Software Engineer (Full Stack)

Seargin; Gdynia; On-site; PLN 180,000 - 260,000; Full time

Benefits offered by this job

B2B Contract

MultiSport

Private Medical Care

Stable and Dynamic International Firm

Engaging Projects and Latest IT

Competitive Rates

Renowned International Projects

Job summary

Seargin is seeking an experienced software engineer in Poland to design, develop and deliver scalable solutions using .NET, C#, React and modern web technologies. You will build APIs with WebAPI, GraphQL and Azure Service Bus, applying microservice principles in an Agile setup.

The role emphasizes full lifecycle responsibility, collaboration with distributed teams, and responsible use of AI-assisted development tools, including Copilot, to improve engineering outcomes.

Qualifications

• 8+ years of professional experience designing, developing and delivering scalable software.
• Strong experience with .NET, C#, MS SQL, React, TypeScript, WebComponents, WebAPI, GraphQL and Azure Service Bus.
• Strong understanding of microservice architecture, APIs and modern system design principles.
• Full Application Lifecycle experience from design to maintenance.
• AI-assisted development with responsible Copilot usage.
• Agile development with fluent English and strong communication.

Responsibilities

• Design, implement, test, deploy and maintain software solutions.
• Collaborate with distributed teams in an Agile environment.
• Leverage AI-assisted development tools responsibly in daily work.

Skills

Full-stack development

Agile & communication

AI-assisted development

English communication

Education

Bachelor's or Master's in CS/SE or related

Tools

.NET

C#

MS SQL

React

TypeScript

WebComponents

WebAPI

GraphQL

Azure Service Bus

Job description

• Design, develop and deliver robust, scalable and maintainable software solutions across the Microsoft technology stack
• .NET & Frontend Development
  • Develop applications using .NET, C#, MS SQL, React, TypeScript, WebComponents and modern web technologies
• API & Integration Development
  • Build and integrate APIs and services using WebAPI, GraphQL and Azure Service Bus
• Apply microservice architecture, API design and modern system design principles to scalable software solutions
• Application Lifecycle
  • Contribute across the full application lifecycle, including design, implementation, testing, deployment, maintenance and improvement
• AI-Assisted Development
  • Use AI-assisted development tools such as Microsoft Copilot responsibly and effectively in daily engineering activities
• Work within Agile development practices and collaborate effectively with distributed teams and stakeholders

Requirements

• Education
  • Bachelor’s or Master’s degree in Computer Science, Software Engineering or a related field, or equivalent practical experience
• Professional Experience
  • 8+ years of professional experience designing, developing and delivering scalable software solutions
• Strong experience with .NET, C#, MS SQL, React, TypeScript, WebComponents, WebAPI, GraphQL and Azure Service Bus
• Strong understanding of microservice architecture, APIs and modern system design principles
• Full Application Lifecycle
  • Experience across design, implementation, testing, deployment, maintenance and continuous software improvement
• AI-Assisted Development
  • Practical experience with AI-assisted development tools such as Microsoft Copilot and their responsible application in engineering work
• Agile & Communication
  • Experience with Agile development practices and fluent English with strong communication skills

What we offer

• B2B Contract
  • Employment based on a B2B contract
• Stable and Dynamic International Firm
  • Opportunity to work in a stable, dynamically developing international company
• Engaging Projects and Latest IT
  • Chance to participate in interesting projects and work with the latest information technologies
• Competitive Rates
  • Attractive remuneration rates offeres
• Renowned International Projects
  • Involvement in the most prestigious international project
• MultiSport and Private Medical Care
  • MultiSport and Private Medical Care

Work with us