.NET Software Developer

ARHS DevelopmentsLeuven

On-site Full-time

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Experience Level

Mid to Senior

Qualifications

What we are looking for:A minimum of 3 years of hands-on experience in . NET development is essential. Proficiency in C#, . NET Core, ASP. NET, SOLID principles, and RESTful services. Familiarity with modeling tools, such as UML. Experience with integration and deployment tools. Knowledge of Azure, DevOps, and Git. Experience with Angular, React, Blazor, or Vue.js. Adept at adapting to rapidly evolving technologies in application development. Ability to thrive in an international and multicultural environment, demonstrating strong teamwork capabilities. Understanding of existing IT security frameworks and tools for application development and maintenance. A collaborative mindset, with a focus on customer satisfaction, solutions, and continuous improvement. Fluency in English and proficiency in Dutch or French is required. Ability to work independently within an Agile team structure. A proactive, can-do attitude is essential.

About the job

ARHS Developments is in search of a talented . NET Software Developer to join our dynamic team in Leuven. As a key contributor, you will engage in both backend and frontend development, analyze requirements, and create comprehensive specifications. Your role will encompass the development and maintenance of applications, implementation of change requests, and production of detailed technical documentation.

About ARHS Developments

At ARHS Developments, we pride ourselves on being a home for satisfied customers and exceptional consultants. Our new entity, Arηs Technology, headquartered in Leuven, is dedicated to meeting the diverse needs of clients and consultants across Brussels and Flanders. Central to our ethos are values of customer satisfaction, quality, hospitality, and a straightforward approach to business. Our success in project and service delivery is heavily reliant on the technical and functional expertise of our consultants. We bring together the finest experts in our local development center to ensure we deliver top-quality solutions close to our clients. Our holistic approach encompasses all layers of business, technical domains, and service types, with a flexible delivery model offering various collaboration methods: Fixed Price, Time and Means, and Quoted Time and Means.

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Senior System Engineer at arhs | Leuven

Arηs

Full-time|On-site|Leuven

Join Our Team as a Senior System Engineer!We are actively seeking a talented Senior System Engineer to join our dynamic teams in Leuven and Gent. In this pivotal role at Arhs, you will:Oversee technical projects, ensuring successful installations and configurations of software in both short-term and long-term client engagements.Conduct proactive assessments …

Jan 18, 2021

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Java Developer at arhs | Leuven

Arηs Technology

Full-time|On-site|Leuven

Join our dynamic team as a Java Developer, where you will engage in both backend and frontend development. Your typical responsibilities will include:Designing and developing innovative applicationsAnalyzing requirements and crafting detailed specificationsMaintaining and enhancing existing applicationsImplementing change requests effectivelyCreating comprehensive technical documentation

Jul 7, 2022

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.NET Software Developer

ARHS Developments

Full-time|On-site|Leuven

ARHS Developments is in search of a talented .NET Software Developer to join our dynamic team in Leuven. As a key contributor, you will engage in both backend and frontend development, analyze requirements, and create comprehensive specifications. Your role will encompass the development and maintenance of applications, implementation of change requests, and production of detailed technical documentation.

Mar 21, 2022

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Engineer II, Equipment Engineering at ASM | Leuven, Belgium

ASM International N.V.

Full-time|On-site|Belgium > Leuven

Embark on a transformative career with ASM, where cutting-edge technology integrates with a collaborative culture.For over 55 years, ASM has led the way in innovation and technological advancements. Our diverse workforce of over 4,500 employees, representing 70 nationalities, is integral to pioneering trends such as 5G, cloud computing, AI, and autonomous driving. We are committed to diversity, inclusion, and sustainability, aiming to make a positive impact globally. Our development programs are designed to support your growth and push the boundaries of innovation. As an Engineer II in Equipment Engineering at ASM, you will play a vital role in semiconductor innovation! This hands-on position allows you to work with our advanced thermal and plasma ALD systems, ensuring optimal performance in next-generation chip manufacturing. You will thrive in an expert R&D and engineering environment, tackling complex mechanical, electrical, pneumatic, and vacuum systems, troubleshooting precision instruments, and collaborating with engineers to address significant hardware and process challenges. Whether investigating alarms, performing preventive maintenance, assisting in new equipment installations, or conducting root cause analysis, your contributions will uphold ASM's reputation for world-class reliability and performance.If you are passionate about problem-solving and working with sophisticated high-tech equipment, this role places you at the heart of technological advancements that empower phones, cars, data centers, and more. You’ll enhance your skill set, collaborate with top-tier engineers, and make a significant impact on technology utilized globally, all while learning from industry leaders.

Feb 13, 2026

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Network Engineer

ARHS Group

Full-time|On-site|Leuven

Job OverviewAs a Network Engineer at ARHS Technology, you will be responsible for overseeing all network-related activities for our clientele, ensuring optimal performance and security.Key Responsibilities:Design, install, configure, and manage physical networks.Oversee the deployment of VPN networks and manage the necessary components.Ensure IT security management, including firewalls, DMZ, proxies, and reverse proxies.Monitor network performance and conduct regular maintenance to ensure reliability.Maintain domain network management.Update and maintain technical documentation.Ensure the smooth operation of systems and applications.Analyze and resolve incidents or problems promptly.

Jan 18, 2021

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Assistant Store Manager Leuven

Wibra

Part-time|On-site|Leuven, Vlaams-Brabant, België

Wibra zoekt een Assistant Store Manager voor de winkel in Leuven. In deze functie ligt de nadruk op het aansturen van het team op de winkelvloer en het creëren van een prettige sfeer voor zowel klanten als collega’s. De Assistant Store Manager ondersteunt samenwerking en draagt bij aan een aantrekkelijke, commerciële winkelomgeving. Wat je gaat doen Leidinggeven en motiveren van teamleden, vooral bij afwezigheid van de Store Manager Dagelijkse werkzaamheden plannen en bespreken met het team Openen en sluiten van de winkel Zorgen dat schappen gevuld zijn en promoties goed zichtbaar zijn Begeleiden en ondersteunen van het kassateam Klanten verwelkomen en uitstekende service bieden Ontvangen en verwerken van leveringen samen met het team Winkel en magazijn netjes en georganiseerd houden Hoe ziet een werkdag eruit? Een werkdag begint meestal rond 9.00 uur. Als de Store Manager afwezig is, neem je de leiding. Je opent de winkel, bespreekt de taken met het team en zorgt dat iedereen klaarstaat. Zodra de eerste klanten binnenkomen, bied je hulp en service. Leveringen worden samen met het team verwerkt. Aan het einde van de dag sluit je de winkel af en zorg je ervoor dat alles klaar is voor de volgende dag. Elke dag brengt nieuwe uitdagingen en afwisseling. Locatie Leuven, Vlaams-Brabant, België

Apr 21, 2026

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Quality Assurance Engineer

Arηs

Full-time|On-site|Leuven

Join Our Team as a Quality Assurance Engineer!Are you seeking an exciting new opportunity as a QA Engineer?If you are looking for a role that offers freedom, variety, and opportunities to expand your knowledge and experience, your search ends here!We are hiring for both our Ghent and Leuven offices.Your Responsibilities:As a QA Engineer, you will be pivotal in ensuring the quality of our applications and projects.Analyze documents and various acceptance criteria;Execute test scenarios, creating them as needed;Act as a liaison between business and IT;Collaborate closely with the development team;Manage defect tracking, including follow-up and root cause analysis;Document test results for stakeholders;Develop the test approach;Proactively seek to enhance existing testing procedures;Monitor scope, quality, and timelines.Who We Are Looking For:Preferably, you have some experience in testing or analysis;You are familiar with various testing tools (HP ALM, JIRA, BugZilla, etc.);You have experience or a strong interest in test automation;You possess foundational knowledge of one or more technologies: HTML, CSS, JavaScript, SQL, XML, and JSON;You enjoy working in a structured manner;You have strong reporting and presentation skills;You exhibit a critical mindset and analytical thinking;You are communicative, proactive, and assertive;You are detail-oriented and driven;You are pragmatic;You are fluent in Dutch and English and/or French.

Jan 18, 2021

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Panel Coordinator at NielsenIQ | Leuven

NielsenIQ

Full-time|On-site|Leuven

We are seeking a dynamic and organized Panel Coordinator to join our team at NielsenIQ in Leuven. As a Panel Coordinator, you will play a crucial role in managing and coordinating panel activities, ensuring the smooth operation of our projects while maintaining high standards of quality and efficiency.

Mar 17, 2026

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Security Agent at Securitas | Leuven

Securitas

Full-time|On-site|Leuven

Role overview Securitas seeks a Security Agent in Leuven. This position helps protect clients and visitors by maintaining a safe environment. The job requires vigilance and a professional attitude at all times. Main responsibilities Monitor the site to identify and handle potential security issues Conduct regular patrols across the premises Respond promptly and appropriately to incidents as they occur What Securitas looks for The ideal candidate brings a strong sense of responsibility for safety and security. Reliability, careful attention to detail, and a consistently professional manner are important for success in this role.

Apr 28, 2026

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Full Stack Engineer Intern (TypeScript/JavaScript) at DataCamp | Leuven

DataCamp

Internship|On-site|Leuven, Belgium

About DataCamp DataCamp is at the forefront of data and artificial intelligence transformation. We empower individuals, teams, and organizations to acquire the essential data and AI skills necessary for success in the modern world. With a vibrant community of over 17 million learners and more than 6,000 organizations engaged in learning every day, DataCamp is a leading force in addressing the skills gap in data and AI. Whether your goal is to enhance enterprise-wide data literacy, develop foundational data skills, integrate generative AI, or manage cloud transitions, DataCamp provides customized learning solutions tailored to your specific needs. About the Role We are seeking enthusiastic Interns to join our innovative product teams as Full Stack Software Engineers. In this role, you will play a crucial part in developing and enhancing web applications that improve our platform and user experience. Your contributions will significantly influence the future of our product and the satisfaction of our users. At DataCamp, we recognize that AI is revolutionizing software development. As an intern, you will not only develop features but also learn to utilize cutting-edge AI developer tools that empower you to work more efficiently, think creatively, and deliver higher-quality software. We expect our engineers to embrace AI tools such as Cursor and Claude Code, enhancing their productivity. In collaboration with seasoned engineers, you will build user-focused solutions, tackle technical challenges, and gain invaluable hands-on experience in full-stack development. This is an excellent opportunity to advance your skills in a dynamic environment while contributing to real-world projects. If you are eager to gain experience in full-stack development and be part of an innovative product journey, explore the details of this role and apply to join our team!

Feb 19, 2026

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Securitas Trainee Program in Leuven/Limburg

Securitas AB

Full-time|On-site|Leuven

Join our dynamic Securitas Trainee Program in Leuven/Limburg, designed for aspiring security professionals looking to launch their careers in a fast-paced environment. This full-time program offers comprehensive training and hands-on experience in various aspects of security services, equipping you with the skills needed to excel in the industry.

Mar 19, 2026

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Functional Analyst

Arηs

Full-time|On-site|Leuven

Join Our Team as a Functional AnalystAs a Functional Analyst, you will play a crucial role in liaising with our business stakeholders, translating their needs into effective IT solutions for our clients.Your Responsibilities:Investigate desired improvements and document requirements within the organization.Analyze business processes through communication with users.Translate user needs into a well-defined ICT project.Optimize and design automated processes.Apply appropriate analysis techniques based on user needs.Define phases and procedures for technical and functional testing, and execute them.Provide support and follow-up with users.

Jan 18, 2021

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Account Manager for Small-Medium Accounts in Leuven

Veolia Environnement SA

Full-time|On-site|Leuven

Join Veolia Environnement SA as an Account Manager focusing on the acquisition of small to medium accounts in the vibrant region of Leuven. In this role, you will be responsible for driving sales growth, establishing and maintaining client relationships, and ensuring customer satisfaction. Your keen understanding of market dynamics and customer needs will be essential in developing tailored solutions that align with our clients' business objectives.

Mar 10, 2026

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Assistant Store Manager - V/M at Courir | Leuven

Courir

Full-time|On-site|LEUVEN

Join Courir as an Assistant Store Manager, where you will play a pivotal role in leading our retail team to success. Your leadership will guide store operations, enhance customer experiences, and drive sales performance. You will be responsible for assisting in the day-to-day management of the store, ensuring compliance with company policies, and fostering a positive work environment.

Oct 30, 2025

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Internal Sales Advisor at Rexel | Leuven

Rexel

Full-time|On-site|Leuven

Join our dynamic team at Rexel as an Internal Sales Advisor. In this pivotal role, you will be instrumental in driving sales growth by providing exceptional support to our customers and collaborating closely with our external sales team. Your expertise will help us understand customer needs, recommend appropriate products, and deliver outstanding service.

Feb 4, 2026

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Paralegal at JERA Nex bp | Leuven, Belgium

JERA Nex bp

Full-time|On-site|Leuven, Vlaams-Brabant, Belgium

Join us in our mission to harness the power of offshore wind! JERA Nex bp is an innovative joint venture formed between JERA, Japan's leading power generation company, and bp, a prominent global energy leader. Our establishment aims to unlock the vast potential of offshore wind energy worldwide, backed by a skilled team and a robust project pipeline, positioning us to be a frontrunner in the offshore wind sector.Starting with a diverse portfolio of operational and developmental assets, we possess the necessary resources, capabilities, and resilience to deliver offshore wind energy at scale.Why This Role Is ImportantAs a Paralegal, you will play a vital role within our Legal Function, supporting an international offshore wind enterprise. You will report directly to the Head of Legal and collaborate with legal colleagues, as well as corporate, finance, development, and operational teams across various jurisdictions.The paralegal function is integral to fostering strong corporate governance, effective entity management, streamlined contract administration, and legal operations throughout the JERA Nex bp group.Key Responsibilities:Corporate Governance and Entity Management:Oversee company secretarial and corporate housekeeping activities for multiple group entities.Prepare necessary board and shareholder documentation.Assist in corporate transactions involving entity incorporations, restructurings, and governance implementation.Maintain statutory registers and organizational charts.Monitor director mandates and corporate authorizations.Manage KYC/UBO obligations.Coordinate legal formalities, including registrations, publications, and apostilles, and liaise with notaries and external advisors.Contract Management:Handle contract administration and related correspondence.Draft and review NDAs and general terms and conditions.Maintain contract databases and correspondence.Legal and Administrative Support:Conduct legal and regulatory research to support the Legal team and business stakeholders.Gather publicly available corporate information.Maintain corporate administration systems.Assist with compliance monitoring and legal process improvement initiatives.

Mar 3, 2026

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Freelance Luxury Brand Evaluator in Ghent and Leuven, Belgium

CXG

Contract|On-site|Leuven, Flanders, Belgium

Transform your enthusiasm for luxury into a rewarding career with CXG, the preeminent leader in customer experience assessments. Engage with a variety of prestigious brands in fashion, beauty, jewelry, and automotive sectors.About the Position:As a Luxury Brand Evaluator, you will immerse yourself in the luxurious realm, discreetly evaluating customer interactions to provide invaluable feedback that aids brands in enhancing their offerings. Your tasks may include visiting boutiques, online purchasing, or product returns, all contributing to the evolution of luxury service.• Flexible Schedule: Each in-store evaluation lasts approximately 20 minutes, allowing you to tackle multiple assignments at your convenience.• Abundant Opportunities: Participate in numerous evaluations monthly while collaborating with elite brands globally.Our Esteemed Luxury Partners:Fashion & Couture: Louis Vuitton, Saint Laurent, Balenciaga, Versace, Prada, Moncler, Fendi, Bottega Veneta, Ferragamo, COS, Bally, Dolce & Gabbana.Jewelry & Watches: Tiffany & Co., De Beers, Piaget, IWC, Boucheron, Pandora.Beauty & Skincare: Guerlain, Sephora, L’Oréal, Givenchy.Automotive: Bentley, Jaguar, Genesis, Maserati, Vespa.Your Responsibilities:1. Select Your Missions: Choose assignments that resonate with your personal interests and profile.2. Engage with Brands: Conduct evaluations in luxury stores or online from the comfort of your home.3. Observe and Assess: Analyze the ambiance, service quality, and overall customer experience.4. Provide Feedback: Utilize our platform to submit your insights through structured questionnaires.Benefits of Joining Us:• Collaborate with renowned brands across various sectors.• Tailored assignments that match your personal interests.• Compensation for your time and insights, with the possibility of reimbursement for purchases.• Access to a user-friendly platform for managing tasks and feedback.How to Become Part of the CXG Community:1. Register: Sign up at live.cxg.com and verify your email.2. Complete Your Profile: Fill out your details fully for verification.3. Get Certified: Pass the General Certification to qualify for assignments.4. Apply for Missions: Browse through assignments with brands that intrigue you.5. Start Evaluating: Begin contributing to the luxury market.

Oct 6, 2025

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Commercial Trainee / Future Account Manager: Leuven Region

Bank Van Breda

Full-time|On-site|Leuven, Vlaams-Brabant, België

Our team in the Leuven region is on the lookout for a motivated colleague with growth potential who is eager to delve into the world of entrepreneurs and independent professions. You will embark on an enriching commercial trajectory, assisting clients in making informed financial decisions while receiving mentorship from senior account managers. Excited to dive in together?Not Just Any BankJoining us means quickly realizing that Bank Van Breda is not your average bank. We cater specifically to entrepreneurs and independent professionals, supporting them throughout their lives, both personally and professionally. Our deep understanding of their world sets us apart. Additionally, our work culture is vibrant and warm, characterized by mutual collegiality and initiative. A fantastic work atmosphere? Check!Dynamic Duo WantedThe commercial track for future account managers is the perfect opportunity to master banking the Bank Van Breda way—quickly and successfully.You will work closely alongside experienced wealth partners, creating a dynamic tandem. At the outset, you will frequently visit existing and potential clients together. This firsthand experience will showcase our personal approach, teaching you how to truly connect with your conversation partners and discover the wealth advice that best aligns with each unique client story.Throughout the trajectory, you will be immersed in both front and back-office operations. You will learn how to conduct investment discussions, grant loans, understand how deposits function, and know when to involve our sister bank, Delen Private Bank, and much more.You will develop into a respected right-hand to senior account managers, assisting from day one with all daily tasks related to relationship management and wealth guidance: preparing conversations, autonomously resolving queries, tracking client files, etc. Furthermore, you will help grow portfolios by following up on leads, participating in networking events, and reaching out to prospects.Your commercial trajectory concludes when you advance to account manager. At that point, you will become the primary contact for your own client portfolio, which you will autonomously and results-driven expand.We Value YouYou not only meet your targets with ease but also elevate our team and clients with your knowledge, expertise, and dedication. For all that hard work, we offer a suitable reward:A fixed salary with the option to utilize your 13th month through a Flexplan for bike leasing, retirement savings, and more.

Apr 8, 2026

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Senior Process Engineer | Global R&D Process Engineering Program

asm International

Full-time|On-site|Belgium > Leuven

Role Overview asm International is seeking a Senior Process Engineer to join the Global R&D Process Engineering Program in Leuven, Belgium. This role focuses on advancing process engineering solutions that support the needs of a global customer base. What You Will Do Drive innovation in process engineering within a research and development setting. Apply technical expertise to improve product development processes, with a strong emphasis on quality and efficiency. Work closely with cross-functional teams to help bring new technologies to market. Lead efforts to streamline operations and increase productivity across projects. Location This position is based in Leuven, Belgium.

Apr 16, 2026

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Engineering Technician II, Process Engineering

ASM International N.V.

Full-time|On-site|Belgium > Leuven

Join ASM and embark on an exciting career where innovative technology meets a collaborative environment.With over 55 years of industry leadership, ASM has continually pushed the boundaries of technology, driving advancements in fields such as 5G, cloud computing, AI, and autonomous driving. Our diverse team of over 4,500 professionals from 70 nationalities is dedicated to making a positive impact on the world through our cutting-edge semiconductor devices. We prioritize diversity, inclusion, and sustainability, providing robust development programs to foster your growth and unlock your potential.As an Engineering Technician II in Process Engineering at ASM, you will be a vital part of a team that develops state-of-the-art processes and applications for integrated device flows. This role offers a unique opportunity to contribute to groundbreaking innovations that reach the market! Your responsibilities will include:Operating ASM Corporate R&D equipment in the labUtilizing metrology equipment to measure and characterize wafers for process developmentCreating new metrology recipes and techniquesConducting lab operational tasksDelivering innovative solutions to enhance lab operations We are a great match if you possess:A Bachelor's degree in Engineering, Physics, or Materials Science, or equivalent experienceAn understanding of semiconductor device physics and characterizationExperience with metrology tools is advantageousA passion for working in a fab/lab environmentA desire to collaborate with an international, innovative, and hands-on teamFlexibility in working hours (early mornings, evenings, weekends)Strong communication skills in English and a collaborative mindsetWhy consider a career with ASM?If you are eager to apply your expertise in a high-tech, international setting, you are in the right place. Within our business unit, you will experience a culture that values integrity, compassion, and respect. Enjoy the freedom to work creatively and tackle challenges head-on in a supportive environment.

Mar 24, 2026

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