freelance data science engineer python sql jobs in Wellington

Qjumpers in Wellington is seeking an experienced Quality Assurance Engineer with a data focus. You will validate data transformations, reconciliations, and mappings across data platforms, and perform QA for data warehouses and lakes.You will develop and maintain test automation and data validation scripts in Python, write complex SQL queries, and collaborate...

DataCraft Analytics seeks an experienced Analytics Engineer based in Wellington or Whanganui to manage data pipelines and warehouses, turning data into actionable insights for customers.The role uses Snowflake, Azure SQL Database, Microsoft SQL Server and T-SQL, with Python and Power BI as valuable additions. Collaboration with analysts and engineers and...

Data Science Expert – AI Content Specialist About The Role What if your data science expertise could directly shape how the world's most advanced AI models reason, code, and solve problems? At Alignerr, we partner with leading AI research labs to train and improve cutting-edge language models — and we need sharp data scientists to help us do it. This is...

Are you a recent graduate passionate about data and cloud technology? Join DataSing as a Graduate Data Engineer and kick-start your career working on real projects with experienced mentors.What you'll doLearn Azure data platform technologies hands-onContribute to production data pipelines and solutionsWork alongside senior engineers on client projectsBuild...

Alignerr Corp. seeks a Data Science Expert – AI Content Specialist to design high‑level data science problems and craft gold‑standard solutions for leading AI models. You will author rigorous, step‑by‑step technical work including Python/R scripts, SQL queries, and mathematical derivations that serve as the definitive answers.This is a fully...

Job Title: Data Scientist Job Type: Contractor Location: Remote Role Overview Partnering with a leading AI research organization to engage experienced data scientists for a project focused on evaluating how well AI systems perform real-world data science work. Rather than producing deliverables yourself, you will define what excellent work looks like:...

We're looking for a Senior Data Engineer to join our Wellington team. You'll work on complex data platform builds using Azure Synapse, Databricks, and Data Factory for some of New Zealand's most important organisations. What you'll do Design and build production data pipelines on Azure Work directly with government agencies and enterprise clients Mentor...

What is the purpose of the Senior Data Engineer's role? The Senior Data Engineer’s purpose is to lead Snapper’s data approach in an architectural way, building an asset that scales and leading the team with deep experience in large-scale data warehouses, from the ground up. This is an experience-based role in our data team: the role is a expert...

Senior Data EngineerDataTorqueWellington Central, WellingtonDatabase Development & Administration (Information & Communication Technology)Full time - Salary undisclosedAbout UsWe’re a New Zealand company helping governments around the world modernise their tax systems. Our clients span South America, the Caribbean, the Pacific, and Europe. We’re proud to...

TSB is seeking an experienced Quality Assurance specialist with a strong focus on data testing. You will validate data transformations, reconciliations and mappings across platforms, and support ETL/ELT testing to ensure data quality throughout the pipeline.You will write complex SQL, develop Python validation scripts, and collaborate with data engineers,...

Key ResponsibilitiesDesign, develop, and maintain scalable data solutions on Snowflake .Build robust ETL/ELT pipelines for structured and semi-structured data.Develop high-quality and reusable SQL-based data transformations and engineering frameworks.Design dimensional and analytical data models to support reporting, analytics, and AI use cases.Build and...

Senior Data Engineer# Careers## Senior Data EngineerApply: Westpac on Takutai Square: Hapori Pōneke: Full time: Posted Today: End Date: November 13, 2026 (9 days left to apply): JR108190**Mō te tūranga | About the Role** We're looking for a highly skilled Senior Data Engineer to combine deep hands-on engineering expertise with technical...

Lead the design and delivery of enterprise data solutions that support decision-making, analytics, and AIPlay a key role in shaping NZTA's modern data platform and engineering practicesCoach and mentor data engineers while influencing technical excellence across the organisationPermanent, full-time position - can be based in any NZTA office locationJoin NZTA...

# Senior Data Engineer at New Zealand Transport Agency, Wellington## Mō tēnei tūranga mahi | About this role* Lead the design and delivery of enterprise data solutions that support decision-making, analytics, and AI* Play a key role in shaping NZTA's modern data platform and engineering practices* Coach and mentor data engineers while influencing...

Job Title: Data Scientist Job Type: Contractor Location: Remote Role Overview Partnering with a leading AI research organization to engage experienced data scientists for a project focused on evaluating how well AI systems perform real-world data science work. Rather than producing deliverables yourself, you will define what excellent work looks like:...

Mō te tūranga | About the Role We're looking for a highly skilled Senior Data Engineer to combine deep hands-on engineering expertise with technical leadership and AI-driven innovation. We're looking for a highly skilled Senior Data Engineer to combine deep hands-on engineering expertise with technical leadership and AI-driven innovation. This is a senior...

Worker Type: PermanentHere at BNZ, it's about more than just banking. We work together in an agile, energising environment to create innovative solutions through our promise "If you can imagine a better future, let's find a way."We support wellbeing, flexible working and have a generous leave offering. No two days are the same.Ko mātou tēnei | This is UsAs...

Locations can be either Auckland, Wellington or New Plymouth About the Role Who are you? You're an experienced technical tester with a strong background in data-focused testing and quality assurance. You enjoy getting into the detail, understanding how data flows through systems, and making sure it's accurate, reliable and fit for purpose. You're comfortable...

You're an experienced technical tester with a strong background in data-focused testing and quality assurance. You enjoy getting into the detail, understanding how data flows through systems, and making sure it's accurate, reliable and fit for purpose. You're comfortable working across technical and business teams, asking the right questions, and using your...

About Rise Data Labs Rise Data Labs is a leading AI training and data annotation company that specializes in creating high-quality training data for artificial intelligence systems. We work with top AI companies and research institutions to improve machine learning models through expert human annotation and validation. About Rise Data Labs Rise Data Labs is...