May 12, 2026
Junior Test Automation Engineer
Junior • Hybrid
Poznan, Poland
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 you:
Have basic practical experience with modern automation frameworks (e.g., Playwright, Cypress, or Appium).
See manual testing as the best way to truly understand a product before you start writing code to automate it.
Understand how web or mobile interfaces are built (comfortable with DOM, CSS selectors, or mobile view hierarchies).
Want to be proud of the code you write, are open to feedback, and willing to share your knowledge.
Possess a keen eye for detail and a "full-product" perspective rather than just a single-feature focus.
Are eager to continuously develop your skills and update your knowledge in a specialized 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!
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You'll be joining a group with varied experience levels, offering a great environment to both learn and make a significant impact. Our team culture is defined by a forward-thinking mindset; we deeply integrate AI-driven tools into our daily workflows and development processes to optimize productivity and innovation. By combining agile methodologies with the latest technological advancements, we maintain a sharp focus on building a scalable, future-proof platform for the entire Allegro ecosystem. The main area which the team is focused on is The One Account initiative - a strategic transformation of Allegro’s ecosystem, migrating from a fragmented, account-centric legacy architecture to a unified, company-level platform We are looking for people who: Code in Java and / or Kotlin Expect work that has a deeper meaning (not only tasks "management has commissioned") and want to enjoy its results Want to be proud of the code they create. They eagerly accept comments and share knowledge during code reviews Can look for effective solutions that solve business and technical challenges Want to constantly develop and update their knowledge Are not afraid to occasionally develop frontend part of solution Can travel between Warsaw and Poznań once a quarter for team workshops Know English 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!
Technology
Allegro
Software Engineer 2 (Java / Kotlin) - Partner Workspace
Mid
Hybrid
Warsaw, Poland
14,600 - 20,825 PLN/mo
🏢 Summary: Full-stack developer role in a Scrum team building and migrating Allegro’s platform to a unified One Account architecture. The position involves developing backend services and frontend components at large scale using modern infrastructure and AI-driven tools. You will work on high-traffic microservices and data-intensive systems within a mature DevOps environment. 🗂️ Requirements: Proficiency in Java and/or Kotlin, Experience in backend service development, Ability to work with frontend technologies, Experience in Scrum/Agile environment, Knowledge of microservices architecture, Familiarity with containerization and orchestration, Experience with version control and CI/CD tools, English level B2+ 📃 Skills: Java, Kotlin, JavaScript, Kubernetes, Docker, Consul, GitHub, GitHubActions, Scrum, Microservices, AI 🏢 Description: 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 PLN 14 600 - 20 825 Annual bonus based on your annual performance and company results. Our team is based in Warsaw. About the job Allegro’s development teams boast more than 1700 IT experts solving problems at a unique scale and complexity. However, if you join us, you’ll be joining a specific team that operates like a small, agile startup within our large organization. Based mostly in Warsaw, our team consists of six skilled developers and a dedicated Product Manager. We work in a mature Scrum environment, leveraging Allegro’s world-class infrastructure and cutting-edge development standards to ensure high-velocity, high-quality delivery. We are a full-stack team handling everything from our UI frontend and backend services to large-scale data processing. You'll be joining a group with varied experience levels, offering a great environment to both learn and make a significant impact. Our team culture is defined by a forward-thinking mindset; we deeply integrate AI-driven tools into our daily workflows and development processes to optimize productivity and innovation. By combining agile methodologies with the latest technological advancements, we maintain a sharp focus on building a scalable, future-proof platform for the entire Allegro ecosystem. The main area which the team is focused on is The One Account initiative - a strategic transformation of Allegro’s ecosystem, migrating from a fragmented, account-centric legacy architecture to a unified, company-level platform We are looking for people who: Code in Java and / or Kotlin Expect work that has a deeper meaning (not only tasks "management has commissioned") and want to enjoy its results Want to be proud of the code they create. They eagerly accept comments and share knowledge during code reviews Can look for effective solutions that solve business and technical challenges Want to constantly develop and update their knowledge Are not afraid to occasionally develop frontend part of solution Can travel between Warsaw and Poznań once a quarter for team workshops Know English 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!
Technology
Allegro
Software Engineer 2 (Java / Kotlin) - Partner Workspace
Mid
Hybrid
Warsaw, Poland
14,600 - 20,825 PLN/mo
🏢 Summary: Full-stack developer role in a Scrum team working on the strategic One Account initiative, transforming a legacy architecture into a unified, scalable platform. The position involves developing backend services and frontend components using Java and/or Kotlin within a large-scale microservices ecosystem. The offer includes a hybrid work model (4/1), flexible hours, competitive salary, annual bonus, and extensive development opportunities. 🗂️ Requirements: Proficiency in Java and/or Kotlin, Willingness to work in a full-stack role including frontend tasks, Experience working in Agile/Scrum environment, Ability to design effective technical solutions for business problems, Openness to code reviews and knowledge sharing, Continuous learning and self-development mindset, English level B2+, Availability to travel between Warsaw and Poznań once a quarter 📃 Skills: Java, Kotlin, Scrum, Kubernetes, Docker, Consul, GitHub, GitHubActions, Microservices, ServiceMesh, Hermes, AI 🏢 Description: 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 PLN 14 600 - 20 825 Annual bonus based on your annual performance and company results. Our team is based in Warsaw. About the job Allegro’s development teams boast more than 1700 IT experts solving problems at a unique scale and complexity. However, if you join us, you’ll be joining a specific team that operates like a small, agile startup within our large organization. Based mostly in Warsaw, our team consists of six skilled developers and a dedicated Product Manager. We work in a mature Scrum environment, leveraging Allegro’s world-class infrastructure and cutting-edge development standards to ensure high-velocity, high-quality delivery. We are a full-stack team handling everything from our UI frontend and backend services to large-scale data processing. You'll be joining a group with varied experience levels, offering a great environment to both learn and make a significant impact. Our team culture is defined by a forward-thinking mindset; we deeply integrate AI-driven tools into our daily workflows and development processes to optimize productivity and innovation. By combining agile methodologies with the latest technological advancements, we maintain a sharp focus on building a scalable, future-proof platform for the entire Allegro ecosystem. The main area which the team is focused on is The One Account initiative - a strategic transformation of Allegro’s ecosystem, migrating from a fragmented, account-centric legacy architecture to a unified, company-level platform We are looking for people who: Code in Java and / or Kotlin Expect work that has a deeper meaning (not only tasks "management has commissioned") and want to enjoy its results Want to be proud of the code they create. They eagerly accept comments and share knowledge during code reviews Can look for effective solutions that solve business and technical challenges Want to constantly develop and update their knowledge Are not afraid to occasionally develop frontend part of solution Can travel between Warsaw and Poznań once a quarter for team workshops Know English 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!
Technology
Allegro
Software Engineer 2 (Java / Kotlin) - Delivery Experience
Mid
Hybrid
Warsaw, Poland
14,600 - 20,825 PLN/mo
🏢 Summary: The offer is for a Software Engineer 2 focused on backend development in Kotlin, working on large-scale logistics and delivery selection systems handling tens of thousands of requests per second. The role centers on designing scalable architectures, improving high-volume data processing, and ensuring reliability of mission-critical services. You will own complex systems impacting operational efficiency and platform resilience. 🗂️ Requirements: Strong background in backend development with Kotlin, Experience in software architecture and scalable system design, Experience with high-volume data processing systems, Ability to monitor system health and operational metrics, Willingness to participate in off-hours duty, English proficiency at B2+ level 📃 Skills: Kotlin, Kubernetes, Docker, Consul, GitHub, GitHubActions, AI, Microservices 🏢 Description: About the Job Allegro is home to 2,500+ tech experts, but our teams? They’re the ones ensuring the physical reality of e-commerce runs flawlessly. We are looking for engineers who want to solve large-scale challenges in areas critical to the Allegro shopping journey and logistics platform - from delivery selection to the systems powering order fulfillment at massive scale. Logistics Platform & Location Intelligence This team is the driving force behind the Logistics platform, focused on the massive-scale ecosystem behind order fulfillment. Their strategic imperative is vital: ensuring business continuity and total platform independence by building systems robust and scalable enough to instantly absorb total traffic volume. They are currently tackling scale challenges by evolving how system capacity and traffic routing are managed, while expanding a network of external logistics partners. As they refactor the architecture to process hundreds of millions of records, accurately predict system load, and optimize volume distribution, they are also defining and executing a unified, cross-organizational location intelligence strategy — moving beyond ad-hoc solutions to standardize geo-data and optimize how addressing is handled at scale. Delivery Selection This team works on one of the most critical parts of the Allegro shopping journey: delivery selection. They build solutions that handle around 40k requests per second, deploy to production multiple times a day, and treat every change as an independent increment. Because without delivery selection no order can happen, they care deeply about code quality, automated testing, and reliability. At the same time, they invest in knowledge sharing, continuous development, and use AI in their daily work to support nearly every stage of building new features. If you hate fragile systems, have a deeply analytical mindset, and want to build infrastructure that thrives under pressure, you’ll be in the right place. The Role We are looking for a Software Engineer 2 with a strong background in back-end programming ( Kotlin ) and software architecture who is ready to lead structural improvements in high-volume data processing software and location intelligence. You will be taking ownership of complex systems where your decisions directly impact our operational efficiency. Your day-to-day will involve everything from designing scalable system architecture and tackling complex technical challenges, to writing high-quality code and ensuring the stability of core software products. Because our systems are mission-critical, you will also monitor core system health and operational metrics, ensuring high performance, data accuracy, cost-efficiency and you will participate in off-hours duty for team products. 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. We are looking for people who: Possess a strong background in back-end coding (Kotlin) and software architecture to design reliable, high-performance systems for massive-scale data. Desire work with measurable results, focusing on building resilient logistics ecosystems and ensuring flawless operational smoothness across markets. Take pride in their code, actively manage technical debt, create clear documentation, and mentor less experienced team members. Find effective solutions for complex challenges, weighing trade-offs between custom and 3rd-party software and integrating solutions smoothly. Navigate tasks from well-defined to ambiguous, bridging technical expertise and logistics domain knowledge for optimal architectural decisions. Continuously develop their knowledge, staying up-to-date with advancements in back-end architecture, high-volume data processing, and logistics operations. Know English at a B2+ level and can clearly translate complex technical concepts to technical and non-technical stakeholders. 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 2000 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!
Technology
Allegro
Software Engineer 2 (Java / Kotlin)
Mid
Hybrid
Warsaw, Poland
14,600 - 20,825 PLN/mo
🏢 Summary: Software Engineer role focused on building and scaling a Server-Driven UI platform using Kotlin and Spring, with expansion into a full-stack stack based on TypeScript and React. The position involves developing backend microservices and modern web solutions, leveraging AI-driven automation to enhance developer experience at scale. It combines infrastructure work with product-oriented thinking in a large-scale microservices environment. 🗂️ Requirements: Strong experience in Kotlin, Experience with Spring framework, Experience in backend architecture and microservices, Willingness to work as a full-stack developer, Ability to write code in TypeScript and JavaScript, Experience with React, Experience designing APIs, Ability to handle complex JSON structures, English proficiency at B2+ level 📃 Skills: Kotlin, Spring, TypeScript, JavaScript, React, Microservices, API, JSON, Kubernetes, Docker, Consul, GitHub, GitHubActions 🏢 Description: 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. About the Job Allegro is home to 1,700+ tech experts, but our team? We’re the ones building the backbone. We are part of the Core Platform, focusing on Server-Driven UI platform that allows our product teams to ship native experiences straight from the backend. We’re currently scaling Opbox Studio, our next-gen React-based stack. But we’re not just building another internal tool. We are pivoting to an Agentic AI-first approach. This means we’re leveraging specialized AI agents to automate UI generation and layout logic, effectively redefining how Developer Experience looks at scale. If you hate repetitive tasks, have a product-oriented mindset, and want to build infra that "thinks" for other developers – you’re in the right place. The Role We are looking for a Software Engineer with a strong background in Kotlin and backend solutions (Spring) who is also eager to grow and expand their skills into a full-stack role encompassing TypeScript/JS, React . We are a cross-competent, full-stack oriented team with diverse competencies, bridging the gap between backend microservices and modern web technologies. We are passionate about our internal users and work closely with various product teams. We are looking for people who: Are Polyglots at Heart: Have a strong background coding in Kotlin (and backend architectures) and are highly willing to work as a full-stack developer by actively learning and writing code in TypeScript, JavaScript, and React. Seek Impact : Expect work that has a deeper meaning and want to enjoy its results - specifically by building tools that directly accelerate the work of hundreds of other engineers. Value Craftsmanship: Want to be proud of the code they create. They eagerly accept comments and share knowledge during code reviews. Are Problem Solvers: Can look for effective solutions that solve complex business and technical challenges (such as designing dynamic API contracts or handling complex JSON-based component tree structures). Are Life-long Learners: Want to constantly develop their knowledge, not only regarding backend software but also in the world of modern cross-platform rendering, Server-Driven UI, and applied Agentic AI. Communicate Effectively: Know English at a 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!
Technology
Allegro
Software Engineer 2 (Java / Kotlin) - Technical Platform
Mid
Hybrid
Warsaw, Poland
14,600 - 20,825 PLN/mo
🏢 Summary: Software Engineer role focused on building and scaling a Server-Driven UI platform using Kotlin and Spring, with expansion into a full-stack stack based on TypeScript and React. The position involves developing backend microservices and modern web solutions, leveraging Agentic AI to automate UI generation and improve developer experience at scale. This role combines backend expertise with frontend development to create infrastructure used by internal engineering teams. 🗂️ Requirements: Strong experience in Kotlin, Experience with Spring framework, Experience in backend architectures and microservices, Willingness to work full-stack with TypeScript and React, Ability to design APIs and handle complex JSON structures, Experience with containerization and orchestration tools, Proficiency in English (B2+) 📃 Skills: Kotlin, Spring, TypeScript, JavaScript, React, Microservices, REST, JSON, Kubernetes, Docker, Consul, GitHub, GitHubActions, AI 🏢 Description: 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. About the Job Allegro is home to 1,700+ tech experts, but our team? We’re the ones building the backbone. We are part of the Core Platform, focusing on Server-Driven UI platform that allows our product teams to ship native experiences straight from the backend. We’re currently scaling Opbox Studio, our next-gen React-based stack. But we’re not just building another internal tool. We are pivoting to an Agentic AI-first approach. This means we’re leveraging specialized AI agents to automate UI generation and layout logic, effectively redefining how Developer Experience looks at scale. If you hate repetitive tasks, have a product-oriented mindset, and want to build infra that "thinks" for other developers – you’re in the right place. The Role We are looking for a Software Engineer with a strong background in Kotlin and backend solutions (Spring) who is also eager to grow and expand their skills into a full-stack role encompassing TypeScript/JS, React . We are a cross-competent, full-stack oriented team with diverse competencies, bridging the gap between backend microservices and modern web technologies. We are passionate about our internal users and work closely with various product teams. We are looking for people who: Are Polyglots at Heart: Have a strong background coding in Kotlin (and backend architectures) and are highly willing to work as a full-stack developer by actively learning and writing code in TypeScript, JavaScript, and React. Seek Impact : Expect work that has a deeper meaning and want to enjoy its results - specifically by building tools that directly accelerate the work of hundreds of other engineers. Value Craftsmanship: Want to be proud of the code they create. They eagerly accept comments and share knowledge during code reviews. Are Problem Solvers: Can look for effective solutions that solve complex business and technical challenges (such as designing dynamic API contracts or handling complex JSON-based component tree structures). Are Life-long Learners: Want to constantly develop their knowledge, not only regarding backend software but also in the world of modern cross-platform rendering, Server-Driven UI, and applied Agentic AI. Communicate Effectively: Know English at a 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!