Senior Platform Engineer

Location:
Cape Town

Our Tech Stack: (Use the "Apply for this Job" box below)./sedna

Sedna is at the forefront of revolutionising global trade, serving as the North Star for businesses navigating the complexities of international commerce. Our AI‑powered platform is designed to make global trade more efficient, transparent, and sustainable. As we continue to grow and innovate, we are looking for exceptional talent to join our journey and contribute to our mission of transforming global trade.

You can find out more about us on our website:

Sedna is seeking a Senior Platform Engineer to join our dynamic Platform Engineering team. In this critical role, you will ensure the high availability, performance, and scalability of Sedna's SaaS solutions. Working at the intersection of development and operations, you will play a key role in automating our infrastructure, improving system reliability, and driving efficiency across our platforms.

Our services mostly run on AWS, with some systems running on Azure. Languages in use include Kotlin, Elixir, Java and Python. We use a broad range of technologies including Kubernetes, MySQL, Postgre

SQL, Oracle, Open Search and Kafka.

Our platforms are critical to global trade and are used by users across the world, 24 hours a day, 365 days a year. We process many millions of emails and other transactions each day, and our storage is at petabyte scale.

• Develop and maintain scalable, resilient cloud‑based infrastructure using industry best practices.
• Implement automation tools and frameworks for automatic code deployment and system management.
• Monitor system performance, troubleshoot issues, and implement strategies to ensure high availability and minimal downtime.
• Collaborate with development and product teams to enhance the scalability and efficiency of the application architecture.
• Participate in on‑call rotations, providing expert support for critical system incidents and ensuring rapid resolution.
• Continuously evaluate and implement new technologies and tools to enhance system reliability and operational efficiency.

• You’ll be hands on from day one, working to make Sedna faster, more scalable, more efficient and more secure.
• We’ll invest in getting you familiar with our platforms rapidly. You’ll pair with members of the platform engineering team, architects and developers to gain an in‑depth understanding of how everything works.
• We’ll help you build a full understanding of the environment in which we work and we’ll get you up to speed with our planning and road‑mapping processes, so you can start influencing the direction of Platform Engineering.

• 6+ years experience in Site Reliability Engineering, Dev Ops, or similar roles, with a strong background in software engineering and system administration.
• Industry experience with working on secure, highly available, large scale systems.
• Highly proficient with AWS - we use VPC, IAM, ELB/WAF, EC2, ECS, EKS, S3, Lambda, Step Functions, Glue, Kinesis, Cloud Watch, Cloud Trail, Sage Maker, Bedrock, Open Search, RDS, Elasti Cache, SES, KMS and more.
• Containerization technologies (e.g., Docker, Kubernetes), and infrastructure as code (IaC) tools (e.g., Terraform, Ansible).
• Skilled in scripting and automation (e.g., Python, Bash), infrastructure as code (e.g. Terraform) and experience with CI/CD pipelines and practices.
• A tenacious problem‑solver with a proactive approach to identifying and resolving system bottlenecks and stability issues.
• Excellent communicator, capable of working collaboratively across both technical and non‑technical teams, being able to explain complex technical issues in clear, understandable terms.
• Passionate about learning new technologies and continuously improving systems and processes.

• Experience in working in compliant environments (SOC2, ISO
  27001, ISO
  27701)
• Experience in working with Azure, including MS Graph
• Understanding of information security concerns and demonstrable experience of working cross‑functionally across organisations to ensure and improve security.
• Experience with Kotlin, Java or Elixir -…