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Senior Software Engineer - Scala (Market Gateway)

Kraken
Melbourne, Australia
Full Time
Posted February 10, 2026
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Job Description

A Senior Software Engineer specializing in Scala and Python, responsible for developing and maintaining Kraken's Market Gateway services that enable communication with regulated utility markets using various message formats and protocols. The role involves working on backend services, implementing industry standards, and contributing to innovative energy management platforms.

Key Responsibilities

  • Build and maintain Kraken's Market Gateway services for regulated message formats and protocols
  • Develop internal backend services communicating via HTTP and implementing external specifications like SOAP, AS4, email, JSON over HTTP, XML over HTTP, and SFTP
  • Work with technologies such as Scala, Python, Kafka, Postgres, nginx, and Kubernetes to support backend infrastructure
  • Implement infrastructure as code using OpenTofu (Terraform fork) to manage deployment and environment configurations
  • Collaborate with cross-functional teams to deliver innovative solutions that enhance customer experience and operational efficiency

Requirements

  • Proven experience working as a backend developer with a focus on internal services that communicate via HTTP, implementing specifications such as SOAP, AS4, email, JSON over HTTP, XML over HTTP, and SFTP.
  • Experience working with services written in Python and Scala, with a strong understanding of the Typelevel ecosystem for Scala and FastAPI and Pydantic for Python.
  • Hands-on experience with open source backend technologies such as Apache Kafka, Postgres, nginx, and Kubernetes.
  • Experience with infrastructure as code using OpenTofu (the FOSS fork of Terraform).
  • Passion for coding, curiosity, and eagerness to learn new technologies and improve skills.
  • Ability to work collaboratively alongside a multidisciplinary engineering team, including server-side, client-side, and mobile engineers, UX experts, copywriters, and designers.
  • Strong problem-solving skills with technology to improve industry and customer outcomes.
  • Excellent communication skills to implement and adapt to various message formats and protocols as required by different client specifications.
  • Ability to work within a continuous delivery pipeline utilizing tools such as Github, CircleCI, and Terraform Enterprise.
  • Understanding of monitoring and performance measurement tools such as Datadog, Sentry, and Cloudwatch.
  • Willingness to contribute to open-source coding conventions and practices.
  • Commitment to diversity and inclusion, with an understanding that the role is open to all qualified applicants regardless of race, gender, age, disability, or other protected attributes.

Benefits & Perks

Compensation/salary range not specified
Work schedule not specified
Work environment perks include being a certified Great Place to Work in multiple countries and one of the Best Workplaces on Glassdoor in the UK
Opportunities for learning and skill development through working with talented engineers and open-source coding conventions
Flexible team working approaches, such as Kanban-like methods
Use of modern tools for work management and monitoring, including Notion, Asana, Github, CircleCI, Terraform Enterprise, Datadog, Sentry, and Cloudwatch
Inclusive and supportive company culture with accommodations available for specific needs
Equal opportunity employer with non-discrimination policies

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