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Staff Software Engineer

Perseus Group
Jacksonville, United Statesfull_timeVerifiedPosted 26 Jun 2026
💰 $160,600/yr($131,400/yr$160,600/yr)

About the role

Staff Software Engineer  

Location: Jacksonville (Preferred) or Remote  

 

Overview:
Dark Matter Technologies seeks a Staff Software Engineer to d
evelop new features and functionality as part of a team working on a serverless based, distributed, cloud-native application. Dark Matter utilizes AWS for hosting applications and is looking for a developer who can learn and leverage the best tools for the job. Security is a core part of the development process and critical to the success of the developer in this role.
 

 

Summary 

The Staff Software Engineer will: 

  • Write code and develop software applications (cloud and/or in-house), based on requirements, using programming languages, platforms, frameworks, and tools to create functional and efficient applications.  

  • Analyze user requirements, develop software solutions, and ensure the applications are robust and efficient.  

  • Perform rigorous testing to identify and fix any bugs or errors, including unit testing, integration testing, and debugging to ensure the software meets quality standards.  

  • Collaborate with cross-functional teams, including product managers, designers, and quality assurance professionals, to ensure the software meets user requirements and is delivered on time.  

  • Update existing software applications to enhance functionality, fix issues, and incorporate new features, including troubleshooting, patching, and ensuring the software remains up-to-date.  

  • Document the software development process, including code documentation, user manuals, and technical specifications to assist in knowledge transfer and future maintenance of the software. 

 

Day to day 

  • Design, iterate and develop new product features 

  • Build secure software from the beginning and always implementing least privilege 

  • Collaborate with dev, qa, product and architecture teams on developing and delivering product enhancements on a regular cadence 

  • Take ownership of quality and delivery of software 

  • Create automated tests to validate product functionality 

  • Identify opportunities for improvement in both processes and code 

 

What we're looking for 

  • 5+ years' experience professional development 
  • Experience in AWS using CloudFront, Lambda, DynamoDB, RDS, VPC, API Gateway 
  • Node JS/TS 
  • Python 
  • Angular and/or general web development 
  •  Experience testing with tools like Jest or Karma 
  •  Experience building http-based APIs 
  •  Experience researching and recommending innovative technologies and tools that align with business requirements and deliver value to customers 
  •  Desire to build intuitive and easy-to-use user interfaces 
  •  Capability to troubleshoot distributed systems 
  • Desire to implement observability and support into the platform 
  •  Knowledge of Azure DevOps build and deployment pipelines

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Company

Perseus Group

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