java English-speaking jobs in Mons

Develop .NET applications including internet, mobile, business administration, and electronic document management solutions. Collaborate with analysts and architects to implement designs and solve problems. Document code, test applications, and work independently.

Senior Java Developer will design, develop, and maintain Java-based applications. Collaborate with business stakeholders and technical teams throughout the software development lifecycle.

Senior Project Manager to lead strategic energy sector projects, including a new company creation. Requires experience managing complex, multi-stakeholder projects, strong communication skills in Dutch, French, and English, and knowledge of energy sector regulations and market dynamics.

As a Sales Account Manager, you will increase sales within an existing territory by providing training, services, and demonstrations to customers. You will also cold call and prospect for new accounts.

eTeacher Group seeks French & English native speakers for a full-time freelance sales representative role. Present, promote, and sell online courses to prospective customers via phone and email. Proven sales experience and exceptional communication skills are required.

Network and IT Infrastructure Technician required to conduct walkthroughs, document equipment, and maintain databases. Must have a NATO SECRET security clearance and experience in network infrastructure and maintenance.

Finance & Controlling intern to support operational and financial analysis activities. Tasks include inventory monitoring, sales reporting, F&B reporting, and assisting with monthly closing.

Developer Consultant Coldfusion (DEV) needed for an EU agency in Brussels. Responsibilities include software development, maintenance, integration, security implementation, and documentation. Experience with Coldfusion, web security protocols, and software development methodologies is required. Must have strong English communication skills and be able to work onsite 2 days per week.

Software Validation Engineer will develop and execute validation plans for traction and auxiliary converter embedded software solutions. Responsibilities include creating test cases, executing tests, and ensuring compliance with international standards.

Talencia is seeking a CRM/ERP Audit Specialist to evaluate and modernize a bespoke PowerBuilder solution for a European Institution. The specialist will conduct a process audit, reverse-engineer the back-end, and propose optimization strategies.

Expert Front End Developer (Drupal) fluent in English needed for a project in Brussels, Belgium. Responsibilities include implementing responsive layouts, customizing Drupal templates, and integrating APIs. Requires 13+ years of IT experience, 10+ years in HTML/CSS, 5+ years in JavaScript and Drupal theming.

The Commercial Manager will lead the sales team and collaborate cross-functionally to achieve ViiV's growth ambition. Responsibilities include sales leadership, account plan execution, team performance management, care pathway management, and national event management.

UX/UI Designer Consultant will craft intuitive and visually compelling digital interfaces, conduct user research, and collaborate with multidisciplinary teams.

Stranger Soccer seeks a passionate football entrepreneur to open and operate their business in Brussels. Responsibilities include bringing the brand to life, recruiting and leading a team, securing game venues, and overseeing game schedules. Ideal candidates have a business background, entrepreneurial spirit, and a passion for football.

Engineering Technician needed to build and test prototype medical displays. Collaborate with R&D to verify performance and solve technical problems. Requires a bachelor's degree in electro-mechanics or similar, strong communication skills, and proficiency in English.

As an Alumni Engagement (Event) Manager, you will manage the alumni event calendar, from initial briefing to post-event follow-up. You will act as the Single Point of Contact for alumni clubs, providing project management expertise and ensuring events meet Vlerick's standards. You will also manage registration platforms, invoicing, and database updates.

ACENSI seeks a consultant to establish and maintain project management governance within the IT department. This role will document methodologies, standards, tools, and templates, aligning PMO practices with organizational policies and industry best practices. The consultant will also monitor project progress, risks, and dependencies, providing regular reports and dashboards to senior management and stakeholders.

Lead and grow a team of up to 10 Account Executives in the Benelux and Italian market, exceeding quotas and driving revenue growth for Libra, a legal AI Workflow solution.

Penetration Tester to join the Belgian Offensive Security Team, conducting penetration tests across diverse technologies and environments. Will document technical issues, support incident response, and contribute to continuous improvement of security testing programs. Requires 5+ years of experience in penetration testing/red teaming and knowledge of penetration testing tools and methodologies. Fluency in English, French, and/or Dutch is a plus.

The AI Models group at imec is seeking a Machine Learning Performance Engineer to develop a framework for representing distributed AI/ML workloads and analyze their performance on different hardware architectures. The candidate will work on optimizing deep learning workloads for exascale systems and exploring emerging AI/ML algorithms for custom architectures.