Backend Developer jobs in Boom

A global management consulting group is seeking a Senior Software Developer in Brussels with strong back-end and front-end capabilities. You will work on transformation projects, executing assignments in software development and digital transformation. A Master's degree and 3-6 years of relevant exp

We need a DeFi-native, Senior Backend Dev to design and implement backend services and infrastructure for a next-gen dApp & DeFi protocol The company; A DeFi platform on Hyperliquid where users can mint a stablecoin, borrow/lend assets & access on‑chain financial products like yield earning and trad

Trigrr

*About Us** Trigrr is a Belgian start-up that developes a software which redefines how buildings evolve in line with user expectations. Our Trigrr BOS solution is a building operating system that orchestrates all building technologies, whether your building is 100 years old or brand new. With this i

Senior Java Backend Developer (Freelance) – 10 months – Vlaams-Brabant/Brabant Wallon, Belgium At RELYzIT Talent, we don’t recruit — we build. We unite the top 2% of builders — engineers, architects, creators — into a movement across Europe and the GCC. Vetted through our VECTOR7™ Signal Stack, you’

*Chaque moment compte. Surtout ceux que vous vivez à fond. Bienvenue chez Consort Group.** Consort Group, accompagne depuis plus de 30 ans les entreprises dans la valorisation de leurs données et infrastructures. Elle s'appuie sur deux leaders, Consortis et Consortia, et place l’humain et la respons

Keytrade Bank

Retour à la liste Back-end Developer Équipe Product Factory Type de contrat Permanent Niveau Medior (2 - 7y) 23 janvier 2026 Postuler Keytrade Bank is a young bank, where all IT systems traditionally were developed in house. Currently Keytrade Bank is moving to a model where we focus on customer exp

Madison Recruitment

*Beschrijving** Voor onze partner in regio Mechelen zijn we op zoek naar een *Senior Backend .NET Developer** die een verschil wil maken. Je komt terecht in een *R&D-omgeving** waar het development team innovatieve en betrouwbare software bouwt die direct impact heeft op de dagelijkse werkzaamhe

We’re looking for an experienced Senior Java Backend Consultant to join our client’s technology team and contribute to the design, development, and evolution of high-performance enterprise applications. In this role, you will help build robust, scalable, and highly available backend systems that sup

Pauwels Consulting

Our client is looking for a backend specialist to develop, program, and maintain robust software applications for critical business operations. The role focuses on the design and architecture of high-availability microservices with a strong emphasis on performance and scalability. *Responsibilities*

Portima

*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 Archite

theMatchBox

Werken aan AI-based producten en services die in bedrijfsprocessen zijn geïntegreerd Bias-free & volledig compliant met de EU AI Act Bij een bedrijf dat zich bewezen heeft, niet de zoveelste gehypte AI-startup *Vacature Senior Java Backend Developer (Antwerpen)** *Wat ga je doen?** Als Senior Ja

MA (Montreal Associates)

EN - Senior Java Backend Developer *Purpose** Develop, test, and maintain backend applications to deliver robust, scalable, and reliable solutions. Strong involvement in microservices architecture with focus on high availability, performance, scalability, and backward compatibility. *Responsibilitie

Mygrid

*About Us** MyGrid is an ambitious cleantech startup building the future of accessible home energy storage. Our plug-and-play battery ecosystem empowers people to take control of their energy use and unlock new services such as dynamic pricing, VPP participation, and peer-to-peer trading. Our produc

Act Digital

*Company Description** We are looking for a **Senior Java Backend Developer** to design, develop, and maintain robust, scalable backend applications supporting critical business systems. You will play a key role in the **design and evolution of microservices architectures**, with a strong focus on *

We are looking for a *Senior Java Backend Developer** to design, develop, and maintain robust, scalable backend applications supporting critical business systems. You will play a key role in the *design and evolution of microservices architectures** , with a strong focus on *high availability, perfo

Contec - Industrial Automation Solutions

Dat automatisatie de toekomst is, hoeven we je vast niet te vertellen. Bij Contec maken we er dan ook onze missie van om industriële processen future proof* te maken. We zijn in volle groei en daarom ook continu op zoek naar nieuwe collega’s. Ben jij er klaar voor om samen met ons aan de factory of

We are seeking a *Backend Developer** to design and deliver cloud‑native, event‑driven microservices using Java, Spring Boot, and Kafka. You will model robust relational data structures, implement EDA patterns (Event Sourcing/CQRS), and contribute to business process automation with BPMN/Camunda. Yo

*Job Title: Functional analyst/Oracle Backend developer** *Location:** *Zandvliet** , *Antwerp, Belgium** *Duration: ASAP-End of 2026 with option to Extend** *Mode of work: Part Time-4/5 (with one fixed office day per week)** *Languages: English, Dutch is plus** *Job Description - Roles and Responsi

Portima

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 ha

Locatie Kontich , Gent , Leuven of Kortrijk We zoeken een Senior Drupal backend developer om ons Drupal team te versterken. Het team bestaat uit andere ervaren Drupal experts en ook minder ervaren collega’s die graag willen bijleren. ## **Wat ga je wekelijks doen?** Elke week ziet er anders uit, wan