Senior Software Engineer - Product

Who are we? 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. Who are we looking for? As a fast-growing company in the highly competitive, quantitative capital markets industry, ElectronX values candidates who are resourceful, curious and adaptable to change. Our cultural focus on innovation requires collaborative and entrepreneurial teammates with the intellectual grit necessary for near- and long-term success. We are seeking an experienced Senior Software Engineer to help build the foundation of our exchange. You’ll ship the core trading infrastructure our market runs on: the matching engine, market data distribution, our customer-facing trading interface, APIs for market participants and clearinghouses, real-time surveillance and monitoring, and the data pipelines behind trade reporting and analytics. You’ll own architectural decisions that balance performance, reliability, and CFTC regulatory requirements, and weave security and compliance into how we build. Beyond the code, you’ll help evolve our engineering principles as the team grows, mentor new hires, and partner closely with Product, Design, Compliance, Infrastructure, and our earliest customers to turn real market needs into production systems. What will you be doing? 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 Contribute to strong documentation and knowledge-sharing across the team Mentor teammates and help new hires ramp up Reinforce a culture of ownership, quality, and continuous improvement Collaborate Cross-Functionally 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 What we need from you Technical Acumen 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 Experience designing, building, and deploying APIs, services, and user-facing applications 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 The Right Mindset 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 Preferred Experience 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 Passion for energy markets, clean energy, or climate tech Benefits Health, vision and dental insurance 401(k) match Supplemental health and disability insurance Unlimited vacation Parental leave Equal Opportunity Statement: ElectronX is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate on the basis of race, religion, color, sex, gender identity, sexual orientation, age, non-disqualifying physical or mental disability, national origin, veteran status, or any other basis covered by appropriate law. All employment is decided on the basis of qualifications, merit, and business need. This position is not eligible for immigration sponsorship.

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