Senior.NET Developer

18.000 – 25.000 zł netto B2B

Gdańsk / zdalnie

About the Position

We are looking for a Senior.NET Developer to join our team in Gdańsk or remotely. With over 24 years of experience in creating web and mobile applications, our team of over 230 experts has built dozens of smaller projects, several medium-sized, and a few massive projects – from startup ideas to business-supporting apps and complex, full-featured multi-platform banking systems.

Responsibilities

• Design and develop scalable backend services
• Write clean, maintainable code
• Collaborate with frontend team

Requirements

• At least 5 years of commercial experience in creating back-end solutions
• Very good knowledge of C#
• Practical knowledge of .NET Framework, .NET Core, and ASP.NET WebAPI
• Practical knowledge of event-driven architecture, including working with tools like Apache Kafka and asynchronous communication between systems
• Ability to design and implement REST API
• Very good knowledge of SQL and working with MS SQL
• Proficiency in applying architectural patterns that enable the construction of efficient and scalable solutions
• Ability to write automated and unit tests
• Experience with tools such as Jira, Git, Confluence
• English language proficiency at a level that allows reading documentation, conducting correspondence, and technical conversations

Nice to Have

• Experience in projects for the fintech or banking industry and understanding the specifics of systems and processes characteristic of this sector
• Knowledge of MassTransit, NServiceBus
• Experience with Elasticsearch
• Basic knowledge of Kubernetes (k8s)

We Offer

• Remote work and flexible working hours - relocation budget - medical package and sports card
• Development - English and German language classes - e-book library and subscriptions - technology group meetings - funding for passions and initiatives
• Entertainment - project parties and team-building trips - sports challenges - office treats – snacks and drinks

About the Company

At Speednet, the positive energy of people flows through our DNA, building everything else – the atmosphere, approach to work, a place for creativity, freedom, and no boredom. ✌️

Jakub Ciupiński

Head of Solutions

Ideal Candidate

You are our ideal candidate if…

• You support transparent communication, actively participate in meetings, respect others, and build positive relationships. You accept differences and diversity, both ideological and cultural.
• You are punctual and reliable, as well as meticulous in your work. You can manage time, take responsibility for your actions, and admit mistakes, which is evidence of your maturity and professionalism.
• You propose improvements, actively share knowledge, and support a proactive approach to problem-solving. You are aware that sharing experiences and knowledge strengthens the entire team's competencies and builds a culture of continuous learning.
• You quickly adapt to new conditions, update your knowledge, share it, and can adapt to various working styles in the team. You have the ability to work with diverse personalities and communication styles.
• You represent the company with professionalism, identify with its values, engage in company life, and are honest in your actions.

Recruitment Process

From application to decision in a few days

We respect and value time, both ours and that of the candidates. Therefore, we do not complicate our recruitment processes and try to minimize formalities – it's a conversation, not an interrogation.

• Apply: Send your CV to [email protected] or apply through the form on the job posting page. If you have additional questions, feel free to write directly to Maciek.
• Let's Talk: If we feel you fit into #TeamSpeednet, we will call you, tell you more about the company, and ask a few questions.
• Meet Us: We are curious about your knowledge, so the recruitment interview will be highly technical – a tech or team lead will talk to you about your previous projects and tell you more about our approach to technology.
• Feedback: It’s a match! We will get back to you with a decision, whether we are on a yes or no. We do not practice ghosting and are known for quick decisions – no need to beat around the bush, if we "click," we will let you know as soon as possible.
• Welcome to #TeamSpeednet! We invite you on board! You can expect a relaxed introductory day, pizza, and a company onboarding kit. You will also find time for coffee or soccer… and then it's time for production tests! Buckle up and let's go!

Have Questions?

Contact Maciek or Zosia, who lead our recruitment process, and they will surely dispel any doubts you may have.

• IT RECRUITER Maciek Kowalski [email protected] /kowalskimaciek
• IT RECRUITER Zofia Chmielińska [email protected] /zofia.chmielinska