• Work on features to increase the speed and functionality of our trading infrastructure: whether it's new trading algorithms, exchange integrations, performance improvements, or new features for the platform • Play an active role in executing our system architecture and roadmap • Collaborate with our Product Management team to form a plan of attack for new features, optimize performance of services and write tests • Grow to become an expert in understanding our entire trading systems and all associated services • Use deductive reasoning to solve complex problems that potentially exist beyond the scope of your local environment

• Experimentation and prototyping new features in our remote sandbox development environment to enable new capabilities in CI-related workflows. • Debugging workflow orchestration queueing delays and measuring the performance of our remote execution/cache infrastructure to improve correctness, reproducibility, and speed. • Identifying root causes of infrastructure-related reasons for test flakiness in CI. • Optimizing the speed of autoscaling our CI workers to handle a burst in CI workloads from our product engineering teams. • Up-leveling the observability and alerting of our CI platform across build systems, flaky test management systems, and our merge queue. • Building an improved canarying mechanism that will let us roll out workflow orchestration changes iteratively and safely.

• Reconcile and synchronize downstream compiler codebases with open-source repositories, including restructuring, refactoring, and upstreaming internal changes where appropriate • Lead efforts to restructure, merge, or retire internal code to reduce divergence from upstream open-source projects • Design and build infrastructure, tooling, and developer workflows that improve productivity, correctness, and maintainability for internal compiler engineers • Develop automation and developer tools to aid in rebasing, patch management, validation, and large-scale refactoring • Explore and apply AI-assisted tools to improve developer workflows, including code navigation, change analysis, refactoring assistance, testing, and review efficiency • Partner with compiler developers, architecture teams, and CI/test infrastructure teams to ensure changes scale across geographically distributed organizations • Serve as a technical bridge between internal compiler development and open-source ecosystems, helping shape long-term alignment strategies

Role Description Lead Infrastructure Engineers help clients build and evolve systems that client organizations use to deliver and run software. They are comfortable working within teams of people with diverse roles and levels of experience to find solutions that meet the needs of the organization. They combine technical expertise and understanding with consideration of different situational needs. They champion technical quality and effective ways of working as a means to better outcomes for clients, rather than an end in themselves. They help clients to understand agile ways of working and DevOps as a mindset for collaboration. - You will explore the client’s needs and drive the building of a technical roadmap and impactful solution that will support their ambitious business goals. - You will help shape and build Thoughtworks’ cloud and infrastructure practice through collaboration with business development, marketing, and capabilities development teams. - You will ensure and build the controls and processes for continuous delivery and evolution of infrastructure and applications, driving automation through all stages of the process. - You will take a leading role in monitoring and ensuring that technical expectations of deliverables are consistently met on projects. - You will provide expertise and guidance in the areas of DevOps, cloud, platform and infrastructure engineering, both internally and in client sites. - You will establish trusting and thoughtful partnerships with a client’s leadership across engineering and commercial functions. - You will lead the design and implementation of innovative solutions to current constraints and business policies. Qualifications - You can lead the collaborative design of enterprise and/or web-scale hosting platforms and can administer application servers, web servers and databases. - You have extensive experience of AWS cloud and virtualization platforms, infrastructure automation and application hosting technologies. - You have experience working with software delivery teams and understand DevOps philosophies, Agile methods, Infrastructure as Code and how to apply them to your work. - You regularly apply DevOps philosophy, Agile methods, Infrastructure as Code to your work and lead infrastructure and operations with these approaches. - You have a history of working with server virtualization, at least one IaaS cloud platform, and two or more application runtime platforms including physical servers, virtual servers, container clusters, serverless and databases. - You can write scripts using at least one scripting language and are comfortable with building one or more of: Linux servers, Windows servers or container clusters, and/or Windows servers systems. - Experience with continuous integration and continuous delivery tools with different tech stacks, web or mobile. - You’ve previously worked with monitoring systems for availability, performance or security, stress and performance testing with observability patterns: Distributed Tracing/OpenTracing, Log Aggregation, Audit Logging, Exception Tracking, Health Check API, Application Metrics, Self-Healing/Multi-Cloud. - You have an understanding of security concerns, threats and approaches for dealing with them, including infrastructure platform vulnerabilities, secrets management, network security and software supply chain security. - Bonus points if you have experience with unit testing and automated testing tools, stress and performance testing. Requirements - You genuinely enjoy interacting with teammates from across the business and have a knack for communicating technical concepts to nontechnical audiences. - You love creating robust, scalable, flexible and relevant solutions that help transform businesses and industries. - You’re comfortable partnering directly with leadership teams (CTO/CIO/COO) to design technical strategies while simultaneously collaborating with senior IT groups in an advisory capacity. - You adapt effortlessly to uncertainty, embrace change and confidently make decisions with limited information to achieve positive outcomes. Benefits - There is no one-size-fits-all career path at Thoughtworks: however you want to develop your career is entirely up to you. - Your career is supported by interactive tools, numerous development programs and teammates who want to help you grow. - We see value in helping each other be our best and that extends to empowering our employees in their career journeys. Company Description Thoughtworks is a dynamic and inclusive community of bright and supportive colleagues who are revolutionizing tech. As a leading technology consultancy, we’re pushing boundaries through our purposeful and impactful work. For 30+ years, we’ve delivered extraordinary impact together with our clients by helping them solve complex business problems with technology as the differentiator. Bring your brilliant expertise and commitment for continuous learning to Thoughtworks. Together, let’s be extraordinary.