Full Stack Developer (Software Engineer II/III)
Full Stack Developer (Software Engineer II/III)

Full Stack Developer (Software Engineer II/III)

Full-Time 28800 - 48000 £ / year (est.) No home office possible
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At a Glance

  • Tasks: Develop and maintain web applications using React, Redux, and Vite.
  • Company: Join Ookla, a leader in connectivity intelligence with innovative products like Speedtest.
  • Benefits: Enjoy flexible work options and a collaborative team culture.
  • Why this job: Be part of a passionate team solving real-world connectivity challenges.
  • Qualifications: 2+ years in full-stack development with skills in React and RESTful APIs.
  • Other info: Experience with AWS and agile methodologies is a plus.

The predicted salary is between 28800 - 48000 £ per year.

Social network you want to login/join with:Full Stack Developer (Software Engineer II/III)Client: OoklaLocation: United KingdomJob Category: OtherEU work permit required: YesJob Reference: 4e3b8f5c5ae3Job Views: 9Posted: 12.08.2025Expiry Date: 26.09.2025Job Description:About OoklaOokla is a global leader in connectivity intelligence, offering unparalleled network insights through Speedtest, Downdetector, RootMetrics, and Ekahau. Our datasets combine crowdsourced and controlled, public and private collection methods, QoS and QoE metrics, and more to help organizations optimize networks and enhance digital experiences. Our team is passionate about solving problems, motivated by challenges, and dedicated to turning ideas into exceptional products. Join us to use data and insights to improve connectivity for all.Expectations for SuccessDevelop and maintain robust and scalable web applications using React, Redux, Webpack, and ViteCollaborate with cross-functional teams to design, develop, and implement new features for data visualization platformsWrite clean, maintainable, and efficient code following best practicesConduct code reviews, debugging, and troubleshootingDevelop, maintain, and test RESTful APIs for data processingParticipate in agile development and continuous improvementStay updated with emerging trends in full-stack web developmentRequirements2+ years of professional or intern experience in full-stack web developmentProficient in React, Redux, Webpack, and Vite with experience building complex web applicationsExperience using AWS or similar cloud environmentsExperience designing and developing RESTful APIs using Go, Python, or RubyFamiliarity with agile methodologies and CI/CD pipelinesExcellent communication and collaboration skillsAbility to work independently and in teamsStrong problem-solving skillsNice to HaveExperience with mapping libraries like MapboxGL or OpenLayersFamiliarity with TypescriptUnderstanding of monorepos and supporting infrastructureExperience with relational databases and SQL #J-18808-Ljbffr

Full Stack Developer (Software Engineer II/III) employer: JobLeads GmbH

At Ookla, we pride ourselves on being an exceptional employer that fosters a collaborative and innovative work culture. Located in the United Kingdom, we offer our Full Stack Developers not only competitive salaries and benefits but also ample opportunities for professional growth and development within a dynamic team dedicated to enhancing global connectivity. Join us to be part of a mission-driven company where your contributions directly impact the digital experiences of millions.
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Contact Detail:

JobLeads GmbH Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Full Stack Developer (Software Engineer II/III)

✨Tip Number 1

Familiarise yourself with the technologies mentioned in the job description, especially React, Redux, and RESTful APIs. Consider building a small project or contributing to open-source projects that utilise these technologies to showcase your skills.

✨Tip Number 2

Network with current or former employees of Ookla on platforms like LinkedIn. Engaging with them can provide insights into the company culture and the specific challenges they face, which you can address during interviews.

✨Tip Number 3

Prepare for technical interviews by practicing coding challenges related to full-stack development. Websites like LeetCode or HackerRank can help you sharpen your problem-solving skills and get comfortable with coding under pressure.

✨Tip Number 4

Stay updated on the latest trends in web development and cloud technologies. Being able to discuss recent advancements or tools in your interview can demonstrate your passion for the field and your commitment to continuous learning.

We think you need these skills to ace Full Stack Developer (Software Engineer II/III)

Proficiency in React
Experience with Redux
Knowledge of Webpack and Vite
RESTful API development
Familiarity with Go, Python, or Ruby
Experience with AWS or similar cloud environments
Understanding of agile methodologies
CI/CD pipeline knowledge
Strong problem-solving skills
Excellent communication skills
Collaboration skills
Ability to write clean and maintainable code
Debugging and troubleshooting skills
Experience with data visualisation platforms
Familiarity with mapping libraries like MapboxGL or OpenLayers
Understanding of relational databases and SQL

Some tips for your application 🫡

Tailor Your CV: Make sure your CV highlights your experience with React, Redux, Webpack, and Vite. Include specific projects where you've developed web applications and mention any relevant cloud experience, especially with AWS.

Craft a Compelling Cover Letter: In your cover letter, express your passion for full-stack development and how your skills align with Ookla's mission. Mention your problem-solving abilities and your experience in agile environments to demonstrate your fit for the role.

Showcase Relevant Projects: If you have a portfolio or GitHub repository, include links to projects that showcase your skills in building complex web applications and developing RESTful APIs. This will give the hiring team a clear view of your capabilities.

Proofread Your Application: Before submitting, carefully proofread your application materials. Check for any spelling or grammatical errors, and ensure that all information is accurate and up-to-date. A polished application reflects your attention to detail.

How to prepare for a job interview at JobLeads GmbH

✨Showcase Your Technical Skills

Be prepared to discuss your experience with React, Redux, Webpack, and Vite in detail. Bring examples of projects you've worked on that demonstrate your ability to develop robust web applications. If possible, share code snippets or a portfolio to highlight your skills.

✨Understand the Company’s Products

Familiarise yourself with Ookla's offerings like Speedtest and Downdetector. Understanding how these products work and their impact on connectivity will show your genuine interest in the company and its mission.

✨Prepare for Problem-Solving Questions

Expect to face technical challenges during the interview. Brush up on your problem-solving skills and be ready to explain your thought process clearly. Practising coding problems can help you articulate your approach effectively.

✨Demonstrate Team Collaboration

Since collaboration is key in this role, be ready to discuss your experiences working in cross-functional teams. Share specific examples of how you contributed to team projects and how you handle feedback and conflict.

Full Stack Developer (Software Engineer II/III)
JobLeads GmbH
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  • Full Stack Developer (Software Engineer II/III)

    Full-Time
    28800 - 48000 £ / year (est.)

    Application deadline: 2027-08-13

  • J

    JobLeads GmbH

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