Senior JavaScript Engineer – Focus on Web Performance, SDK

Job not on LinkedIn

🕒 July 27

🇩🇪 Germany – Remote

💵 €65k - €80k / year

⏰ Full Time

🟠 Senior

👷🏻‍♀️ Engineer

👻 Ghost score 4%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

Apply Now

Find Similar Remote Jobs

Set Up Email Alert For New Jobs

📊 Check your resume score for this job

Improve your chances of getting an interview by checking your resume score before you apply.

Upload Resume

contentpass

WebsiteLinkedInAll Job Openings

11 - 50 employees

Founded 2016

☁️ SaaS

📱 Media

👥 B2C

SaaS • Media • B2C

Contentpass is a consumer-facing subscription service that provides ad-free and tracking-free access to a network of partner publications. For a flat monthly fee (3,99 €) users can browse a growing network (advertised at 737 sites) without banner ads, personalized tracking or video ads; the service emphasizes privacy (no profiling or targeted ads) and fair publisher compensation, with partner sites audited daily. The offering includes a free trial, multi-device access, standard account management (login, cancel subscription, password recovery), and customer support channels.

📋 Description

• Own the design, development, and evolution of our web SDK used across publisher integrations. • Ensure high performance, reliability and scalability for billions of monthly impressions. • Work closely with the whole engineering and product teams to extend SDK functionality for new CMPs and features. • Debug complex browser and integration issues across different environments. • Champion best practices for security, maintainability and developer experience.

🎯 Requirements

• 5+ years of professional software engineering experience. • Deep understanding of JavaScript/TypeScript and modern web APIs. • Strong experience debugging in complex, cross-browser environments. • Solid understanding of browser networking, cookies, privacy and security mechanisms. • Experience building SDKs, libraries or embeddable scripts at scale. • Excellent communication skills and ownership mindset.

🏖️ Benefits

• Flexibility : Remote-first culture, flexible working hours and async-friendly communication. • Growth : Be part of a profitable, scaling company entering new markets. • Equity Upside : Participate in our beneficiary share program. • Culture : A collaborative, fast-moving team where new ideas are encouraged and deployed fast.