Are you a passionate, entrepreneurially minded senior full stack developer who wants to build the analytical systems that orchestrate global energy flows? Do you thrive in a flat hierarchy, team-oriented environment that values ideas and individual contributions? Then we are looking for you to join us at Vitol!
As a talented Senior Full Stack Developer, you will help us continue expanding our global analytics platform, fuelled by the rich data generated by our inhouse end-to-end trading system as well as external datasets. We are growing rapidly and are looking for exceptional candidates to help us deliver on our mission. This role will have the opportunity to interface directly with the business, ranging from research analysts, traders, operators to top management to drive our requirements and deliver a wide range of capabilities.
As a member of the Analytics team in Geneva, you will:
Work with a distributed team to develop strategic set of analytics applications
Develop AI-enabled solutions leveraging modern LLMs, Generative AI tools, and machine learning capabilities
Contribute to React-based front-end applications that provide actionable business insights
Partner closely with business stakeholders to understand requirements and deliver high-impact solutions
Own projects throughout the development lifecycle, from design to deployment and support
Build resilient, maintainable, and testable systems used globally across the organization
Participate in architecture discussions, code reviews, and technical mentoring
Bachelor’s or master’s degree in computer science, software engineering, or a related field
7+ years of professional working with C# and related .NET technologies within global enterprise solutions
Strong React experience, including proficiency using modular JavaScript, asynchronous patterns, and DOM manipulation
Experience operating AI models to deliver high-quality software
Experience designing and building distributed systems and microservices
Experience with relational databases and SQL (SQL Server, PostgreSQL, Oracle, or similar)
Experience working in Agile/Scrum environments
Awareness of continuous integration and continuous delivery (CI/CD) concepts and technologies
Proactive and user-focused, with a can-do attitude and a genuine interest in the functional as well as technical aspects of each challenge encountered
Self-motivated with the ability to prioritize, meet deadlines and manage changing priorities
Strong verbal and written communication skills
Preferred Qualifications
Experience integrating AI models and services into production applications
Knowledge of LLMs, RAG architectures, AI agents, prompt engineering, or machine learning workflows
Experience with streaming technologies: GraphQL and/or gRPC
Experience with Reactive Extensions (Rx)
Experience with event-driven architectures and messaging platforms such as Kafka
Experience in analytics, commodities, energy trading, or financial markets
Soft Skills That Will Help You Stand Out
At Vitol, cultural fit is as important as technical excellence. We are looking for individuals who combine strong engineering capabilities with ownership, business curiosity, and a collaborative mindset.
Entrepreneurial and results-driven, with a strong sense of ownership and a passion for delivering business impact.
Curious and innovative, with a genuine interest in leveraging AI and technology to solve complex business challenges.
Collaborative and low ego, thriving in a team-oriented environment where knowledge sharing and collective success matter.
Excellent communicator, able to build trusted relationships and translate technical concepts into business value.
Pragmatic and solution-focused, balancing attention to detail with the ability to keep sight of the bigger picture.
Adaptable and resilient, comfortable operating in a fast-paced environment with evolving priorities.
User and business-focused, with a genuine interest in understanding stakeholder needs and transforming data into impactful solutions.