Senior Software Engineer OpenSearch & Backend Systems

JAMES TIETCHEU Austin, TX

*****@***********.*** +1-551-***-**** LinkedIn Portfolio

PROFESSIONAL SUMMARY:

Software Engineer with progressive experience at Deloitte, demonstrating growth from Consultant to Senior Consultant, delivering enterprise-grade backend and full-stack solutions for large-scale systems.

Strong background in designing and implementing search, indexing, and data-matching services, including OpenSearch-based architectures supporting real-time data retrieval.

Proven expertise in Java and Spring Boot backend development, building scalable REST APIs integrated with relational databases and modern web applications.

Hands-on experience developing data processing pipelines, vectorization logic, and similarity matching algorithms, enabling intelligent search and analytics workflows.

Actively involved in end-to-end delivery, including system design, backend implementation, CI/CD integration, and production issue resolution.

Recognized for technical leadership through code reviews, mentoring, and award-winning contributions, supporting reliable enterprise releases.

Technical Skills:

Languages: Java, SQL

Frameworks & Libraries: Spring Boot, React, REST APIs

Databases & Search: PostgreSQL, MySQL, OpenSearch

Messaging & Streaming: RabbitMQ, Kafka

Platforms & DevOps: OpenShift, Linux Environments, CI/CD Pipelines

Version Control & Collaboration: Git, Bitbucket

Methodologies & Practices: Test-Driven Development (TDD)

PROFESSIONAL EXPERIENCE:

Deloitte — Austin, TX

Consultant Senior Consultant (Software Engineer)

May 2023 – Present

(Promoted to Senior Consultant in April 2025)

Responsibilities:

Designed, developed, and maintained a high-performance indexing and search platform using OpenSearch, enabling real-time retrieval of master data objects across distributed enterprise systems.

Architected field-level text vectorization pipelines, converting raw textual attributes into sparse vector representations using bigram generation, MurmurHash, and LSH MinHash techniques.

Implemented similarity scoring and relevance-ranking algorithms, supporting accurate entity matching and search result prioritization across large datasets.

Integrated OpenSearch using low-level REST and Java clients, enabling configurable indexing strategies, query tuning, and environment-specific search behavior.

Built and maintained RESTful backend services using Java and Spring Boot, supporting subscription workflows and secure integration with external and internal systems.

Led backend development efforts across multiple delivery teams, contributing to the modernization of a mission-critical web application serving millions of users.

Designed and implemented core backend APIs supporting enterprise data flows and integration with PWAs, BWAs, and third-party platforms using Java, Spring Boot, React, and MySQL.

Developed and supported batch processing workflows for scheduled database updates and time-driven data synchronization using Control-M and Secure-CRT.

Collaborated closely with DevOps teams to build, deploy, and monitor CI/CD pipelines, improving deployment stability, observability, and operational readiness.

Investigated and resolved complex production issues using Splunk log analysis, performed detailed code reviews, mentored engineers, and contributed to high-quality releases recognized through multiple Applause Awards.

Environment: Java, Spring Boot, Spring MVC, REST APIs, OpenSearch, PostgreSQL, MySQL, React, RabbitMQ, Kafka, OpenShift, CI/CD Pipelines, Git, Bitbucket, Linux Environments, Control-M, Secure-CRT, Splunk, Test-Driven Development, Agile/Scrum

Internship:

Software Engineering Intern

CBRE Technology Solutions - Austin, TX

September 2021 – August 2022

• Supported development of backend features for internal applications under guidance of senior engineers.

• Assisted in building and testing basic REST APIs using Java and Spring Boot.

• Wrote simple SQL queries to retrieve and update data in relational databases.

• Helped with bug fixes, code cleanup, and documentation to improve application stability and readability.

• Participated in code reviews and learned industry best practices for version control and collaboration using Git.

• Took part in Agile team meetings, gaining exposure to sprint planning and software delivery processes.

Environment: Java, Spring Boot, REST APIs, SQL, Git, Agile.

LEADERSHIP & HONORS:

Consultant, Oral G (August 2025 – Present): Established GitHub repositories, developed frontend components using React, implemented CI/CD pipelines with GitHub Actions, and supported AWS-based deployments.

CTO & Co-Founder, INT3LLO Sarl (2017 – 2020): Built and launched an online platform providing tutoring, career development, and mentorship services in Cameroon.

Fellow, America Needs You (2015 – 2017): Selected for a leadership and career development program for first-generation college students.

Fellow, Goldman Sachs College Collaborative Program (2016 – 2017): Participated in academic and professional development initiatives.

President, Honors Student Council (2016 – 2017): Led student initiatives focused on academic excellence and community engagement.

EDUCATION:

Columbia University, New York City, NY

Bachelor of Arts in Computer Science September 2017 – December 2020

Relevant Coursework: Advanced Programming, Data Structures and Algorithms, Discrete Mathematics, Linear Algebra, UI Design

Hudson County Community College, Jersey City, NJ

Associate of Science in Computer Science September 2015 – May 2017

GPA: 3.78

Honors & Awards: Phi Theta Kappa, National Society of Leadership and Success

Scholarships: Alfred and Antoinette Golden Scholarship, Ruddys Andrade Scholarship, R&D Council Merit Scholarship

Certifications:

AWS Certified AI Practitioner

Languages & Interests:

French (Native)

Soccer, Tennis, Swimming, International Travel, Cultural Exploration

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