Junior Test Automation Engineer

🏢 Summary: Test Automation Engineer role focused on improving SDLC quality and delivery speed through automated end-to-end and manual backend/API testing. The position involves designing, maintaining, and executing tests, reporting defects, and collaborating throughout the product development cycle. It offers hybrid work, flexible hours, performance-based bonus, and development benefits. 🗂️ Requirements: Basic practical experience or strong foundational knowledge of Java, Knowledge of backend automation frameworks, Understanding of REST APIs and microservices, Knowledge of HTTP methods, JSON/XML, status codes, and API testing tools, Basic SQL and database knowledge, Manual API/backend testing capability, Attention to detail and system-level data-flow perspective, English and Polish at B2 level or higher 📃 Skills: Java, REST, JUnit, TestNG, Postman, SQL, HTTP, JSON, XML, Microservices 🏢 Description: Job Description: Test Automation Engineers at Allegro are critical to ensuring the highest quality of SDLC processes and products delivered by the team. This role is essential for reducing the time required for thorough development testing by developing automated E2E tests and performing manual tests to identify typical and edge-case use cases. By providing testing support and delivering tools that streamline the testing process, you will directly impact the speed and quality of delivering business solutions. Important things for you: Flexible working hours in the hybrid model (4/1) - working hours start between 7:00 a.m. and 10:00 a.m. We also have 30 days of occasional remote work. The salary range for this position depending on the skill set is as follows (contract of employment, tax-deductible cost): PLN 11 200 - 15 250 Annual bonus based on your annual performance and company results. Our team is based in Poznań. In your daily work you will handle the following tasks: Supporting the design and implementation of automated tests within the technology stack agreed upon with the team, while also executing and maintaining them. Creating and performing manual tests and collaborating with the team to define test criteria during new feature development. Actively participating in the entire product development cycle to help identify edge cases, mutually exclusive requirements, or logic gaps. Reporting identified bugs and supporting backlog prioritization to ensure platform stability. Maintaining the appropriate level of Quality Assurance within the team, particularly in SDLC processes. Collaborating with Software Engineers regarding test status reporting and with other Test Engineers within the domain. Writing clean, easy-to-read, and easy-to-debug code while contributing to the definition of Ready (DoR) and Definition of Done (DoD). Acting as a "customer ambassador" – continuously evaluating the team’s work from the end-user's perspective. This is the right job for you if: Have basic practical experience or strong foundational knowledge of Java and backend automation libraries/frameworks (e.g., REST Assured, JUnit, TestNG). Understand how REST APIs and microservices work (comfortable with HTTP methods, JSON/XML, status codes, and API tools like Postman). Have a basic understanding of databases (SQL) and how backend systems process and persist data. See manual API/backend testing as the best way to truly understand a service before you start writing code to automate it. Want to be proud of the code you write, are open to feedback (code reviews), and willing to share your knowledge. Possess a keen eye for detail and a system-level, data-flow perspective rather than just a single-feature focus. Are eager to continuously develop your skills in a modern Java backend environment. Know English and Polish at B2 level or higher. What's in it for you: Flexible working hours in the hybrid model (4/1) – working hours start between 7:00 a.m. and 10:00 a.m. We also have 30 days of occasional remote work. Well-located offices (with e.g. fully equipped kitchens, bicycle parking, terraces full of greenery) and excellent work tools (e.g., raised desks, ergonomic chairs, interactive conference rooms). A 16" or 14" MacBook Pro or corresponding Dell with Windows (if you don't like Macs) and all the necessary accessories. A wide selection of fringe benefits in a cafeteria plan – you choose what you like (e.g., medical, sports or lunch packages, insurance, purchase vouchers). English classes that we pay for related to the specific nature of your job. A training budget, inter-team tourism, hackathons , and an internal learning platform where you will find multiple trainings. An additional day off for volunteering , which you can use alone, with a team, or with a larger group of people connected by a common goal. Social events for Allegro people – Spin Kilometers, Family Day, Fat Thursday, Advent of Code, and many other occasions we enjoy. #goodtobehere means that: You will join a team you can count on – we work with top-class specialists who have knowledge- and experience-sharing in their DNA. You will love our level of autonomy in team organization , the space for continuous development, and the opportunity to try new things. You get to choose which technology solves the problem and you are responsible for what you create. You will value our Developer Experience and the full platform of tools and technologies that make creating software easier. We rely on an internal ecosystem based on self-service and widely used tools such as Kubernetes, Docker, Consul, GitHub, and GitHub Actions. You will be equipped with modern AI tools to automate repetitive tasks, allowing you to focus on developing new services and refining existing ones (also leveraging AI support). You will create solutions that will be used (and loved!) by your friends, family and millions of our customers. You will meet the Allegro Scale , which starts with over 1000 microservices, an open-source data bus (Hermes) with 300K+ rps, and tens of petabytes of data. You will become part of Allegro Tech – we speak at conferences, run our own blog, record podcasts, and organize our own internal conference – the Allegro Tech Meeting. Send us your CV and... see you at Allegro!

🏢 Summary: Senior backend engineering role focused on designing, optimizing, and operating highly available checkout and purchase-path services at massive scale. The position involves end-to-end ownership of cloud-native microservices, business collaboration, on-call reliability, LLM-based tool development, and mentoring less experienced developers. 🗂️ Requirements: 5+ years building and maintaining complex, highly scalable systems, Java proficiency, Kotlin proficiency, Reactive programming experience, Experience collaborating with Product Managers and analyzing business requirements, Experience cooperating with technical teams, Readiness for structured on-call rotation 📃 Skills: Java, Kotlin, Reactive, GCP, Spring, MongoDB, Microservices, Airflow, Kubernetes, Docker, Consul, GitHub, LLM 🏢 Description: About the job: At Allegro, we operate at a massive scale where performance and reliability are paramount. Within the Razor team, we maintain the critical backend infrastructure for the entire checkout and purchase path. Our service acts as the central hub, providing essential offer data to nearly 60 critical services - including Show Product, Listings, and Cart - across mobile, web, and desktop. Operating on nearly 500 instances and handling traffic of up to 50,000 requests per second, this high-throughput environment demands exceptional focus on high availability, Java performance optimization, and scalable architecture. Important things for you: Flexible working hours in the hybrid model (4/1) - working hours start between 7:00 a.m. and 10:00 a.m. We also have 30 days of occasional remote work. The salary range for this position depending on the skill set is as follows (contract of employment, tax-deductible cost): PLN 18 850 - 25 900 Annual bonus based on your annual performance and company results. Long term discretionary incentive plan based on Allegro.eu shares (restricted stock units). Our team is based in Toruń. What You'll Do: Massive Scale : Design, build, and optimize systems that handle thousands of requests per second. This is high-availability, high-performance engineering in practice. Master advanced technologies : Work in a world-class, cloud-native environment (GCP). Our core technologies include Java, Kotlin, Spring, MongoDB, microservices, and Airflow (Big Data). True Ownership & Autonomy : We live by the "you build it, you run it" philosophy. You'll join an agile, autonomous team with full ownership of your microservices—from design to deployment. Engage with diverse business initiatives: Partner with PMs to analyze requirements and drive numerous business initiatives across Allegro. Drive innovation with LLM: Participate in the development of new tools based on Large Language Models. Work with an experienced team: Benefit from a high-agency environment with support and development opportunities provided by senior experts. As a senior developer, you will also have the opportunity to share your knowledge and mentor colleagues with less experience. Ensure system reliability: Maintain the stability of complex architectures through participation in on-call duty. We are looking for people with: Commercial experience: 5 years of experience in building and maintaining complex, high-scalability systems. Strong technical foundation: Proficiency in Java (primary) and Kotlin, with a focus on reactive programming. Advanced database skills (nice to have): Hands-on experience and advanced knowledge of MongoDB. Business-oriented mindset: Experience in collaborating with Product Managers and analyzing business requirements. Team collaboration skills: A track record of frequent cooperation with other technical teams to deliver shared goals. Reliability and ownership: Readiness to participate in a structured on-call rotation to ensure system stability. What's in it for you: Flexible working hours in the hybrid model (4/1) - working hours start between 7:00 a.m. and 10:00 a.m. We also have 30 days of occasional remote work. Annual bonus based on your annual performance and company results. Well-located offices (with e.g. fully equipped kitchens, bicycle parking, terraces full of greenery) and excellent work tools (e.g., raised desks, ergonomic chairs, interactive conference rooms). A 16" or 14" MacBook Pro or corresponding Dell with Windows (if you don't like Macs) and all the necessary accessories. A wide selection of fringe benefits in a cafeteria plan - you choose what you like (e.g., medical, sports or lunch packages, insurance, purchase vouchers). English classes that we pay for related to the specific nature of your job. A training budget, inter-team tourism ( see more here ), hackathons, and an internal learning platform where you will find multiple trainings. An additional day off for volunteering, which you can use alone, with a team, or with a larger group of people connected by a common goal. Social events for Allegro people - Spin Kilometers, Family Day, Fat Thursday, Advent of Code, and many other occasions we enjoy. And that's just the beginning! You can read more about the benefits here . #goodtobehere means that: You will join a team you can count on - we work with top-class specialists who have knowledge- and experience-sharing in their DNA. You will love our level of autonomy in team organization, the space for continuous development, and the opportunity to try new things. You get to choose which technology solves the problem and you are responsible for what you create. You will value our Developer Experience and the full platform of tools and technologies that make creating software easier. We rely on an internal ecosystem based on self-service and widely used tools such as Kubernetes, Docker, Consul, GitHub, and GitHub Actions. Thanks to this, you can contribute to Allegro from your very first days on the job. You will be equipped with modern AI tools to automate repetitive tasks, allowing you to focus on developing new services and refining existing ones (also leveraging AI support). You will create solutions that will be used (and loved!) by your friends, family and millions of our customers. You will meet the Allegro Scale , which starts with over 1000 microservices, an open-source data bus (Hermes) with 300K+ rps, a Service Mesh with 1M+ rps, tens of petabytes of data, and production-used machine learning. You will become part of Allegro Tech - We speak at industry conferences, cooperate with tech communities, run our own blog (it's been over 10 years!), record podcasts, lead guilds, and we organize our own internal conference - the Allegro Tech Meeting. We create solutions we love (and can) to talk about! Send us your CV and… see you at Allegro!

🏢 Summary: Build and scale backend microservices for an AI Partner Assistant, supporting real-time, data-driven experiences under high traffic. The role uses Java or Kotlin, Spring Boot and Kafka, with opportunities to develop LLM agents, prompt engineering and AI-quality evaluation skills. 🗂️ Requirements: Java or Kotlin, Spring Boot, Kafka, English — B2 or higher 📃 Skills: Java, Kotlin, SpringBoot, Kafka 🏢 Description: Software Engineer 1 (Java / Kotlin) - AI Assistant Location: Poznań, PL, 61-569 Company: Allegro sp. z o.o. Team: Technology Contract Type: Employee About the job: In Partner Experience we holistically handle our Partner processes. From acquiring new Partners, through their registration, verification and account setup, publication and editing of listings, order management, sale statistics delivery and payment and pricelist management, to API integrations. Every day, we deal with challenges related to heavy traffic, large data volumes and solution scaling, so as to meet the needs of Partners and the business. Join the Partner Experience Team! You will have a chance to build Allegro Partner AI Assistant - one of the most innovative products on the platform. Your team works closely with other engineering teams, creating the best experience for customers. High performance, engineering best practices and great atmosphere in the team guaranteed! Important things for you: Flexible working hours in the hybrid model (4/1) - working hours start between 7:00 a.m. and 10:00 a.m. We also have 30 days of occasional remote work. The salary range for this position depending on the skill set is as follows (contract of employment, tax-deductible cost): PLN 11 200 - 15 250 Annual bonus based on your annual performance and company results. Our team is based in Poznań. We are looking for people who: Code in Kotlin or Java and have experience with Spring Boot and Kafka to build robust backend systems; Are enthusiastic about AI and want to stay at the forefront of technical innovation; Want to build impactful tools that power our AI Partner Assistant, driving the end-to-end development of robust, highly scalable microservices to deliver real-time, data-driven support under high user traffic; Know how to use LLM models to create agents (automation, conversations), or want to develop in this area; Know techniques of prompt engineering and how to evaluate the quality of LLM models , or want to develop in this area; Experience with frontend technologies (React/TypeScript) is a “Nice to have” to help build modern frontend reporting components; Are excited to join a growing team where they can influence the technical vision and help shape new projects from the ground up within the ecosystem; Know English at least at B2 level. What's in it for you: Well-located offices (with e.g. fully equipped kitchens, bicycle parking, terraces full of greenery) and excellent work tools (e.g., raised desks, ergonomic chairs, interactive conference rooms). A 16" or 14" MacBook Pro or corresponding Dell with Windows (if you don't like Macs) and all the necessary accessories. A wide selection of fringe benefits in a cafeteria plan - you choose what you like (e.g., medical, sports or lunch packages, insurance, purchase vouchers). English classes that we pay for related to the specific nature of your job. A training budget, inter-team tourism ( see more here ), hackathons, and an internal learning platform where you will find multiple trainings. An additional day off for volunteering, which you can use alone, with a team, or with a larger group of people connected by a common goal. Social events for Allegro people - Spin Kilometers, Family Day, Fat Thursday, Advent of Code, and many other occasions we enjoy. And that's just the beginning! You can read more about the benefits here . #goodtobehere means that: You will join a team you can count on - we work with top-class specialists who have knowledge- and experience-sharing in their DNA. You will love our level of autonomy in team organization, the space for continuous development, and the opportunity to try new things. You get to choose which technology solves the problem and you are responsible for what you create. You will value our Developer Experience and the full platform of tools and technologies that make creating software easier. We rely on an internal ecosystem based on self-service and widely used tools such as Kubernetes, Docker, Consul, GitHub, and GitHub Actions. Thanks to this, you can contribute to Allegro from your very first days on the job. You will be equipped with modern AI tools to automate repetitive tasks, allowing you to focus on developing new services and refining existing ones (also leveraging AI support). You will create solutions that will be used (and loved!) by your friends, family and millions of our customers. You will meet the Allegro Scale , which starts with over 1000 microservices, an open-source data bus (Hermes) with 300K+ rps, a Service Mesh with 1M+ rps, tens of petabytes of data, and production-used machine learning. You will become part of Allegro Tech - We speak at industry conferences, cooperate with tech communities, run our own blog (it's been over 10 years!), record podcasts, lead guilds, and we organize our own internal conference - the Allegro Tech Meeting. We create solutions we love (and can) to talk about! Send us your CV and… see you at Allegro!

🏢 Summary: Mobile Software Engineer role focused on building AI Shopping Assistant features and improvements for a high-traffic e-commerce mobile app. The position covers native iOS or Android development, performance, testing, architecture, and collaboration with product and engineering teams in a hybrid Warsaw-based setup. 🗂️ Requirements: Professional native iOS/Swift or Android/Kotlin development experience, Mobile architecture patterns, RESTful APIs, Asynchronous programming, Unit and integration testing, Software engineering principles, Data structures, Algorithms, CI/CD pipelines, AI-assisted development tools, English communication, Polish communication 📃 Skills: iOS, Swift, Android, Kotlin, MVVM, MVI, REST, CI/CD, GitHub, Kubernetes, Docker, Consul 🏢 Description: About the job As a Mobile Software Engineer, you will be a key contributor to the development of new AI Shopping Assistant related features and improvements for our mobile applications. You will work closely with product owners, designers, and other engineers to translate user needs into robust, high-performance mobile experiences. This role is ideal for someone with solid experience in mobile development, a strong understanding of software engineering principles, and a desire to grow their expertise in a fast-paced e-commerce environment. Important things for you: Flexible working hours in the hybrid model (4/1) - working hours start between 7:00 a.m. and 10:00 a.m. We also have 30 days of occasional remote work. The salary range for this position depending on the skill set is as follows (contract of employment, tax-deductible cost): PLN 14 600 - 20 825 Annual bonus based on your annual performance and company results. Our team is based in Warsaw. What You'll Do: Design, develop, test, and deploy features for the Allegro mobile app, ensuring high quality, performance, and responsiveness. Collaborate with product, design, and other engineering teams to define and implement innovative solutions. Participate in code reviews, contribute to technical discussions, and help maintain high code quality standards. Be part of Allegro’s mobile community composed of more than 100 mobile developers. In our community, we actively share knowledge as part of our daily code review work and at dedicated company events. We have time dedicated to knowledge sharing as well as opportunities for personal skills development Identify and resolve performance and scalability issues. Stay up-to-date with the latest mobile technologies and industry trends. We are looking for someone who has: Professional experience in native mobile application development (iOS/Swift OR Android/Kotlin). Understanding of mobile application architecture patterns (e.g., MVVM, MVI,Modular Architecture for iOS; Clean Architecture for Android). Familiarity with RESTful APIs, asynchronous programming, and efficient data handling. Proficiency in writing unit and integration tests (experience with E2E testing to ensure reliability is a plus). Understanding of software engineering principles, data structures, and algorithms. Experience with continuous integration and continuous delivery (CI/CD) pipelines. Experience using AI-assisted tools (e.g., code generation, debugging, or prototyping) in your development process. Good communication skills in English and Polish, both written and spoken. A proactive approach to problem-solving, ability to think outside the box, and a passion for creating excellent user experiences. Willingness to share knowledge during code reviews and collaborate closely with backend technologies and product teams. Bonus points if you have: Dual-platform expertise: Professional experience in both native iOS and Android development. Experience with large-scale, high-traffic mobile applications. Knowledge of reactive programming (e.g., RxJava/RxKotlin, Combine). Familiarity with modern native frameworks and tools (e.g., Jetpack Compose and Coroutines for Android). Seamless integration of AI agents into your daily coding routine for maximum productivity and efficiency. Experience with A/B testing frameworks. Contributions to open-source projects or a strong GitHub profile. Experience working in an Agile/Scrum environment. What's in it for you: Well-located offices (with e.g. fully equipped kitchens, bicycle parking, terraces full of greenery) and excellent work tools (e.g., raised desks, ergonomic chairs, interactive conference rooms). A 16" or 14" MacBook Pro or corresponding Dell with Windows (if you don't like Macs) and all the necessary accessories. A wide selection of fringe benefits in a cafeteria plan - you choose what you like (e.g., medical, sports or lunch packages, insurance, purchase vouchers). English classes that we pay for related to the specific nature of your job. A training budget, inter-team tourism ( see more here ), hackathons, and an internal learning platform where you will find multiple trainings. An additional day off for volunteering, which you can use alone, with a team, or with a larger group of people connected by a common goal. Social events for Allegro people - Spin Kilometers, Family Day, Fat Thursday, Advent of Code, and many other occasions we enjoy. And that's just the beginning! You can read more about the benefits here . #goodtobehere means that: You will join a team you can count on - we work with top-class specialists who have knowledge- and experience-sharing in their DNA. You will love our level of autonomy in team organization, the space for continuous development, and the opportunity to try new things. You get to choose which technology solves the problem and you are responsible for what you create. You will value our Developer Experience and the full platform of tools and technologies that make creating software easier. We rely on an internal ecosystem based on self-service and widely used tools such as Kubernetes, Docker, Consul, GitHub, and GitHub Actions. Thanks to this, you can contribute to Allegro from your very first days on the job. You will be equipped with modern AI tools to automate repetitive tasks, allowing you to focus on developing new services and refining existing ones (also leveraging AI support). You will create solutions that will be used (and loved!) by your friends, family and millions of our customers. You will meet the Allegro Scale , which starts with over 1000 microservices, an open-source data bus (Hermes) with 300K+ rps, a Service Mesh with 1M+ rps, tens of petabytes of data, and production-used machine learning. You will become part of Allegro Tech - We speak at industry conferences, cooperate with tech communities, run our own blog (it's been over 10 years!), record podcasts, lead guilds, and we organize our own internal conference - the Allegro Tech Meeting. We create solutions we love (and can) to talk about! Send us your CV and… see you at Allegro!

🏢 Summary: Join an Advertising team to build and operate high-availability backend microservices and ML-serving infrastructure for a large real-time marketplace. The role uses Kotlin, Spring, Kafka, Kubernetes, BigQuery, and Spark to solve distributed-systems, streaming, and algorithmic challenges. It offers hybrid work in Poznań, flexible hours, performance bonus, and extensive development benefits. 🗂️ Requirements: Kotlin or Java programming, Willingness to master Kotlin, High-quality code review practices, Software engineering best-practice knowledge, Ability to solve user requirements effectively, Continuous learning mindset, English at B2 level or higher 📃 Skills: Kotlin, Java, Spring, Kafka, Kubernetes, BigQuery, Spark, Docker, Consul, GitHub, ML 🏢 Description: About the job Massive Scale : Design, build, and optimize systems that handle thousands of requests per minute. This is high-availability, high-performance engineering in practice. Modern Tech Stack : Work with a world-class, cloud-native environment. Our core technologies include Kotlin, Spring, Kafka, and Kubernetes. We're not shy when it comes to ML too :) True Ownership & Autonomy : We live by a "you build it, you run it" philosophy. You'll join an agile, autonomous team with full ownership of your microservices, from design to deployment. Complex Challenges : From distributed systems and data streaming to algorithmic optimization, you'll tackle the complex backend problems that power a massive, real-time marketplace. End-to-End ML Systems: Bridge the gap between big data and real-time product impact. You’ll build the infrastructure for serving ML models , using BigQuery and Apache Spark for offline data processing. You’ll integrate these components with our microservices architecture to create the sophisticated advertising system that powers a personalized user experience. Join the Advertising team! You will have a chance to build Allegro Ads - one of the most visible products on the platform. Your team works closely with the Machine Learning team, creating the best experience for customers. High performance, engineering best practices and great atmosphere in the team guaranteed! Important things for you Flexible working hours in the hybrid model (4/1) - working hours start between 7:00 a.m. and 10:00 a.m. We also have 30 days of occasional remote work. The salary range for this position depending on the skill set is as follows (contract of employment, tax-deductible cost): PLN 11 200 - 15 250 Annual bonus based on your annual performance and company results. Our team is based in Poznań. We are looking for people who: Code in Kotlin or Java and are eager to master Kotlin by taking part greenfield project Want to be proud of the code they create ; they value high-quality code reviews and engage in substantive discussions on software engineering best practices; Are excited about building new products and want to experience the journey of launching a fresh project within the Allegro ecosystem; Are open to developing soft skills and embracing a growth mindset through active participation in code reviews, pair programming, and team retrospectives.; Are open to incorporating AI coding assistants into their daily work to maximize efficiency and focus on complex problem-solving Can look for effective solutions to the requirements set by users; Want to constantly develop and update their knowledge; Know English at at least B2 level. What's in it for you: Well-located offices (with e.g. fully equipped kitchens, bicycle parking, terraces full of greenery) and excellent work tools (e.g., raised desks, ergonomic chairs, interactive conference rooms). A 16" or 14" MacBook Pro or corresponding Dell with Windows (if you don't like Macs) and all the necessary accessories. A wide selection of fringe benefits in a cafeteria plan - you choose what you like (e.g., medical, sports or lunch packages, insurance, purchase vouchers). English classes that we pay for related to the specific nature of your job. A training budget, inter-team tourism ( see more here ), hackathons, and an internal learning platform where you will find multiple trainings. An additional day off for volunteering, which you can use alone, with a team, or with a larger group of people connected by a common goal. Social events for Allegro people - Spin Kilometers, Family Day, Fat Thursday, Advent of Code, and many other occasions we enjoy. And that's just the beginning! You can read more about the benefits here . #goodtobehere means that: You will join a team you can count on - we work with top-class specialists who have knowledge- and experience-sharing in their DNA. You will love our level of autonomy in team organization, the space for continuous development, and the opportunity to try new things. You get to choose which technology solves the problem and you are responsible for what you create. You will value our Developer Experience and the full platform of tools and technologies that make creating software easier. We rely on an internal ecosystem based on self-service and widely used tools such as Kubernetes, Docker, Consul, GitHub, and GitHub Actions. Thanks to this, you can contribute to Allegro from your very first days on the job. You will be equipped with modern AI tools to automate repetitive tasks, allowing you to focus on developing new services and refining existing ones (also leveraging AI support). You will create solutions that will be used (and loved!) by your friends, family and millions of our customers. You will meet the Allegro Scale , which starts with over 1000 microservices, an open-source data bus (Hermes) with 300K+ rps, a Service Mesh with 1M+ rps, tens of petabytes of data, and production-used machine learning. You will become part of Allegro Tech - We speak at industry conferences, cooperate with tech communities, run our own blog (it's been over 10 years!), record podcasts, lead guilds, and we organize our own internal conference - the Allegro Tech Meeting. We create solutions we love (and can) to talk about! Send us your CV and… see you at Allegro!