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Worldline

Senior .Net Developer

Hybrid

Brussels, Belgium

Senior

Full Time

07-09-2025

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Skills

Problem Solving GitLab CI/CD DevOps Monitoring Quality Assurance Scrum Problem-solving Customer Service Architecture Organization Software Development Agile .NET Team Development .NET Core CI/CD Pipelines Scrum Methodology

Job Specifications

Job Description

Senior .Net Developer

This is Worldline.

Worldline helps businesses of all shapes and sizes to accelerate their growth journey - quickly, simply, and securely. We are the innovators at the heart of the payments technology industry, shaping how the world pays and gets paid. Our technology powers the growth of millions of businesses across 5 continents. And just as we help our customers accelerate their business, we are committed to helping our people accelerate their careers. Together, we shape the evolution.

The Opportunity : Senior .Net Developer

We are seeking a dedicated Senior .Net Developer to join our dynamic team across Belgium. This role requires a skilled technical professional with strong interpersonal skills, capable of providing exceptional customer service while working independently and collaboratively with local teams.

Day-to-Day Responsibilities

Technical Contribution & Guidance: Contribute to complex technical implementations and guide junior team members, sharing knowledge and best practices while fostering a culture of continuous improvement and collaboration within the squad.
Architecture & Design Participation: Participate in architectural decisions for payment platform features as a team member, contribute to scalable .NET solution design, and provide input in technical strategy discussions while ensuring alignment with business goals and technical excellence.
Advanced Development: Develop robust, high-performance eCommerce payment solutions using .NET technologies, implementing complex integrations, and ensuring adherence to coding standards and security requirements.
Cross-functional Collaboration: Collaborate closely with Lead Developer, Product Managers, QA teams, and DevOps engineers to deliver innovative payment solutions while serving as a technical liaison across teams.
Quality Assurance & DevOps Integration: Champion quality practices, implement comprehensive testing strategies, and work with CI/CD pipelines (GitLab, Octopus Deploy) to ensure seamless deployment and monitoring.
Problem Solving & Innovation: Analyze complex technical challenges, provide innovative solutions, and drive process improvements to enhance development efficiency and product quality.
Documentation & Knowledge Sharing: Create technical documentation, participate in code reviews, and share knowledge through team sessions and collaborative discussions.
Production Support: Contribute to troubleshooting efforts for production issues, ensure system reliability, and implement monitoring solutions to prevent future incidents.

Who Are We Looking For

You are a seasoned software engineering professional with extensive experience in enterprise-level applications and a proven track record of technical contribution. You possess the following qualities and qualifications:

Technical Expertise: You have deep understanding of software development processes, architectural patterns, and modern development practices with extensive experience in complex system design and implementation : 10 years as .Net Deveveloper.
Team Contributor: You have successfully contributed to development teams and technical initiatives in fast-paced environments, with ability to inspire and influence others to achieve technical excellence.
Strategic Thinker: You possess strong analytical and problem-solving skills, allowing you to assess complex technical challenges and provide innovative solutions while considering long-term implications.
Effective Communicator: You excel in communicating complex technical concepts to diverse stakeholders, including executives, product managers, and technical teams, ensuring alignment and transparency.
Continuous Learner: You stay current with emerging technologies and industry best practices, actively seeking opportunities for professional growth and team development.
Quality Advocate: You champion quality practices throughout the organization, driving initiatives that elevate engineering standards and promote best practices across teams.
Customer-Centric Mindset: You understand the importance of delivering high-quality solutions that meet customer needs and drive business value in the payment industry.
You must be located in Belgium.

Must Have

Ownership & Technical Responsibility: Strong sense of ownership and technical responsibility for team's software with ability to take accountability for technical decisions and their outcomes.
Technical Excellence in .NET Core: Deep technical expertise in .NET Core and practices surrounding it, with ability to spread knowledge and best practices within the team.
Agile Experience: Basic understanding of SCRUM methodology and participation in backlog construction, refinement, and sprint planning to help estimate and plan work items effectively.
Standards & Guidelines Development: Experience contributing to the development of organizational policies, standards, and guidelines for software development across teams.
Complex System Design: Proven e

About the Company

We are Worldline. We help businesses of all shapes and sizes to accelerate their growth journey - quickly, simply, and securely. With advanced payments technology, local expertise and solutions customised for hundreds of markets and industries, Worldline powers the growth of over one million businesses around the world. Know more