Senior Mobile Software Engineer (iOS)

Main Responsibilities:

As a Senior Mobile Software Engineer, you will be a key contributor to shaping a new shopping experience for our customers and improvements for our mobile applications. You will work closely with product managers, 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 18 550 - 25 900

• Annual bonus based on your annual performance and company results.

• Our team is based in Poznań and Kraków

What You'll Do:

• Design, develop, test, and deploy features for the Allegro Android, 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:

• Understanding of mobile application architecture patterns (e.g., MVVM, MVI, Clean Architecture).

• Familiar with RESTful APIs, asynchronous programming, and efficient data handling.

• Proficiency in writing unit and integration tests.

• Familiarity with version control systems (e.g., Git).

• Understanding of software engineering principles, data structures, and algorithms.

• Experience with continuous integration and continuous delivery (CI/CD) pipelines.

• Good communication skills in English and Polish, both written and spoken.

• A proactive approach to problem-solving and a passion for creating excellent user experiences.

Bonus points if you have:

• 2+ years of professional experience in native Android (Kotlin) mobile application development.

• Experience with large-scale, high-traffic mobile applications.

• Knowledge of reactive programming (e.g., RxJava/RxKotlin, Combine)

• Familiarity with Jetpack Compose and Coroutines.

• 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!