Senior Software Engineer - Product

ElectronX® is the first U.S.-regulated, direct access electricity derivatives market, offering financial products to address volatile short-term price exposure to electricity. With offices in Chicago and New York City, ElectronX is building the missing financial infrastructure and risk management tools necessary to smooth the path for U.S. energy production, diversification and grid expansion in a time of rapidly increasing power demand. ElectronX is a venture capital-backed startup supported by premier VC partners including Innovation Endeavors, Systemiq Capital, Equinor Ventures, Shell Ventures LLC, DCVC, Amplo, BoxGroup and Lightning Capital.

About the role

• Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent practical experience)
• 5+ years of full-stack software engineering experience, with a proven ability to build systems from scratch
• Expert-level proficiency in at least one backend language; Python and/or Go preferred
• Expert-level proficiency in TypeScript and React
• Strong understanding of distributed systems, API design, and scalability patterns
• Experience with relational databases (PostgreSQL, MySQL) and data modeling
• Experience with version control (Git), CI/CD, and modern development tooling
• Working knowledge of software security best practices
• Ability to write clean, maintainable, well-tested code

Responsibilities

• Build Core Exchange Infrastructure
• Design and implement our trading engine, order matching system, and market data distribution platform
• Develop, ship, and iterate our customer-facing trading interface
• Build APIs and integrations for market participants, clearinghouses, and data vendors
• Develop real-time market surveillance and monitoring systems
• Create admin tools and internal dashboards for operations and compliance teams
• Build scalable data pipelines for market data, trade reporting, and analytics
• Own Technical Architecture
• Design systems that balance performance, reliability, and regulatory requirements
• Contribute to evolving team standards for engineering best practices, code quality, and development workflows
• Implement security controls and compliance-focused engineering practices
• Raise the Engineering Bar
• Champion and evolve our engineering principles as the team grows
• Mentor teammates and help new hires ramp up
• Reinforce a culture of ownership, quality, and continuous improvement
• Cross-Functional Collaboration
• Collaborate with the Product and Strategy and Design teams to translate market needs into technical solutions
• Work with compliance and legal teams to ensure systems meet CFTC regulatory requirements
• Coordinate with infrastructure and security teams on deployment and monitoring
• Engage directly with early customers and trading firms to understand their needs

Requirements

• Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent practical experience)
• 5+ years of full-stack software engineering experience, with a proven ability to build systems from scratch
• Expert-level proficiency in at least one backend language; Python and/or Go preferred
• Expert-level proficiency in TypeScript and React
• Strong understanding of distributed systems, API design, and scalability patterns
• Experience with relational databases (PostgreSQL, MySQL) and data modeling
• Experience with version control (Git), CI/CD, and modern development tooling
• Working knowledge of software security best practices
• Ability to write clean, maintainable, well-tested code

Qualifications

• Financial services or trading systems experience — trading platforms, market data, order routing, or exchange technology
• High-performance systems experience — low-latency or high-throughput systems (matching engines, pricing systems, real-time data processing)
• Regulated environments — fintech, healthcare, or other compliance-heavy industries
• Early-stage startup experience as one of the first 10 engineers helping scale a company
• Cloud platforms (GCP, AWS, Azure) and infrastructure as code
• Familiarity with FIX protocol or other trading protocols
• Understanding of derivatives, futures, or commodities markets
• Experience with real-time systems and WebSocket / streaming technologies
• DevOps experience (Docker, Kubernetes, Terraform)
• Background in data engineering or analytics infrastructure

Skills

• Ownership mentality: You take full responsibility for your work from conception to production
• Bias for action: You'd rather ship and iterate than over-engineer for hypothetical futures
• Entrepreneurial spirit: You're energized by building something new and comfortable with startup uncertainty
• High agency: You identify problems and solve them without waiting for permission

Benefits

• Health, vision and dental insurance
• 401(k) match
• Supplemental health and disability insurance
• Unlimited vacation
• Parental leave

Pay

$170K - $190K