Software Engineer - Fullstack (Angular, Flutter, C#/.Net)

3 380.39 - 4 507.18 USDNet per hour - B2B
Java

Software Engineer - Fullstack (Angular, Flutter, C#/.Net)

Java
Królewska, Kraków

speedapp

Full-time
B2B
Mid
Hybrid
3 380.39 - 4 507.18 USD
Net per hour - B2B

Job description

Join a client’s company as a Software Engineer, working on frontend development with Angular and Flutter, supporting backend services with C#/.NET and SQL, and collaborating on user-friendly applications.

RESPONSIBILITIES

  • Develop, maintain, and enhance applications using Angular and Flutter
  • Support backend development with C#/.NET and SQL
  • Design and implement RESTful APIs and integrate them with frontend applications
  • Ensure application securityperformance, and scalability
  • Perform unit testing, debugging, and participate in code reviews
  • Collaborate in Agile sprints, contributing to planning, development, testing, and deployment
  • Work closely with the Product team to translate requirements into technical solutions
  • Stay up to date with emerging technologies and suggest process improvements

REQUIREMENTS

  • 3+ years of software development experience
  • Strong knowledge of AngularFlutterHTMLCSSTypeScript, and JavaScript frameworks
  • Experience with C#/.NET and SQL Server (plus NoSQL)
  • Familiarity with Git and Agile methodologies
  • Strong problem-solving skills and attention to detail
  • Excellent communication and teamwork skills
  • A proactive mindset and eagerness to learn new technologies

NICE TO HAVE

  • Experience with Ionic or Cordova
  • Knowledge of Azure or AWS cloud platforms
  • Familiarity with Azure Functions, Azure DevOps, and CI/CD pipelines
  • Experience with authentication frameworks (OAuth, JWT, IdentityServer)
  • Interest in cross-platform development

WHAT DO WE OFFER ON THIS PROJECT?

  • Cooperation based on a B2B contract and rate: 90-100 PLN/hour / Cooperation based on a B2B contract.
  • Hybrid work: (90% remote) from Kraków (1-2 times a month in the office).
  • The support of a dedicated mentor. In the relationship, we focus on direct communication. When you join speedapp, you will be put in touch with a dedicated mentor who will make sure that you enjoy working with us and with the client.
  • Events and integration meetings, as well as participation in various initiatives, e.g., sports.
  • Access to the benefits offering (medical care, life insurance, Multisport card).

WHAT DOES THE RECRUITMENT PROCESS LOOK LIKE?

Application: Apply and submit your CV.

After the application review, the recruiter will contact selected candidates by phone.

Screening: Have a conversation with a speedapp recruiter about your experience.

Next steps: The speedapp recruiter will explain the recruitment process for the specific position.

The speedapp recruiter will stay in touch with you throughout the entire process.

ABOUT SPEEDAPP

At speedapp, we believe that an organization is only as good as the people who make it up. We are a team of IT experts and other professionals working for our clients around the world (including Israel, Austria, USA). We go far beyond the HR category. We build IT teams and also help manage them.

👉 10 years of experience

👉 +100 clients worldwide 

+300 hires per year

💎 We have won the prestigious "Forbes Diamonds" award four times (2022, 2023, 2024, 2025). We are a member of the European Fast Growth Icons network and FinTech Poland. We are ranked 18th among the 100 fastest growing companies 2023 by Clutch.

DO YOU HAVE ANY QUESTIONS?

Contact the recruiter responsible for this process directly.

Ilona Wójcik
Junior IT Delivery Consultant
ilona.wojcik@speedapp.pl
+48 882 842 363

Tech stack

    Flutter

    master

    Angular

    master

    TypeScript

    advanced

    .NET C#

    advanced

    SQL Server

    regular

Office location

Published: 17.02.2026

Software Engineer - Fullstack (Angular, Flutter, C#/.Net)

3 380.39 - 4 507.18 USDNet per hour - B2B
Summary of the offer

Software Engineer - Fullstack (Angular, Flutter, C#/.Net)

Królewska, Kraków
speedapp
3 380.39 - 4 507.18 USDNet per hour - B2B
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