Note: The job is a remote job and is open to candidates in USA. DTN is a global data and technology company helping operational leaders in energy, agriculture, and weather-driven industries make faster, smarter decisions. The Software Engineer role focuses on the design, development, and testing of software systems or applications, particularly in creating and managing GraphQL APIs and enhancing semantic API architecture.
Responsibilities
- Designs, develops, and implements GraphQL APIs to provide unified data access across multiple systems
- Development and expansion of semantic API architecture including schema design, resolver optimization, and data normalization strategies
- Establishes data governance and security practices for semantic API layers
- Collaborates with Data Engineering teams to integrate data sources and transformation patterns
- Quality improvement processes including code reviews, schema validation, and performance optimization
- Develops documentation for semantic API patterns and implementations
Skills
- Proficiency in GraphQL and AWS AppSync including schema design, batch Lambda resolvers, pipeline resolvers, subscriptions, and caching
- Minimum 3 years of AWS cloud experience (Lambda, RDS, DynamoDB, IAM, CloudWatch, X-Ray, Kinesis, Glue, Athena)
- Experience with AWS CDK or CloudFormation for infrastructure as code
- Understanding of Lambda optimization (cold starts, concurrency, VPC considerations)
- Node.js for building batch Lambda resolver functions
- Proficiency in Python for data processing and Lambda functions
- Understanding of Lambda batching patterns (DataLoader, batch aggregation, connection pooling, caching)
- SQL and database knowledge (Postgres, MySQL, Oracle)
- Experience with NoSQL databases (DynamoDB)
- Understanding of data architecture principles including modeling for transactional and analytical workloads
- Git including branching strategies and code review processes
- CI/CD pipelines for AppSync and Lambda deployment
- Testing strategies (unit, integration, schema validation, batch operation testing)
- Performance profiling and optimization for serverless and databases
- Minimum 4 years of software engineering experience with minimum 1-2 years focused on API architecture and data-intensive applications
- Data architecture background with understanding of data management, integration patterns, and governance
- Proven ability to lead technical initiatives and mentor engineers
- Excellent communication and documentation skills
- Experience in Agile/Scrum environments
- Problem-solving mindset for performance, data consistency, and architectural issues
- Cost optimization experience in serverless environments
- AWS Certifications
- Background in energy, commodities, or supply chain domains
- Multi-tenant architectures experience
- Contributions to open-source GraphQL projects
- Database administration experience across multiple platforms
Benefits
- Unlimited PTO
- Flexible working hours
- Remote work model (position dependent)
- Competitive Medical, Dental and Vision Insurance Plans
- 6% 401K matching
- Unlimited access to 13k+ courses via learning platform to support employee career advancement
- Employee Assistance Program (EAP)
Company Overview
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