Senior Platform Developers (IOS & Andriod)

🏢 Summary: 6-month on-site contract for a Platform Software Engineer to build and operate a production-grade application platform for a global AI product. The role covers the full lifecycle from deployment to runtime, ensuring reliability, scalability, and performance of distributed systems. You will evolve infrastructure and core platform services into a modular, high-performing architecture. 🗂️ Requirements: 6+ years in software engineering or platform/infrastructure roles, Strong experience with distributed systems, Experience with platform engineering, SRE, or infrastructure operations, Experience with multitenant environments, Experience with container orchestration, Experience working with external vendors and managed services, Experience operating production systems with focus on uptime and scalability 📃 Skills: Kubernetes, AWS, GCP, Cloudflare, Go, Rust, React, TypeScript, ClickHouse, BigQuery, Firestore, Spanner, Terraform, CI/CD, DNS, SSL 🏢 Description: emagine is looking for a Platform Software Engineer to 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 play a key role in building and operating the platform that runs applications in production. This includes the full lifecycle from deployment to runtime, ensuring reliability, scalability, and performance across a global user base. The platform handles everything behind the scenes when an application is launched: infrastructure provisioning, authentication, storage, logging, usage metering, and domain management. As part of a growing team, you will help evolve this platform into a more modular, scalable, and high-performing architecture. Key responsibilities Own and improve the application hosting and deployment pipeline Build and operate the runtime that serves applications in production Manage and evolve core platform services such as storage, logging, and workflows Design and maintain infrastructure for custom domains, including DNS and SSL at scale Evaluate, onboard, and migrate third-party services as part of a move towards best-of-breed architecture Ensure operational excellence through monitoring, alerting, incident management, and capacity planning Collaborate with vendors and ensure high service quality and SLA adherence What we are looking for Strong experience building and operating distributed systems Around 6+ years of experience in software engineering or platform/infrastructure roles Background in platform engineering, SRE, or infrastructure operations Experience with multitenant environments, container orchestration (e.g. Kubernetes), or edge runtimes Experience working with external vendors and managed services Strong operational mindset with focus on uptime, performance, scalability, and cost efficiency Nice to have Experience building large-scale multitenant control planes Experience with modern edge platforms (e.g. Cloudflare ecosystem) Contributions to cloud infrastructure or CNCF-related technologies Experience with log analytics platforms such as ClickHouse Familiarity with managed database services Proven track record of cost optimization in infrastructure 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: 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: 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: 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: 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: 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: Senior React Native Developer role focused on building a mobile app from scratch within an existing monorepo platform. The position involves end-to-end feature delivery, translating Figma designs into production-ready solutions, and driving technical decisions in a small, high-performing team. The developer will ensure maintainable, scalable solutions aligned with long-term platform strategy. 🗂️ Requirements: 6+ years Frontend Development experience, Strong React Native experience, Solid React experience, Experience delivering production-ready applications, Ability to work within large monorepo codebases, Experience with collaborative development workflows, Ability to understand complex architectures, Active usage of AI development tools, Fluent English 📃 Skills: React, ReactNative, JavaScript, TypeScript, Monorepo, Turborepo, Expo, Tailwind, Figma, AI 🏢 Description: emagine is looking for a Senior React Native Developer for one of our partners. Background The app will be developed on top of their existing monorepo platform, enabling them to take greater ownership of their technical platform and accelerate future development across teams. The Role We are looking for a Senior Frontend Developer with strong React Native experience to join a small, high-performing team (currently 2 developers). You will play a key role in building the app from the ground up, translating designs into high-quality features and ensuring they are ready for go-live. While you will not hold a formal Lead role, you will act as a core contributor and technical driver within the team. Main Responsibilities • Take ownership of delivering features end-to-end, including complex functionality • Collaborate closely with designers and developers to ensure high-quality UX implementation from Figma • Contribute actively in refinements, sprint planning, and daily standups • Drive technical discussions and sparring on complex problems • Quickly understand and navigate a large existing codebase (monorepo) • Ensure solutions align with long-term maintainability and platform strategy • Collaborate across teams working within the monorepo Key Requirements • 6+ years of experience in Frontend Development • Strong experience with React Native (mobile app development) • Solid experience with React (web) • Proven track record of delivering production-ready applications • Experience working in collaborative environments with developers and stakeholders • Ability to quickly understand complex systems and architecture • Actively using AI tools to improve development workflows • Fluent in English (written and spoken) Nice to Have • Experience working in a monorepo setup (e.g. Turborepo) • Familiarity with Tailwind CSS • Experience working with Figma handovers • Experience with Expo for React Native apps Other Details The ideal candidate is a fast learner who can ramp up quickly in new domains, takes ownership and proactively drives tasks forward, thrives in a high-paced environment, communicates clearly, and collaborates naturally across teams. You will work comfortably in a small team with a high impact, understanding that much of your success depends on cross-team collaboration and alignment within the monorepo ecosystem. Start: ASAP Duration: 3 months Work load: Full time Location: Aarhus - minimum 3 days/week

🏢 Summary: Senior/Lead Mobile Developer role focused on leading the design and development of advanced iOS and Android applications using Swift and Kotlin. The position involves architecting scalable mobile solutions, ensuring high code quality, and driving best practices across the development lifecycle. You will also provide technical leadership while delivering secure, high-performance mobile applications. 🗂️ Requirements: 3+ years experience with Swift for iOS development, 3+ years experience with Kotlin for Android development, Experience leading or mentoring development teams, Experience with RESTful APIs and backend integration, Experience with third-party libraries, Experience with CI/CD pipelines, Experience with automated testing, Experience with deployment processes, Knowledge of mobile architecture best practices, Experience with performance optimization and debugging, Knowledge of mobile security best practices 📃 Skills: Swift, Kotlin, iOS, Android, REST, CICD, APIs, AutomatedTesting, Deployment, Architecture, Security, Libraries, Backend 🏢 Description: We are looking for a highly skilled Senior/Lead Mobile Developer with deep expertise in Swift/Kotlin to join our mobile development team. In this role, you will lead the design, development, and optimization of cutting-edge applications, ensuring best practices in architecture, code quality, and user experience. You will mentor junior developers, collaborate with cross-functional teams, and play a key role in shaping our mobile strategy. Responsibilities Lead the design, development, and deployment of advanced iOS and Android applications using Swift and/or Kotlin Architect robust, scalable, and maintainable codebases, ensuring adherence to best practices and coding standards Collaborate with product managers, designers, and backend engineers to deliver seamless user experiences Mentor and guide junior developers, conducting code reviews and providing technical leadership Stay up-to-date with the latest iOS/Android trends, technologies, and best practices Troubleshoot, debug, and optimize application performance Ensure the security and privacy of user data in compliance with industry standards Requirements Extensive experience developing iOS applications with Swift (3+ years) Extensive experience developing Android applications with Kotlin (3+ years) Proven track record of leading or mentoring development teams Experience with RESTful APIs, third-party libraries, and integration of backend services Familiarity with CI/CD pipelines, automated testing, and deployment processes Good work ethic and strong sense of ownership of the end result Excellent verbal and written communication skills, B2 level of English We offer/Benefits We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

🏢 Summary: Senior Backend Developer role within a business-critical banking initiative, focused on building and modernizing backend services and batch/ETL solutions in a highly regulated environment. The position involves developing scalable Java/Spring-based applications, integrations, and data processing flows in a SAFe agile setup. It requires on-site work in Stockholm with potential extension beyond the initial contract period. 🗂️ Requirements: 8–10+ years of professional backend development experience, Strong hands-on experience with Java and Spring Boot, Experience with JPA and service-oriented architecture, Strong experience with Kafka and REST APIs, Experience with Microsoft SQL Server (MSSQL), Experience working in Linux environments, Experience with CI/CD tools (Bitbucket, Jenkins, Artifactory), Knowledge of Kubernetes, Experience with authentication/security frameworks (JWT), Strong experience with Spring Batch (mandatory for batch-focused role), Experience with Apache Camel and stored procedures, Experience with integrations across APIs, messaging platforms, and legacy systems 📃 Skills: Java, Spring, SpringBoot, SpringBatch, JPA, Kafka, REST, MSSQL, SQL, Linux, Kubernetes, Bitbucket, Jenkins, Artifactory, JWT, ApacheCamel, Vert.x, Lucene, Memcache, Caffeine, .NET, Splunk, AppDynamics, Sysdig, Grafana 🏢 Description: emagine are looking for three Senior Backend Developers to join a business-critical development initiative in a complex and highly regulated environment for our client within the banking industry. Start: 2026-06-08 End: 2026-11-30 (extension could be possible) Location: Stockholm, min 3 days/week at the office We are seeking experienced and proactive developers with 8–10+ years of professional experience , who can quickly become productive after onboarding and work both independently and collaboratively within a SAFe-based agile setup . Two of the consultant roles will have a strong focus on backend development with Java, Spring Boot, and databases , while the third role will focus more heavily on batch processing and ETL flows , where Spring Batch is a key requirement. Key Responsibilities Design, develop, and maintain backend applications and integrations Build and optimize scalable services using Java and Spring Boot Develop and maintain batch and ETL processes Work with integrations across APIs, messaging platforms, and legacy systems Support modernization initiatives and migration towards new technical platforms Collaborate with cross-functional teams in a SAFe environment Ensure high standards within security, performance, and maintainability Required Competence Backend Development Strong hands-on experience in Java and Spring Boot Experience with JPA and service-oriented architecture Experience with Kafka and REST APIs Knowledge of Vert.x, Lucene, Memcache, Caffeine , or .NET is considered an advantage ETL / Batch Processing Strong experience with Spring Batch (mandatory for one of the roles) Experience with Apache Camel and stored procedures Databases Solid experience with Microsoft SQL Server (MSSQL) Platform & Runtime Experience working in Linux environments Knowledge of Kubernetes and platform modernization initiatives CI/CD & DevOps Experience with Bitbucket, Jenkins, and Artifactory Security & Monitoring Experience with authentication/security frameworks such as JWT Familiarity with audit logging and monitoring tools such as Splunk, AppDynamics, Sysdig, and Grafana Integrations Strong experience with Kafka and REST-based integrations Experience working with mainframe integrations , file-based integrations, and legacy adapters is highly valued Consultant Profile We are looking for outgoing, senior consultants who are comfortable taking ownership and working with minimal supervision after the initial introduction period. The ideal candidate is technically strong, communicative, and thrives in both independent work and collaborative agile team environments.

🏢 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