javascript back-end developer

Ready to have positive impact? Ready to join the fight against climate change?Carbon+Alt+Delete is a climate tech start-up at the crossroad of technology and sustainability. Our software supports sustainability consultants in reducing the carbon footprint of companies. We are looking for an experienced back-end developer (Python) to strengthen our...

Are you a go-getter who pushes boundaries and dares to think differently? If this excites you rather than intimidates you, you might be the perfect fit for our team! Who you areYou're a skilled back-end developer with at least three years of professional experience. You thrive in a fast-paced environment, love innovation, and enjoy building robust,...

DescriptionCOSMOTE Global Solutions NV is at the forefront of the ICT industry as a trusted member of the OTE Group of Companies, dedicated to delivering comprehensive ICT Solutions and Services. We are looking for a talented Back-end Developer to enhance our team.As a Back-end Developer, you will play a critical role in designing scalable applications to...

Je bent een toppertje in PHP development. Je zet dit talent graag in voor het ontwikkelen van innovatieve websites, -shops en -applicaties. Jouw motto is eerst denken en dan doen. Kwaliteit en deadlines zijn heilig, daar wil je samen met jouw collega’s het verschil maken. Herken je jezelf in deze omschrijving? Dan is deze vacature jou wellicht op het lijf...

Context In order to support the ambitions of Portima to become an API centric organization that will enable brokers and companies to integrate much easier and more seamlessly to Portima Connect and Brio services, Portima would like to strengthen its pool developers with an API and backend Architect MUST have qualifications: C# .net Core .Net dev in Azure...

**Context** In order to support the ambitions of Portima to become an API centric organization that will enable brokers and companies to integrate much easier and more seamlessly to Portima Connect and Brio services, Portima would like to strengthen its pool developers with an API and backend Architect **MUST have qualifications:** - C# .net Core - .Net...

**Rejoins Vertuoza, une scale-up SaaS en pleine expansion en tant que Développeur Back-end ! 🚀** Vertuoza, c’est une scale-up SaaS en pleine expansion, qui aide les pros du bâtiment à gagner en sérénité et en efficacité 🏗️ **TES MISSIONS 🧑‍💻 :** En tant que **Développeur Back-end** , tu joueras un rôle clé dans le...

Description de l'offre d'emploiRejoins Vertuoza, une scale-up SaaS en pleine expansion en tant que Développeur Back-end  ! 🚀Vertuoza, c’est une scale-up SaaS en pleine expansion, qui aide les pros du bâtiment à gagner en sérénité et en efficacité 🏗️TES MISSIONS 🧑‍💻 :En tant que Développeur Back-end, tu joueras un rôle clé dans le...

In order to support the ambitions of Portima to become an API centric organization that will enable brokers and companies to integrate much easier and more seamlessly to Portima Connect and Brio services, Portima would like to strengthen its developer team with an API and backend Developer. MUST have qualifications C# .net Core .Net dev in Azure or similar...

In order to support the ambitions of Portima to become an API centric organization that will enable brokers and companies to integrate much easier and more seamlessly to Portima Connect and Brio services, Portima would like to strengthen its developer team with an API and backend Developer. **MUST have qualifications** - C# .net Core - .Net dev in Azure or...

Job Introduction Serco is a trusted partner of European Institutions and International Organisations, providing ICT services and Contact Centre management across Europe. Our expertise ranges from information systems support to consultancy services delivered under governmental frameworks, supporting key entities such as the European Commission and its...

Backend Developer (.NET) – Insurance Industry **Industry:** Insurance **Contract type:** Freelance / Contractor **Start date:** April 2026 **Work model:** Hybrid (minimum 2 days onsite) **Location:** Antwerp region **Language requirements:** Dutch & English (both fluent) Your Responsibilities - Develop and maintain backend applications using ...

Job description Development of back-end website applications. Integration of user-facing elements developed by a front-end developer with server-side logic. Implement core business logic. Creation of servers and databases for functionality. Design and implementation of data storage solutions. Understanding and implementation of security and data...

**Back-End Developer** **Location:** Brussels (Near-site) Remote **Start:** 12 month contract (Duration of the role 3 years) **Daily Rate:** €490 We’re hiring a Backend Developer to join our client that is in the public sector in Brussels. **Key Responsibilities** : - Design and develop robust **back‑end architecture** for complex web...

Ben jij een Python specialist met goede communicatie skills? Dan is dit de job voor jou! Voor onze klant in Roeselare zoeken we een Python developer die zelfstandig aan de slag kan in Odoo voor projecten van hun klanten. Binnen de functie van Python developer behoren volgende zaken tot jouw takenpakket: - Je ontwikkelt maatwerkoplossingen in Odoo op basis...

COSMOTE Global Solutions NV is at the forefront of the ICT industry as a trusted member of the OTE Group of Companies, dedicated to delivering comprehensive ICT Solutions and Services. We are looking for a talented Back-end Developer to enhance our team. As a Back-end Developer, you will play a critical role in designing scalable applications to meet the...

Fujitsu is looking for a Back End Developer to work on a project within the EU Institutions , in Brussels . ON-SITE (2 days per week) Expertise: Back-end languages and frameworks such as Java, PHP, Spring boot and Hibernate The web development cycle and programming techniques and tools. Database technology such as Oracle, MongoDB Code versioning...

Backend Developer (.NET) – Insurance Industry Industry: Insurance Contract type: Freelance / Contractor Start date: April 2026 Work model: Hybrid (minimum 2 days onsite) Location: Antwerp region Language requirements: Dutch & English (both fluent) Your Responsibilities Develop and maintain backend applications using Microsoft .NET Translate...

Je analyseert en verzamelt de business requirements in samenwerking met interne stakeholders uit afdelingen zoals productie, finance en supply chain.Met jouw technische vaardigheden breng je de business en IT samen, en lever je oplossingen die aansluiten bij de bedrijfsbehoeften.Je neemt het voortouw in development taken en bent verantwoordelijk voor de...

Je analyseert en verzamelt de business requirements in samenwerking met interne stakeholders uit afdelingen zoals productie, finance en supply chain.Met jouw technische vaardigheden breng je de business en IT samen, en lever je oplossingen die aansluiten bij de bedrijfsbehoeften.Je neemt het voortouw in development taken en bent verantwoordelijk voor de...