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Kargo · 3 months ago

Senior Javascript Software Engineer

New York, New York

Full-time

Onsite

Senior Level

$180K/yr - $200K/yr

7+ years exp

Kargo is a leading company in creating innovative cross-screen ad experiences for top brands and publishers. They are seeking a Senior Software Engineer II to take a leading role in their full-stack Ad Tech team, focusing on solving complex technical challenges and collaborating with cross-functional teams to deliver scalable solutions.

AdvertisingMarketingMobile AdvertisingNative Advertising

H1B Sponsor Likely

Responsibilities

You will be responsible for taking on a leading role on Kargo’s full-stack Ad Tech team

You will work on solving complex technical challenges in a fast-paced environment, collaborating with cross-functional teams to deliver innovative solutions that drive value for advertisers, publishers, and users

You are expected to lead the design, development, testing, and deployment of full-stack applications

You build and maintain scalable APIs, backend services, and frontend user interfaces

You collaborate with product managers, designers, and other engineers to define and implement technical requirements

You are expected to be able to work with other team members to fix and deploy any bugs or features that come your way

You are expected to be the owner of multiple code bases, ensuring the architecture and code quality are upheld to our standards

You optimize application performance for scalability, maintainability, and reliability

You provide technical leadership, guidance, and mentorship to junior team members

You will identify and initiate investigations into new technologies, prototype and test solutions for product features, and design and validate production designs that deliver exceptional user experiences

Qualification

JavaScriptCSSFull-stack developmentMicroservices architectureDevOps practicesSoftware Development Life CycleMentoring junior developersAnalytical skillsDesign aestheticsAd Tech experienceCommunication skills

Required

B.S or higher in Computer Science, Mathematics, Physics or equivalent work experience

7+ years of professional software development experience in full-stack roles

Strong portfolio (i.e. Github) demonstrating past work experience

Expert knowledge of JavaScript and CSS

Proficiency in writing clean code in vanilla JavaScript (without relying on external frameworks such as React)

Strong knowledge of the Software Development Life Cycle, including QA and deployment processes

Experience with microservices architecture

Proficiency in DevOps practices and tools like Docker and Kubernetes

Experience reviewing other developers' code and mentoring more junior developers

Familiarity with the current technical capabilities and limitations of mobile devices and cross-platform development

Ability to take a loosely defined idea from the brainstorming phase to production, including the architecture plan, development, and testing process

A clean sense of design aesthetics and a natural propensity towards simplification over complication

Excellent communication, presentation, interpersonal, and analytical skills; the ability to communicate complex, interactive design concepts clearly and persuasively

Experience with the Ad Tech industry: programmatic, creative/ad tags, Google Ad Manager, Prebid, etc

Company

Kargo

Glassdoor3.7

Kargo is the leader in mobile brand advertising.

Founded in 2003

New York, New York, USA

201-500 employees

http://www.kargo.com

H1B Sponsorship

Kargo has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)

Distribution of Different Job Fields Receiving Sponsorship

Represents job field similar to this job

Trends of Total Sponsorships

2025 (1)

2023 (1)

2022 (5)

2021 (3)