Java Engineer

🏢 Summary: Mid Java Developer role focused on developing and maintaining a server-side rendered Java application for the insurance industry, primarily backend-oriented. The position involves building new features, maintaining existing components, deploying WAR packages, and integrating with multiple enterprise systems. Work is done in an international Agile team with strong emphasis on code quality and backend architecture. 🗂️ Requirements: Minimum 3 years of experience in Java development, Experience with JDBC and plain SQL, Experience with Oracle databases, Experience with Maven, Experience with Apache Tomcat and WAR deployments, Experience with JAXB and XStream, Familiarity with enterprise application stacks, Experience with Agile/Scrum, Fluency in English 📃 Skills: Java, JDBC, SQL, Oracle, JAXB, XStream, Maven, Tomcat, WAR, Servlets, JSP, JSTL, jQuery, CSS, Kernel, PriceEngine, CalculationEngine 🏢 Description: About the Webellian Webellian is a well-established Digital transformation and IT consulting company committed to creating a positive impact for our clients. We are driven by shared values, strong principles, and a passion for innovative and disruptive technologies. We are a community of engineers and senior advisors who work with our clients across industries, playing a deep and meaningful role in accelerating and realizing their vision and strategy. About the position We are looking for a Mid Java Developer with at least 3 years of experience to join an international team working for one of our customers - a leader in the insurance industry. As a Mid Java Developer, you will work on the development and maintenance of a server-side rendered (SSR) Java application, which constitutes the core of the system (approximately 80–90% backend/server-side logic). The frontend layer represents around 10–20% of the application and is implemented mainly to complement UI limitations of the Java server-side technology stack. You will contribute to an internal business application integrated with multiple enterprise systems and tailored to complex insurance processes. You will collaborate with teammates located in Poland and across Europe, working closely with product owners and application users. Key responsibilities Development of new application features Maintenance and enhancement of existing system components Application testing and debugging Application deployment and packaging (WAR-based deployments) Writing clean, maintainable backend code Preparing technical documentation Proposing technical improvements and optimizations Competencies Java JDBC / plain SQL (mainly Oracle database) JAXB, XStream Maven Apache Tomcat (WAR packaging & deployment) Internal engines: Kernel, PriceEngine, CalculationEngine Nice to have Servlets & JSP, JSTL jQuery, CSS T-Konfigurator (TKUI) Experience working with SSR applications Other requirements Familiarity with databases Familiarity with common enterprise application stacks Great attention to detail Experience with Agile/Scrum methodologies is a must Fluency in English is a must Excellent verbal communication skills are a must Independence and drive to grow and learn What we offer Contract under Polish law: B2B or Umowa o Pracę Benefits such as private medical care, group insurance, Multisport card English classes available Hybrid work (at least 3 days/week on-site) in Warsaw (Mokotów) Opportunity to work with excellent professionals High standards of work and focus on the quality of code New technologies in use Continuously learning and growth International team Pinball, PlayStation & much more (on-site) Join a growing team of dedicated professionals! We love to pass on the knowledge to grow excellence, speak our minds without playing politics, and just enjoy hanging around together. If you share our passions - we want to meet you! So go ahead and apply ➡️

🏢 Summary: Senior Java Backend Engineer role focused on building and operating production-grade, AI-enabled backend services within a global Advanced Analytics team. The position involves designing cloud-native microservices, standardizing APIs, and ensuring security, observability, and reliability in regulated environments. You will work cross-functionally and take end-to-end ownership from design to operations. 🗂️ Requirements: Proficiency in Java 17+, Experience with REST and SOAP APIs, Strong knowledge of JSON, YAML, XML, Experience with Docker and Kubernetes, Hands-on experience with AWS, Proficiency with SQL databases (DB2, PostgreSQL), Experience with Git and GitHub, Familiarity with CI/CD tools (Jenkins or GitHubActions or Nexus), Knowledge of Keycloak for authentication and authorization, Experience with Dynatrace or monitoring tools, Understanding of microservices architecture, Basic knowledge of AI technologies 📃 Skills: Java, REST, SOAP, JSON, YAML, XML, Git, GitHub, Docker, SQL, DB2, PostgreSQL, Maven, Kubernetes, AWS, Jenkins, GitHubActions, Nexus, Keycloak, Dynatrace, A3K, Airwave, CISL, Jira, Confluence, Copilot, Claude, AI 🏢 Description: About Webellian Webellian is a well-established Digital Transformation and IT consulting company committed to creating a positive impact for our clients. We strive to make a meaningful difference in diverse sectors such as insurance, banking, healthcare, retail, and manufacturing. Our passion for cutting-edge and disruptive technologies, as well as our shared values and strong principles, are what motivate us. We are a community of engineers and senior advisors who work with our clients across industries, playing a deep and meaningful role in accelerating and realizing their vision and strategy. About the position As a Senior Java Backend Engineer within Advanced Analytics in the Chief Data & AI Office, you will join the central AI team to build and maintain robust, production-grade AI-enabled services on a global scale. You will work in a cross-functional environment with ML Engineers, Platform Engineers, AI Architects, and DevOps, taking end-to-end ownership from design through reliable operations. In this role, you will help establish consistent engineering standards for security, observability, and delivery, and contribute to scalable internal platforms and shared services that accelerate teams worldwide. Key responsibilities Design, build, and maintain Java microservices forming the API layer: clean REST interfaces, robust domain models, and maintainable data access patterns using JPA/Hibernate or equivalent. Wrap and expose existing enterprise systems through well-defined service boundaries, enabling incremental modernization without wholesale replacement. Deliver cloud-native services using Docker and Kubernetes (AKS), with attention to scalability, resilience, and cost-efficiency. Build and maintain CI/CD pipelines with automated tests, quality gates, and secure delivery practices using GitHub Actions. Integrate and standardize API exposure via Azure API Management (APIM): usage policies, throttling, authentication/authorization, and versioning. Establish and maintain observability standards using Azure Monitor and Application Insights: dashboards, alerting, distributed tracing, and runbooks. Diagnose and resolve complex issues across microservices, clusters, and pipelines; perform root-cause analysis and preventative improvements. Embed security and resilience: secrets management via Azure Key Vault, least privilege, container security best practices, and disaster recovery patterns. Engineer for regulated environments: audit-friendly practices, traceable changes, reliable logging, and disciplined handling of sensitive data (minimization, access controls, retention). Collaborate with Python/AI engineers to define clear integration contracts between the Java API layer and the Python AI layer. Required Experience & Skills 5+ years professional backend engineering experience with Java in production environments. Expert-level Java; ideally Spring Boot (primary candidate) with real-world experience; familiarity with Quarkus or Micronaut is a plus. Strong engineering fundamentals: testing strategies (unit, integration, contract), REST API versioning, documentation, code quality, and pragmatic system design. Production experience with Docker and Kubernetes. Strong CI/CD experience (GitHub Actions preferred; ArgoCD or similar also relevant). Familiarity with Azure cloud platforms and services, particularly AKS, ACR, Key Vault, Azure Monitor/Application Insights, and Azure API Management (APIM). Strong experience with PostgreSQL including schema design, migrations (Flyway/Liquibase), and performance tuning fundamentals. Experience integrating with or wrapping legacy enterprise systems via REST, SOAP, or messaging. Familiarity with distributed systems and event-driven architectures using Kafka. Strong troubleshooting skills and an operational mindset. Ways of Working Comfortable in agile, iterative delivery environments with ownership and accountability. Clear communicator and collaborator across global, cross-functional stakeholders. Proactive learner with pragmatic adoption of AI-assisted developer tools (e.g., GitHub Copilot, Claude Code) to improve developer experience and delivery velocity. What we offer Contract under Polish law: B2B or Umowa o Pracę Benefits such as private medical care, group insurance, Multisport card English classes available Hybrid work (at least 1 day/week on-site) in Warsaw (Mokotów) Opportunity to work with excellent professionals High standards of work and focus on the quality of code New technologies in use Continuously learning and growth International team Pinball, PlayStation & much more (on-site) Join a growing team of dedicated professionals! We love to pass on the knowledge to grow excellence, speak our minds without playing politics, and just enjoy hanging around together. If you share our passions - we want to meet you! So go ahead and apply ➡️

🏢 Summary: 6-month Fullstack Software Engineer Internship focused on reviving and improving an existing web application using JavaScript and Java. The role involves contributing to frontend and backend development while following SDLC standards and best practices. Interns collaborate with senior engineers and gain hands-on experience with structured development processes. 🗂️ Requirements: Enrolled in Bachelor or Master degree in Computer Science or related field, Basic knowledge of JavaScript, Basic knowledge of Java and object-oriented programming, Understanding of web application architecture, Familiarity with Git and version control, Basic understanding of SDLC concepts, English proficiency B2+, Willingness to follow defined development processes 📃 Skills: JavaScript, Java, Git, SDLC, Agile, Scrum, OOP, APIs, Frontend, Backend 🏢 Description: About Webellian Webellian is a well-established Digital Transformation and IT consulting company committed to creating a positive impact for our clients. We strive to make a meaningful difference in diverse sectors such as insurance, banking, healthcare, retail, and manufacturing. Our passion for cutting-edge and disruptive technologies, as well as our shared values and strong principles, are what motivate us. We are a community of engineers and senior advisors who work with our clients across industries, playing a deep and meaningful role in accelerating and realizing their vision and strategy. About the position We are seeking a Fullstack Software Engineer Intern to join our team for an internal project. The main mission of the internship will be to help revive and improve an existing application while following our internal Software Development Life Cycle (SDLC) standards and best practices. The intern will work with both JavaScript and Java, contributing to frontend and backend development. At the same time, this role has an important learning and feedback aspect: by working on a real, living system, you will help us verify whether our development procedures, documentation, and guidelines are clear, usable, and effective in practice. This role is ideal for a young, motivated fullstack developer who wants to learn how software should be built “by the book” — where processes are meant to guide and support engineers, not require expert-level project management skills to understand. Key Responsibilities Contribute to frontend and backend development using JavaScript and Java Help restore, improve, and extend the existing application Follow internal SDLC guidelines, development procedures, and documentation Provide feedback on the clarity and usability of development processes and documentation Collaborate with senior engineers to understand best practices and architectural decisions Assist in debugging, fixing issues, and improving code quality Participate in code reviews and knowledge-sharing sessions Help identify gaps or unclear areas in development procedures and suggest improvements Requirements: Being enrolled in a Bachelor or Master degree in computer science, software engineering, or a related technical field Good English communication skills (B2+), Polish language is a plus Basic knowledge of JavaScript (frontend or backend) Basic knowledge of Java and object-oriented programming Basic understanding of web application architecture (frontend, backend, APIs) Familiarity with Git and version control systems Basic understanding of software development life cycle (SDLC) concepts Willingness to follow defined processes, guidelines, and documentation Analytical mindset and attention to detail Curiosity and willingness to ask questions and learn Independence and drive to grow as a software engineer Any academic, personal, or internship experience with fullstack development is considered an asset Familiarity with Agile/Scrum methodologies is a plus *As an intern, you’re not expected to be an expert. What is really important is your will and ability to expand your skills during the internship and contribute actively to the company. What we offer: 6 month internship Opportunity to work with excellent professionals, in a professional and friendly environment High standards of work and focus on the quality of code New technologies in use Continuously learning and growth International team Pinball, PlayStation & much more (on-site) About you: Open-minded and eager to learn Autonomous and not afraid to ask questions Business oriented and looking to bring solutions Capable of detailed and analytical thinking Ready to take responsibilities and have an impact on companies’ projects BE BOLD In your CV, please include the following information: Why would you like to join us? Do you have something to share with us? (portfolio, projects, ideas, …)

🏢 Summary: Senior Full Stack Engineer role focused on building and delivering scalable, mission-critical applications using Node.js and React. The position involves end-to-end ownership from design and architecture to deployment and production support within Agile environments. The role requires strong technical leadership, architectural involvement, and collaboration with cross-functional and customer-facing teams. 🗂️ Requirements: Minimum 6 years of commercial Full Stack development experience, Strong knowledge of Node.js and React, Proficiency in JavaScript and TypeScript, Experience working in Agile environments, Experience with AWS and Docker, Experience with PostgreSQL, Experience with Git or Bitbucket and Jenkins, Familiarity with REST APIs and GraphQL, Knowledge of SQL and NoSQL databases, Understanding of software architecture, design patterns, and SOLID principles, Experience with SDLC processes end-to-end, Fluency in English (minimum B2), Master’s degree in Computer Science, Software Engineering, or related field 📃 Skills: JavaScript, TypeScript, Node.js, React, AWS, Docker, PostgreSQL, Git, Bitbucket, Jenkins, REST, GraphQL, SQL, NoSQL, Azure, ReactNative, Expo 🏢 Description: About Webellian Webellian is a well-established Digital transformation and IT consulting company committed to creating a positive impact for our clients. We are driven by shared values, strong principles, and a passion for innovative and disruptive technologies. We are a community of engineers and senior advisors who work with our clients across industries, playing a deep and meaningful role in accelerating and realizing their vision and strategy. About the job We are actively looking for a Senior Full Stack Engineer (Node.js & React). In this role, you will own technical responsibilities from conception to delivery. As a Senior Full Stack Engineer, you will collaborate closely with engineering teams, interact directly with customers and stakeholders, work on mission-critical systems at scale, and support the SDLC process end-to-end. This role requires a strong ownership mindset and readiness to take technical responsibility for project delivery, including participation in architectural discussions and technical decision-making. To be successful in this position, you should have at least 6 years of commercial experience in Full Stack development, strong understanding of Node.js, React, and related frameworks, and experience working within Agile engineering environments. Key responsibilities Analyze business and technical functional and non-functional requirements Design and develop clean, maintainable, and scalable code, including unit tests Prepare and maintain technical documentation Propose and implement technical improvements to applications and development processes Participate in troubleshooting and resolving complex technical issues Collaborate with other engineering teams to design and implement technical solutions Contribute to architectural and technical decision-making processes Support SDLC activities end-to-end, including development, testing, deployment, and production support Take ownership of technical delivery Competencies Master’s degree in Software Engineering, Computer Science, or related technical field Must-have Technologies: JavaScript, TypeScript, Node.js, React Advantage: React Native, Expo, Microsoft Azure Fluency in English is required (minimum B2, C1 preferred) Excellent verbal and written communication skills Experience working with AWS, Docker, PostgreSQL, Git/Bitbucket, and Jenkins Familiarity with REST APIs and GraphQL Familiarity with SQL and NoSQL databases Strong understanding of Agile methodologies and SDLC practices Understanding of software architecture trade-offs, scalability considerations, design patterns, and SOLID principles Leadership mindset: previous experience in technically leading projects, participating in architectural decision-making, and taking responsibility for the technical delivery process Experience working in customer-facing or international environments Nice to have Experience with CI/CD pipelines and deployment automation for web and mobile applications (e.g., EAS Build for Expo) Experience in scaling applications and handling high-traffic workloads Experience with cloud-native architectures and distributed systems Familiarity with monitoring, observability, and production troubleshooting practices Experience in fintech or insuretech environments What we offer Contract under Polish law: B2B or Umowa o Pracę Benefits such as private medical care, group insurance, Multisport card There are English classes available Hybrid work (at least 3 days/week on-site) in Warsaw (Mokotów) Opportunity to work with excellent professionals High standards of work and focus on the quality of code New technologies in use Continuously learning and growth International team Pinball, PlayStation & much more (on-site 🤫) Interested? Please click the “Apply for this job” button and send us your CV in English. Please include the following statement: I hereby authorize Webellian Poland Sp. z o.o. to the process personal data provided in this document for realising the recruitment process pursuant to the Personal Data Protection Act of 10 May 2018 (Journal of Laws 2018, item 1000) and in agreement with Regulation (EU) 2016/679 of the European Parliament and of the Council of 27 April 2016 on the protection of natural persons with regard to the processing of personal data and on the free movement of such data, and repealing Directive 95/46/EC (General Data Protection Regulation).

🏢 Summary: Full Stack Drupal Engineer role focused on developing and maintaining e-commerce and corporate websites, including new B2C insurance platforms, using Drupal and external integrations. The position involves both frontend and backend Drupal development, multilingual implementations, plugin customization, and API integrations within Agile environments. 🗂️ Requirements: Minimum 3 years of commercial experience, Strong experience with Drupal (frontend and backend), Strong knowledge of PHP, Experience with external API integration, Experience with plugin selection, installation and customization in Drupal, Ability to create technical documentation, Experience with Agile/Scrum methodologies, Fluency in English 📃 Skills: Drupal, PHP, NodeJS, STRAPI, PIMCore, API, Agile, Scrum 🏢 Description: About the Webellian Webellian is a well-established Digital transformation and IT consulting company committed to creating a positive impact for our clients. We are driven by shared values, strong principles, and a passion for innovative and disruptive technologies. We are a community of truly passionate engineers and senior advisors who work with our clients across industries, playing a deep and meaningful role in accelerating and realizing their vision and strategy. About the project Currently we are looking for Full Stack Drupal Engineer to work on one of a few projects: 1. Continuous development of existing e-commerce websites of a global actor leader on his market 2. Implementation of new e-commerce websites in different countries and for different partners 3. Development of a corporate website for VIP concierge services provided by an multinational insurance company 4. Development of a new B2C insurance e-commerce website, strategic project for our client. Key responsibilities Creating a static part in Drupal Introducing multilingualism into the application Selection, installation and customization of plug-ins in Drupal necessary to deliver the project Usage of an external API for business requirements If the need arises, support for the creation of a plugin in Drupal for the needs of the project Creation of project documentation (user guide, dev guide, technical docs) Analysis of future requirements and proposal of solutions to extend the application Competencies Technologies: Drupal (FE, BE), PHP.  Knowledge of NodeJS, STRAPI, PIMCore would be a plus. At least 3 years of commercial experience Fluency in English is a must Great attention to detail Experience with Agile/Scrum methodologies is a must Excellent verbal communication skills are a must Independence and drive to grow and learn What we offer Contract under Polish law: B2B or Umowa o Pracę Benefits such as private medical care, group insurance, Multisport Hybrid work in Warsaw Opportunity to work with excellent professionals High standards of work and focus on the quality of code New technologies in use Continuously learning and growth International team Pinball, PlayStation & much more (on-site 🤫 ) I nterested? Please click the “Apply for this job” button and send us your CV in English. Please include the following statement: “I hereby authorize Webellian Poland Sp. z o.o. to process my personal and store data included in my job application for the needs of following and future recruitment processes (in accordance with the Personnel Protection Act 29.08.1997 no 133 position 883)”.

🏢 Summary: The offer is for an experienced Quality Assurance Engineer to work on an insurance industry project, ensuring software quality through manual and automated testing. The role involves creating test strategies, executing tests, reporting defects, and supporting production deployments within an Agile environment. The position also includes contributing to testing standards and security practices such as OWASP and ISO/IEC 27034. 🗂️ Requirements: Minimum 5 years of experience as a Quality Assurance Engineer, Proven experience in QA methodology, Experience in preparing test strategies and test plans, Experience in manual and automated testing, Hands-on experience with Postman and Cypress, Hands-on experience with Jira and Confluence, Experience with Agile/Scrum methodologies, Ability to document and troubleshoot errors, BSc/BA in Computer Science, Engineering or related field, Fluency in English 📃 Skills: Postman, Cypress, Jira, Confluence, OWASP, ISO27034, Agile, Scrum, ManualTesting, AutomatedTesting 🏢 Description: About the Webellian Webellian is a well-established Digital Transformation and IT consulting company committed to creating a positive impact for our clients. We strive to make a meaningful difference in diverse sectors such as insurance, banking, healthcare, retail, and manufacturing. Our passion for cutting-edge and disruptive technologies, as well as our shared values and strong principles, are what motivate us. We are a community of engineers and senior advisors who work with our clients across industries, playing a deep and meaningful role in accelerating and realizing their vision and strategy. About the position We are seeking an experienced Quality Assurance Engineer with a minimum of five years of professional experience to join our team for a project with a key client in the insurance industry. This position is automation-focused, with automated testing forming the core of daily responsibilities, complemented by limited manual testing activities to support overall product quality. The successful candidate will play a critical role in designing, developing, and maintaining automated test solutions while ensuring high quality standards throughout the software development lifecycle. You will collaborate closely with development teams, product stakeholders, and clients to ensure that delivered solutions meet defined functional, technical, and quality requirements. Depending on your experience, you will also have the opportunity to introduce new testing tools and actively contribute to improving testing strategies and quality processes, including but not limited to OWASP and ISO/IEC 27034. Key responsibilities Analyze system specifications and requirements Prepare test strategies and automation-focused test plans Design, develop, and maintain automated tests Execute automated tests and analyze results Perform manual testing when required to support releases Identify, document, and track defects Collaborate with development teams to resolve issues Communicate directly with clients, gather requirements, and provide quality-related feedback Mentor team members and support knowledge sharing within the QA team Support troubleshooting and root cause analysis Conduct post-release testing and verification Ensure quality throughout the software development lifecycle Support production deployments and post-deployment validation Contribute to continuous improvement of QA processes and automation practices Competencies Proven experience as a Quality Assurance Engineer with strong automation testing expertise Solid understanding of QA methodologies and software testing best practices Hands-on experience with Playwright (experience with additional languages or frameworks is considered an asset) Experience with API testing tools such as Postman Practical experience with Jira and Confluence Strong analytical and problem-solving skills High attention to detail and accuracy Critical thinking and proactive approach to quality Independence, ownership mindset, and willingness to continuously learn Experience mentoring team members and supporting knowledge sharing within the team Experience in direct client communication, gathering requirements, and providing quality-related feedback BSc/BA in Computer Science, Engineering, or a related field Software development experience will be considered an additional asset Excellent verbal communication skills Experience working in Agile/Scrum environments Fluency in English What we offer Contract under Polish law: B2B or Umowa o Pracę Benefits such as private medical care, group insurance, Multisport card There are English classes available Hybrid work (at least 3 days/week on-site) in Warsaw (Mokotów) Opportunity to work with excellent professionals High standards of work and focus on the quality of code New technologies in use Continuously learning and growth International team Pinball, PlayStation & much more (on-site) Interested? Please click the “Apply for this job” button and send us your CV in English.

🏢 Summary: Senior Frontend Developer role focused on leading the architecture and development of AI-enabled web and iOS applications, owning the full frontend layer from design to production. The position involves building scalable React applications and native iOS apps, integrating with backend services, and driving performance, testing, and CI/CD standards. The role combines hands-on development with architectural leadership and mentoring responsibilities. 🗂️ Requirements: 6+ years of professional frontend development experience, Expert-level JavaScript and TypeScript, Expert-level React including hooks and state management, Strong native iOS development experience with Swift and SwiftUI, Experience integrating frontend applications with REST APIs, Knowledge of OAuth2 and JWT authentication mechanisms, Experience with frontend testing frameworks, Experience with frontend build tools, Ability to define frontend architecture and technical standards, Experience working with CI/CD pipelines 📃 Skills: JavaScript, TypeScript, React, Redux, Zustand, Swift, SwiftUI, UIKit, REST, OAuth2, JWT, CSS, Tailwind, StyledComponents, Emotion, Vite, Webpack, Jest, Vitest, Playwright, Cypress, XCTest, Fastlane, Xcode, Claude, CI/CD 🏢 Description: About Webellian Webellian is a well-established Digital Transformation and IT consulting company committed to creating a positive impact for our clients. We strive to make a meaningful difference in diverse sectors such as insurance, banking, healthcare, retail, and manufacturing. Our passion for cutting-edge and disruptive technologies, as well as our shared values and strong principles, are what motivate us. We are a community of engineers and senior advisors who work with our clients across industries, playing a deep and meaningful role in accelerating and realizing their vision and strategy. About the position As a Senior Frontend Developer within Advanced Analytics, you will lead the design and development of user-facing AI-enabled products across web and mobile platforms. You will own the frontend layer of production applications — building sophisticated React-based web interfaces and native iOS mobile experiences that bring AI capabilities directly to end users across the globe. Key responsibilities: Architect and build production-grade React web applications: component design, state management, routing, performance optimization, and accessibility (WCAG compliance). Develop native iOS applications using Swift and SwiftUI (or UIKit where required), delivering high-quality, App Store-ready mobile experiences. Define and enforce frontend architecture standards: folder structure, component libraries, design system integration, and code quality conventions across web and mobile. Integrate frontend applications with REST APIs and event-driven backends, handling authentication flows, error boundaries, loading states, and real-time data patterns. Implement robust frontend testing strategies: unit tests (Jest, Vitest), component tests (React Testing Library), end-to-end tests (Playwright or Cypress), and iOS XCTest suites. Lead frontend performance engineering: bundle optimization, lazy loading, rendering strategies (SSR, CSR, ISR), Core Web Vitals, and iOS app performance profiling. Own the mobile development lifecycle on iOS: from Xcode project configuration and provisioning profiles to TestFlight distribution and App Store submission. Collaborate with UX Designers to translate designs into pixel-perfect, responsive, and accessible interfaces on both web and iOS. Champion AI-augmented development workflows using Claude Code: apply it actively for prototyping, code review, refactoring, and documentation generation. Conduct thorough code reviews, contribute to architectural decision records (ADRs), and mentor junior and mid-level frontend engineers. Work with DevOps to integrate frontend build and deployment into CI/CD pipelines: web app deployments, iOS build automation (Fastlane), and release management. Required Experience & Skills 6+ years of professional frontend development experience, with a strong track record of shipping production applications at scale. Expert-level JavaScript and TypeScript: deep understanding of the language, async patterns, module systems, and type-safe application design. Expert-level React: hooks, context, state management (Redux Toolkit, Zustand, or equivalent), performance patterns, and large-scale component architecture. Strong native iOS development skills using Swift and SwiftUI; experience with UIKit is a plus. Solid experience with iOS-specific concerns: push notifications, background processing, Keychain, deep linking, and App Store review guidelines. Experience consuming and designing frontend integrations with REST APIs, including authentication (OAuth2, JWT), error handling, and data caching strategies. Strong CSS and layout skills: responsive design, CSS-in-JS (Styled Components, Emotion), or utility-first frameworks (Tailwind CSS). Experience with frontend build tooling: Vite, Webpack, or equivalent; understanding of bundling, tree-shaking, and deployment optimization. Hands-on proficiency with Claude Code: using it daily for development, debugging, refactoring, and documentation tasks. Proven ability to define architecture, set standards, and lead technical decisions in a senior individual contributor or tech lead capacity. Strong communication skills: able to collaborate effectively with designers, product managers, and backend engineers across global, distributed teams. What we offer Contract under Polish law: B2B or Umowa o Pracę Benefits such as private medical care, group insurance, Multisport card English classes available Hybrid work (at least 1 day/week on-site) in Warsaw (Mokotów) Opportunity to work with excellent professionals High standards of work and focus on the quality of code New technologies in use Continuously learning and growth International team Pinball, PlayStation & much more (on-site) Join a growing team of dedicated professionals! We love to pass on the knowledge to grow excellence, speak our minds without playing politics, and just enjoy hanging around together. If you share our passions - we want to meet you! So go ahead and apply ➡️

🏢 Summary: 6-month Full Stack Engineer internship focused on building and supporting web applications using Node.js and React. The role involves collaborating with the engineering team across the full development lifecycle, from conception to delivery, contributing to clean code, testing, and technical documentation. 🗂️ Requirements: Enrolled in Bachelor’s or Master’s degree in Computer Science or related technical field, Familiarity with JavaScript, Familiarity with TypeScript, Familiarity with Node.js, Familiarity with React, Familiarity with REST API, Familiarity with GraphQL, Familiarity with SQL databases, Familiarity with NoSQL databases, Familiarity with AWS, Familiarity with Git or Bitbucket, Familiarity with Jenkins, Familiarity with PostgreSQL, Familiarity with Docker 📃 Skills: JavaScript, TypeScript, Node.js, React, REST, GraphQL, SQL, NoSQL, AWS, Git, Bitbucket, Jenkins, PostgreSQL, Docker 🏢 Description: About Webellian Webellian is a well-established Digital transformation and IT consulting company committed to creating a positive impact for our clients. We are driven by shared values, strong principles, and a passion for innovative and disruptive technologies. We are a community of engineers and senior advisors who work with our clients across industries, playing a deep and meaningful role in accelerating and realizing their vision and strategy. About the job We are actively looking for an intern Full Stack Engineer (Node.js & React). As an intern Full Stack Engineer you will collaborate with the engineering team, you will have the opportunity to help them from conception to delivery, on the ongoing projects. Requirements Being enrolled in a Bachelor’s or Master’s degree in Computer Science or a related technical field. Familiarity with: JavaScript, TypeScript, Node.js Familiarity with : React, React Native will be considered as a plus Familiarity with REST API and GraphQL Familiarity with SQL, NoSQL databases Good English skills (B2+), Polish is a plus Excellent verbal communication skills. Familiarity with other technologies: AWS, Bitbucket/GIT, Jenkins, PostgreSQL, Docker A grasp of software architecture trade-offs and considerations, an understanding of software development principles such as design patterns and SOLID concepts (Nice to have) Key responsibilities Help to write clean, functional code, including unit tests Help to write technical documentation Participate in troubleshooting and resolving technical issues Collaborate with the engineering team from conception to delivery What we offer 6 month internship Opportunity to work with excellent professionals, in a professional and friendly environment High standards of work and focus on the quality of code New technologies in use Continuously learning and growth International team Pinball, PlayStation & much more (on-site) About you: Open-minded and eager to learn Autonomous and not afraid to ask questions Business oriented and looking to bring solutions Capable of detailed and analytical thinking Ready to take responsibilities and have an impact on companies’ projects BE BOLD In your CV, please include the following information: Why would you like to join us? Do you have something to share with us? (portfolio, projects, ideas, …)

🏢 Summary: Automation-focused Lead QA Engineer role for an insurance project, responsible for designing and maintaining automated test solutions and ensuring high quality standards across the SDLC. The position involves leading QA strategy, coordinating testing activities, and collaborating closely with development teams and stakeholders. The role also includes improving testing processes and introducing new tools and standards where applicable. 🗂️ Requirements: Minimum 5 years of QA experience, Strong automation testing expertise, Hands-on experience with Playwright, Experience with API testing, Experience with Postman, Experience with Jira and Confluence, Knowledge of QA methodologies and test strategies, Experience defining QA standards and processes, Experience in Agile/Scrum environments, BSc/BA in Computer Science, Engineering or related field, Fluency in English 📃 Skills: Playwright, Postman, Jira, Confluence, API, Automation, Testing, OWASP, ISO27034, Agile, Scrum, SDLC 🏢 Description: About Webellian Webellian is a well-established Digital Transformation and IT consulting company committed to creating a positive impact for our clients. We strive to make a meaningful difference in diverse sectors such as insurance, banking, healthcare, retail, and manufacturing. Our passion for cutting-edge and disruptive technologies, as well as our shared values and strong principles, are what motivate us. We are a community of engineers and senior advisors who work with our clients across industries, playing a deep and meaningful role in accelerating and realizing their vision and strategy. About the position We are seeking an experienced Lead Quality Assurance Engineer with a minimum of five years of professional experience to join our team for a project with a key client in the insurance industry. This position is automation-focused, with automated testing forming the core of daily responsibilities, complemented by limited manual testing activities to support overall product quality. The successful candidate will play a critical role in designing, developing, and maintaining automated test solutions while ensuring high quality standards throughout the software development lifecycle. You will collaborate closely with development teams, product stakeholders, and clients to ensure that delivered solutions meet defined functional, technical, and quality requirements. Depending on your experience, you will also have the opportunity to introduce new testing tools and actively contribute to improving testing strategies and quality processes, including but not limited to OWASP and ISO/IEC 27034. Key responsibilities Analyze requirements and ensure testability Prepare test strategies, plans, and automation approach Design, develop, and execute automated and manual tests Identify, track, and support resolution of defects Perform troubleshooting and root cause analysis Support releases, production deployments, and post-release validation Ensure product quality throughout the software development lifecycle Collaborate with development teams, clients, and stakeholders Mentor QA engineers and support knowledge sharing Coordinate QA activities and testing priorities across teams Define QA standards, processes, and quality strategy Drive continuous improvement of QA and automation practices Competencies Proven experience as a Quality Assurance Engineer / Lead QA with strong automation testing expertise Solid understanding of QA methodologies, test strategy, and software testing best practices Hands-on experience with Playwright (experience with additional languages or frameworks is considered an asset) Experience with API testing tools such as Postman Practical experience with Jira and Confluence Strong analytical and problem-solving skills High attention to detail and quality ownership mindset Critical thinking and proactive approach to quality improvement Independence, accountability, and ability to drive QA initiatives Experience mentoring team members and supporting knowledge sharing within the team Experience coordinating testing activities or guiding QA efforts across projects Experience in direct client communication, gathering requirements, and providing quality-related feedback Ability to define and promote QA standards, processes, and best practices BSc/BA in Computer Science, Engineering, or a related field Software development experience will be considered an additional asset Excellent verbal communication and stakeholder management skills Experience working in Agile/Scrum environments Fluency in English What we offer Contract under Polish law: B2B or Umowa o Pracę Benefits such as private medical care, group insurance, Multisport card There are English classes available Hybrid work (at least 3 days/week on-site) in Warsaw (Mokotów) Opportunity to work with excellent professionals High standards of work and focus on the quality of code New technologies in use Continuously learning and growth International team Pinball, PlayStation & much more (on-site) Interested? Please click the “Apply for this job” button and send us your CV in English.

🏢 Summary: Automation-focused Quality Assurance Engineer role for an insurance industry project, responsible for designing, developing, and maintaining automated test solutions while ensuring high quality standards across the software development lifecycle. The position involves close collaboration with development teams and clients, with opportunities to improve testing strategies and introduce new tools. Limited manual testing complements core automation responsibilities. 🗂️ Requirements: Minimum 5 years of experience as a Quality Assurance Engineer, Strong experience in automation testing, Hands-on experience with Playwright, Experience with API testing tools, Experience with Jira and Confluence, Understanding of QA methodologies and software testing best practices, Experience working in Agile/Scrum environments, BSc/BA in Computer Science, Engineering, or related field, Fluency in English 📃 Skills: Playwright, Postman, Jira, Confluence, OWASP, ISO27034, Agile, Scrum, API, Testing 🏢 Description: About the Webellian Webellian is a well-established Digital Transformation and IT consulting company committed to creating a positive impact for our clients. We strive to make a meaningful difference in diverse sectors such as insurance, banking, healthcare, retail, and manufacturing. Our passion for cutting-edge and disruptive technologies, as well as our shared values and strong principles, are what motivate us. We are a community of engineers and senior advisors who work with our clients across industries, playing a deep and meaningful role in accelerating and realizing their vision and strategy. About the position We are seeking an experienced Quality Assurance Engineer with a minimum of five years of professional experience to join our team for a project with a key client in the insurance industry. This position is automation-focused, with automated testing forming the core of daily responsibilities, complemented by limited manual testing activities to support overall product quality. The successful candidate will play a critical role in designing, developing, and maintaining automated test solutions while ensuring high quality standards throughout the software development lifecycle. You will collaborate closely with development teams, product stakeholders, and clients to ensure that delivered solutions meet defined functional, technical, and quality requirements. Depending on your experience, you will also have the opportunity to introduce new testing tools and actively contribute to improving testing strategies and quality processes, including but not limited to OWASP and ISO/IEC 27034. Key responsibilities Analyze system specifications and requirements Prepare test strategies and automation-focused test plans Design, develop, and maintain automated tests Execute automated tests and analyze results Perform manual testing when required to support releases Identify, document, and track defects Collaborate with development teams to resolve issues Communicate directly with clients, gather requirements, and provide quality-related feedback Mentor team members and support knowledge sharing within the QA team Support troubleshooting and root cause analysis Conduct post-release testing and verification Ensure quality throughout the software development lifecycle Support production deployments and post-deployment validation Contribute to continuous improvement of QA processes and automation practices Competencies Proven experience as a Quality Assurance Engineer with strong automation testing expertise Solid understanding of QA methodologies and software testing best practices Hands-on experience with Playwright (experience with additional languages or frameworks is considered an asset) Experience with API testing tools such as Postman Practical experience with Jira and Confluence Strong analytical and problem-solving skills High attention to detail and accuracy Critical thinking and proactive approach to quality Independence, ownership mindset, and willingness to continuously learn Experience mentoring team members and supporting knowledge sharing within the team Experience in direct client communication, gathering requirements, and providing quality-related feedback BSc/BA in Computer Science, Engineering, or a related field Software development experience will be considered an additional asset Excellent verbal communication skills Experience working in Agile/Scrum environments Fluency in English What we offer Contract under Polish law: B2B or Umowa o Pracę Benefits such as private medical care, group insurance, Multisport card There are English classes available Hybrid work (at least 3 days/week on-site) in Warsaw (Mokotów) Opportunity to work with excellent professionals High standards of work and focus on the quality of code New technologies in use Continuously learning and growth International team Pinball, PlayStation & much more (on-site) Interested? Please click the “Apply for this job” button and send us your CV in English.