Staff Software Engineer

Perseus Group; Jacksonville (FL); Remote; USD 131,000 - 161,000; Full time

Benefits offered by this job

Medical, dental, vision

Life insurance

Disability insurance

401(k) with company match

Paid vacation and holidays

Job summary

Perseus Group is seeking a Staff Software Engineer in Jacksonville (preferred) or remote for a serverless, cloud-native application. You will develop features, ensure security, and collaborate across product, design, and QA to deliver robust software.

The role emphasizes learning and applying the best AWS tools, implementing observability, and building scalable services that meet high security standards.

Qualifications

• 5+ years of professional software development experience.
• Experience with AWS services (CloudFront, Lambda, DynamoDB, RDS, VPC, API Gateway).
• Strong knowledge of Node.js/TypeScript, Python, and Angular web tech.
• Experience building HTTP-based APIs and distributed systems.
• Familiarity with testing (Jest/Karma) and observability concepts.
• Git for source control and Azure DevOps deployment pipelines.

Responsibilities

• Design, iterate and develop new product features in a cloud-native environment.
• Build secure software with least privilege from the start.
• Collaborate with cross-functional teams to deliver enhancements on cadence.
• Own quality and delivery of software and create automated tests.
• Document code, APIs, and technical specifications for maintenance.

Skills

AWS cloud

Node.js/TypeScript

Python

Angular

REST APIs

Distributed systems

Observability

Git

Azure DevOps

Testing (Jest/Karma)

Tools

CloudFront

Lambda

DynamoDB

RDS

VPC

API Gateway

Job description

Staff Software Engineer

Location: Jacksonville (Preferred) or Remote

Overview: Dark Matter Technologies seeks a Staff Software Engineer to develop 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

• 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
• Knowledge of git for source control

FLSA Designation

Exempt

Salary Range

The estimated base salary range for this role is USD$131,400.00 - USD$160,600.00 per year.

Other Compensation

Not Applicable

Benefits

• Full time employees will also be eligible for enrollment in a wide range of choices of benefits , including medical, dental, vision, basic life insurance, short/long term disability, 401(k) participation (with company match).
• Time off (US Only): The Company provides a minimum of 10 days of vacation for new employees , sick time based on state requirements, 8 Company-paid holidays and 2 personal holidays per year.

Equality, Diversity, and Inclusion

We recognize the value and importance of diversity and inclusion in our communities and in the workplace. We celebrate diversity and one of our goals as an employer is to create an inclusive work environment for all employees. We are an equal opportunity employer and do not discriminate against any employee or applicant because of race, religion, sex, sexual orientation including gender identity or expression, pregnancy, national origin, age, marital status, veteran status, disability status, or any other category or characteristic protected by law.

Disability Accommodation

Applicants with disabilities who would like to require a reasonable accommodation related to any part of the application process may contact us at [e-mail].

Background Check

NOTE: If an applicant is selected to receive a conditional offer of employment, and in accordance with applicable law, a criminal background check may be conducted before the offer becomes final and employment begins.

Company Overview

Perseus, an operating group of Constellation Software Inc., acquires independently managed software companies around the world. It provides them with the strategic guidance and financial security they need to become leaders within their respective markets.

Perseus Group is an equal opportunity employer. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran, or disability status.

We seek out vertical market software businesses where motivated small teams composed of good people, can produce superior results in tiny markets. What we offer our business unit managers is autonomy, an environment that supports them in mastering vertical market software management skills, and the chance to build an enduring and competent team in a ‘human-scale’ business.