Senior Software Engineer; Backend development - SQL​/Node​/AWS

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Pillar 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.

Accomplished Tech Visionary:

Elevate your expertise to new heights at 3

Pillar, the premier destination for trailblazing senior software engineers like yourself. Picture collaborating with industry leaders, spearheading transformative projects that redefine urban living, establishing new media channels for enterprise companies, or driving innovation in healthcare. Our mission is to revolutionize the tech landscape, and your skills are integral to achieving this ambitious goal.

Your role extends beyond the realm of code composition; you will architect transformative solutions that reshape entire industries. Join us and spearhead the charge toward a tech future that transcends the ordinary.

• Primarily responsible for analyzing data integrity challenges including investigating, correcting, and monitoring data (SQL) to help identify and address key data issues. Must be comfortable remedying data integrity issues and identifying root cause analysis by going primarily through SQL/logs, and if needed via code.
• Facilitate effective communication with client project stakeholders regarding project status and recommendations.
• Craft client code that is not just efficient, but also performant, testable, scalable, secure, and of the highest quality.
• Actively participate in accurate planning and estimation efforts, utilizing project methods and tools.
• Proficiently gather requirements and organize/present developed features for clients.
• Execute complex activities within the current methodology and quality standards, showcasing success across diverse engagements.
• Promote client success across the team by collaborating with engineers, designers, and managers to understand user pain points, anticipate potential problems, and iterate on solutions that drive client success.
• Engage in agile software development, including daily stand‑ups, sprint planning, team retrospectives, and other governance activities.
• Actively participate in the Engineering Practice community, mentoring others through Communities of Practice (CoPs) or on project teams, and supporting the growth of technical capabilities.
• Independently drive project delivery within defined architecture, demonstrating autonomy and accountability in all stages from conceptualization to deployment.

• Experience/expertise in the following areas specified below:
  • Design and implement scalable backend services and APIs using Node.js
  • Utilize serverless services, namely AWS services such as Lambda, API Gateway, DynamoDB, or RDS for robust backend infrastructure
  • Collaborate with cross‑functional teams to define and execute on technical requirements
  • Optimize system performance and troubleshoot issues
  • Stay updated with the latest Node.js and AWS technologies to drive continuous improvement
  • Sift through logs and query DynamoDB/RDS data stores to analyze data errors and inconsistencies, perform root cause analysis by investigating code and then fix the data issues and remedy the code.
• Experience in Agile software development methodologies.
• Expertise in applying Object‑Oriented Programming principles (abstraction, encapsulation).
• High‑level design proficiency following UML/C4/Archi Mate.
• Experience in creating and implementing well‑tested, scalable, and performant enterprise‑level systems.
• Practice and initiative mentoring other engineers and decision‑makers throughout the organization.
• Good understanding of SOLID principles.
• Familiarity with OWASP.
• Proficiency in the English language.