Senior Python Engineer - Pre-trade (Gas & Power Industry)

About the role

Talan is an international group that supports clients in end-to-end Data & AI transformation by combining management consulting with technological expertise. With over 6,000 employees across five continents, Talan accelerates clients' transformations through long-term partnerships, creating measurable and sustainable impact. The value proposition is built on a structured innovation ecosystem: 2,500 Data & AI experts, proprietary solutions built on advanced models, and an applied research, experimental development, and innovation laboratory. In the Americas, multidisciplinary teams bring over 30 years of experience helping business leaders across key industries achieve measurable performance and strong ROI, designing, building, and scaling solutions that enable companies to grow more efficiently.

Location: Houston (Hybrid – at least 3 days onsite/week). Visa Sponsorship: We offer sponsorship under specific treaty-based U.S. work visas, including TN and E-2 (for eligible Canadian, Mexican, and French citizens). We do not support or transfer other visa types (e.g., H-1B).

Talan is looking for a Senior Software Engineer - AWS / Python to support a key client in the energy trading industry. The role focuses on designing, developing, deploying, and supporting secure, scalable cloud applications and data services supporting pre-trade, market data, pricing, and analytics. AWS is the primary cloud platform and Python the main development language.

Responsibilities

• Build and support cloud-native applications, APIs, microservices, and event-driven solutions on AWS.
• Develop backend services and automation in Python.
• Design services handling market data, pricing, analytics, and pre-trade workflows.
• Implement infrastructure as code using Terraform, AWS CDK, or CloudFormation.
• Build and maintain CI/CD, automated testing, monitoring, and observability.
• Apply cloud security and secure software-development best practices.
• Optimize application performance, reliability, scalability, and AWS costs.
• Lead technical discussions, code reviews, and architecture reviews.
• Mentor junior and mid-level engineers.

Requirements

• 10+ years of strong hands-on backend OOP development experience in event-driven and distributed backend services.
• 5+ years of developing complex Python applications involving high volume data processing, designing and developing APIs, microservices, and event-driven architectures.
• 5+ years of experience deploying Python applications in AWS cloud environment (e.g., Kafka, Redis/ElastiCache, RDS/Aurora/S3).
• Bachelor's degree in Computer Science, Engineering, Finance, or Quantitative Finance.

Qualifications

• Experience in energy trading, commodities, market data, pricing, or financial markets.
• Microsoft Azure experience.
• Athena, or Redshift.
• C#/.NET or React or Angular.
• AWS or Azure certifications.

Benefits

• 401(k) retirement plan with company matching.
• 15 days of paid vacation per year at hire and up to 27 according to seniority (annual untaken vacation days are cashed out).
• 8 paid holidays + 5 sick days + 2 personal days per year.
• Company health, dental, and vision insurance plans + FSA.
• Voluntary STD and LTD.
• Commuter/transit benefits.