Sr Data developer

Description

Life at Ness

At Ness, people come first. Here, you'll be part of a vibrant team that values curiosity, innovation, and growth. We work with industry-leading clients on projects that truly make an impact while supporting every team member in carving out their unique career path. With resources for learning, certifications, and hands-on experiences, Ness offers you more than just a job—it’s a place where your ideas, ambition, and well-being matter.

The Role

As a Senior PL/SQL Developer, you will architect, optimize, and maintain complex database solutions across OLAP and Enterprise Data Warehouse environments. You’ll work closely with cross-functional teams to ensure high-performing, scalable, and reliable data systems that support enterprise-level decision-making.

Key Responsibilities

Develop and enhance PL/SQL programs supporting OLAP and Data Warehouse initiatives.

Analyze data patterns, perform data validations, and ensure overall data quality.

Optimize SQL queries and resolve performance issues across large datasets.

Design and implement ETL/ELT data population strategies for Star and Snowflake Schemas.

Support end-to-end data workflows and contribute to architectural discussions.

Collaborate with technical teams on scalable DWH solutions and process improvements.

Work on high-impact projects using emerging technologies such as Big Data and AWS.

Qualifications and Skills

4–5 years of hands-on PL/SQL development experience in OLAP and DWH environments.

Strong command of SQL tuning, query optimization, and debugging.

Solid understanding of data quality, data analysis, and visualization of data trends.

Experience building and managing Star/Snowflake Schema-based data models.

Familiarity with Big Data tools and AWS stack components.

Practical experience with version control and modern development practices.

Excellent communication, analytical thinking, and problem-solving skills.

Bachelor’s or Master’s in Computer Science, Engineering, or related field.

Core Skills

PL/SQL Development

SQL Query Optimization

OLAP & Data Warehousing

ETL/ELT Design

Star & Snowflake Schema Modeling

Performance Tuning

Data Quality & Validation

Debugging & Troubleshooting

Nice to Have

Exposure to AWS-based data platforms

Experience with Big Data ecosystems

Knowledge of automation frameworks for DWH validation

Familiarity with CI/CD pipelines for data environments

What Makes You a Great Fit

Strong ownership mindset with a focus on delivering reliable, high-quality database solutions.

Ability to break down complex data challenges into clear, actionable steps.

Passion for performance tuning and building efficient, scalable systems.

Comfortable working across teams and simplifying technical concepts for others.

Continuous learner who stays curious, adaptable, and open to new technologies.

Why Join Us

At Ness, you will work with diverse, talented professionals who are dedicated to making an impact through technology. We encourage applicants of all backgrounds to apply—even if you don’t meet every requirement, we’d love to connect with you if this role excites you. We’re committed to creating an inclusive workplace that celebrates each team member’s unique talents.

With flexible remote options, diverse projects, and access to development resources, joining Ness means building a career that’s meaningful and impactful.

What to Expect Next

We believe great experiences start with transparency—and that includes our hiring process. Here’s what you can typically expect after you hit "Apply"

• HR Interview – A conversation to get to know you better and align on expectations

• Technical Interview – A chance to showcase your skills and experience

• Client Interview – Ensuring mutual fit between you and the client team

• Offer Stage – If everything aligns, we’ll be happy to make it official

While many of our roles involve just 2–3 steps, some client processes may include additional conversations. Regardless of the path, we aim to keep every step transparent and respectful of your time.

Ready to Start Your Journey?