Senior Frontend Developer
Added: 09.06.2026
Your responsibilities:
- Develop and maintain modern web applications using React.js and TypeScript
- Build new features and improve existing functionalities for the platform
- Optimize application performance and troubleshoot technical issues
- Debug and resolve production incidents to ensure platform stability
- Participate in technical discussions, code reviews, and continuous improvement initiatives
- Collaborate closely with cross-functional teams, including Product, Design, QA, and mobile development teams
- Work with our JavaScript/TypeScript-based UI framework designed for TV-box environments
- Ensure delivery of stable, scalable, and high-quality code following best engineering practices
We are looking for you, if you have:
- Strong commercial experience in frontend development
- Expert-level knowledge of React.js
- Expert-level knowledge of TypeScript
- Solid understanding of JavaScript fundamentals
- Experience with E2E testing frameworks such as Cypress, Playwright, or similar
- Experience working with CI/CD pipelines and version control systems
- Proven experience in debugging, troubleshooting, and performance optimization
- Ability to work independently in a distributed environment
- Fluent English (minimum B2+/C1 level)
Nice to have:
- Experience developing applications for Smart TV platforms
- Experience working on streaming, video, media, or entertainment-related products
We offer:
- Participation in interesting and demanding projects.
- Flexible working hours.
- A great, non-corporate atmosphere.
- Possibility to work remote or hybrid (2 days per week from the office).
- Opportunities for development and promotion.
- Attractive package of benefits.
We reserve the right to contact the selected candidates.
Why is it worth joining TTMS?
Flexible working hours
Not everyone feels comfortable working the standard 9 a.m. to 5 p.m. hours. We have been successfully running projects for many years despite diversified work patterns.
Possibility of hybrid work
At TTMS, desk-to-desk work is what drives us, but we understand if someone prefers a hybrid model. We are equipped with all the necessary tools to work in a hybrid model.
Great, non-corporate atmosphere
Professionalism, attention to the quality of work and a friendly, informal atmosphere are not mutually exclusive. A flat structure and natural, friendly relationships create the basis for creativity and innovation.
Interesting, international projects
We create solutions for medium and large companies, we are present in Poland, Malaysia, Denmark, the UK, Switzerland, and India – the effects of your work will travel around the world. In TTMS you have an influence on the company’s success.
Together towards climate neutrality
We select subcontractors to minimize the carbon footprint, organize bush plantings, save peat bogs – all to achieve climate neutrality in 2025. We are glad that we are attracting more and more people who also care about sustainable development and environmental protection.
Friendly offices
Our offices are modern spaces that inspire employees and are environmentally friendly. Białystok is the kingdom of Marvel superheroes, Krakow is a soothing tropical forest, Wrocław is an art gallery, and the Lublin branch is a rock u0022hall of fameu0022.
Would you like to work for us?
Sending CV
Include information about technical skills, knowledge of programming languages and IT tools, and possibly experience in projects.
Phone Screening
The interview is aimed at assessing the candidate’s suitability for the position and verifying basic information from the CV. It is also an opportunity to discuss the candidate’s expectations and briefly present the job description and working conditions.
HR + technical meeting
We talk about the candidate’s professional experience, but also expectations regarding the new job. This is also the moment to check references and confirm the authenticity of the information provided, which allows you to get to know the candidate better and assess his fit with the company’s organizational culture.
Client company meeting
The candidate is introduced to the client. This stage aims to match the future employee to a specific project, taking into account both their technical skills and design preferences, which maximizes the chances of successful cooperation.
Employment
We sign an agreement that includes the terms of cooperation, scope of duties, remuneration and other key aspects of employment, such as the rights and obligations of both parties. From now on, the candidate becomes an official employee of the company.
Onboarding + first day of work
A comprehensive process of familiarizing a new employee with the organization, team and tools, aimed at making it easier for him to join work as quickly and effectively as possible. In TTMS, we use an internal e-Learning platform to conduct modern onboarding.
Our offices
Warsaw
The heart of our company and our command center
The Management Board of the company and management of individual business areas function here. On a daily basis, it is here that the most important, strategic and business decisions are made, as well as pro-ecological iniciatives. The Warsaw branch – located in Varso Tower – aims to be the first to create a fully eco-friendly office using renewable Energy and environmentally friendly materials, which is confirmed by the BREEM certificate.