Backend Development Intern(C#, SQL)

PowerDev is an innovative startup developing a Big Data & Analytics SaaS platform for the U.S. energy market, delivering accurate, real-time insights through advanced data processing, normalization, and analytics. We work with large, heterogeneous data sources and transform them into unified, queryable datasets that power analytics products and customer dashboards.

We are looking for Backend Development Interns to join our product and data engineering team. In this role, you will work on the backend systems that collect, process, normalize, and expose large-scale energy market data through APIs. You will contribute to building reliable data pipelines and backend services that make complex datasets easy to query, analyze, and consume.

This is a hands-on role ideal for candidates with a strong interest in backend development, data-intensive systems, and Big Data architectures.

• Develop backend services using C# and .NET
• Collect and integrate data from multiple external and internal data sources (APIs, feeds, live streams)
• Build live and near–real-time data integrations
• Design and maintain normalized and unified data schemas in PostgreSQL
• Clean, transform, and standardize raw data into analytics-ready datasets
• Make data easily queryable and analysis-friendly
• Expose processed data through REST APIs for customer applications and dashboards
• Implement customer-based data access and usage tracking
• Store and analyze data usage statistics for customers and internal analytics
• Collaborate with frontend, data, and product teams to support dashboard and SaaS features
• Ensure performance, reliability, and scalability of backend services

• C# / .NET
• PostgreSQL
• REST APIs
• SQL (data modeling, performance-oriented queries)
• Background services & data processing jobs
• API integrations (third-party and internal)

During the internship, you will gain hands-on experience in:

• Backend development with .NET and C#
• Designing and working with data-intensive systems
• Data normalization and schema design for analytics platforms
• Integrating live and batch data sources
• Building scalable REST APIs for SaaS products
• Understanding Big Data concepts in real-world production systems
• Startup product development and data-driven architectures

• Basic to intermediate experience with C# and .NET
• Solid understanding of SQL and relational databases
• Familiarity with PostgreSQL or similar databases
• Understanding of REST API concepts
• Ability to read and understand technical documentation in English
• Strong interest in data, analytics, and Big Data systems
• Availability of at least 3 days per week

• Experience with data processing or ETL-style workflows
• Exposure to high-volume or real-time data systems
• Interest in analytics platforms, dashboards, or data products
• Familiarity with performance optimization or query tuning
• Basic experience with Python for data processing, scripting, or analytics

• Stipend provided proportionally to the number of working days per week
• Flexible working schedule (remote or hybrid options may be available)
• Mentorship from experienced backend and data engineers
• Direct exposure to real-world Big Data & SaaS backend systems

Please send your availability (weekly days) and resume to

[email protected]

with the subject line:

“Backend Development Intern – PowerDev”