Sphera is a leading global provider of enterprise software and services that enables companies to manage and optimize their environmental, health, safety and sustainability. Our mission is to create a safer, more sustainable and productive world.

Sphera is a portfolio company of Blackstone, a U.S.-based alternative asset investment company that focuses on private equity, technology and innovation, and more. Blackstone businesses succeed through strong partnerships, a personalized approach and a commitment to exceptional performance with uncompromising integrity. Sphera and Blackstone are leaders in the Environmental, Social and Governance (ESG) space.

We are guided by our core values of Customer Centricity, Accountability, Bias to Action, Innovation, and Collaboration. These values help us recruit the right talent to join our rapidly expanding team of around the globe. It is important to us that each and every Spherion is not only eager to challenge themselves and knows how to get work done but is an awesome addition to our company culture.

We are seeking a Senior C#/.NET Developer to join our Data Content Development team. This is a software development role focused on building and maintaining data-driven applications and solutions that support Sphera's product stewardship and regulatory compliance products.

The ideal candidate is an experienced C#/.NET developer who enjoys working with complex datasets, big data and business rules. You will design, develop, troubleshoot, and enhance applications that process large volumes of data and support critical regulatory and compliance products.

You will work closely with software developers, regulatory analysts, and product teams to translate complex business and technical requirements into scalable, reliable solutions. Experience with regulatory compliance, chemical data, or sustainability-related domains is valuable but not required.

Key Responsibilities

• Design, develop, and maintain data-driven applications and solutions using C#/.NET within existing application frameworks.
• Analyze complex business and technical requirements and translate them into efficient, scalable software solutions.
• Work with large datasets and complex data structures while maintaining a strong focus on data quality and performance.
• Troubleshoot, debug, and resolve application, database, and data-processing issues.
• Collaborate with software developers, regulatory analysts, and cross-functional teams to understand requirements and deliver high-quality solutions.
• Contribute to application enhancements, performance improvements, system design, and ongoing product development.
• Participate in estimation, planning, testing, deployment, and technical documentation activities.
• Support the maintenance and evolution of large-scale regulatory data products and applications.
• Work independently on complex technical problems and contribute to long-term improvements to the platform.

Required Qualifications

Education

• Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related field.

Experience

• 5+ years of professional software development experience.
• Strong hands-on experience with C#/.NET development.
• Strong object-oriented programming and software development fundamentals.
• Experience designing, developing, and supporting data-centric or data-driven applications.
• Experience with SQL
• Experience working with large datasets and data processing.
• Strong analytical and problem-solving skills with the ability to work through complex technical and business requirements.

Skills & Competencies

• Strong C#/.NET development skills.
• SQL skills.
• Strong analytical and problem-solving abilities.
• Excellent attention to detail and commitment to data quality.
• Ability to understand and work with complex systems, data structures, and business rules.
• Self-driven and proactive, with the ability to work independently.
• Comfortable working collaboratively with distributed development and product teams.
• Strong organizational and time-management skills.
• Effective verbal and written communication skills.
• Fluency in English; additional languages are a plus.
• Curiosity and willingness to learn complex regulatory and product domains.

Preferred Qualifications

• Experience with Oracle Database.
• Experience with ETL, data transformation, or data-processing solutions.
• Strong abilities with SQL.
• Experience with Git or other source-control systems.
• Experience writing technical specifications and technical documentation.
• Experience working with large-scale or multilingual datasets.
• Knowledge of regulatory, chemical, environmental, product stewardship, or compliance domains.
• Experience working with big data technologies or data management practices.

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Sphera is proud to be an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all colleagues.

This job description is intended to convey information essential to understanding the scope of the job and the general nature and level of work performed by job holders within this job. This job description is not intended to be an exhaustive list of qualifications, skills, efforts, duties, responsibilities or working conditions associated with the position.