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Senior Full-Stack Software Engineer (Python / React)

Role overview

Qualifications

  • Extensive senior-level professional experience in software engineering, with strong depth in Python and distributed systems.
  • Proven ability to own technical features from design through to production deployment with minimal supervision.
  • Deep understanding of system design, architecture, and the ability to solve ambiguous technical challenges.
  • Expertise with Git source control tools (Github, Gitlab or others)

Responsibilities

  • Craft client code that is not just efficient but also performant, testable, scalable, secure, and of the highest quality.
  • Ensure code is secure through Software Composition Analysis (SCA), and drive remediation through triaging, prioritization, remediation and verification.
  • Provide accurate status tracking, reporting, and estimation using project methods and tools.
  • Gather requirements, validate their understanding amongst the team, and create and maintain relevant documentation.

About the company

PointAbout Inc. logo

PointAbout Inc.

Software Development

PointAbout is now 3Pillar Global. VIsit us at http://www.3pillarglobal.com. You can also follow us on http://www.linkedin.com/company/3pillar-global The company creates iPhone, iPad, Android, Blackberry, and Windows Phone 7 applications for brands as well as enterprise internal use. We've designed and developed native applications for clients like the Social Security Administration, US Army, The Outdoor Channel, PBS, Arinc, the Washington Post, Intelsat, Carfax, Huffington Post, OnStar, Cars.com, and many others. We provide mobile strategy planning, advisory, ideation, mobile product concepting, and feature/release planning for consumer and enterprise mobile.

Company details

IndustrySoftware Development
Company size501 - 1000

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Job description

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 β€” 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 β€” doing work that is open, portable, and built to last. We are building the future of enterprise AI.

πŸ‘‹ Greetings, future tech savant: 

Embark on an exciting journey into the realm of software development with 3Pillar! We are looking for an experienced Senior Full-Stack Engineer to drive the modernization of our core platform. We need a pragmatic, senior-level engineer, comfortable across a Python backend and a React frontend on AWS, who can tackle complex technical debt, own architectural decisions, and help us scale our cloud-based system. If you are passionate about building scalable, maintainable distributed systems and want to make a tangible impact on a product used by a global customer base, this is the role for you.


Key Responsibilities:
  • Craft client code that is not just efficient but also performant, testable, scalable, secure, and of the highest quality.

  • Ensure code is secure through Software Composition Analysis (SCA), and drive remediation through triaging, prioritization, remediation and verification.

  • Provide accurate status tracking, reporting, and estimation using project methods and tools.

  • Gather requirements, validate their understanding amongst the team, and create and maintain relevant documentation.

  • Design and implement scalable AI and agentic workflows using LLMs, focusing on reliability and observability.

  • Build and maintain responsive, well-tested frontend features in React alongside backend services.

  • Work within an AI-driven development workflow, applying spec-driven development practices (writing clear specs/prompts that steer AI-assisted implementation) and using GitHub Copilot as a core part of the daily engineering workflow.

  • Execute activities within the current methodology and uphold the highest quality standards.

  • Partner directly with Product and Engineering leadership to translate complex business requirements into scalable technical solutions.

  • Identify and remediate technical debt to improve system stability, performance, and developer velocity.

  • Take ownership of projects, from technical design to a successful launch.

  • Participating in code reviews to maintain code quality and consistency.


  • Minimum Qualifications:
  • Extensive senior-level professional experience in software engineering, with strong depth in Python and distributed systems.

  • Proven ability to own technical features from design through to production deployment with minimal supervision.

  • Deep understanding of system design, architecture, and the ability to solve ambiguous technical challenges.

  • Expertise with Git source control tools (Github, Gitlab or others)

  • Expertise with Python package management (UV, Conda or others)

  • Experience with unit testing (Pytest).

  • Hands-on experience building production frontend applications in React, alongside backend services at scale.

  • Experience with managing Docker containers, and orchestration with Kubernetes and AKS.

  • Intermediate level design proficiency following UML / C4 / ArchiMate.

  • Experience in engineering software systems of medium-to-large scope and complexity.

  • Proficiency with relational databases.

  • Experience deploying and operating systems on AWS.

  • Working knowledge of GitHub Copilot (or similar AI coding assistant) and spec-driven development practices in an AI-assisted engineering workflow.

  • Familiarity with Agile software development methodologies.

  • Proficiency in the English language.


  • Additional Experience Desired:
  • Knowledge of Python web frameworks (Flask or others)

  • Knowledge of Snowflake

  • Experience with Agentic frameworks (e.g., MCP, A2A)

  • Knowledge of workflow orchestration platforms (Apache Airflow, Automic Automation or others)

  • Knowledge of protocols like HTTP, and serialization formats like JSON and XML.

  • Knowledge of SCA platforms (Github Advanced Security, Snyk, Checkmarx or others)

  • Familiarity with other AI coding agents (Claude Code, Cursor, etc.) beyond Copilot.

  • Proficiency in Object-Oriented Programming (inheritance, polymorphism, classes, instances, properties).

  • What is it like working for 3Pillar Global?

    At 3Pillar, we offer a world of opportunity:

    • Imagine a flexible work environment – whether it's 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’re 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! πŸŒπŸ’Ό  Check out our Linkedin site and Careers page to learn more about what it’s like to be part of our #oneteam! 

     

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    MR

    Marcus Rivera

    Chief Revenue Officer

    m.rivera@company.com
    linkedin.com/in/marcusrivera
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