SP

Backend Engineer

Sparta

a month ago

Expires on05 Jul 2025

Madrid, Spain

Job description & requirements

Sparta Madrid, Community of Madrid, Spain

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Sparta is revolutionising commodities trading. Our mission is to bring the latest technology to the commodity trading market and become the leading platform for commodities traders and analysts everywhere. Built for traders by traders, our technology pulls together real-time market data, adds insight and advanced analysis, and features detailed workflow modelling to enable traders to make better decisions, faster and with more conviction.

We’ve just closed our Series B funding round and are scaling globally. This presents a great opportunity for a driven Backend Engineer to join our Engineering team.

This role is ideal for an experienced, delivery-focused leader who can help shape our company culture as we transition from start-up to scale-up.

We seek someone who has owned projects from inception through post-release, with familiarity in observability, product metrics, and maintainability.

On a daily basis, you will work hands-on within a product team, leading feature development, mentoring engineers, reviewing code and documentation, and promoting initiatives to enhance our code quality, maintainability, and development experience.

We have a Backend guild with members from all product teams to guide the architectural evolution of our services. You may have the opportunity to be one of the guild leaders, reviewing proposals from other members.

About You
  • High ownership and accountability for projects.
  • Excellent communication skills in a remote-first environment.
  • Experience with big data, streaming, and real-time data frameworks, including architectural design and data warehousing solutions (e.g., Apache Kafka, Apache Flink, AWS Redshift, WebSockets).
  • Practical knowledge of modern software engineering practices (version control, CI/CD, testing, observability, documentation), with experience working with tools like GitHub, Test Containers, Datadog.
  • Hands-on experience with AWS cloud services, deploying using CircleCI and CDK.
  • Strong command of Java/Kotlin, with comfort working within this stack.
Bonus Points
  • Experience with other backend technologies such as Typescript, Python, or Scala.
  • Knowledge of graph databases like Neo4J with large datasets.
  • Experience with gRPC and Protocol Buffers for service communication.
What’s it like working at Sparta?

Our culture emphasizes initiative, challenge, and innovation. We foster an environment where team members take pride in their contributions and collaborate passionately on outstanding products.

We operate flexibly, supporting remote work and in-person meet-ups to build strong relationships.

Our Values
  • Just own it: Embrace ownership of your work, challenges, and successes.
  • Don’t get too comfortable: Seek challenges and embrace change for growth.
  • Ask for forgiveness, not permission: Take initiative and learn from mistakes.
  • Put the customer at the heart of every action: Focus on customer satisfaction.
  • Stay hungry, yet humble: Pursue growth with humility.
  • Collaborate and challenge: Value diverse perspectives and collective greatness.
Additional Details
  • Seniority level: Not Applicable
  • Employment type: Full-time
  • Job function: Engineering and Information Technology
  • Industry: Oil and Gas
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Location :

Madrid, Madrid, Spain

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