Oferty dla Application Developer praca Olsztyn Powiat

18.02.2026 | Pełny etat, Freelancer | Olsztyn (Warmińsko-Mazurskie) | TeaCode S.C.developers to implement new features and improve existing functionalities Deliver high-quality code within project timelines and communicate clearly with project stakeholders and external clients Identify and fix bugs, optimize application performance, and ensure high reliability and scalability Requirements

18.02.2026 | Pełny etat | Olsztyn (Warmińsko-Mazurskie) | Link GroupKey Requirements 5 years of experience in frontend development, preferably in complex or enterprise-scale environments Strong commercial experience with React (state management, hooks, component lifecycle, application architecture) Expert knowledge of modern JavaScript (ES2024), including asynchronous

18.02.2026 | Freelancer, Pełny etat | Olsztyn (Warmińsko-Mazurskie) | Netguruapplications. Benefits In return, we offer 100-percent remote work; huge flexibility and variety of project to choose from - work the way you like; work with an experienced team of developers and continuous development of your hard and soft skills; a mentor who will assist you during your first days; dev

17.02.2026 | Pełny etat | Olsztyn (Warmińsko-Mazurskie) | RR Donnelley GTS Poland Sp. z o. o.IT Quality Assurance Engineer (M/K/X) Miejsce pracy Olsztyn Technologies we use Operating system Windows Your responsibilities Work with Business Analysts, Software Developers and End Users to ensure that system functionality is understood and works according to specifications, Develop Test