Avaron AB
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About the Company
At Avaron, you get the security of permanent employment combined with the variety of working at different customers. We place specialists across everything from tech, IT and industry to project management and business support – and whatever the assignment, you have a consultant manager who is there for you and your development.
About the Role
You will take a key role in building complex frontend solutions in an environment where performance, accessibility, scalability, and secure user flows matter every day. This role is centered on end-to-end delivery of modern web experiences using TypeScript, React, and Next.js, with close collaboration across backend, SRE, security, and product. You will help shape technical direction, influence architecture decisions, and contribute to reliable solutions for enterprise-grade applications, including payment-related flows with high demands on quality and compliance. It is a great opportunity if you enjoy combining hands-on development with technical leadership in a modern product environment.
Job DescriptionYou will own end-to-end delivery of complex frontend features, from design to production.
You will design scalable and maintainable frontend architectures with focus on modularization, code splitting, and performance.
You will drive state management strategy using tools such as Redux, Zustand, or React Query to ensure predictable data flow.
You will build integrations toward APIs and BFF layers, and contribute to Node.js services when needed.
You will turn product and design requirements into accessible, responsive, and high-quality UI with WCAG compliance and semantic HTML.
You will optimize rendering, bundle size, network usage, and caching to improve overall user experience.
You will establish coding standards, patterns, and best practices across the codebase.
You will review code, mentor other engineers, and help raise the overall engineering quality.
You will work proactively with debugging, logging, and observability to identify and solve issues early across environments.
You will embed security best practices into development, including secure coding, input validation, authentication flows, and data protection.
You will contribute to CI/CD, testing strategies covering unit, integration, and end-to-end testing, as well as release processes.
You will work in an Agile setup, helping break down work, estimate, and deliver iteratively.
RequirementsStrong hands-on experience delivering complex frontend solutions with TypeScript and React.
Solid experience with Next.js in large-scale web applications.
Strong understanding of frontend architecture, performance optimization, and maintainable code structure.
Experience with state management approaches such as Redux, Zustand, or React Query.
Experience integrating frontend applications with APIs and BFF layers.
Ability to build accessible user interfaces using WCAG, semantic HTML, and responsive CSS.
Strong debugging skills and experience resolving complex production issues using structured troubleshooting, logging, and observability tools.
Experience applying security best practices in development, especially around authentication, input validation, and data protection.
Experience contributing to CI/CD pipelines and test strategies for unit, integration, and e2e testing.
Comfort working cross-functionally with engineering, security, operations, and product stakeholders in an Agile environment.
Nice to haveExperience in the payments domain, including checkout flows, PCI considerations, and transaction handling.
Full-stack exposure with Node.js, API design, and BFF patterns.
Familiarity with cloud platforms and edge or CDN strategies.
Experience working with design systems and component libraries at scale.
What We OfferPermanent employment at Avaron AB
Occupational pension
Wellness allowance of SEK 5,000 per year
Application
Selections are made on an ongoing basis – apply as soon as you can.