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Senior Software Engineer -Java( AI+Telecom)

3Pillar Global • Artificial Intelligence • IT Consulting & Digital Transformation • Java • SQL • C++ • 2 months ago
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Salary
≈ $115k – $200k per year (Estimated)
Location
Remote (India)
Seniority
Senior · 5+ years exp
Visa
Filed H-1B visas in the last two years
Employment
Full-Time

First seen by Alion on Aug 18, 2026. 3Pillar Global scores B on the Alion truth index.

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3Pillar Global

3Pillar Global is an American product development company founded in 2006 that builds digital products for media, healthcare, financial services and information businesses. It works as an outsourced product engineering partner rather than a staffing supplier, taking responsibility for discovery, design and delivery of software its clients then operate as revenue-generating products. Headquartered in Fairfax, Virginia with delivery centres in Romania, Moldova, India and Latin America, it employs several thousand engineers and product specialists.
3pillar.ai • HQ: Fairfax, United States • IT Outsourcing & Dedicated Teams • IT Consulting & Digital Transformation • Custom Software Development • 1001-5000 employees • Est. 2006
Tech stack of 3Pillar Global
Backed by Stellus Capital Management

3PILLAR GLOBAL Company

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.

We work with clients to build incredible innovative products as their development partner whose solutions drive rapid revenue, market share, and customer growth for industry leaders in Software and SaaS, Media and Publishing, Information Services, and Retail. Our key differentiator is our Product Mindset and Lightwave Methodology. Our development teams focus on building for outcomes and all of our team members around the globe are trained on the Product Mindset’s core values - Minimize Time to Value, Solve for Need, and Excel at Change. Our teams apply this mindset to build digital products that are customer-facing and revenue-generating. Our business-minded approach to agile development ensures that we align to client goals from the earliest conceptual stages through market launch and beyond.

WHAT WE BELIEVE

At 3Pillar, our core values - Intrinsic Dignity, Outsized Impact, Open Collaboration, and Continuous Improvement - drive our commitment to providing best in class product development services to high growth businesses across the globe. We’ve spent more than fifteen years building innovative software solutions. Our executive team has always held our values to the highest standard which has led to active participation on the Forbes Tech Council, a winner of the Ernst & Young Entrepreneur of the Year Award, and a spot on the Washington Business Journal’s Women Who Mean Business list

Key Responsibilities

  • Craft client code that is not just efficient but also performant, testable, scalable, secure, and of the highest quality.
  • 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.
  • Execute activities within the current methodology and uphold the highest quality standards.
  • Foster collaboration with fellow engineers, designers, and managers to comprehend user pain points and iterate on solutions that drive client success.
  • Take ownership of projects, from technical design to a successful launch.
  • Engage in agile software development, including daily stand-ups, sprint planning, team retrospectives, and other governance activities.

    • Minimum Qualifications

  • A minimum of 5+ years of experience/expertise in the following areas specified below
  • , Java 21, Spring Boot, Redis/Redisson, Oracle, PostgreSQL, NoSql, Characterization Testing, Telecom Protocols Proven track record of Design, development and implementation of Java based large volume, high availability enterprise applications Strong Core Java, micro-services knowledge including multi-threaded application development
  • Experience on exception handling, correct use of data structures, multi-threaded programming, memory management and application tuning
  • Experience with Spring and ORM technologies
  • Must have knowledge on C++ to understand legacy systems.
  • Good hands on experience with Oracle, PostgreSQL, NoSQL & have ability to write data structures, basic SQL Queries & knowledge of joins, Views, Group By, Having Clause etc
  • Able to understand telecom protocols (SS7,Diameter etc.).
  • Must have excellent exposure in Unit Testing Java and key Java-based frameworks (Spring, Spring boot, Hibernate, Apache, etc)
  • Experience in engineering software systems of medium-to-large scope and complexity.
  • Familiarity with Agile software development methodologies.
  • Experience in building frontend/backend applications at scale.
  • Partners up with TL to improve processes, ensure delivery success, raise project risks
  • Requirement analysis, Coding, design, implementation, testing, problem analysis and resolution, and technical documentation.
  • Proficiency in the English language;

  • Additional Experience Desired:

  • Knowledge of source control tools.
  • Understanding of Software Development Life Cycle (SDLC).Proficiency in Object-Oriented Programming (inheritance, polymorphism, classes, instances, properties).
  • Knowledge of protocols like HTTP, and serialization formats like JSON and XML.
  • Knowledge of document databases
  • Experience with Unit testing.

    • What it is like to work at 3Pillar

  • At 3Pillar, we offer a world of opportunity's
  • 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!
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