Software Developer, Full Stack

Join the dynamic and collaborative team at Katalyst Data Management (KDM)! KDM is seeking an Intermediate Software Developer – Full Stack who thrives on solving complex problems and building modern, high ‑ performance web applications. This is an exciting opportunity to work across the full technology stack — leveraging .NET 6+, React, APIs, and SQL — to develop scalable solutions that support the oil and gas industry. Ideal candidates are comfortable working with minimal supervision, collaborating closely with cross ‑ functional teams, and translating business and technical requirements into clean, maintainable code that delivers real impact for our customers. Located in Barra da Tijuca, Brazil Monday through Friday, 8:00 a.m. to 5:00 p.m., (occasional extended hours to support deployments or maintain service continuity) Full-Time position The Company Katalyst Data Management (KDM) is the global leader in hosted subsurface data management solutions for the oil and gas industry. From data capture and verification, to data storage and organisation, to marketing data online, our specialised data services cater to large multinational corporations, national governments and small independents. KDM’s web-based iGlass services and their related controls, including system redundancy, are key differentiators in providing and maintaining high availability, 24/7 access for customers. Innovation and commitment has enabled KDM to provide excellence in both technologies and service qualities. Key Responsibilities and Accountabilities This role is ideal for a full‑stack developer who wants to build modern, high‑impact web applications that power the oil and gas industry. The Intermediate Software Developer – Full Stack will work alongside talented, cross‑functional teams to create scalable, high‑quality solutions across both frontend and backend technologies. Success in this role means delivering fast, reliable, and maintainable applications while turning business and technical requirements into well‑crafted software that truly makes a difference. Key Responsibilities: Develop, enhance, and maintain web applications using .NET 6+ and React. Design, build, and maintain APIs and backend services. Develop user-friendly frontend interfaces that support business needs. Work with ORM tools and SQL databases (Postgres) to support application functionality. Work with custom domain data types, including geospatial, seismic, and well data. Collaborate with team members to define requirements and deliver new features. Produce clean, maintainable code in alignment with established best practices. Participate in code reviews and support continuous improvement efforts. Troubleshoot and debug issues across frontend and backend components.. Knowledge & Skills Required: Strong experience with .NET (6+), React, Docker, and SQL databases Solid understanding of software engineering principles (SOLID, Clean Code) Ability to work across frontend and backend technologies Intermediate English (ability to communicate in meetings). Required Education and Experience: Bachelor’s degree in computer science, engineering, or related field. 2+ years of experience in web development. Experience building and maintaining web applications using modern frameworks. Supervisory Responsibilities: This position has no supervisory responsibilities. Position Type and Expected Hours of Work: This is a full-time position. As a full-time position, the eligible to participate in benefits coverage offered to Katalyst employees based on geographical location. Monday through Friday, 8:00 a.m. to 5:00 p.m., with occasional extended hours to support deployments or maintain service continuity. Hybrid work model – three remote days and two on-site days per week. Travel: This position does not require travel. All work will be conducted in-office or virtually. If participation in an offsite meeting or company event is ever requested, Katalyst will cover or reimburse all related expenses in accordance with company policies and local regulations.