COOL company is passionate about open feedback at all levels of the company. This allows us to fail fast, create in real-time, and build an open company culture.
• Be Defiantly Great: We’re defiant, and that’s in our blood. Challenging the status quo is a central part of who we are. We’re capable of much more than what others deem impossible.

Job Overview

Serving billions of impressions per month on a variety of websites with different audiences, we collect data from our publisher embed technology and use this data to serve better advertisements for our publishers. Our publishers expect a stable high quality product that they can build their businesses around. The full stack engineers make sure that we are able to scale our systems to store large volumes of data and service billions of requests each month, while providing in-depth analytics to our publishers.

You will get the opportunity to work on a variety of systems and have ownership of features from conception through delivery.

Challenges and Opportunities for the position

• Have a personal impact: You’ll be involved in planning, architecting, and ultimately releasing to production new products and features that will help drive this business forward. The work here is incredibly rewarding if you take pride in what you produce.
• Work on an organized team: You’ll slot into an incredibly efficient engineering team. An agile work environment with well defined workload, scope, and tasks that will have you focusing on what you need to do and producing great work within a two week sprint cycle.
• Opportunity to have fun: The engineering team here means business but has fun while doing it. We keep things light while accomplishing a ton of work in short periods of time. Everyone here is invested in what they produce but can still find the time to smile and joke around.
• Better yourself and others: We are constantly looking to evolve. Investigating new technologies and techniques, we never stay stagnant. It’s a great group of engineers who are looking to keep learning. Management is very open to change, so introducing new ways of doing things is appreciated and encouraged.

Technology stack:

• GoLang / NodeJS / Python / Java
• React-Redux – Optional
• PostgreSQL / MySQL
• Restful API / Web Sockets
• Docker / Kubernetes
• AWS / GCP / Azure

Responsibilities and Duties.

• Collaborate effectively with the design, product, and engineering team on a variety of applications.
• Generate clean, efficient, modular, and maintainable code on both front-end and back-end.
• Audit existing codebase for performance enhancements.
• Develop new products from the ground up aiding in architectural decisions.
• Responsible and thorough testing of code before releasing to production.
• Maintain design standards and integrity throughout product interfaces.
• Stay abreast of programming trends and push the tech forward whenever project feasibility arises.

Qualifications

Professional competencies

• 3+ years of experience developing production code using either NodeJS, Java, GoLang etc using frameworks like Spring Boot, ExpressJS, Play Framework, NestJs, Gin etc.
• In-depth knowledge of relational databases (e.g. MySQL, PostgreSQL).
• Experience using different techniques (PULL/PUSH) for communicating with a backend server (or a service) like REST APIs, Web sockets etc.
• Experience in integrating 3rd party API, libraries based on the documents.
• Experience working with Docker Containers and deploying systems on Cloud Providers like AWS / GCP / Azure etc
• Experience building CI/CD pipelines using CircleCI, Gitlab, Jenkins etc.
• Fundamentals in JavaScript, HTML5, and CSS.
• Experience with Test Driven Development.
• Extensive experience in web application architecture and development.
• Experience working with Caches, Queues & various other Cloud technologies.
• Great communication, solid collaboration skills, with a strong teamwork ethic.
• Able to search for possible solutions and apply them.

Cultural Competencies

• Must be available to work primarily between 2:00 PM – 11:00 PM IST or 3:00 PM – 12:00 AM IST.
• Must have a player/coach mentality, willing to both execute and lead
• Ability to juggle multiple projects concurrently and set and meet deadlines
• Skilled at receiving and providing direct feedback
• Collaborative mindset and great teamwork skills
• Entrepreneurial & adaptable; great learning skills
• Curious, research-minded, data-informed
• Able to search for possible solutions and apply them
• Creative confidence
• Proactive communicator
• A sense of humor and a love of online culture
• Thrives in a start-up culture

Benefits

• Competitive Salary
• Annual Performance Bonus
• Paid Time Off