Java Technical Lead

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.

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.

• A minimum of 8+ years of experience/expertise in the following areas specified below*:

  • Deep understanding of telecommunications domain.

  • Java 21, Spring Boot, Redis/Redisson, Oracle, PostgreSQL, NoSql, Characterization Testing, Telecom Protocols

  • Knowledge of C++, Docker, Kubernative, Kafka

  • 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

  • Technical responsibility over the solutions delivered

  • Cross-team involvement

  • Involvement in the architectural activities at account level

  • Helps team remove roadblocks to successful delivery

  • Involved/driver of initiatives that provide value to client outside of day-to-day activities

  • Partners up with PDM to improve processes, ensure delivery success, raise project risks

  • Requirement analysis, Coding, design, implementation, testing, problem analysis and resolution, and technical documentation;

Additional Experience Desired:

• Object-Relational Mappers (ORMs)

• Architectural (Microservices, Serverless etc) and Design (Factory, Singleton, Observer etc) Patterns

• Unit Testing

• Working in the Cloud

• Containers using Docker/Kubernetes

• Specific client-engagement specified technologies, which will be determined and vetted at the time of the interview.