Source Job

Global Unlimited PTO

  • Co-own the design, development, and ongoing maintenance of Confiant's client-side JavaScript SDK
  • Build and optimize SDK internals for maximum runtime performance across diverse publisher environments
  • Translate security threat intelligence into SDK-level detection and blocking logic

JavaScript Performance Optimization SDK Development Webpack

9 jobs similar to JavaScript Engineer

Jobs ranked by similarity.

Poland

  • Gain deep understanding of ad technology and industry standards like OpenRTB, MRAID, VAST.
  • Design and lead implementation of high-quality frontend solutions for displaying Ads globally, focusing on performance and scalability.
  • Provide hands-on technical leadership, solving complex system challenges and ensuring high coding standards through code reviews.

RTB House is a global company that provides state-of-the-art marketing technologies with an ad-buying engine powered entirely by Deep Learning algorithms. They foster a collaborative, interdisciplinary team culture focused on extreme performance and high code quality.

France 5w PTO

  • Challenge bot detection mechanisms as an internal red team, creating tools to automate the process.
  • Improve client-side bot detection by adding new signals and implementing obfuscation techniques.
  • Collaborate with mobile and threat research teams to implement new approaches to bot detection.

DataDome stops cyberfraud and bots in real time using a multi-layered AI engine that focuses on intent. Named a Leader in the Forrester Wave for Bot Management, the company stops over 350 billion attacks annually and has a tech team spread across Europe and the US.

Europe

  • Design, develop, and maintain fullstack features for a high-scale ad-tech platform.
  • Build and enhance user-facing dashboards and campaign management interfaces.
  • Collaborate with product, design, and backend teams to deliver high-quality user experiences.

Our partner is a global ad-tech platform operating at massive scale, processing billions of ad requests daily. It is a high-growth, international, and diverse team with a collaborative engineering culture and strong technical mentorship.

$128,700–$149,600/yr
US

  • Lead the technical strategy for the headless CMS (Builder.io) and GTM instrumentation to ensure high-fidelity marketing analytics.
  • Develop modular ES6+ JavaScript and Salesforce Lightning Web Components to bridge web presence with CRM.
  • Own CI/CD pipelines with GitHub Actions, automating testing and deployment for global shipping velocity.

Quantcast is an AI-powered demand side platform that connects marketers with audiences across the open internet, revolutionizing digital advertising since 2006. It is a global company fostering a culture of innovation and technical excellence.

Canada 4w PTO 16w maternity 16w paternity

  • Define and drive the technical strategy for frontend development across Vanta, establishing patterns and standards that scale.
  • Establish best practices for data layer architecture, state management, testing frameworks, and design systems organization-wide.
  • Mentor and coach engineers across the organization, helping them level up their frontend skills and architectural thinking.

Vanta helps businesses earn and prove trust through continuous security monitoring and a trust management platform. Founded in 2018, Vanta has a kind and talented team that values diverse backgrounds and offers a remote-first culture with offices in multiple global cities.

$165,000–$190,000/yr
US 14w maternity 8w paternity

  • Deliver impactful full-stack features that benefit Medicare brokers and beneficiaries.
  • Collaborate cross-functionally to provide constructive feedback on design mockups and product scope.
  • Identify and manage technical debt while building robust architectures to support platform scalability.

We are building healthcare tech for a system that desperately needs it, focusing on empowering independent Medicare advisors. We are a fast-growing startup with a talent-dense team, backed by notable investors, and recognized as one of Inc. Magazine's Best Workplaces of 2025.

Europe

  • Act as a key technical liaison between business and engineering teams, translating commercial goals into scalable architectures.
  • Lead cross-functional delivery teams and provide architectural oversight throughout the development lifecycle.
  • Mentor engineers, conduct code reviews, and make architectural decisions at component and plugin levels.

Sigma Software partners with global leaders to deliver cutting-edge technology solutions that automate and optimize revenue-focused operations. While company size is not specified, it fosters a supportive culture with challenging projects and a focus on innovation.

$62,640–$90,180/yr
Spain UK

  • Build and maintain high-quality, scalable software components and features based on product specifications.
  • Optimize user interaction and SEO to ensure a fast, responsive, and seamless single-page application.
  • Apply unit testing, SOLID principles, and clean code practices to ensure long-term codebase health.

Airalo is the world's first eSIM store, helping millions of travelers access affordable mobile data in 200+ countries and regions. With over 400 employees across 60+ countries, we are a fully remote, global team united by trust, ownership, and a shared mission to simplify travel.

$95,250–$120,650/yr
Europe 5w PTO

  • Run end-to-end experiments across the marketplace, from hypothesis to code to result analysis.
  • Build and optimize conversion-focused front-end experiences with limited design input.
  • Automate Google Ads configuration and build pipelines to feed performance data back for smarter ad spend.

Lottie is a fast-growing HealthTech startup that connects families with care providers through a SaaS-enabled marketplace. The company has raised over £25M from top VCs, employs a lean autonomous team, and values speed and impact.