Senior Application architect

Posted:
2/12/2026, 3:46:49 PM

Location(s):
Masovian Voivodeship, Poland ⋅ British Columbia, Canada ⋅ Warsaw, Masovian Voivodeship, Poland

Experience Level(s):
Senior

Field(s):
Software Engineering

Job Description

Looking for new opportunities in your career? Wherever you’re heading, let’s go there together

Circle K Business Center is a professional software development hub, responsible for delivering software solutions used by external private and business Circle K customers across the globe.

Our software is used on a real scale, Circle K is the global company with over 16.000 stores in 26 countries, serving more than 6 million customers a day and having about 130.000 people working at our stores and support offices.

We are proud of our people, who are highly skilled professionals working in various roles, all together presenting great capabilities to develop advanced software solutions using modern technology stack.

At Circle K, we do believe our software makes the difference, it is useful and often very innovative, making our life easier, your life easier too. Electric vehicles related software, mobile apps allowing to fuel or wash a car without entering the shop, fueling with fully automated payments, shopping in Circle K stores where there are no cash registers and you will be charged automatically for what you take just after you leave the shop… Yes, we build such solutions.

Domain

You will be focused on IT European loyalty solutions architecture, aiming to improve it, extend and ultimately - migrate to the global loyalty architecture concept.

Qualifications and experience

  • Master’s degree in computer science, IT, engineering, system analysis or a related study

  • Minimum of 5 years experience in at least two IT solutions development disciplines

  • Experience as a JAVA software developer is a big advantage, although is not required (you may still code if you like)

  • Ability to speak English at C1 level

  • Excellent written and verbal communication skills

  • Experience in multiple, diverse technologies, platforms and processing environments

  • Good understanding of product management, agile principles and development methodologies

  • Experience in working in retail is helpful, but not required

Responsibilities

  • Understanding business drivers and capabilities, current state and future needs within loyalty domain

  • Translating business needs into feasible architectural blueprints, considering broad scope of Circle K products, projects, services, systems and non-functional needs

  • Leading design of solutions in close cooperation with other architects and developers

  • Documenting solutions architecture designs

  • Coding, if you want to

Skills & Competencies

Although you will not be required to code directly (unless you want to), you will be expected to understand what our developers are telling you, therefore we expect you to have practical knowledge about most of below:

  • JAVA, Spring, Hibernate, JUnit, NodeJS, JavaScript, TypeScript, Angular

  • SQL and no-SQL databases (PostgreSQL, SQL Server, Cosmos DB, MongoDB, Dynamo, Redis)

  • Jenkins, Sonar, GitHub, k8s, Docker

  • AWS and Azure

  • TDD, SOLID

We believe a successful architect is a person with below characteristics and competencies:

  • Excellent analytical, planning, organizational and technical skills

  • Organizationally effective with the ability to navigate organizational politics

  • Skilled at influencing, guiding and facilitating stakeholders and peers with decision making

  • Ability to propose and estimate the financial impact of solution architecture alternatives

  • Ability to quickly comprehend the functions and capabilities of new technologies

  • Technology neutral: remains unbiased toward any specific technology or vendor choice and is more interested in results than personal preferences

  • Motivated and driven by achieving long-term business outcomes

  • Ability to work effectively in a team environment and lead cross-functional teams

What do we offer: 

  • Contract of employment

  • Annual bonus 

  • Private medical care 

  • Cafeteria Platform/Multisport

  • English lessons subsidized by the company 

  • Group insurance 

  • Attractive discounts for products and services at our stations 

  • Employee stock purchase plan 

  • Employee Assistance Program (Lyra)

  • Modern and convenient office that you can virtually visit here - https://goo.gl/maps/CLteHfYcdYMbdESq6 

  • Trainings & possibility to develop skills in a wide international environment 

Join Circle K and be part of a global leader in the fuel chain industry, offering a stable and secure career path. Work alongside a remarkable team that values innovation and collaboration, engaging in projects that deliver significant impact on a global scale. 

When working with us you can depend upon it that you will not be judged on the grounds of race, national origin, gender, sexual orientation, disability, age, or other legally protected status. Oppositely – we believe that our diverse and inclusive culture helps us create an amazing atmosphere where everybody feels welcome. 

Check who we are here: https://youtu.be/td-QGnNnvW0 

Want to know even more about us? Take a look at our career page: https://workwithus.circlek.com/global/en/businesscentrewarsaw  

Interested? 

We encourage you to apply. 

We know great companies are built from within, by great people like you. Come grow with us!We´re looking forward to your application. 

We hereby inform that in the company Circle K Business Centre Poland sp. z o.o. with registered office in Warsaw an Internal Notification and Follow-up Actions Procedures applies.

The document describes rules for reporting violations of law by whistleblowers. Full content of the above-mentioned Procedure is available here:  https://www.circlek.pl/o-nas/procedury-zgloszen