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Senior Backend Engineer, Sales Flow
Posted on Sept. 11, 2025
- Helsinki, Finland
- 0 - 0 USD (yearly)
- Full Time
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Hakuaika päättyy
27.09.2025
Julkaisupäivä
10.09.2025
Työsuhdetyyppi
Vakituinen
Työaikatyyppi
Kokoaikainen
HELSINKI
We’re building digital services that make everyday in-store shopping smoother for both our staff and our customers. In the next few years, we’ll be putting a big focus on improving self-service experiences, and to make it happen, we are looking for a Senior Backend Engineer to join our Sales Flow team.
The goal of Sales Flow team is to create a scalable suite of event-driven data services for SOK's in-Store Operations, and potentially later for the entire S group. The team is developing a reference architecture for a set of operational data services where reliability and developer experience are key elements. From a business perspective, the first components of Sales Flow will serve to increase self-service transactions in the area of in-Store Operations, as well as our S-ostoslista and Fraud Control teams.
In the future, the services to be developed will be built as platform products that are cost-effective, configurable for users, and easy to deploy. The team's core values include technically sustainable and scalable development, but we also strive to continuously deliver business value by releasing the first versions of services for self-service needs.
The Sales Flow team started its operations in 2025, and the first component to be implemented is the Product Updates service, which provides real-time updates on product, assortment, and price information. On a fast schedule, we will also develop other services that renew the entire system landscape enabling the customer's purchase journey in the store.
Your responsibilities and requirements
We are creating a completely new architecture and have many discussions around those topics. We hope that you can handle the fact that not everything has ready-made answers, but you are ready to search for them together with the team. Finnish language skills are not mandatory for this position; however, you may occasionally collaborate with stakeholders in different operational areas where Finnish is commonly used as the working language.
Technology wise we hope from you:
The Sales Flow team and its sister teams spend a lot of time at Ässäkeskus, at least two days a week, exchanging ideas and developing the area together towards world-class self-service. We assume a willingness to work closely and strong communication skills.
What we offer
On top of a respectful salary, superb company benefits, and the finest colleagues, this is what we offer in return:
Interested? - We’ll be happy to hear from you
Please send us your CV and an application highlighting your task-related skills by 28.9.2025 at the latest. We will actively review applications and invite the most suitable candidates for further discussion. We will notify all applicants about the decision within two weeks after the deadline. You’ll meet our recruiter, hiring manager, and some of your colleagues during our recruitment process. The last step of our process is the suitability assessment.
At S-Group, we are committed to working in a diverse and inclusive work environment where all our employees' unique backgrounds, skills, and perspectives are respected and valued.
At SOK IT, Design & Digital Development,, we are a group of 500 diverse and talented professionals, each bringing a unique perspective and skill set to our shared mission. As part of the S-Group, Finland’s largest private employer with over 40,000 employees, we are entrusted with guiding the future of one of the most impactful organizations in Finland.
#SOK
Want to shape the future of in-store shopping? Join us in creating smarter digital services and better self-service experiences where your ideas and skills can make a real difference!
We’re building digital services that make everyday in-store shopping smoother for both our staff and our customers. In the next few years, we’ll be putting a big focus on improving self-service experiences, and to make it happen, we are looking for a Senior Backend Engineer to join our Sales Flow team.
The goal of Sales Flow team is to create a scalable suite of event-driven data services for SOK's in-Store Operations, and potentially later for the entire S group. The team is developing a reference architecture for a set of operational data services where reliability and developer experience are key elements. From a business perspective, the first components of Sales Flow will serve to increase self-service transactions in the area of in-Store Operations, as well as our S-ostoslista and Fraud Control teams.
In the future, the services to be developed will be built as platform products that are cost-effective, configurable for users, and easy to deploy. The team's core values include technically sustainable and scalable development, but we also strive to continuously deliver business value by releasing the first versions of services for self-service needs.
The Sales Flow team started its operations in 2025, and the first component to be implemented is the Product Updates service, which provides real-time updates on product, assortment, and price information. On a fast schedule, we will also develop other services that renew the entire system landscape enabling the customer's purchase journey in the store.
Your responsibilities and requirements
This role requires a strong understanding of development, processes and ability to take those forward in the wanted direction. We are looking for a professional who dares to bring their own thoughts and suggestions to the team, which already includes experienced experts. You can be involved in designing technical architecture, but your role is also very hands-on.
We are creating a completely new architecture and have many discussions around those topics. We hope that you can handle the fact that not everything has ready-made answers, but you are ready to search for them together with the team. Finnish language skills are not mandatory for this position; however, you may occasionally collaborate with stakeholders in different operational areas where Finnish is commonly used as the working language.
Technology wise we hope from you:
- Event-driven architecture
- Domain-driven design
- AWS
- Kafka
- Node.js and Typescript
During development, we may also experiment with entirely new technologies/tools and change direction if necessary. Therefore, we expect the ability and willingness to adopt new technologies.
The Sales Flow team and its sister teams spend a lot of time at Ässäkeskus, at least two days a week, exchanging ideas and developing the area together towards world-class self-service. We assume a willingness to work closely and strong communication skills.
What we offer
On top of a respectful salary, superb company benefits, and the finest colleagues, this is what we offer in return:
- An opportunity to improve and influence the daily lives of S Group’s employees and millions of people.
- A stable and flexible working environment based on cooperative values and principles, the possibility of choosing your daily work rhythm and location.
- Influence and responsibility. Our engineers have a lot of freedom in their work, but they also live with their solutions, and so do millions of users.
- Ownership. You’re creating services directly for the end-users. You’re not visiting a project; you own the product together with your team.
- Workplace democracy. Our ways of working are not set in stone. Together we’ll continuously improve the ways of developing products and services.
- Concrete and rewarding results, that you can experience yourself by using S-Group’s services, when doing your grocery shopping, fueling, or staying in a hotel.
- An opportunity to gain know-how and technical competence in wide-ranging technology domains (like web, mobile, and cloud) as well as business domains (restaurants, hotels, online retail, and service stations), a lot of diverse growth and job opportunities.
- Occupational healthcare, sports, and culture benefits, lunch benefits in our staff restaurant, and access to the hobby and sports facilities in Ässäkeskus.
Interested? - We’ll be happy to hear from you
Please send us your CV and an application highlighting your task-related skills by 28.9.2025 at the latest. We will actively review applications and invite the most suitable candidates for further discussion. We will notify all applicants about the decision within two weeks after the deadline. You’ll meet our recruiter, hiring manager, and some of your colleagues during our recruitment process. The last step of our process is the suitability assessment.
At S-Group, we are committed to working in a diverse and inclusive work environment where all our employees' unique backgrounds, skills, and perspectives are respected and valued.
At SOK IT, Design & Digital Development,, we are a group of 500 diverse and talented professionals, each bringing a unique perspective and skill set to our shared mission. As part of the S-Group, Finland’s largest private employer with over 40,000 employees, we are entrusted with guiding the future of one of the most impactful organizations in Finland.
Our responsibility is clear – we provide strategic guidance and technological expertise to support all areas of the S-Group. We are uniquely positioned inside S-Group with billions of rows of data from multiple use cases and business domains, all intimately connected to Finns as they/we go about our daily routines. We build SW products, apps, and services highlighted by the regular dialogue between digital and IRL worlds, which genuinely makes our work consistently intriguing. We are design conscious, we believe in community internally and externally, pride ourselves on our open source commitment, our progressive path towards an Agile and DevOps culture, and our use of modern tools and democratic development standards for a holistic philosophy to modern and pure software development practices.
#SOK
SUOMEN OSUUSKAUPPOJEN KESKUSKUNTA, HELSINKI
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