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Senior Data Engineer

ACV

ACV

Data Science
Buffalo, NY, USA · Remote
USD 130k-170k / year
Posted on Oct 21, 2025
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Who we are looking for:

We are seeking a talented data/database professional as a Senior Data Engineer to join our Data Engineering team. This role requires a strong focus and experience in software development, cloud based technologies and a strong desire to learn complex systems and new technologies. It requires a sound foundation in database and infrastructure architecture, deep technical knowledge, excellent communication skills, and an action-based philosophy to solve hard software engineering problems.

As part of the Data Engineering team you will be responsible for maintaining and extending our database options, optimizing SQL queries, collaboration with teams on database support, and designing scalable data services. You will solve complex database challenges, be a key player in continually improving our databases, and work well in a rapidly growing changing engineering workplace.

What you will do:

  • Actively and consistently support all efforts to simplify and enhance the customer experience.
  • Maintain and extend (as required) existing database operations solutions for backups, index defragmentation, data retention, etc.
  • Influence company wide engineering standards for tooling, languages, and build systems.
  • Design, implement, and maintain scalable and high-performance data infrastructure solutions, with a primary focus on data.
  • Contribute, influence, and set standards for all technical aspects of a product or service including but not limited to, testing, debugging, performance, and languages.
  • Troubleshoot any Web Service or ETL stack (Python, Web APIs) outages during our operational support window.
  • Leverage monitoring tools to ensure high performance and availability; work with operations and engineering to improve as required.
  • Ensure existing HADR (availability groups) solution is functional and meets requirements.
  • Support development stages for application development and data science teams, emphasizing in Postgres database development.
  • Ensure that data development meets company standards for readability, reliability, and performance.
  • Collaborate with software and DevOps engineers to design scalable services, plan ature roll-out, and ensure high reliability and performance of our products.
  • Collaborate with internal teams on transactional and analytical schema design.
  • Conduct code reviews, develop high-quality documentation, and build robust test suites.
  • Own the overall performance of products and services within a defined area of focus.
  • Respond-to and troubleshoot highly complex problems quickly, efficiently, and effectively. This may include being part of the emergency after-hours on-call rotation.
  • Mentor junior data engineers.
  • Perform additional duties as assigned.

What you will need:

  • Ability to read, write, speak and understand English.

Bachelor’s degree in computer science, Information Technology, or a related field (or equivalent work experience)

  • 5+ years of experience building & supporting the database tier of SaaS web applications
  • 2+ years of experience with Cloud platforms preferably in AWS
  • In-depth knowledge of database architecture, performance tuning, and optimization techniques.
  • Hands-on experience with database replication, clustering, and high availability solutions.
  • Strong proficiency in SQL query writing and optimization.
  • Familiarity with database security principles and best practices.
  • Experience with database monitoring and diagnostic tools, preferably Data Dog.
  • Strong hands-on skills and the ability to drill deep into the complex system design and implementation.
  • Strong communication and collaboration skills, with the ability to work effectively in a fast paced global team environment.
  • ETL workflow implementation (Airflow, Python)
  • Experience working with:
    • SQL data-layer development experience; OLTP schema design
    • Using and integrating with cloud services, specifically: AWS RDS, Aurora, S3, GCP
    • Github, Jenkins,BigQuery, Redis, Python
  • Nice to Have Qualifications:
    • Experience with Airflow, Docker, Visual Studio, Pycharm
    • Experience with database management/administration with Postgres and/or MySQL
    • Knowledge of data warehousing concepts and technologies, including dimensional modeling and ETL frameworks

Compensation: $130,000.00-170,000.00 annually. Please note that final compensation will be determined based upon the applicant's relevant experience, skillset, location, business needs, market demands, and other factors as permitted by law.

No immigration or work visa sponsorship will be provided for this position.

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