Platform Software Engineer

🏢 Summary: 6-month on-site contract for a Platform Software Engineer focused on building frontend interfaces and control planes for an AI-driven application platform. The role centers on creating scalable UIs and abstractions that expose complex infrastructure capabilities such as deployments, authentication, and observability. You will collaborate with backend and infrastructure teams to deliver intuitive, reliable developer-facing tools. 🗂️ Requirements: Strong experience with React and TypeScript, Experience building complex frontend applications, Experience working with backend or infrastructure systems, Understanding of cloud platforms and deployment concepts, Ability to design APIs and data models with backend teams, Experience designing developer-facing or technical user interfaces, Ability to reason about data flow and system boundaries 📃 Skills: React, TypeScript, Golang, Rust, AWS, GCP, Cloudflare, ClickHouse, BigQuery, Firestore, Spanner, Kubernetes, Terraform, CI/CD 🏢 Description: emagine is looking for a Platform Software Engineer ( Frontend-focused with Golang experience ) to join one of the most exciting AI companies in Stockholm. Start: ASAP Length: 6 months, with possible extension Location: Stockholm, on-site 5 days per week About the role You will work on the frontend-facing surfaces of a large-scale application platform that runs AI-generated applications in production. This role focuses on building the interfaces, control planes, and developer experiences that sit on top of complex infrastructure systems. The platform handles everything required to run applications in production — deployment, authentication, storage, logging, usage metering, and domain management. Your focus will be to make these capabilities accessible, understandable, and safe to use through well-designed UIs, APIs, and abstractions. You will collaborate closely with backend and infrastructure engineers, translating platform capabilities into intuitive tools that enable rapid development, configuration, and operational insight. Key responsibilities Build and evolve frontend applications and control panels used to manage applications, environments, and deployments Design and implement user interfaces for platform configuration, observability, and usage insights Collaborate with backend and infra engineers to define APIs and data models for platform features Ensure frontend solutions scale with platform growth and increasing system complexity Improve developer experience by making infrastructure capabilities easy to understand and hard to misuse Contribute to platform reliability by surfacing health, status, and operational signals through UI Take part in platform design discussions, balancing usability, security, and system constraints What we are looking for Strong experience building complex frontend applications using React and TypeScript Experience working close to backend, platform, or infrastructure systems Understanding of how cloud platforms, deployments, and environments work at a conceptual level Experience designing frontend solutions for technical or developer-facing users Ability to reason about data flow, APIs, and system boundaries Product-minded approach with attention to usability, clarity, and long-term maintainability Nice to have Experience building internal tools, admin panels, or control planes Familiarity with platform concepts such as environments, deployments, observability, or feature flags Experience visualizing metrics, logs, or system state in frontend applications Exposure to cloud platforms or DevOps tooling Previous experience working in platform, infrastructure, or developer tooling teams Tech stack (examples) frontend: React, TypeScript backend: Go, Rust cloud: AWS, GCP, Cloudflare data: ClickHouse, BigQuery, Firestore, Spanner devops: Kubernetes, Terraform, CI/CD, observability tooling

🏢 Summary: Mid-level Fullstack Engineer role focused on building and enhancing customer-facing mobile and web applications within a cloud-native, data-intensive environment. The assignment involves developing backend services and event-driven microservices, integrating with AWS and messaging systems, and ensuring system reliability and observability. The position supports high-transaction, business-critical workflows in a cross-functional product team. 🗂️ Requirements: 4–6 years of software development experience, Strong experience with TypeScript, Strong experience with Node.js, Strong experience with React Native, Experience with event-driven architectures, Experience with distributed systems, Experience with PostgreSQL and/or DynamoDB, Experience with Kafka and SQS, Experience with AWS including S3, Experience with monitoring and observability tools, Experience developing mobile and web applications, Experience with data-intensive applications and complex workflows 📃 Skills: TypeScript, Node.js, React, ReactNative, Kafka, SQS, AWS, S3, PostgreSQL, DynamoDB, Datadog, Microservices 🏢 Description: emagine is looking for a Mid level Fullstack Engineer to join a product development team building and enhancing customer-facing digital services. The assignment involves developing mobile and web applications, contributing to backend services, and working with modern cloud-native technologies in a scalable and data-intensive environment. You will collaborate closely with Product Managers, Designers, and Engineers to deliver high-quality solutions that support business-critical workflows and customer experiences. Start: ASAP (within a few week) Duration: 1 year to start with Location: Stockholm, min 2-3 days/week at the office Wha you will do Develop and maintain applications using React Native, TypeScript, and Node.js. Contribute to the development of event-driven micro services and backend services. Build and maintain integrations using Kafka, SQS, and AWS services. Develop solutions that handle high transaction volumes and complex data flows. Support system reliability, monitoring, and observability initiatives. Work closely with cross-functional teams throughout the product development lifecycle. Participate in experimentation, feature flagging, and A/B testing activities. Profile: 4–6 years of experience in software development. Strong experience with TypeScript, Node.js, and React Native. Experience working with event-driven architectures and distributed systems. Experience with PostgreSQL and/or DynamoDB. Familiarity with Kafka and SQS. Experience with AWS, including S3. Experience using Datadog or similar monitoring and observability tools. Experience developing mobile and web applications. Experience working with data-intensive applications and complex workflows. Experience from fintech or another regulated industry is highly desirable. Familiarity with modern software delivery practices, including feature flags and A/B testing.

🏢 Summary: 12-month contract for a Senior Full Stack Engineer to build and maintain scalable AdTech systems for tracking, attribution, and data-driven marketing in a hybrid setup in Stockholm. The role focuses on platform ownership, measurement reliability, data pipelines, and customer link infrastructure. You will ensure high availability and optimize integrations across paid media and CRM channels. 🗂️ Requirements: Senior-level experience in Full Stack JavaScript development, Strong expertise in Node.js and TypeScript, Experience building scalable distributed systems, Hands-on experience with data pipelines and orchestration tools, Experience designing and maintaining APIs, Experience with cloud infrastructure, Experience with event tracking and attribution systems, Ability to ensure high availability, monitoring, and observability, Experience integrating third-party platforms and vendors 📃 Skills: JavaScript, Node.js, TypeScript, Apache, Airflow, APIs, Cloud, AdTech, MarTech, Tracking, Attribution, DistributedSystems 🏢 Description: emagine is looking for a Senior Full Stack Engineer to join a team focused on building scalable systems for tracking, attribution, and data-driven marketing. Start: ASAP or within 1 month Duration: 12 months Location: Stockholm, 2-3 days/week at the office About the role AdTech Platform Ownership Own and manage paid media AdTech platforms, including an MMP such as AppsFlyer Integrate, optimize, and evaluate new vendors and capabilities Measurement & Attribution Ensure reliable event tracking, attribution, and data quality across platforms Collaborate with consent/privacy teams to meet regulatory requirements First-Party Data & Activation Enable scalable audience creation and activation for acquisition and retargeting Improve automation and experimentation velocity Customer Link Infrastructure Build and maintain systems for link generation, redirection, and attribution Support flows across paid media, CRM channels, referrals, and web-to-app journeys Reliability & Operations Ensure high availability, monitoring, and observability of tracking systems Maintain and troubleshoot AdTech-related services and pipelines Your profile Full Stack JavaScript (Node.js, TypeScript) in scalable systems Data pipelines and orchestration (e.g. Apache Airflow) Distributed systems, APIs, cloud infrastructure Experience with data flows, tracking, or integrations AdTech/MarTech experience is a plus

🏢 Summary: Frontend/Fullstack Engineer role within a growth and activation team focused on improving user onboarding through personalized, data-driven experiences. The position involves hands-on development across frontend and backend, building interactive UI components and experimentation frameworks to drive user impact. On-site work in Stockholm with a project duration from mid-August to December 31, 2026. 🗂️ Requirements: 4+ years experience with React, 4+ years experience with TypeScript, 4+ years experience with HTML, 4+ years experience with CSS, Backend development experience with Python, Go, or Kotlin, Proven fullstack product development experience, Experience with experimentation and A/B testing, Experience with tracking and data-driven development, Ability to work on-site 4 days per week in Stockholm 📃 Skills: React, TypeScript, HTML, CSS, Python, Go, Kotlin, A/B, Experimentation, Tracking, GCP, Contentful, Optimizely, Mixpanel, Looker 🏢 Description: emagine is looking for a Frontend/Fullstack Engineer to join a growth/activation team. Start: mid-August 2026 End: December 31, 2026 Location: Required to be on-site 4 days per week in Stockholm About the role You will join a team focused on a critical stage of the user journey – onboarding and activation. The goal is to improve how new users discover value through personalized, data-driven experiences and fast iteration cycles. This is a hands-on role with both frontend and backend responsibilities, with a strong focus on delivering user impact. Key responsibilities Build onboarding flows, nudges, and interactive UI components Work fullstack with React/TypeScript and backend in Python, Go, or Kotlin Drive A/B testing and experimentation within a growth context Develop solutions based on user signals and behavior Ensure system reliability and observability Leverage AI-assisted development workflows Requirements 4+ years of experience with React, TypeScript, HTML, and CSS Experience with backend development (Python, Go, or Kotlin) Proven experience in fullstack product development Experience working with experimentation, tracking, and data-driven development Strong ownership mindset and ability to drive work forward Nice to have Strong frontend architecture and performance optimization experience Experience with server-side rendering Experience with GCP and Contentful Familiarity with tools like Optimizely, Mixpanel, Looker

🏢 Summary: Fullstack Developer role focused on designing, developing, and operating scalable backend and frontend solutions using Java/Kotlin and React within a modern, domain-driven environment. The position involves building and maintaining microservices, translating business needs into reliable digital solutions, and ensuring high standards in code quality, testing, and DevSecOps practices. 🗂️ Requirements: Experience in full-stack development, Proficiency in Java or Kotlin, Experience with Spring Boot, Experience with React, Experience building and maintaining microservices, Knowledge of automated testing practices, Understanding of continuous delivery, Ability to design scalable and secure systems 📃 Skills: Java, Kotlin, Spring, SpringBoot, React, Microservices, DevSecOps, Testing, CI/CD 🏢 Description: emagine is seeking a Fullstack Developer Java/Kotlin/React to support our client in Stockholm. Start: ASAP Slut: 2027-02-03 Location: Stockholm We are looking for a full-stack developer who believes deeply in modern engineering principles and wants to help build a truly digital, domain-driven organization. You will design, develop, and maintain software products and microservices that enable our business domains to operate efficiently and innovate quickly. You will work closely with domain experts and other developers to understand real business workflows and translate them into scalable, reliable digital solutions. You will also ensure healthy engineering practices across your team, such as code quality, testing, and DevSecOps-minded ways of working. •    Techstack: Java/Kotlin/Spring boot/React •    Design, develop, and operate backend and frontend solutions central to client’s digital ecosystem. •    Build user-facing features and applications using modern full-stack approaches. •    Ensure the services your team owns are fast, scalable, secure, and observable. •    Collaborate with domain experts to understand business needs and translate them into technical solutions. •    Contribute to healthy engineering culture, including automated testing, continuous delivery, and documentation. •    Work closely with other development teams, product teams, and domain stakeholders to deliver valuable and maintainable solutions

🏢 Summary: Fullstack Developer role focused on building and maintaining a customer-facing B2B portal in a cross-functional Agile team. The position involves backend development in Java, frontend development with JavaScript, and collaboration on scalable, high-quality solutions. The role is hybrid in Stockholm with a long-term contract and possible extension. 🗂️ Requirements: Several years of experience as a Fullstack Developer, Strong experience with Java backend development, Strong experience with JavaScript frontend development, Experience with REST APIs and system integrations, Experience with relational databases, Experience using Git and CI/CD pipelines, Experience working in Agile environments, Fluent English communication skills 📃 Skills: Java, JavaScript, REST, SQL, Git, CI/CD, Scrum, Kanban, Spring, React, TypeScript, Docker, Kubernetes, OAuth, OIDC 🏢 Description: emagine is looking for an experienced Fullstack Developer to strengthen our client’s development team. You will be part of a cross-functional product team responsible for developing, maintaining, and enhancing our client’s customer-facing B2B portal. The role requires close collaboration with Product Owners, UX, Q&A and developers to deliver scalable, high-quality solutions that improve the customer experience. Start: 27th of July Length: 19th of February with possible extension Location: Required to be on-site in Stockholm 2-3 days per week Responsibilities • Develop, test, and maintain features across the full technology stack. • Develop backend services using Java. • Develop frontend functionality using JavaScript and modern web technologies. • Participate in solution design and technical discussions. • Ensure code quality through testing, code reviews, and adherence to development standards. • Troubleshoot and resolve production issues when needed. • Contribute to continuous improvements in development practices, performance, and security. • Participate in Agile ceremonies as part of a Scrum team. Required Competencies • Several years of experience as a Fullstack Developer. • Strong experience with Java backend development. • Strong experience with JavaScript frontend development. • Experience working with REST APIs and system integrations. • Experience with relational databases. • Experience using Git and CI/CD pipelines. • Experience working in Agile development environments (Scrum/Kanban). • Strong analytical and problem-solving skills. • Excellent communication and collaboration skills. • Fluent in English, both written and spoken. Meritorious Experience with one or more of the following is considered an advantage: • Spring Boot • React • TypeScript • Docker and Kubernetes • Microservice architecture • Identity and Access Management (SSO/OAuth/OIDC) • Customer portals or B2B digital platforms • Telecommunications industry Personal Qualities We are looking for someone who is: • Proactive and self-driven. • Solution-oriented with a strong customer focus. • Comfortable working in a fast-paced environment. • A collaborative team player who shares knowledge with colleagues. • Committed to delivering high-quality software.

🏢 Summary: Contract opportunity for a Frontend / Fullstack Engineer to build and optimize public-facing web experiences with a strong focus on performance, SEO, and conversion. You will develop new pages and features using modern frontend technologies while collaborating across product, marketing, and SEO. The role also involves experimentation, CMS development, and platform improvements. 🗂️ Requirements: 4+ years of experience in modern frontend development, Strong skills in React, Strong skills in TypeScript, Strong skills in HTML, Strong skills in CSS, Experience with Next.js or similar frameworks, Solid understanding of SEO, Solid understanding of web performance, Experience with headless CMS platforms, Experience with experimentation and data-driven product development, Ability to collaborate with multiple stakeholders 📃 Skills: React, TypeScript, HTML, CSS, Next.js, SEO, CoreWebVitals, Contentful, Tailwind, GCP, Optimizely, Hotjar, Mixpanel, Smartling, Lokalise 🏢 Description: emagine is looking for a Frontend / Fullstack Engineer to join a web performance and acquisition team. Start: mid-August 2026 End: December 31, 2026 Location: Required 4 days on-site presence in Stockholm About the role You will work on public-facing web surfaces where first impressions are created. The focus is on performance, SEO, and conversion, as well as building new pages and features that drive growth. The team operates at the intersection of product, marketing, and SEO. Key responsibilities Build and improve public web pages and landing pages Work primarily with React, TypeScript, and Next.js Support and develop CMS solutions (Contentful) Ensure strong SEO, Core Web Vitals, and overall performance Drive A/B testing and CRO initiatives Support localization workflows and tooling Contribute to platform ownership and improvements Requirements 4+ years of experience in modern frontend development Strong skills in React, TypeScript, HTML, and CSS Experience with Next.js or similar frameworks Solid understanding of SEO and web performance Experience working with CMS platforms (preferably headless) Experience with experimentation and data-driven product development Strong collaboration skills across multiple stakeholders Nice to have Deep experience with Contentful Familiarity with Tailwind CSS Experience with GCP Experience with tools like Optimizely, Hotjar, Mixpanel Experience with localization tools such as Smartling or Lokalise

🏢 Summary: Senior Platform Developer role (Android or iOS) focused on building and scaling a shared mobile platform foundation. The position centers on developing reusable components, implementing RBAC, and defining cross‑platform architecture standards to support feature teams. It also emphasizes improving developer experience through better tools, pipelines, and workflows. 🗂️ Requirements: Senior-level experience in Android or iOS development, Proficiency in Swift, Kotlin or Kotlin Multiplatform, Experience building and maintaining shared libraries, Experience implementing RBAC and permissions models, Strong knowledge of mobile architecture and state management, Experience improving developer tools, pipelines and workflows 📃 Skills: Android, iOS, Swift, Kotlin, KotlinMultiplatform, RBAC, Architecture, DevEx, Libraries, CICD 🏢 Description: emagine is looking for two Senior Platform Developers – one focused on Android and one on iOS – to help scale our client’s growing Platform team. Start: ASAP Length: 6 months with possible extension Location: Hybrid in Stockholm or Gothenburg About the role As a Platform Developer, you will not primarily work on end‑user features. Instead, you will collaborate closely with our internal customers: the feature development teams. Your mission is to build the foundation they rely on by creating a robust, scalable architecture and continuously improving our developer experience. Your responsibilities • Build shared components: Develop and maintain libraries used across all mobile teams. • Implement permissions‑based roles: Design and integrate RBAC (role‑based access control) into the platform for secure, seamless rights management in the apps. • Improve DevEx: Enhance tools, pipelines and workflows to make feature development faster, safer and more efficient. • Lead architecture standards: Define how data and state should be handled consistently across both Android and iOS. You are a great fit if you • Are a senior developer within your respective platform: Swift, Kotlin or Kotlin Multiplatform. • Are passionate about Developer Experience and platform architecture. • Enjoy enabling others by creating the infrastructure and tools they rely on rather than building individual features.

🏢 Summary: Fullstack Developer role focused on building web solutions and backend components using .NET and modern web technologies in an on-prem and Azure-connected environment. The position involves close collaboration within a WebDev team and delivery of solutions for a Copenhagen-based client. This is a full-time, onsite assignment starting ASAP for 3 months. 🗂️ Requirements: Expertise in .NET and .NET Core, Very strong experience with Microsoft SQL (Azure), Very strong experience with React and Node.js, Experience with Azure DevOps, Experience with Microsoft Azure development, Knowledge of Terraform 📃 Skills: .NET, .NETCore, MSSQL, Azure, React, Node.js, AzureDevOps, Terraform 🏢 Description: emagine is looking for a fullstack developer for one of our clients. As the Fullstack Developer you need to be proficient in .NET and modern web technologies to join our team based in Copenhagen. Main Task: Collaborating with team members in the WebDev group Doing web solutions and some backend On-prem work and Azure connected tasks Key Requirements Expertise in .NET / .NET Core Very experienced in Microsoft SQL (Azure) Very experienced with React / Node.js Experience with Microsoft Azure DevOps Experience in Microsoft Azure (Development areas) Knowledge in Terraform Strong personal attributes: approachable, flexible, accountable, and stable Fluent in danish Start: ASAP Duration: 3 months Workload: Fulltime + onsite Location: Copenhagen

🏢 Summary: Fullstack Developer role focused on building and maintaining web and backend solutions using .NET and modern web technologies in an on-prem and Azure-connected environment. The position involves collaboration within a WebDev team and delivery of full-time onsite work in Copenhagen for a 3-month engagement. The role requires strong expertise in Microsoft-based technologies and cloud development. 🗂️ Requirements: Expertise in .NET / .NET Core, Strong experience with Microsoft SQL (Azure), Strong experience with React, Strong experience with Node.js, Experience with Microsoft Azure DevOps, Experience with Microsoft Azure (development), Knowledge of Terraform, Valid MSDN subscription 📃 Skills: .NET, .NET Core, SQL, Azure, React, Node.js, Azure DevOps, Terraform, MSDN 🏢 Description: emagine is looking for a fullstack developer for one of our clients. As the Fullstack Developer you need to be proficient in .NET and modern web technologies to join our team based in Copenhagen. Main Task: Collaborating with team members in the WebDev group Doing web solutions and some backend On-prem work and Azure connected tasks Key Requirements Expertise in .NET / .NET Core Very experienced in Microsoft SQL (Azure) Very experienced with React / Node.js Experience with Microsoft Azure DevOps Experience in Microsoft Azure (Development areas) Knowledge in Terraform Strong personal attributes: approachable, flexible, accountable, and stable Fluent in danish Start: ASAP Duration: 3 months Workload: Fulltime + onsite Location: Copenhagen