Adam is the library guy, who loves designing reusable software components with minimal dependencies, maximal usefulness and user friendly API. At Allegro he leads team responsible for creating internal services-for-services and tools that make development of microservices easier, the most significant one being Hermes.
Gopher working at Allegro for over 5 years, interested in container orchestration tools. Open source fan and occasional contributor.
Product Manager who is passionate about technology and people. At Allegro she takes care of checkout and payments areas where she addresses the needs of several million Allegro users. Agile enthusiast in every way, she enjoys spending time traveling around the world, reflecting cultural contrasts in the day-by-day life, as well as in the products.
Alicja is UX researcher in Allegro Group with cognitive science background. She is a big fan of data-driven decision-making and common sense.
In Allegro Group since 2013. Software Engineer with 7 years’ experience building code, architecture and technical solutions. Big fan of Agile movement, Scrum framework, Lean Startup and customer-oriented development. Focused on improving processes, interactions inside teams and applications’ user experience.
Andrzej works as a software engineer. He is interested in developing and designing search engines and NoSql solutions. At Allegro, he works in the team that delivers the search engine.
Ania achieved her PhD in computer science in 2008 at Warsaw University of Technology. Her interests concentrates around information retrieval, semantic understanding of image and text. At Allegro she works as an expert in machine learning algorithms, she designs specialised methods and makes a lot of analytical tasks. She tries to bridge the gap between business, the world of programmers and her scientific passion. Privately she is a happy wife and a mother of great children from adolescence to a kindergarten guy.
Artur is an Android developer working at Allegro Group. Seeks ways of increasing code quality and helping developers avoid repetitive tasks. He’s passionate about motorsports and snooker.
Bartek is a software engineer who works on the Allegro experimentation platform. He is allergic to the status quo.
At Allegro Group since 2009. At work he is interested in highly scalable architectures, microservices, Cassandra database, all technologies around JVM and all aspects of software creation. After hours he writes games and AI systems. At Allegro, he is a Solutions Architect for the users domain.
Bartek is a Software Engineer focused on backend technologies, but also interested in dealing with big data. Likes to observe how teams work. At Allegro, he works on Allegro Smart! and Delivery Experience.
Software Developer at Allegro, engineer with devops flavor. Believes that there is always a place for improvement; likes to try new technologies and languages. Open source fan and occasional contributor.
Software engineer with 15+ years of professional experience. He focuses on lightweight and modern technologies around JVM. At Allegro, he works as a development team leader. JaVers project lead. Spock advocate. Editor in chief of allegro.tech/blog.
Likes to think of himself as a Platform Engineer. Aspires to employ engineering principles to his work. Applies Dev-Ops practice and is always eager to grasp all aspects of whatever he’s working on. Distributed systems enthusiast, clean code fan and a constant learner.
Passionate software engineer with 7+ years of professional experience, specialized in creating scalable and high traffic web applications using new technologies. Enthusiast of clean code, automated testing and agile methodology. Personally passionate of rock’n’roll history, lyricist and bass player.
Edyta is the Product Owner for Allegro search engine. She has been in product development for 10 years. She enjoys using agile methods, UX design and metrics to create products that customers love.
Eryk is a superhero from Poznań.
Ewa is a software engineer with 6+ years of professional experience in Java technologies. She is a big fan of clean code. Believes that programming should be more promoted and we should encourage children to learn it, as it develops logical thinking. At Allegro, she works in a team which develops solutions for the financial department.
Ewelina is a data science intern at Allegro with a degree in mathematics and neuroinformatics. She is also passionate about quantum computing and biological signal processing.
Software engineer and team leader at the team responsible for Allegro listing. Especially interested in chaos engineering and building resilient systems in microservices architecture using reactive and asynchronous patterns.
A software engineer interested in building resilient and scalable distributed systems. At Allegro, he works in a team which develops a Pay-per-Click (PPC) advertising system.
Software developer with 4+ years of professional experience. Fan of simplicity and YAGNI principle.
Grzegorz is a software engineer with 5+ years of professional experience. He is interested in modern web frameworks and creating high quality code in Java using non-obtrusive design patterns. At Allegro, he works in a team which delivers solutions for the financial department.
Software engineer who works mainly on backend services of various shapes and sizes. Likes to understand the bigger picture of how systems work and integrate.
Jacek is a Solutions Architect and software engineer with almost 15 years of experience in Java-related technologies and more than 8 years experience in designing Web applications.
Jarek works at Allegro Group building big data collecting and processing system. For over three years his daily job has been to implement and troubleshoot Pig, Hive and Cascading jobs run on one of the biggest Hadoop clusters in Poland.
At Allegro, Joanna works as an Event Specialist in PromoIT team.
Agile Coach with 3 years of professional experience, especially coaching and mentoring Mobile teams. Passionate about people’s behaviour and data visualisation. Follows the approach - you get what you focus on.
Site Reliability Engineer responsible for Allegro Platform. In Allegro Group since 2011. Software Engineer with over 10 years of experience in building and maintaining complex IT system using C++, Python, PHP and Ruby. OpenWRT and Raspberry Pi enthusiast and amateur photographer.
Kamil is an iOS software developer. He is very curious of how things work internally, so he likes to decompile frameworks and apps.
Kamil is a software engineer with 5+ years of professional experience. He is interested in creating distributed, scalable and fault-tolerant web applications using software design patterns and clean code rules. At Allegro, he works in a team which develops solutions for the financial department.
Karol is a junior developer with less than two years of professional experience in Java technologies so far. At Allegro he works in a team responsible for migrating legacy Allegro listings to the SOA world. He belives that user is most important part of the whole service.
Karol is a software craftsman and data analysis enthusiast. His main interests lie in cloud distributed systems but he also sets his first steps in frontend development and data modelling.
Scrum Master with 4+ years of professional experience, passionate about Agile product development, team dynamics and its evolution and coaching. At Allegro since 2013, currently working with teams from Finance and Payment Departments.
Software developer who likes to have a broad picture of the things he’s using/working with. An old timer.
Krystian has been an Analyst in Allegro Group for over 4 years. He is a follower of user-centered design and logical reasoning.
Agile coach at Allegro, psychologist and experienced social skills trainer approved by Polish Psychologists` Association. She graduated from the School of Transactional Analysis and has participated in a 4-year programme of specialized training courses in the Organisational TA. While working in IT, she likes to look inside a team and analyse relationships between group members.
Project manager with an agile attitude that has been carrying out various IT projects in an international environment for over 8 years. Passionate about agile techniques and confronting plans versus reality. Enjoys challenges and meeting interesting people. Disapproves of unpunctuality. Father of two daughters and a soul windsurfer.
Technical enthusiast, software engineer and product owner of Service Bootstrap developed in Allegro. He is open to all new technologies and programming languages and he has no fear to work on legacy systems and rewrite it in modern way.
Krzysztof works at Allegro Group since 2012. He is interested in mobile security and reducing data usage.
A software engineer with 7+ years of professional experience. A Node.js enthusiast. At Allegro, he works as a front-end webdeveloper.
Łukasz is a Tech Lead who likes to understand how things work under the hood. He is a core developer of Hermes, a message broker in which low response times and high throughput are important requirements.
Łukasz is a Java developer with 4 years of professional experience. At Allegro Group since 2013. Currently a member of the team which works on API.
Łukasz is a software engineer with a deep passion for science. He combines his work at Allegro with pursuing a PhD at the University of Warsaw. He wants to change the world for the better with his work as a computer scientist.
He’s been Product Owner for over 2 years, at Allegro Group for 7 years. After work he likes to spend his time at the shooting range, playing board games or online matches. Fan of Terry Pratchett, Monty Python and South Park.
Maciek works at Allegro on developing a scalable, distributed data collection and analysis system. Former Java EE developer, now a Scala, Spark and functional programming enthusiast.
Małgorzata is a software engineer focused on backend microservices and big data. Code simplicity and unit testing enthusiast.
Marcin Borkowski is an agile coaching enthusiast who believes that questions appear only because there are answers, and Scrum Master is a catalyst in the process of finding the right answers.
Marcin is an Agile Coach at Allegro Group, passionate about agile, coaching and travelling. He helps teams to be more agile by coaching and learning with them, removing impediments and cooperating with the organisation to foster change and improve working environment. He has experience working with mature and ‘new to agile’ teams. Formerly acting as a Project Manager and coordinating globally dispersed (USA, Europe, India, China) as well as local project teams in financial / IT environment. Personally an avid photographer travelling to distant and less distant places to capture moments that stole his attention — sharing his stories at marcinkonkel.com. Additionally, he’s writing and sharing his professional experience at medium.com/@m_konkel.
Marcin is a Big Data engineer working at Allegro Group since 2014. He genuinely likes programming, problem solving and learning new trends in software methodologies, tools and languages.
Marcin is a software engineer with 9+ years of professional experience mostly in PHP and technologies around JVM. He is interested in creating distributed, highly scalable and fault-tolerant web applications. He likes to try new technologies and programming languages. At Allegro, he works in a team responsible for purchasing process.
A Java developer passionate about source code architecture. Creator of open-source libraries and those used internally at Allegro.
A software developer with 5+ years of professional experience. Now working as a Senior Data Engineer in Allegro Group, developing tools that support internal Big Data ecosystem and contributing to Open Source.
Harnesser of JVM-ish languages in the service of business during the day, papers reader at night. Fan of distributed ‘everything’, FP novice.
Software developer at Allegro, currently exploring the knowledge of REST API management.
Mateusz is a solutions architect responsible for financial and payments systems. His main areas of research interest are: scalable, distributed computing in cloud environments, reactive programming and failure resilience.
Mateusz is a frontend developer, dreaming about a career in machine learning. He used to be a humanities student, dreaming about a career in frontend development.
Mateusz has been working as a Scala developer at Allegro Group in a recommendation platform team for a year. Earlier he worked as Node.js, Java and Python developer. His interests focus on performance and consistency problems in distributed systems.
Michał is a software engineer with 11+ years of professional experience in testing software, working in Agile since 2014. He believes that QA role is much more than validation and bug chasing activity. At Allegro, he works in a team which develops solutions for the financial department.
A software developer with 8 years of professional experience. At Allegro Group since 2012. His family calls him a workaholic.
Michał is interested in all things high-performance, whether it be low-level stuff like analyzing how OS caches affect I/O operations or high-level like proper application design and functional programming. At Allegro, he works in a team which develops a Pay-per-Click (PPC) advertising system.
Michał is a Software Engineer passionate not only about reactive programming and failure resilience but also about how people and teams work together. Although he enjoys rewriting legacy systems to modern solutions, he loves working with fresh and well-crafted code.
Change catalyst and agile enthusiast who takes care of development process in Allegro. As Scrum Master facilitates teams as well as collaborates with other agile coaches to make organisation better. Technical background helps him in better understanding of development mechanisms.
Michał is a senior software engineer with four years of professional experience. He believes that being pragmatic and thinking-while-doing is the key to every success.
Patryk is a System Engineer with 6+ years of experience in the web hosting industry. Equally comfortable with both frontend and backend technologies. He likes to focus on solving problems and performance issues. In his free time NFsec editor. At Allegro Group since 2011.
A software engineer passionate with mobile technologies, in particular interested in security. He believes that quality is key to long term success.
Software developer focused on continuous integration, deployment, clean code and code quality. He has sonar in his eyes and likes to do code reviews for other teams to learn something new or teach someone something new. In private he likes hard rock music, loud choppers and sport.
A software engineer who spends most of his time working with frontend technologies. The rest of his time he devotes to inspiring others.
Paweł is a full-stack software engineer and an enthusiast of new technologies.
Paweł is interested in distributed databases stuff with a special focus on making Big Data easy. He is Product Owner in a Big Data Solutions Team at the Infrastructure department. The team develops and maintains a petabyte Hadoop cluster with endpoints like Apache Kafka messaging.
Software engineer who spends most of his time working with JVM-related technologies. Groovy & devops enthusiast.
Programmer and language agnostic. He thinks that you always have to select a tool that suits your needs. A Coach, Public Speaker, professional Networker and an enthusiast of The Thank You Economy. He believes in people and thinks it is better to give a man a fishing rod instead of fish.
Mobile passionate with over 10 years of experience on various positions within the mobile industry.
Paweł is a data scientist working at Allegro Group since 2014 with experience in industry and academia. He enjoys working with various types of data technologies and machine learning algorithms.
Software engineer interested in building resilient distributed systems. Strong supporter of continuous integration & delivery, believes in Unix philosophy. IT communities enthusiast.
At Allegro Group since 2009. Software Engineer with 5+ years of professional experience mostly in Java and PHP. He also used to work as a Scrum Master. Now leading development team delivering product informations for Allegro.
Piotr is a software engineer interested in both concurrent and functional programming. He is a big fan of high-quality code and clean architecure. At Allegro, he works in a team which develops solutions for the financial department.
Big Data engineer. My passion is all about creating useful software. In love with DDD and Druid.io
Software Development Manager with over twenty years of experience in IT and e-commerce. At Allegro he manages the work of 150+ engineers taking care of their continuous substantive development, he is responsible for the technical quality, stability and efficiency of the Allegro platform. He likes simple solutions which gives more possibilities than originally planned :)
UX designer with an inclination towards simple yet lovable interfaces. Believes that a loyal user is the most cherished thing in the world to be found on the Web.
Software engineer with 15+ years experience in IT. Currently working as a Senior Software Engineer in Big Data team at Allegro. Passionate about automation and strongly typed functional languages.
Piotr is a data platform engineer. He strongly believes in scientific attitude so he enjoys analytical part of his work the most. After hours he likes reading books with up to two characters and listening to some boring music.
Przemek is a software engineer with ~3 years of experience in multiple technologies. He is interested in distributed, cloud-based architectures and NoSql databases. At Allegro, he works in a team which delivers solutions for the financial department.
Agile Coach with technological background. Passionate about creating good software in a proper way. Rafał works with people from Polish e-commerce and facilitates the process of making optimal decisions. Fan of modern technology, board games and cycling.
Rafał is an experienced software developer who has spent most of his career working in Java and recently got very interested in Kotlin. His areas of interest include code quality assurance, highly scalable, cloud-oriented architectures and all aspects of system’s performance analysis.
Rafał is a software engineer with 10+ years of experience in Java/Spring technologies. He is an enthusiast of modern, lightweight (Microservices), distributed (Cloud), scalable (NoSQL) solutions. At Allegro, he leads a software development team delivering solutions for the financial department.
Rafal is a DBA with over 10 years of professional experience. With a team of 5 he is responsible for overall management, troubleshooting and performance tuning of Allegro’s critical 24/7 database systems. He specialises in Oracle and MongoDB databases.
Rafał is an experienced software engineer with over 10 years in the field. In his work at Allegro he enjoys solving challenging problems, especially these related to algorithms and software design.
Robert is a data platform engineer. He enjoys solving problems and learning new trends in Big Data. Believes in data driven products. He likes to play hockey and to roller skate.
Ryszard is a test automation engineer with ~5 years of experience especially in WebDriver-based technologies. He is interested in test automation, performance testing and frontend technologies. At Allegro, he works since July 2014 in a team which delivers solutions for the finance sector.
Sławek is a software engineer with 10 years experience. He is intrested in creating well designed and highly scalable web applications. At Allegro, he works in a team which develop solutions for the financial department.
Szymon is a clarinet player by education and a systems engineer by profession. At Allegro Group since 2013.
Szymon is an iOS developer with several years of experience on this platform and web development background. Enthusiast of user friendly mobile applications and modern web solutions. At Allegro Szymon is a part of the team which is responsible for development of the iOS application for buyers.
Software engineer in the monitoring team. Loves python, clean code, devops culture and challenging problems.
Tomasz is a software engineer who enjoys getting additional value from data in products he builds.
Tomek graduated with a master’s degree in physics. He is a professional programmer by trade, and is a carpenter in his heart. He likes pretty girls, cold tequila and old school black metal.
Tomasz is a software engineer passionate about distributed systems. He believes in free and open source philosophy and occasionally contributes to projects on GitHub.
Java Champion. Author, trainer, conference speaker, technical reviewer, runner. Wrote a book on RxJava for O’Reilly. Claims that code not tested automatically is not a feature but just a rumour.
Software engineer who likes breaking and fixing things. Open source contributor.
QA/tester with several years of experience with various technologies (mobile, WWW, radio) and environments (Android, iOS, Windows, Symbian)
Backend software engineer, also recently not disgusted with frontend and mobile technologies. Enthusiast of inventing simple solutions.
JVM developer with 8 years of professional experience. He’s interested in topics related to search engines, cloud computing and parallel computing. At Allegro, he works as solutions architect, mostly in areas related to searching.