Senior Frontend Developer

For a client, we are looking for a Senior Frontend Developer

Salary: 150-170 net+VAT B2B

Hybrid model: 1 day per week from the office in Warsaw or Kraków

RESPONSIBILITIES

About our TeamAs a team member, you will have the possibility to participate in the whole development process in Network Cloud Team projects. The primary objective of our applications is to set up, configure, monitor, and optimize servers and networks for clients globally. Working in our team allows you to learn various network automation techniques, be part of and create a mobile network future, develop cloud-based applications and have a real impact on how it will look like.

Role and Responsibilities

• Develop new features, as well as maintain existing ones.
• Implementation and maintenance of custom UI components library.
• Participate in code review, as well as UX design review.
• Cooperation with colleagues from other Centers around the world.

REQUIREMENTS

• 5+ years of experience building complex web applications using JavaScript, TypeScript, HTML5, CSS3.
• Experience with React, Redux and Redux Toolkit;
• Familiarity writing well-tested, maintainable code (knowledge of Cypress.io and React Testing Library is a plus).
• Familiarity with REST API integration
• Proficient English communication skills.

NICE TO HAVE

• Experience with Webpack;
• Experience with Lerna or other mono-repo solutions;
• Experience with Storybook and component libraries development;
• Experience with data visualization (knowledge of Cytoscape.js, react-chartjs-2, maplibre or similar libraries is a plus);

WHAT DO WE OFFER ON THIS PROJECT?

• Cooperation based on a B2B contract and rate: 150-170 PLN/hour
• Hybrid work from Warsaw or Cracow (1 times a week 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.

Iga Olszewska-MagnowskaSenior IT Delivery Consultantiga.olszewska@speedapp.pl