Sep 20, 2026 8 hr. ago

Senior Software Engineer REQ_109

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Sep 20, 2026 8 hr. ago

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3Pillar Group Senior Software Engineer REQ_109

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3Pillar is an AI transformation partner on a mission to help enterprises build the AI-native products and intelligent agents that will define the next era of business. With teams across North America, Europe, Latin America, and Asia, we work with the most ambitious companies in financial services, healthcare, media, and technology — helping them move faster, modernize boldly, and compete on their own terms. Our HelixAI platform and Helix Pods delivery model put our engineers at the center of real agentic transformation — doing work that is open, portable, and built to last. We are building the future of enterprise AI.Senior Software Engineer, Data Services (.NET / Python) Location: United States, remote. Team: Innovation Team, Data Services pod. Accomplished Tech Visionary: Elevate your expertise to new heights at 3Pillar, the premier destination for trailblazing senior software engineers like yourself. You will join the pod that owns the downstream half of a large-scale infrastructure data platform: capturing a high-volume telemetry stream, contextualizing it against systems of record, modeling it, and exposing it through APIs and telemetry feeds that other products depend on. Your role extends beyond the realm of code composition. You will architect transformative solutions that reshape entire industries, and here that means building the services and APIs that turn a firehose of raw infrastructure data into something the business can actually query, join, and act on. Key Responsibilities: <ul style="margin-top:0;margin-bottom:0;"><li dir="ltr" style="list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:rgb(0,0,0);background-color:transparent;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;margin-left:-6pt;">Develop and implement UI components using React, building reusable components and front-end libraries for future use.<span style="font-size:11pt;font-family:Arial, sans-serif;color:rgb(0,0,0);background-color:transparent;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;"> </li><li dir="ltr" style="list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:rgb(0,0,0);background-color:transparent;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;margin-left:-6pt;">Build and maintain backend API endpoints in the pod's core language, .NET and Python depending on the service.<span style="font-size:11pt;font-family:Arial, sans-serif;color:rgb(0,0,0);background-color:transparent;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;"> </li><li dir="ltr" style="list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:rgb(0,0,0);background-color:transparent;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;margin-left:-6pt;">Craft client code that is not just efficient but also performant, testable, scalable, secure, and of the highest quality.<span style="font-size:11pt;font-family:Arial, sans-serif;color:rgb(0,0,0);background-color:transparent;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;"> </li><li dir="ltr" style="list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:rgb(0,0,0);background-color:transparent;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;margin-left:-6pt;">Optimize components for performance across supported browsers, and troubleshoot and debug issues to ensure smooth user experiences.<span style="font-size:11pt;font-family:Arial, sans-serif;color:rgb(0,0,0);background-color:transparent;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;"> </li><li dir="ltr" style="list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:rgb(0,0,0);background-color:transparent;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;margin-left:-6pt;">Write and maintain unit and integration tests for the code you own.<span style="font-size:11pt;font-family:Arial, sans-serif;color:rgb(0,0,0);background-color:transparent;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;"> </li><li dir="ltr" style="list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:rgb(0,0,0);background-color:transparent;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;margin-left:-6pt;">Provide accurate status tracking, reporting, and estimation using project methods and tools.<span style="font-size:11pt;font-family:Arial, sans-serif;color:rgb(0,0,0);background-color:transparent;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;"> </li><li dir="ltr" style="list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:rgb(0,0,0);background-color:transparent;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;margin-left:-6pt;">Gather requirements, validate their understanding amongst the team, and create and maintain relevant documentation.<span style="font-size:11pt;font-family:Arial, sans-serif;color:rgb(0,0,0);background-color:transparent;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;"> </li><li dir="ltr" style="list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:rgb(0,0,0);background-color:transparent;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;margin-left:-6pt;">Foster collaboration with fellow engineers, designers, and managers to comprehend user pain points and iterate on solutions that drive client success.<span style="font-size:11pt;font-family:Arial, sans-serif;color:rgb(0,0,0);background-color:transparent;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;"> </li><li dir="ltr" style="list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:rgb(0,0,0);background-color:transparent;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;margin-left:-6pt;">Participate in code reviews to maintain code quality and consistency.<span style="font-size:11pt;font-family:Arial, sans-serif;color:rgb(0,0,0);background-color:transparent;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;"> </li><li dir="ltr" style="list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:rgb(0,0,0);background-color:transparent;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;margin-left:-6pt;"><span style="font-size:11pt;font-family:Arial, sans-serif;color:rgb(0,0,0);background-color:transparent;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;">Take ownership of assigned work, from technical design through a successful release. <span style="font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;"> </li></ul> Minimum Qualifications: <ul style="margin-top:0;margin-bottom:0;"><li dir="ltr" style="list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;margin-left:-6pt;"><span style="font-size:11pt;font-family:DarwinSans;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;">5+ years of professional software engineering experience as a full-stack or front-end-leaning engineer.<span style="font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;"> </li><li dir="ltr" style="list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;margin-left:-6pt;"><span style="font-size:11pt;font-family:DarwinSans;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;">Proficiency in React and its core principles, including component design, state management, and common workflows such as Redux or an equivalent.<span style="font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;"> </li><li dir="ltr" style="list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;margin-left:-6pt;"><span style="font-size:11pt;font-family:DarwinSans;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;">Hands-on backend API development in .NET or Python, including REST endpoint design and consumption.<span style="font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;"> </li><li dir="ltr" style="list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;margin-left:-6pt;"><span style="font-size:11pt;font-family:DarwinSans;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;">Proficiency with relational databases and SQL.<span style="font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;"> </li><li dir="ltr" style="list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;margin-left:-6pt;"><span style="font-size:11pt;font-family:DarwinSans;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;">Knowledge of protocols like HTTP and serialization formats like JSON and XML.<span style="font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;"> </li><li dir="ltr" style="list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;margin-left:-6pt;"><span style="font-size:11pt;font-family:DarwinSans;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;">Familiarity with Agile software development methodologies.<span style="font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;"> </li><li dir="ltr" style="list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;margin-left:-6pt;"><span style="font-size:11pt;font-family:DarwinSans;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;">Knowledge of source control tools and the Software Development Life Cycle (SDLC).<span style="font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;"> </li><li dir="ltr" style="list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;margin-left:-6pt;"><span style="font-size:11pt;font-family:DarwinSans;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;">Beginner to intermediate level design proficiency following UML / C4 / ArchiMate.<span style="font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;"> </li><li dir="ltr" style="list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;margin-left:-6pt;"><span style="font-size:11pt;font-family:DarwinSans;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;">Proficiency in Object-Oriented Programming (inheritance, polymorphism, classes, instances, properties).<span style="font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;"> </li><li dir="ltr" style="list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;margin-left:-6pt;"><span style="font-size:11pt;font-family:DarwinSans;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;">Proficiency in the English language.<span style="font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;"> <span style="font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;"> </li></ul> Additional Experience Desired:<ul style="margin-top:0;margin-bottom:0;"><li dir="ltr" style="list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;margin-left:-6pt;"><span style="font-size:11pt;font-family:DarwinSans;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;">TypeScript and modern front-end tooling.<span style="font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;"> </li><li dir="ltr" style="list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;margin-left:-6pt;"><span style="font-size:11pt;font-family:DarwinSans;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;">Experience rendering large or streaming datasets in the browser, including charting and tabular data at volume.<span style="font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;"> </li><li dir="ltr" style="list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;margin-left:-6pt;"><span style="font-size:11pt;font-family:DarwinSans;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;">Exposure to caching layers such as Redis, and to document or time-series databases.<span style="font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;"> </li><li dir="ltr" style="list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;margin-left:-6pt;"><span style="font-size:11pt;font-family:DarwinSans;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;">Containers using Docker and Kubernetes.<span style="font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;"> </li><li dir="ltr" style="list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;margin-left:-6pt;"><span style="font-size:11pt;font-family:DarwinSans;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;">Experience with CI/CD pipelines and unit testing practice.<span style="font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;"> </li><li dir="ltr" style="list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;margin-left:-6pt;"><span style="font-size:11pt;font-family:DarwinSans;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;">Interest in data-heavy operational or monitoring products.</li></ul> What is it like working for 3Pillar Global? At 3Pillar, we offer a world of opportunity: ● Imagine a flexible work environment, whether it is the office, your home, or a blend of both. From interviews to onboarding, we embody a remote-first approach. ● You will be part of a global team, learning from top talent around the world and across cultures, speaking English everyday. Our global workforce enables our team to leverage global resources to accomplish our work in efficient and effective teams. ● We are big on your well-being. As a company, we spend a whole trimester in our annual cycle focused on wellbeing. Whether it is taking advantage of fitness offerings, mental health plans (country-dependent), or simply leveraging generous time off, we want all of our team members operating at their best. ● Our professional services model enables us to accelerate career growth and development opportunities across projects, offerings, and industries. ● We are an equal opportunity employer. It goes without saying that we live by values like Intrinsic Dignity and Open Collaboration to create cutting-edge technology AND reinforce our commitment to diversity, globally and locally. Join us and be a part of a global tech community! Check out our <a href="https://www.3pillar.ai/careers/career-opportunities/" target="_blank" rel="noreferrer noopener">Careers page</a> to learn more about what it is like to be part of our #oneteam.

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Senior Software Engineer REQ_109

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