**Company Overview
**Our client is a leading, fully regulated US-based digital asset trading platform. They provide secure, low-latency access to cryptocurrency markets, acting as a bridge between traditional finance and the Web3 ecosystem.
About This Role
The Senior Software Engineer, Web is part of the Engineering team and reports to our Manager, Engineering. As a Senior Software Engineer, Web, you will be responsible for designing and building scalable, high-performance web applications using Next.js and modern front-end technologies.
You will partner with Product, Design, Backend, and DevOps teams to deliver performant, accessible, and secure user experiences while contributing to front-end architecture and engineering best practices.
Working hours 12:00 - 20:00 CET.
Key Responsibilities
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Design and implement scalable front-end features using Next.js, React, and TypeScript.
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Own end-to-end development of web features, including testing, deployment, and maintenance.
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Build modular and reusable UI components to support scalable development.
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Optimize web performance through SSR/SSG, lazy loading, and responsive design techniques.
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Monitor and improve performance metrics such as page load time, TTI, and Core Web Vitals.
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Collaborate cross-functionally with Product, Design, Backend, and DevOps teams to define requirements and deliver features.
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Contribute to front-end architecture decisions and engineering best practices.
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Participate in code reviews and mentor junior engineers to improve code quality and team standards.
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Partner with DevOps to support CI/CD pipelines and reliable deployment processes.
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Ensure high standards in code quality, accessibility, security, and automated testing (unit, integration, E2E).
Required Qualifications
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Bachelor’s or Master’s degree in Computer Science or related field.
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~8 years of professional software engineering experience, or ~6 with an advanced degree.
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Strong communication and collaboration skills, motivation, problem solving mind set.
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Strong proficiency in Next.js, React, TypeScript, JavaScript, HTML5, and CSS3.
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Strong experience with GraphQL and REST API.
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Experience with performance optimization tools (Lighthouse, WebPageTest, Chrome DevTools).
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Solid understanding of SSR/SSG, CDN strategies, caching, and responsive design principles.
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Familiarity with front-end security best practices.
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Experience with Git, CI/CD pipelines, and modern deployment workflows.
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Exposure to cloud platforms such as AWS or GCP.
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Strong collaboration skills working with Product, Design, and Backend teams.
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Experience mentoring junior engineers and contributing to team development.
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Bonus: Experience with analytics instrumentation or blockchain-integrated front-ends (e.g.,ethers.js, wallet integrations).
We offer:*
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Flexible working format - remote, office-based or flexible
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A competitive salary and good compensation package
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Personalized career growth
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Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
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Active tech communities with regular knowledge sharing
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Education reimbursement
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Memorable anniversary presents
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Corporate events and team buildings
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Other location-specific benefits
*not applicable for freelancers