Flutter Developer with .net

Our Client is a fast-growing technology group headquartered in London, focused on building industry-specific payment solutions for small and medium-sized businesses.

Client develops tailored software solutions across multiple sectors, including retail, services, healthcare, sports, public sector, and non-profit. The company operates across several locations in the UK and has a technology hub in Kraków, offering an international, product-driven working environment.

Your role

We are looking for a Software Engineer to join a dynamic development team and contribute to building high-quality, scalable applications with real business impact. The role focuses primarily on frontend development using Angular and Flutter, while also supporting backend services built with C#/.NET and SQL.

You will work closely with cross-functional teams to deliver secure, performant, and user-friendly solutions, with opportunities to grow across multiple technologies.

Your 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 security, performance, and scalability

• Perform unit testing, debugging, and participate in code reviews

• Work in Agile sprints (planning, development, testing, deployment)

• Collaborate closely with Product teams to translate business requirements into technical solutions

• Stay up to date with emerging technologies and propose improvements

Our requirements

• 2+ years of commercial software development experience

• Strong knowledge of Angular, Flutter, HTML, CSS, TypeScript, and JavaScript

• Experience with C#/.NET and SQL Server (NoSQL is a plus)

• Familiarity with Git and Agile methodologies

• Strong problem-solving skills and attention to detail

• Very good communication in English and teamwork skills

• Proactive attitude and willingness to learn

Nice to have

• Interest in cross-platform development

What we offer

• Long-term project

• Chill zone with a football table

• Integration events

• Collaborative, product-focused team

• Opportunity to grow within a fast-evolving tech company

• Participation in meaningful products used daily by real customers

📌 Please note: we will contact selected candidates only.

TQLO Sp. z o.o.Registered employment agency (KRAZ): 33580