Senior UI Designer

THE OPPORTUNITY Polestar is accelerating the transition to sustainable mobility through electric performance. Behind that journey sits a powerful digital platform enabling everything from checkout and payments to order management, delivery, retail tools, and customer self‑service. You will join a focused team working across a critical part of the customer journey, building and validating solutions that customers globally and hundreds of internal users depend on every day. With real ownership, close collaboration, and global impact, this role plays a key part in ensuring reliability, performance, and quality across Polestar’s digital ecosystem. We are now looking for a Senior Quality Assurance Engineer to join Polestar Digital at our headquarters in Gothenburg, Sweden. LET US DESCRIBE THE CHALLENGE WE OFFER As a Senior Quality Assurance Engineer, you will ensure the reliability, performance, and quality of customer‑facing digital products and internal platforms that support the vehicle purchasing journey. You will work across frontend, backend, APIs, and cloud infrastructure, validating solutions and ensuring that features meet both business and technical requirements before release. Acting as a key partner to Software Engineers, Product Managers, Designers, and Operations teams, you will translate product requirements into effective test strategies and ensure that defects are identified early and resolved efficiently. The role combines hands‑on testing, automation, and continuous improvement of quality practices, contributing to scalable and high‑quality systems used globally across markets and internal operations. You will also stay up to date with modern QA methodologies and emerging technologies, including AI‑assisted testing approaches. WHAT YOU'LL DO You will ensure high‑quality delivery across Polestar’s digital platforms by validating solutions, improving test coverage, and driving continuous improvement in quality practices. Your responsibilities include: * Ensuring business requirements and acceptance criteria are fulfilled through comprehensive testing of user stories and system workflows * Designing, executing, and maintaining manual and automated tests across frontend, backend, APIs, and integrations * Validating quality, reliability, performance, and security of new platform capabilities and releases * Collaborating with Software Engineers, Technical Leads, Product Managers, and Designers to translate product requirements into effective test strategies * Identifying, documenting, prioritizing, and tracking defects, while supporting teams in root‑cause analysis and resolution * Contributing to test automation frameworks and improving overall test coverage and development practices * Working closely with cross‑functional agile teams to continuously improve software quality and delivery processes * Monitoring and evaluating quality metrics and contributing to continuous improvement initiatives * Staying up to date with industry best practices, modern QA methodologies, and emerging technologies, including AI‑assisted testing approaches * Documenting test plans, test results, and quality standards across the development lifecycle In your daily work, you will collaborate closely with Software Engineers, Product Managers, Designers, Technical Leads, and Operations teams, ensuring alignment across technical and business needs while driving quality across the full development lifecycle. WHO YOU ARE You are a structured and analytical quality professional with strong ownership and a proactive approach to ensuring high‑quality outcomes. You are comfortable working independently while collaborating closely with cross‑functional teams, and you focus on identifying and resolving issues early to enable smooth and reliable delivery. You combine hands‑on testing expertise with a continuous improvement mindset and an interest in modern technologies shaping the future of software quality. To be a great fit for this position, we believe you have: * Strong knowledge and hands‑on experience with Quality Assurance methodologies and software testing principles * Experience testing modern web applications and distributed systems across frontend and backend technologies * Experience with test automation tools and frameworks for UI, API, and integration testing * Understanding of React, TypeScript, .NET (C#), Node.js, APIs, and AWS‑based systems from a testing perspective * Experience working with CI/CD pipelines, GitHub workflows, and containerized environments * Knowledge of Agile development methodologies and experience working in cross‑functional product teams * Strong analytical, organizational, problem‑solving, and communication skills * Ability to work independently while collaborating effectively across teams and stakeholders * Experience with commerce, payments, financing, order management, or customer journey platforms is considered an advantage * Atleast 4 years of professional experience in Software Quality Assurance PEOPLE AT POLESTAR We know that a change is needed. We also know that each one of us can help bring about that change. Our commitment to becoming climate‑neutral by 2040 is just as important to us as being inclusive, diverse, and innovative. Together, we are creating, collaborating, and experimenting to usher in a new era of sustainable mobility. We are an electric performance brand, determined to improve the society we live in. IS THIS YOU? If you are interested in joining the Polestar crew, don’t wait to submit your application. We apply a continuous selection process and the job post will remain open until the position is filled. As we move through the Swedish summer holiday season, there may be a slight delay in our process. We look forward to getting back to you in August. Send us your resume along with a short note on what makes this role interesting to you. We read everything. Are you ready for the journey? Which is electric, by the way…

OM BOLAGET Fragus Group är Nordens ledande leverantör av fordonsgarantier och digitala lösningar för mobilitetssektorn. Från huvudkontoret i Mölndal (Göteborg) driver bolaget flera digitala initiativ som moderniserar och förenklar fordonsbranschen – med egna system som hanterar allt från ekonomi och lager till garanti- och skadeflöden över fem nordiska marknader. Företaget befinner sig mitt i en omfattande teknisk modernisering, där äldre system successivt migreras mot moderna ramverk och API:er. Kodbasen spänner från .NET Framework 4.7.2 till .NET 8.0, med React SPA:er som komplement till den befintliga ASP.NET MVC 5-applikationen. Här bygger du inte bara features – du är med och formar hur en kritisk plattform som används dagligen av hundratals användare i Norden utvecklas vidare. ---------------------------------------------------------------------------------------------------------------------------------- OM ROLLEN Vi söker en Full-Stack .NET/React-utvecklare som vill ta en nyckelroll i utvecklingsteamet för V4-plattformen – Fragus interna skadehanteringssystem. Du arbetar nära systemutvecklare, produktägare och externa integrationspartners för att vidareutveckla en komplex och affärskritisk lösning. Rollen passar dig som trivs i en senior, hands-on roll med stort tekniskt ansvar. Du underhåller och utvecklar en stor ASP.NET MVC 5-applikation med Razor views parallellt med moderna React SPA:er och .NET 8.0 API:er. Du jobbar med systemintegration mot externa system som Visma, Volvo, SuperOffice och Postmark – och du är van vid att navigera i en blandmiljö där legacy och modern teknik lever sida vid sida. Du blir en del av ett kompetent team med låg byråkrati, hög teknisk höjd och stark kultur – "frihet under ansvar" i praktiken. ---------------------------------------------------------------------------------------------------------------------------------- VAD DU KOMMER GÖRA * Designa och utveckla backend-tjänster och API:er i C# / ASP.NET Core Web API (.NET 8.0) * Underhålla och vidareutveckla befintlig ASP.NET MVC 5-applikation med Razor views * Utveckla moderna frontend-gränssnitt i React (v17–v19), TypeScript och Redux Toolkit * Modellera och optimera databasstrukturer i SQL Server (Dapper, Entity Framework 6 / EF Core) * Bygga och underhålla integrationer mot externa system – ERP (Visma), CRM (SuperOffice), leverantörs-API:er (Volvo), e-posttjänster (Postmark) * Arbeta med CI/CD i Azure Pipelines och hosting på IIS / Windows Server * Bidra till arkitektur- och designbeslut kring modularitet, prestanda och säkerhet * Delta i hela utvecklingscykeln – från analys till release och optimering ---------------------------------------------------------------------------------------------------------------------------------- VEM VI SÖKER Must-haves: * Minst 5 års erfarenhet av systemutveckling i C# / .NET * God erfarenhet av ASP.NET MVC och/eller ASP.NET Core Web API * React + TypeScript (funktionella komponenter, hooks) * SQL Server och erfarenhet av ORM:er (Dapper och/eller Entity Framework) * Erfarenhet av systemintegration – bygga och konsumera RESTful API:er mot externa system * Förståelse för autentisering och säkerhet (JWT, OAuth2, role-based authorization) * Git och CI/CD (Azure Pipelines eller liknande) * Flytande svenska och engelska * Personlighet: Självgående, tar ägarskap, trivs med frihet under ansvar Meriterande: * Redux Toolkit, React Query, Material UI (MUI 5) * Internationalisering (i18next eller liknande, flermarknadssystem) * Erfarenhet av migrering från äldre .NET Framework till .NET Core / .NET 8 * IIS-hosting och Windows Server-drift * Bootstrap, Kendo UI eller jQuery (legacy-kontext) * SCSS / CSS Modules / CSS-in-JS * Testning med xUnit / NUnit + Moq, Jest + React Testing Library ---------------------------------------------------------------------------------------------------------------------------------- VAD VI ERBJUDER * Nyckelroll i ett långsiktigt och strategiskt utvecklingsprojekt * Modern teknikstack i kombination med en tekniskt utmanande blandmiljö * Stabilt och moget bolag med seniora kollegor, låg byråkrati och hög teknisk nivå * Hybridmodell – flexibelt upplägg kring distans och kontor * Förmåner enligt policy ---------------------------------------------------------------------------------------------------------------------------------- PRAKTISK INFO * Plats: Mölndal (Göteborg) * Anställningsform: Tillsvidareanställning * Start: Enligt överenskommelse * Språk: Svenska och engelska (krav) ---------------------------------------------------------------------------------------------------------------------------------- REKRYTERINGSPROCESS 1. Första samtal med Lynqa 2. Intervju med teamet – teknik och kultur 3. Fördjupad teknisk intervju 4. Referenstagning 5. Erbjudande ---------------------------------------------------------------------------------------------------------------------------------- OM ANSTÄLLNINGEN Omfattning: Heltid, tillsvidareanställning Start: Enligt överenskommelse Placering: Mölndal (Göteborg) Detta är en direktrekrytering. Lynqa ansvarar för rekryteringsprocessen. ---------------------------------------------------------------------------------------------------------------------------------- OM LYNQA Lynqa är din karriärpartner inom tech. Vi arbetar med utvalda produktbolag och techteam i framkant – roller du sällan ser på vanliga jobbsajter. Hos oss får du snabb återkoppling, en personlig kontakt och tillgång till möjligheter innan de annonseras. Nyfiken på vad som finns? Hör av dig till mischell@lynqa.se Lynqa – we connect people