Back End Engineer

RBS; United States; Remote; USD 100,000 - 140,000; Full time

Job summary

Mettle is seeking a Back End Engineer to join our core engineering team. You will develop clean, scalable backend services using Java with Spring Boot or Micronaut, and work with modern infrastructure.

You will collaborate across stakeholders to deliver high-impact solutions, uphold coding standards, mentor junior engineers, and focus on secure, data-driven architectures in a remote-first environment.

Qualifications

• Strong background in software engineering and architecture.
• Solid experience with Java and Spring Boot / Micronaut.
• Experience with Kubernetes, Docker, and AWS deployments.
• Familiarity with Kafka and event sourcing.
• Experience in secure application development.
• Ability to translate business objectives into data-driven insights.

Responsibilities

• Develop clean, reusable, well-tested backend code.
• Collaborate with stakeholders to shape engineering direction.
• Uphold standards and promote innovation within backend team.
• Mentor junior engineers and act as SME.
• Resolve technical issues and ensure maintainability.

Skills

Java

Spring Boot

Micronaut

Kubernetes

Docker

AWS

Kafka

Event Sourcing

Secure app development

Data-driven insights

Tools

Kafka

AWS

Job description

Join us as a Back End Engineer

• This is an opportunity for a technically minded Software Engineer to join Mettle
• You’ll be working with new and innovative technology to deliver high impact solutions
• Hone your existing software engineering skills and advance your career in this critical role

What you’ll do

You’ll join one of the core cross-functional mission teams to build and develop Mettle. We will look to you to develop clean, elegant and reusable code that is well-tested and easy to maintain and extend.

You’ll also:

• Work with stakeholders across the business to drive the direction of Mettle Engineering and put the long-term interests of customers at the heart of key decisions
• Collaborate across our backend chapter to uphold standards, best practices and to promote innovation
• Work collaboratively with the team to resolve technical issues
• Support and oversee junior engineers and act as a subject matter expert

The skills you’ll need

You’ll need a strong background in software engineering, software design or database design and architecture. You should have solid practical and theoretical knowledge of Java software development as well as strong experience of Spring Boot / Micronaut.

You’ll also need:

• An understanding of Kubernetes / Docker
• An excellent understanding of AWS deployment and configuration
• Experience working with message-driven architectures / Kafka / event sourcing
• Experience working on a highly secure application
• An understanding on how to translate business objectives into data driven insight

Hours

35

Job Posting Closing Date:

29/10/2026

Ways of Working:Remote First