> Markdown version of [/jobs/ext/3776124-principal-software-engineer-full-stack-engineer](https://www.wearedevelopers.com/jobs/ext/3776124-principal-software-engineer-full-stack-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Software Engineer / Full Stack Engineer - **Company:** Eliassen Group - **Location:** Westlake, TX, United States - **Salary:** $156,000.0 - $176,800.0 - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Agile Methodology, Amazon S3, Data Analysis, Acceptance Test-Driven Development, Automation of Tests, CA Workload Automation Ae, Batch Processing, Code Review, Databases, Continuous Integration, Extract Transform Load (ETL), Data Systems, Database Design, Database Development, Oracle Data Guard, DevOps, Oracle Exadata, Online Transaction Processing, Oracle Databases, Oracle (Applications), Oracle SQL Developer, Performance Tuning, Regression Testing, Recovery Manager (RMAN), Software Engineering, Product Software Implementation Methods, PL-SQL, SQL Databases, Test Case, Snowflake, Database Performance, Data Management - **Published:** October 16, 2026 - **Apply:** https://www.juju.com/job/16_0d131a913 ## About the Role Due to client requirements, applicants must be willing and able to work on a w2 basis. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance., * Deep expertise in Oracle SQL and PL/SQL development, including complex queries, packages, triggers, and performance tuning. * Strong hands-on Oracle Exadata engineering experience, including Smart Scan, Storage Indexes, HCC, partitioning, and parallel query execution. * Proven experience with Oracle database architecture and administration concepts such as RAC, ASM, Data Guard, RMAN, and AWR/ASH analysis. * Experience in data analysis, data modeling, schema design, and implementation of high-performance data APIs. * Expertise in diagnosing and tuning performance bottlenecks across SQL, PL/SQL, storage, and infrastructure layers. * Experience building and optimizing batch processing using ETL/Informatica, Autosys, or Oracle-based scheduling frameworks. * Understanding of fundamental design principles for scalable, resilient, and maintainable applications. * Experience with ATDD and automated tests for database and application code. * Exposure to cloud and modern data technologies such as Snowflake, AWS S3, and hybrid data platforms. * Experience in Agile environments with CI/CD pipelines, automated testing, and DevOps practices. * Ability to translate business use cases into robust technical solutions and provide technical leadership and mentorship. ## Description * Lead the design and implementation of software and database solutions that meet functional and non-functional requirements. * Serve as a technical leader for Oracle database engineering with a focus on Exadata optimization, scalability, reliability, and performance tuning. * Design and develop robust SQL/PLSQL-based services, data APIs, and batch frameworks supporting critical OLTP workflows. * Conduct application and database design reviews, code reviews, and performance optimization efforts. * Drive engineering best practices for database development, ATDD, CI/CD, automated testing, and production readiness. * Partner with global teams to establish standard methodologies for software engineering and database performance management. * Engage in product quality efforts, including test case development, regression testing, and automation to improve release quality. * Identify opportunities to improve performance, reliability, observability, and operational efficiency across database and application ecosystems. * Mentor engineers on Oracle best practices, Exadata optimization strategies, and full-stack engineering approaches.