Senior Software Engineer – APIs

Unacast

Senior Software Engineer developing customer-facing and internal APIs for Unacast's location intelligence analytics. Translating business problems into technology solutions with a focus on fast querying of large datasets.

Posted 5/2/2026full-timeRemote • Colorado, Connecticut, Florida, Illinois, Iowa, Maryland, New Jersey, New Mexico, New York, North Carolina, Pennsylvania, Rhode Island, South Carolina, Texas, Virginia, West Virginia • 🇺🇸 United StatesSenior💰 $120,000 - $145,000 per yearWebsite

Tech Stack

Tools & technologies

AWSJavaPythonScalaSpringSQL

About the role

Key responsibilities & impact

Collaborate with product development and other teams to translate business initiatives into concrete technical requirements.
Create innovative solutions to support partners and customers by building applications that deliver required functionality while adhering to best practices in development and testing.
Work with the engineering team on the optimal design and maintenance of the large Snowflake data lake that powers the APIs.
Create quality internal and external documentation for your work.
Create data, metrics and visualizations, as needed, for complex algorithm verification and optimization.

Requirements

What you’ll need

5+ years’ experience in Java 8 and higher software development with the Java Spring Framework used for REST APIs.
Excellent SQL database skills ranging from database initial creation and design, table design, automated load and maintenance processes, and efficient querying.
Snowflake SQL is strongly preferred.
Proficiency working in Amazon Web Services (AWS) and utilizing its many services.
Experience processing data efficiently in JSON and GeoJSON.
Proficiency in programming languages such Scala, Python or other similar programming languages.
Demonstrated ability to quickly and efficiently break down larger projects to smaller tasks, and handle multiple projects and tasks at the same time.
Experience in software or engineering projects from ideation, through development and into production.
Proficiency in Agile methodologies.
Strong communication skills and fluency in English.

Benefits

Comp & perks

Unlimited PTO
Competitive salaries and benefits

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Java 8Java Spring FrameworkREST APIsSQLSnowflake SQLAmazon Web ServicesJSONGeoJSONScalaPython

Soft Skills

communicationproject managementproblem solvingcollaborationdocumentation