Saragossa

Support and scale trading infrastructure, troubleshoot issues, and build automation tools in a Linux-based environment. | Experience with Linux systems, automation tools like Ansible, infrastructure provisioning, and SQL knowledge in a fast-paced environment. | Support the trading technology and infrastructure of a fast-growing quantitative trading firm focused on sports and prediction markets. Founded five years ago, the firm has built its own proprietary data, statistical models, and pricing systems to generate trading opportunities across global betting exchanges and newer prediction markets. As an early mover in this space, the business has established a strong edge and continues to grow as larger trading firms begin entering the market. This DevOps Engineer role sits within a small, high-impact team responsible for scaling and maintaining the firm’s trading infrastructure. You will work closely with traders, developers, and data teams to ensure systems are running reliably, troubleshoot issues, and build automation and internal tools that improve efficiency across the organization. The environment is primarily Linux-based, with a focus on on-prem infrastructure while expanding further into the cloud. The stack includes Terraform for infrastructure provisioning, Ansible for configuration management, Grafana for monitoring and alerting, and growing adoption of Kubernetes, along with CI/CD pipelines. Exposure to SQL is helpful. The role involves a mix of support, automation, and infrastructure buildout in a fast-paced environment. The team operates on a hybrid model with a strong presence in Chicago, and the working schedule typically follows a 4-on, 4-off rotation, which may include weekends or later hours depending on major sporting events. Compensation ranges from $150,000 to $175,000, plus performance bonus and benefits.

Lead patching and endpoint management using RMM tools and automation. | Senior cloud engineer with software development and AI infrastructure experience. | You'll be the first senior cloud hire building the infrastructure for AI solutions at a Private Equity-backed business in rapid expansion. This is a greenfield opportunity. You're coming in to architect and build cloud infrastructure from the ground up, shaping how this firm deploys and scales AI solutions across their company. You'll own the technical direction for cloud platforms that power LLM workflows, API orchestration, and secure enterprise systems. You're building for AI. This isn't just cloud infrastructure work. You'll design the backbone for ML operations, model deployment, and API routing that connects internal systems with third-party AI services. Real seniority, real autonomy, real impact on how a nationally recognized firm modernizes. You will have a foundation in software development, before moving into cloud engineering/architecture, with recent experience deploying AI solutions. You code in Python, write SQL confidently, and have hands-on experience with LLMs in production or near-production settings. The package is $165,000-$205,000 base. You're joining a flagship portfolio company with serious backing and serious growth ahead.

Develop and scale full-stack trading platform systems with a focus on performance and usability in a latency-sensitive environment. | Strong full-stack experience with JavaScript/TypeScript, React, Node.js, NestJS, and microservices, plus ability to work autonomously and closely with end users. | This role sits within a proprietary trading platform focused on real-time, user-facing GUI applications used by traders and internal teams. You’ll develop and scale full-stack systems where performance, usability, and reliability are immediately visible. The interfaces you build support live decision-making, so improvements to speed or design have a direct impact. There’s strong ownership here. The team is growing, creating opportunities for greenfield work alongside meaningful improvements to existing systems. You’ll design features end-to-end, contribute to architecture, and refine applications for performance in a latency-sensitive environment. The firm trades its own capital, so engineering works directly with traders and stakeholders rather than through layers of external clients. You’ll partner closely with users to understand workflows and build practical, high-impact solutions. The ideal background is strong full-stack experience with JavaScript/TypeScript. On the front end, React is key for building responsive interfaces. On the back end, experience with Node.js, NestJS, and microservices is important. Comfort working in complex systems and improving them without disruption is critical. This is a highly autonomous role spanning the full development lifecycle. It’s a strong fit for someone who enjoys building user-facing systems and working closely with end users. The role sits in Chicago with a hybrid model. Compensation is $150-200k base.