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Site Reliability Engineer - Core



Software Engineering
Paris, France
Posted on Friday, June 14, 2024

Blockchain is the world's leading software platform for digital assets. Offering the largest production blockchain platform in the world, we share the passion to code, create, and ultimately build an open, accessible and fair financial future, one piece of software at a time.

We are looking for a Site Reliability Engineer to join our Core team to encourage infrastructure best practices across our organization that would allow to securely scale a distributed financial platform that touches millions of people a day.

Our distributed financial platform tackles some of the most interesting problems in the crypto for millions of our customers and continues to grow rapidly. The SRE team at blockchain combines software and systems engineering to provide a platform that abstracts complexity for increased security, reliability and rapid product delivery.

The SRE organization at Blockchain is a work in progress - our focus is always on how to make our existing systems better. We pride ourselves on having created an environment where individuals have a high degree of freedom in proposing, discussing, designing and implementing changes. We are a team that places a high value on abstract thinking to deliver exceptionally effective tooling. We abhor toil.

As a member of the Core team you will be tasked with developing an in-depth understanding of the infrastructure needs of our products. You will establish and maintain creative engineering solutions to improve our customers’ experience by building necessary tooling. Crucially, you will also guide and guiding and educating developer teams so that they can deliver new features in a rapid, secure and scalable manner.


  • You will be able to play a critical role in evolving our infrastructure as we develop solutions to complex technical problems involving reliability, latency, bandwidth and most importantly security.
  • You will be an integral part of improving observability, monitoring and alerting throughout the platform.
  • You will help co-ordinate work across different areas of the company to ensure the most efficient path of execution
  • You will centralise wherever possible common streams of work that are currently duplicated across developer teams.
  • You will focus heavily on writing tooling to replace manual, repetitive work in a scalable way.
  • You will work in a fast paced, and dynamic environment complementing our existing high calibre team.


  • Experience with containerization and service orchestration, including best practices and security. Experience with Hashicorp Nomad, Consul and Vault is a plus.
  • Strong knowledge of at least one programming language. Experience with Golang, Python, and Bash is a plus.
  • Linux, including an understanding of resource allocation, network and/or internals.
  • Experience working with cloud solutions (GCP or AWS).
  • Deep understanding and demonstrable experience with modern monitoring tools such as Prometheus, Datadog, Grafana, Telegraf
  • Experience with infrastructure as code tools. Experience with complex Terraform deployments is a plus.
  • Solid background with configuration management tools. Experience with Saltstack is a plus.
  • Experience with using GitOps and CI to make changes, preferably Github Actions.
  • Experience with messaging systems such as Kafka.
  • Experience with database management.
  • Experience working in Data Centers is a plus.
  • Knowledge of routing and switching protocols is a plus.


  • Full-time salary based on experience and meaningful equity in an industry-leading company
  • Hybrid model working from home & awesome office location in the heart of Paris
  • Unlimited vacation policy; work hard and take time when you need it
  • Apple equipment
  • The opportunity to be a key player and build your career at a rapidly expanding, global technology company in an emerging field
  • Flexible work culture

Blockchain is committed to diversity and inclusion in the workplace and is proud to be an equal opportunity employer. We prohibit discrimination and harassment of any kind based on race, religion, color, national origin, gender, gender expression, sex, sexual orientation, age, marital status, veteran status, disability status or any other characteristic protected by law. This policy applies to all employment practices within our organization, including hiring, recruiting, promotion, termination, layoff, recall, leave of absence, and apprenticeship. Blockchain makes hiring decisions based solely on qualifications, merit, and business need at the time.