Senior Software Engineer

Your responsibilities, Architect and develop scalable, high-quality cloud services, ensuring they meet the demands of a global client base., Master Domain-Driven Design (DDD) principles to build modular, maintainable, and highly performant software components., Drive AI Integration with use of AI tools (e.g., GitHub Copilot, LLM-based assistants) to automate code generation, refactoring, documentation, and unit testing., Design RESTful Web Services that facilitate seamless communication within our complex cloud infrastructure., Optimize Azure Services to ensure our infrastructure is not only performant and scalable but also cost-effective and secure., Collaborate within cross-functional teams of engineers, product owners, and designers, fostering a culture of mutual support and accountability in an agile environment., Champion code excellence by implementing best practices in code testing, maintaining quality standards, and providing insightful code reviews., Innovate and automate by investigating emerging technologies and AI trends to reduce manual overhead and accelerate team velocity.

Experience: 4+ years of professional experience in software development, with deep proficiency in C# and .NET technologies., Frontend proficiency: solid hands-on experience with React (or similar frameworks) and TypeScript/JavaScript., Architectural expertise: proven experience with (or deep understanding of) DDD and CQRS patterns., Practical experience in designing, deploying, and maintaining services within Microsoft Azure., AI & automation skills: demonstrated interest or experience in using AI-driven tools to automate development workflows and increase personal and team productivity., Data & API design: strong experience with relational databases and the design of robust RESTful APIs., Quality focus: a background in rigorous code testing practices and maintaining high-quality software code., Education: degree in Computer Science, Engineering, or a related field (or equivalent proven experience)., Communication: English proficiency at B2 level or above, with the ability to articulate complex technical concepts to diverse stakeholders., A strong sense of ownership over your work and a commitment to continuous learning and knowledge sharing.

This is how we work, in house, you focus on a single project at a time, you have influence on the choice of tools and technologies, you have influence on the technological solutions applied, you have influence on the product, you focus on product development, agile

work-organization-team-members

Team members, backend developer, frontend developer, fullstack developer

This is how we work on a project, DDD, architect / technical leader support, documentation

Development opportunities we offer, industry-specific e-learning platforms, intracompany training, substantive support from technological leaders, technical knowledge exchange within the company

What we offer, Spacious office near Rondo Grzegórzeckie in a unique building (no open spaces), Equipped kitchen with all things that help (tea, coffee, milk, Nutella, etc.), Support for professional development through a variety of initiatives to foster growth and clear career progression within a dynamic global culture, Additional 1 day off for your birthday (B-Day), Multikafeteria program, private healthcare (LuxMed), life insurance, Integration Parties (Summer Party, Xmas Party, Game Board Party, and other spontaneous events), Team building budget, Hybrid working model

Benefits, sharing the costs of sports activities, private medical care, sharing the costs of professional training & courses, life insurance, flexible working time, fruits, integration events, corporate library, no dress code, coffee / tea, drinks, parking space for employees, leisure zone, employee referral program

additional-module

Medius is committed to fair and equitable compensation practices., Actual compensation will be determined based on several factors, including but not limited to relevant skills, experience, qualifications, certifications, internal equity, and the geographic location in which the role is performed. Compensation may vary for roles performed in different locations due to differences in the cost of labor., The total compensation package for this position may also include eligibility for variable compensation (such as a performance bonus or commission), benefits, and/or participation in other incentive or benefit plans, in accordance with the terms of the applicable plans. Benefits may include medical, dental, and vision coverage, paid time off, and retirement benefits, subject to eligibility requirements.

additional-module

Medius is an equal opportunity employer. We are committed to providing equal employment opportunities to all qualified applicants and employees, without regard to race, color, religion, sex (including pregnancy, sexual orientation, and gender identity or expression), national origin, ancestry, age, disability (physical or mental), genetic information, medical condition, marital status, citizenship or immigration status, military or veteran status, or any other characteristic protected by applicable federal, state, or local laws., , If you require a reasonable accommodation due to a disability or for religious reasons during the application or interview process, please review our accommodations process.

Medius Poland Sp. z o.o, At Medius, we believe managing finance should be about strategy, not stress. That same mindset shapes not only the solutions we build, but also the culture we create for our people. We remove complexity, embrace innovation, and give our teams the freedom to focus on what truly matters — whether that’s transforming the future of finance with AI or finding balance to go home on time., Founded in Sweden in 2001, Medius has grown from a local startup into a global leader in cloud-based spend management solutions. Today, thousands of organizations worldwide trust us to simplify accounts payable and spend management processes. Our journey has been driven by continuous innovation, a passion for technology, and above all — the people who make it happen., , We’re more than a software company. We’re a team of problem-solvers, innovators and collaborators working together to reinvent the category of accounts payable. Our solutions use Artificial Intelligence to eliminate manual work, bring clarity, confidence, and control, and empower finance teams of the future., , At Medius, our values guide how we work and grow together:, , • Connect – We believe in the power of people—individually and collectively—and our success depends on understanding and respecting each other. We appreciate that ‘empowering finance teams of the future’ is an exciting endeavor, and we share it with everyone around us., • Question – We enjoy the challenge of our work and the thrill of collaboration. We are not afraid to question ourselves and each other because we believe diverse perspectives can lead to better outcomes and that there is great power in resolution., • Own – We are thorough, thoughtful, and decisive. We anticipate what’s next, what a customer might need, and then we deliver. That’s how we get things done. And that’s how we remain a leader. Customers trust us to do our job so that they can focus on what they do best., , At Medius, you’ll join a diverse, global community where curiosity is celebrated, ideas matter, and innovation never stops. If you’re passionate about technology, eager to make an impact, and ready to grow alongside a team that lives its values, Medius is where you can do your best work — your impact is global., , Learn more at www.medius.com

About the project

We are looking for a highly skilled Software Engineer to join our Kraków-based team as we scale our next-generation, true cloud service. Supporting over 1,000 global clients, our main platform is built on a modern stack of Azure, .NET Core, React, and TypeScript. In this role you will do more than write code; you will influence the product’s future by designing scalable solutions and championing the integration of AI to revolutionize our development lifecycle. Success in this role means balancing high-velocity feature delivery with long-term architectural health.

Your responsibilities

• Architect and develop scalable, high-quality cloud services, ensuring they meet the demands of a global client base.
• Master Domain-Driven Design (DDD) principles to build modular, maintainable, and highly performant software components.
• Drive AI Integration with use of AI tools (e.g., GitHub Copilot, LLM-based assistants) to automate code generation, refactoring, documentation, and unit testing.
• Design RESTful Web Services that facilitate seamless communication within our complex cloud infrastructure.
• Optimize Azure Services to ensure our infrastructure is not only performant and scalable but also cost-effective and secure.
• Collaborate within cross-functional teams of engineers, product owners, and designers, fostering a culture of mutual support and accountability in an agile environment.
• Champion code excellence by implementing best practices in code testing, maintaining quality standards, and providing insightful code reviews.
• Innovate and automate by investigating emerging technologies and AI trends to reduce manual overhead and accelerate team velocity.

What we offer

• Spacious office near Rondo Grzegórzeckie in a unique building (no open spaces)
• Equipped kitchen with all things that help (tea, coffee, milk, Nutella, etc.)
• Support for professional development through a variety of initiatives to foster growth and clear career progression within a dynamic global culture
• Additional 1 day off for your birthday (B-Day)
• Multikafeteria program, private healthcare (LuxMed), life insurance
• Integration Parties (Summer Party, Xmas Party, Game Board Party, and other spontaneous events)
• Team building budget
• Hybrid working model

Medius is committed to fair and equitable compensation practices.

• Actual compensation will be determined based on several factors, including but not limited to relevant skills, experience, qualifications, certifications, internal equity, and the geographic location in which the role is performed. Compensation may vary for roles performed in different locations due to differences in the cost of labor.
• The total compensation package for this position may also include eligibility for variable compensation (such as a performance bonus or commission), benefits, and/or participation in other incentive or benefit plans, in accordance with the terms of the applicable plans. Benefits may include medical, dental, and vision coverage, paid time off, and retirement benefits, subject to eligibility requirements.

additional-module

Medius is an equal opportunity employer. We are committed to providing equal employment opportunities to all qualified applicants and employees, without regard to race, color, religion, sex (including pregnancy, sexual orientation, and gender identity or expression), national origin, ancestry, age, disability (physical or mental), genetic information, medical condition, marital status, citizenship or immigration status, military or veteran status, or any other characteristic protected by applicable federal, state, or local laws.

If you require a reasonable accommodation due to a disability or for religious reasons during the application or interview process, please review our accommodations process.

This is how we work on a project, DDD, architect / technical leader support, documentation

work-organization-team-members

Team members, backend developer, frontend developer, fullstack developer

additional-module

Medius is committed to fair and equitable compensation practices., Actual compensation will be determined based on several factors, including but not limited to relevant skills, experience, qualifications, certifications, internal equity, and the geographic location in which the role is performed. Compensation may vary for roles performed in different locations due to differences in the cost of labor., The total compensation package for this position may also include eligibility for variable compensation (such as a performance bonus or commission), benefits, and/or participation in other incentive or benefit plans, in accordance with the terms of the applicable plans. Benefits may include medical, dental, and vision coverage, paid time off, and retirement benefits, subject to eligibility requirements.

additional-module

Medius is an equal opportunity employer. We are committed to providing equal employment opportunities to all qualified applicants and employees, without regard to race, color, religion, sex (including pregnancy, sexual orientation, and gender identity or expression), national origin, ancestry, age, disability (physical or mental), genetic information, medical condition, marital status, citizenship or immigration status, military or veteran status, or any other characteristic protected by applicable federal, state, or local laws., , If you require a reasonable accommodation due to a disability or for religious reasons during the application or interview process, please review our accommodations process.

About the project

We are looking for a highly skilled Software Engineer to join our Kraków-based team as we scale our next-generation, true cloud service. Supporting over 1,000 global clients, our main platform is built on a modern stack of Azure, .NET Core, React, and TypeScript. In this role you will do more than write code; you will influence the product’s future by designing scalable solutions and championing the integration of AI to revolutionize our development lifecycle. Success in this role means balancing high-velocity feature delivery with long-term architectural health.

Your responsibilities

• Architect and develop scalable, high-quality cloud services, ensuring they meet the demands of a global client base.
• Master Domain-Driven Design (DDD) principles to build modular, maintainable, and highly performant software components.
• Drive AI Integration with use of AI tools (e.g., GitHub Copilot, LLM-based assistants) to automate code generation, refactoring, documentation, and unit testing.
• Design RESTful Web Services that facilitate seamless communication within our complex cloud infrastructure.
• Optimize Azure Services to ensure our infrastructure is not only performant and scalable but also cost-effective and secure.
• Collaborate within cross-functional teams of engineers, product owners, and designers, fostering a culture of mutual support and accountability in an agile environment.
• Champion code excellence by implementing best practices in code testing, maintaining quality standards, and providing insightful code reviews.
• Innovate and automate by investigating emerging technologies and AI trends to reduce manual overhead and accelerate team velocity.

Medius is committed to fair and equitable compensation practices.

• Actual compensation will be determined based on several factors, including but not limited to relevant skills, experience, qualifications, certifications, internal equity, and the geographic location in which the role is performed. Compensation may vary for roles performed in different locations due to differences in the cost of labor.
• The total compensation package for this position may also include eligibility for variable compensation (such as a performance bonus or commission), benefits, and/or participation in other incentive or benefit plans, in accordance with the terms of the applicable plans. Benefits may include medical, dental, and vision coverage, paid time off, and retirement benefits, subject to eligibility requirements.

additional-module

Medius is an equal opportunity employer. We are committed to providing equal employment opportunities to all qualified applicants and employees, without regard to race, color, religion, sex (including pregnancy, sexual orientation, and gender identity or expression), national origin, ancestry, age, disability (physical or mental), genetic information, medical condition, marital status, citizenship or immigration status, military or veteran status, or any other characteristic protected by applicable federal, state, or local laws.

If you require a reasonable accommodation due to a disability or for religious reasons during the application or interview process, please review our accommodations process.

Benefits, sharing the costs of sports activities, private medical care, sharing the costs of professional training & courses, life insurance, flexible working time, fruits, integration events, corporate library, no dress code, coffee / tea, drinks, parking space for employees, leisure zone, employee referral program

additional-module

Medius is committed to fair and equitable compensation practices., Actual compensation will be determined based on several factors, including but not limited to relevant skills, experience, qualifications, certifications, internal equity, and the geographic location in which the role is performed. Compensation may vary for roles performed in different locations due to differences in the cost of labor., The total compensation package for this position may also include eligibility for variable compensation (such as a performance bonus or commission), benefits, and/or participation in other incentive or benefit plans, in accordance with the terms of the applicable plans. Benefits may include medical, dental, and vision coverage, paid time off, and retirement benefits, subject to eligibility requirements.

additional-module

Medius is an equal opportunity employer. We are committed to providing equal employment opportunities to all qualified applicants and employees, without regard to race, color, religion, sex (including pregnancy, sexual orientation, and gender identity or expression), national origin, ancestry, age, disability (physical or mental), genetic information, medical condition, marital status, citizenship or immigration status, military or veteran status, or any other characteristic protected by applicable federal, state, or local laws., , If you require a reasonable accommodation due to a disability or for religious reasons during the application or interview process, please review our accommodations process.

Medius Poland Sp. z o.o, At Medius, we believe managing finance should be about strategy, not stress. That same mindset shapes not only the solutions we build, but also the culture we create for our people. We remove complexity, embrace innovation, and give our teams the freedom to focus on what truly matters — whether that’s transforming the future of finance with AI or finding balance to go home on time., Founded in Sweden in 2001, Medius has grown from a local startup into a global leader in cloud-based spend management solutions. Today, thousands of organizations worldwide trust us to simplify accounts payable and spend management processes. Our journey has been driven by continuous innovation, a passion for technology, and above all — the people who make it happen., , We’re more than a software company. We’re a team of problem-solvers, innovators and collaborators working together to reinvent the category of accounts payable. Our solutions use Artificial Intelligence to eliminate manual work, bring clarity, confidence, and control, and empower finance teams of the future., , At Medius, our values guide how we work and grow together:, , • Connect – We believe in the power of people—individually and collectively—and our success depends on understanding and respecting each other. We appreciate that ‘empowering finance teams of the future’ is an exciting endeavor, and we share it with everyone around us., • Question – We enjoy the challenge of our work and the thrill of collaboration. We are not afraid to question ourselves and each other because we believe diverse perspectives can lead to better outcomes and that there is great power in resolution., • Own – We are thorough, thoughtful, and decisive. We anticipate what’s next, what a customer might need, and then we deliver. That’s how we get things done. And that’s how we remain a leader. Customers trust us to do our job so that they can focus on what they do best., , At Medius, you’ll join a diverse, global community where curiosity is celebrated, ideas matter, and innovation never stops. If you’re passionate about technology, eager to make an impact, and ready to grow alongside a team that lives its values, Medius is where you can do your best work — your impact is global., , Learn more at www.medius.com

About the project

We are looking for a highly skilled Software Engineer to join our Kraków-based team as we scale our next-generation, true cloud service. Supporting over 1,000 global clients, our main platform is built on a modern stack of Azure, .NET Core, React, and TypeScript. In this role you will do more than write code; you will influence the product’s future by designing scalable solutions and championing the integration of AI to revolutionize our development lifecycle. Success in this role means balancing high-velocity feature delivery with long-term architectural health.

Your responsibilities

• Architect and develop scalable, high-quality cloud services, ensuring they meet the demands of a global client base.
• Master Domain-Driven Design (DDD) principles to build modular, maintainable, and highly performant software components.
• Drive AI Integration with use of AI tools (e.g., GitHub Copilot, LLM-based assistants) to automate code generation, refactoring, documentation, and unit testing.
• Design RESTful Web Services that facilitate seamless communication within our complex cloud infrastructure.
• Optimize Azure Services to ensure our infrastructure is not only performant and scalable but also cost-effective and secure.
• Collaborate within cross-functional teams of engineers, product owners, and designers, fostering a culture of mutual support and accountability in an agile environment.
• Champion code excellence by implementing best practices in code testing, maintaining quality standards, and providing insightful code reviews.
• Innovate and automate by investigating emerging technologies and AI trends to reduce manual overhead and accelerate team velocity.

What we offer

• Spacious office near Rondo Grzegórzeckie in a unique building (no open spaces)
• Equipped kitchen with all things that help (tea, coffee, milk, Nutella, etc.)
• Support for professional development through a variety of initiatives to foster growth and clear career progression within a dynamic global culture
• Additional 1 day off for your birthday (B-Day)
• Multikafeteria program, private healthcare (LuxMed), life insurance
• Integration Parties (Summer Party, Xmas Party, Game Board Party, and other spontaneous events)
• Team building budget
• Hybrid working model

Medius is committed to fair and equitable compensation practices.

• Actual compensation will be determined based on several factors, including but not limited to relevant skills, experience, qualifications, certifications, internal equity, and the geographic location in which the role is performed. Compensation may vary for roles performed in different locations due to differences in the cost of labor.
• The total compensation package for this position may also include eligibility for variable compensation (such as a performance bonus or commission), benefits, and/or participation in other incentive or benefit plans, in accordance with the terms of the applicable plans. Benefits may include medical, dental, and vision coverage, paid time off, and retirement benefits, subject to eligibility requirements.

additional-module

Medius is an equal opportunity employer. We are committed to providing equal employment opportunities to all qualified applicants and employees, without regard to race, color, religion, sex (including pregnancy, sexual orientation, and gender identity or expression), national origin, ancestry, age, disability (physical or mental), genetic information, medical condition, marital status, citizenship or immigration status, military or veteran status, or any other characteristic protected by applicable federal, state, or local laws.

If you require a reasonable accommodation due to a disability or for religious reasons during the application or interview process, please review our accommodations process.