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Senior Full Stack Engineer - .NET/React

Remote, USA Full-time Posted 2026-06-17

Accomplished Tech Visionary:

Elevate your expertise to new heights at 3Pillar, 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.

Accomplished Tech Visionary:  Elevate your expertise to new heights at 3Pillar, 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. Key Responsibilities
  • 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.

  • Minimum Qualifications:

    -A minimum of 5+ years of experience/expertise in the following areas:

  • Backend

  • .Net

  • Python

  • Frontend

  • ReactJS

  • JavaScript / TypeScript

  • Database

  • MySQL

  • SQL (queries, indexing, joins, etc.)

  • Testing

  • JUnit

  • Mockito

  • JUnit Jupiter

  • API & Data Exchange

  • Microservices

  • RESTful APIs

  • JSON

  • Authentication

  • Understanding of authentication/authorization mechanisms

  • Familiarity with OAuth 2.0, JWT, or Microsoft identity (Azure Active Directory)

  • Version Control & Collaboration

  • Git

  • Agile / Scrum methodology

  • General Knowledge / Nice to have

  • Basic knowledge of Cloud platforms (Azure)

  • Familiarity with CI/CD pipelines

  • Understanding of DevOps practices (deployment, scripting, basic system operations)

  • -Experience in Agile software development methodologies.

    -Expertise in applying Object-Oriented Programming principles (abstraction, encapsulation).

    -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.

    -Proficiency in the English language.

    Additional Experience Desired:
  • Experience with Azure cloud services

  • Familiarity with OpenAPI specifications

  • Familiarity with monitoring tools like Grafana and Prometheus

  • Experience using database backup tools

  • Experience working with API Gateways

  • Understanding of authentication/authorization protocols (e.g., LDAP, OAuth)

  • Experience with MDC (Mapped Diagnostic Context) logging and log aggregators (e.g., Graylog, VictoriaMetrics)

  • Benefits:
  • Medical Insurance benefits as per company policy.
  • Life Insurance as per company policy
  • 15 days of paid vacation as per local law
  • Paternity and maternity leave as per as per local law
  • Marriage, bereavement and graduation leaves as per company policy
  • Paid holidays as per local law
  • Christmas and Middle year bonuses as per local law
  • Discounts in local shops
  • Direct deposit of payroll.
  • #LI-Remote

    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! Check out our Linkedin site and Careers page to learn more about what it’s like to be part of our #oneteam! Apply To This Job

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