Senior Developer

About the Role: • We are looking for a hands-on IT Developer with experience in the Power & Gas Commodity markets of North America. You will work on full stack applications to support Front Office Trading across commodities and must be passionate about technology with experience developing enterprise-wide solutions. • You will need to partner with end-users to understand process, requirements and analyze problems to design solutions and ultimately deliver tangible business value & benefit. Key Responsibilities: • Own the design, development, and operation of mission-critical Front Office trading applications, including cloud-native data platforms hosted on Amazon Web Services (AWS). • Architect and deliver high-performance, low-latency, and scalable solutions that directly support trading, risk management, P&L, and market analytics. • Partner closely with Front Office, Trading, Risk, and Quant teams to translate complex business requirements into robust technical solutions. • Lead the end-to-end delivery lifecycle: requirements analysis, solution design, prioritization, implementation, testing, deployment, and production support. • Drive operational excellence through advanced monitoring, alerting, observability, automation, and predictive operations for 24x7 trading systems. • Provide technical leadership and architectural guidance across globally distributed internal teams and third-party delivery partners. • Ensure solutions adhere to security, performance, resiliency, and compliance standards expected in a regulated trading environment. • Act as a technology ambassador for Mercuria IT, representing the organization internally and externally with credibility at senior business and technical levels. Skills and Experience: • BS or MS in Computer Science, Engineering, or equivalent practical experience. • 10+ years of experience designing and building enterprise-grade, distributed systems. • Strong experience in commodities trading, energy trading, financial markets, or risk management systems is mandatory (Front Office, Risk, P&L, Trade Capture, Market Data). • Proven expertise in Python with strong experience in Dash or modern UI/data visualization frameworks used in trading environments. • Strong UI and data-driven application development experience for trader- and risk-facing tools. • Deep hands-on experience with AWS, including (but not limited to): EKS, RDS, EC2, Lambda, S3, VPC, SageMaker, ECR, API Gateway, CloudFormation/ Terraform, CloudWatch, CloudTrail, SQS, SNS • Strong SQL and relational data modeling expertise with databases such as PostgreSQL, SQL Server, Snowflake, MySQL. • Experience with FIX 4.2 / 4.4 in electronic trading environments, covering order/execution workflows, market data, trade lifecycle management, and technical aspects such as session handling, validation, performance, and resiliency across financial instruments. • Experience designing and building RESTful APIs, event-driven architectures, and JSON-based services. • Strong DevOps and platform engineering mindset, with hands-on experience using: Docker, Kubernetes, GitLab, CI/CD pipelines • Solid understanding of Linux/Unix environments. • Strong ability to lead complex initiatives, influence stakeholders, and deliver under time-critical trading deadlines