Senior Software Engineer, React/Node.js

Zartis

full-time

Posted on: 1/28/2026

Location Type: Hybrid

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About the role

You will join the Billing team, an integral part of the client's Energy Retail platform. The mission of this team is to reduce retailers' debt risk by enabling them to send accurate, compliant, and timely bills in a cost-effective manner.
From day one, you will be involved in various team activities, including development, design, support, and testing. While we don’t expect you to have extensive domain knowledge, you will have the opportunity to build your expertise with guidance from our experienced engineering team.

Strong proficiency in TypeScript and Node.js.
Experience building and maintaining frontend applications with React.
Familiarity with cloud platforms, ideally AWS.
Some experience or exposure to event-driven systems or message queues (e.g. Kafka, SQS).
Solid experience with CI pipelines, SQL, and Infrastructure as Code (e.g., Terraform).
Experience in software delivery within agile teams.
Strong knowledge of test approaches and experience in creating unit and integration tests as part of the development cycle.
A quality-focused mindset with strong analytical problem-solving skills.
Ability to work collaboratively with a range of technical skill levels in the team, providing guidance and mentorship as needed.
Thorough understanding of support processes and observability.
Nice to have:
Experience with Datadog.
Experience working with Temporal.io.

Benefits

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Hard Skills & Tools

TypeScriptNode.jsReactAWSKafkaSQSCI pipelinesSQLInfrastructure as CodeTerraform

Soft Skills

analytical problem-solvingcollaborationguidancementorshipquality-focused mindset