Design and build scalable web applications using Next.js and React, collaborate with cross-functional teams, and mentor junior engineers while optimizing performance and code quality.
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
- Design and implement scalable front-end features using Next.js, React, and TypeScript.
- Own end-to-end development of web features, including testing, deployment, and maintenance.
- Build modular and reusable UI components to support scalable development.
- Optimize web performance through SSR/SSG, lazy loading, and responsive design techniques.
- Monitor and improve performance metrics such as page load time, TTI, and Core Web Vitals.
- Collaborate cross-functionally with Product, Design, Backend, and DevOps teams to define requirements and deliver features.
- Contribute to front-end architecture decisions and engineering best practices.
- Participate in code reviews and mentor junior engineers to improve code quality and team standards.
- Partner with DevOps to support CI/CD pipelines and reliable deployment processes.
- Ensure high standards in code quality, accessibility, security, and automated testing (unit, integration, E2E).
Required Qualifications
- Bachelor’s or Master’s degree in Computer Science or related field.
- ~8 years of professional software engineering experience, or ~6 with an advanced degree.
- Strong communication and collaboration skills, motivation, problem solving mind set.
- Strong proficiency in Next.js, React, TypeScript, JavaScript, HTML5, and CSS3.
- Strong experience with GraphQL and REST API.
- Experience with performance optimization tools (Lighthouse, WebPageTest, Chrome DevTools).
- Solid understanding of SSR/SSG, CDN strategies, caching, and responsive design principles.
- Familiarity with front-end security best practices.
- Experience with Git, CI/CD pipelines, and modern deployment workflows.
- Exposure to cloud platforms such as AWS or GCP.
- Strong collaboration skills working with Product, Design, and Backend teams.
- Experience mentoring junior engineers and contributing to team development.
- Bonus: Experience with analytics instrumentation or blockchain-integrated front-ends (e.g.,ethers.js, wallet integrations).
We offer*:
- Flexible working format - remote, office-based or flexible
- A competitive salary and good compensation package
- Personalized career growth
- Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
- Active tech communities with regular knowledge sharing
- Education reimbursement
- Memorable anniversary presents
- Corporate events and team buildings
- Other location-specific benefits
*not applicable for freelancers
Similar Jobs
Artificial Intelligence • Big Data • Internet of Things • Virtual Reality
As a Senior Frontend Developer, you'll design and develop software solutions with React or Angular, participate in architecture discussions, and enforce best practices while engaging in agile teamwork.
Top Skills:
.NetAngularAWSAzureCi/CdContainersGCPPythonReactVue
Information Technology • Travel
The Senior Frontend Engineer will develop high-quality code, utilize AI tools for efficiency, and collaborate on product improvements, while ensuring code quality and performance standards.
Top Skills:
Ai ToolsPHPReactTypescript
Big Data • Fintech • Mobile • Payments • Financial Services
The Software Engineering Manager will lead Furnishing Engineering, managing teams, overseeing ETL pipeline systems, metrics, reliability, and strategic initiatives to enhance credit reporting data.
Top Skills:
Back End System DesignData QualityEtl Pipelines
What you need to know about the Bristol Tech Scene
Along with Gloucester, Swindon and Bath, Bristol is part of the "Silicon Gorge" tech hub, a region in the U.K. renowned for its high-tech and research-driven industries, with a particular emphasis on sustainability and reducing environmental impact. As the European Green Capital, Bristol is home to 25,000 cleantech companies, including Baker Hughes and unicorn Ovo Energy. The city has committed to achieving net-zero emissions within the next decade.
