Senior Software Engineer

For decades, DTN has been the silent force behind some of the worlds most critical industrieshelping businesses navigate complexity, uncertainty, and risk with smarter, faster decisions. From agriculture to energy to weather intelligence, our proprietary Operational Decisioning Platform transforms raw data into decision-grade insightsenabling companies to optimize supply chains, ensure market stability, and safeguard infrastructure against disruption. We dont follow trendswe set the standard for precision, trust, and operational impact. DTN is at an exciting inflection point. Building off a foundation of financial strength, profitability, and industry trust, were accelerating growth and expanding our global footprint. Our purpose-built solutionspowered by AI and honed by decades of vertical expertiseare helping some of the worlds most significant enterprises thrive amid operational constraints and uncover new opportunities in a fast-changing world. Job Description: DTN is looking for a full stack Senior Software Engineer to join our team. In this role, youll work on innovative products within DTNs Energy sector. What You Will be Responsible For: Designs, develops, and implements GraphQL APIs to provide unified data access across multiple systems Leads the 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 Leads quality improvement processes including code reviews, schema validation, and performance optimization Mentors junior engineers and provides technical leadership on GraphQL and semantic architecture best practices Develops comprehensive documentation for semantic API patterns and implementations What You Will Bring to the Position: Technical Skills GraphQL & AWS: Expert-level proficiency in GraphQL and AWS AppSync including schema design, batch Lambda resolvers, pipeline resolvers, subscriptions, and caching Minimum 5 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) Backend & Data: Expert in Node.js for building batch Lambda resolver functions Proficiency in Python for data processing and Lambda functions Deep understanding of Lambda batching patterns (DataLoader, batch aggregation, connection pooling, caching) Expert-level SQL and database knowledge (Postgres, MySQL, Oracle) Experience with NoSQL databases (DynamoDB) Understanding of data architecture principles including modeling for transactional and analytical workloads Development Practices: Advanced Git including branching strategies and code review processes CI/CD pipelines for AppSync and Lambda deployment Strong testing strategies (unit, integration, schema validation, batch operation testing) Performance profiling and optimization for serverless and databases Professional Skills Minimum 7 years of software engineering experience with 3-5 years focused on API architecture and data-intensive applications Strong 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 Bonus Qualifications 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 What You Can Expect from DTN: Competitive Salary 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) Compensation The targeted hiring base pay range for this position is between $115,000 and $165,000. DTN is a pay for performance organization, which means there is the opportunity to advance your compensation with performance over time. The actual base pay offered for this position will be dependent upon many factors, including but not limited to: prior work experience, training/education, transferable skills, business needs, internal equity and applicable laws. The targeted hiring base pay range is subject to change and may be modified in the future. This role may also be eligible for market competitive variable pay and benefits. About DTN: DTN is a global data and technology company helping operational leaders in energy, agriculture, and weather-driven industries make faster, smarter decisions. Our Operational Decisioning Platform turns complex data into decision-grade insightsempowering customers to expand their margins, accelerate growth, and outpace risk. With more than 1,200 employees globally, DTN serves the companies that feed, fuel, and protect the world. At DTN, we value clarity, trust, and action. Were a team of problem-solvers, outcome-drivers, and industry nerds who believe that precision matters and that mission is at the core of what we do. Trust Built: We earn it. We keep it. We protect it. Our neutrality, precision, and integrity are non-negotiable. Confidence-Driven: We help customers move with clarity and conviction. We bring the data and operational knowledge leaders need to act. Built for Industry: We speak operations because we come from operations. Our expertise is forged in fuel terminals, fields, flight paths, and forecasts. Future-Forward: We see whats coming- and were ready. We help customers lead through change with smarter decisioning. Recruitment Fraud Notice: DTN is aware of incidents where external parties have impersonated our organization, issuing fraudulent communications and/or job offers. Please be advised that all legitimate communication from DTN will come from an official @dtn.com email address or through our Paradox AI automated scheduling platform (Talent IQ). Any offers are extended directly by our Talent Acquisition team following a formal interview process. If you receive a suspicious message or offer claiming to be from DTN, please do not engage. Contact our Talent Acquisition team at Careers@dtn.com to verify the legitimacy of any communication. Report any fraudulent messaging as phishing or spam. DTN is an Equal Opportunity Employer. We welcome and encourage applicants of all backgrounds, including minorities, women, veterans, and individuals with disabilities. DTN is a global data and technology company helping operational leaders in energy, agriculture, and weather-driven industries make faster, smarter decisions. Our Operational Decisioning Platform turns complex data into decision-grade insights empowering customers to expand their margins, accelerate growth, and outpace risk. With more than 1,200 employees globally, DTN serves the companies that feed, fuel, and protect the world.