Note: The job is a remote job and is open to candidates in USA. Opensignal is the leading global provider of independent insight and data into network experience and market performance. They are seeking a Junior Data Engineer to join their Market Performance Group to transform raw data into valuable metrics that provide insights to analysts and customers.

Responsibilities

• Own and improve our big data pipelines in AWS Spark leveraging agentic AI tools
• Assemble large, complex data sets that meet business requirements, with engineering best practices in mind
• Build scalable and resilient data infrastructure, as well as tools to extract and transform data used by stakeholders and customers
• Work closely with our data scientists and our data engineers in the US East Coast to create and evolve products that measure market dynamics in the Telecommunication space that drive our customers short term marketing campaign tactics and their longer-term customer acquisition and retention strategies

Skills

• 1+ years of experience with building and optimizing big data pipelines in Apache Spark
• 1+ years of experience with Scala
• Advanced with relational SQL databases and SQL
• 1+ years of experience with one of DB: MSSQL, Postgres, AWS Athena (Presto), Redshift
• 1+ years of experience in writing unit tests
• Experience with AWS cloud services like EC2, S3, EMR or equivalent
• Strong analytic skills in working with unstructured datasets
• Experience in root cause analysis of data when asked to answer specific business questions
• Experience working with cross-functional teams
• Strong communication and collaboration skills
• Bachelor's degree
• Agentic AI coding using Codex or Claude
• Python or Java coding experience
• Experience with data pipeline / workflow tools i.e. Apache Airflow
• Experience in AWS solution architecture
• Experience in implementing complex clustering and classification models on large datasets to support new product development

Benefits

• Competitive compensation packages; including a long-term equity program.
• Comprehensive group benefits package.
• Company sponsored retirement savings plan.
• Professional development opportunities: education reimbursement, learning allowance, company-sponsored workshops, and more!
• Generous holiday allowance, sick leave, parental leave, flexibility including
• Summer Fridays, and the opportunity to work from abroad.
• Charity matching and time off for community volunteering.
• Regular virtual and in-person events and socials.

Company Overview