Staff Software Engineer
$131.4k - $160.6kPerseus Group LLC
Staff Software Engineer
Location: Jacksonville (Preferred) or Remote
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.
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 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 (US Only): Exempt
Salary Range: The estimated base salary range for this role is USD$131,400.00 - USD$160,600.00 per year. We include salary ranges in job postings only where required by applicable pay transparency laws, based on the jurisdictions in which the role may be performed. The posted range is a good faith estimate and reflects factors that are subject to change. Final offer amounts may vary based on job-related factors, including work location, candidate experience and expertise, and other relevant considerations.
Other Compensation (US Only): Not Applicable
Benefits (US Only): 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.
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. Applicants with disabilities who would like to require a reasonable accommodation related to any part of the application process may contact us at View email address on click.appcast.io.
$174k - $262k
...corporations and government agencies rely on Relativity's legal AI software to securely surface and manage the most relevant and impactful... ...Justice for Change. What We Do At Relativity, engineers don't just write code-they shape how industries uncover...SuggestedRemote workHome office- ...Job Description Job Description Staff Level Software Developer US East Office (Jacksonville, FL) - Hybrid weekly schedule We... ...constructive code reviews that raise the quality bar and help engineers grow, not just ship ~ Mentor and coach junior and mid-...SuggestedH1bWork at officeVisa sponsorshipWork visa
- ...Job Description: Job Summary The Software Engineer is responsible for intermediate-level software analysis, design, and implementation of user-computer interfaces for training devices and systems. This role focuses on developing real-time simulation software for...Suggested
- ...reputation with the clients. Currently, we are looking for entry-level software programmers, Java full stack developers, Python/Java developers, data analysts/data scientists, machine learning engineers for full time positions with clients. Who should apply? Recent...SuggestedFull timeH1b
$77.1k - $123.3k
...that helps millions of learners improve their lives and achieve their dreams through education. What you'll do here: As a Software Engineer, you will deliver a world-class experience for learners and instructors on our Cengage Learning Platforms (CLP). Working on a...SuggestedLive inLocal areaWorldwide- ...Software Engineer IV Develops core versions of software applications for sale to external clients. Identifies clients' purchasing requirements... .... Acts as expert technical resource to software engineering staff in the development, testing and implementation processes....Local area
- ...AWS Cloud, strong AWS skills are required CI/CD processing Python scripting (unable to consider Powershell) Experience engineering Cloud based solutions Experience using industry standard automation and deployment tools Such as Puppet, Chef, Ansible, Git...
- ...ideas. Are you ready to make an impact and help shape what's next? Join us! Explore opportunities at dnb.com/careers. Sr. Software Engineer - Duties are designing & developing service-oriented & resource-oriented software architecture using Python in Flask framework...Worldwide
- ...technical team? Are you ready to contribute to the development of the next generation of products? The Role As a Senior Software Engineer, you will design, build, and maintain scalable CMS-driven platforms that power Advantage Design Group's orientation and...Work experience placementWork at office
- ...Software Developer II Jacksonville, Florida, United States Software Developer II - RF-SMART for NetSuite Jacksonville, FL (Hybrid schedule) We Exist to Transform our Customers and Change Lives Who We're Looking For RF-SMART is currently seeking an experienced...
- ...Technology and Business consulting services. We are in search of a highly motivated candidate to join our talented Team. Job Title: Software Engineer Job Location: Jacksonville, FL Job Description: Constructs software solutions that resolve intricate challenges and...
$65 - $80 per hour
...Job Description A client of Insight Global is looking for an experienced Senior Software Engineer. This Senior Software Engineer will be responsible for supporting and modernizing a Microsoft-based technology environment, working across both legacy and modern applications...- ...Job Title: Sr Software Engineer Department: IT Pay Grade: Overtime Eligibility: Exempt Date: June, 2026 Job Summary : We are seeking an innovative, high-caliber Senior Software Engineer to drive the architectural design, full-stack development...
- ...related technologies. Collaborate with cross-functional teams to define, design, and deliver new features. Maintain existing software systems by identifying and correcting software defects. Conduct code reviews to ensure code quality and adherence to standards....
$68k - $93.5k
...other, win together, strive for the best, own our actions, and grow and evolve. Job Description We are seeking a Full Stack Software Engineer with strong backend experience in .NET Core and frontend experience in React to build and maintain scalable services and APIs....For contractorsLocal areaRemote workWorldwideWork visaFlexible hours- ...Responsibilities Kforce has a client that is seeking a Senior Software Engineer in Jacksonville, FL.Summary:Our client is looking for someone to join a collaborative and innovative team focused on building advanced software solutions that power real-time simulation...Hourly payContract work
- PHP Developer Location: Jacksonville Rate: DOE $/Yr. Position Type: Full Time Interview Process: Phone Followed by F2F US Citizen, Green Card and GC EAD Job Description: Highly skilled in PHP, MySQL, JavaScript, HTML, and CSS. Candidate will be detail-oriented...Full time
- Sr. Java Developer Work Location: Hybrid local to Jacksonville JOB SUMMARY: Sr. JAVA Developers are responsible for the development, programming, and coding of Information Technology solutions. Senior IT Developers are responsible for documenting detailed...Work experience placementLocal areaFlexible hours
- ...DevOps Engineer Jacksonville Florida (Hybrid Role) W2 Candidates (Open to visa) Note: Please look for profiles that hasexperience in docker images from scratch Expertise in Docker for containerization and orchestration. Proficient in PowerShell for scripting...
$117.1k - $187.3k
...Content Systems, Content workflows and Content AI platforms. As a successful technology leader, you will build and lead remote software engineering organizations using agile principles to architect and deliver high availability enterprise software. You will partner...Work experience placementLive inLocal areaRemote workWorldwide$105.72k - $132.14k
...the process of implementation planning, fit analysis, configuration, testing, rollout, and post implementation support of solution/software development Elicit, analyze, validate, specify, verify, and manage the needs of project stakeholders including customers and end...Full timeTemporary workWork experience placementLocal areaImmediate startShift workDay shift$61.57k - $97.83k
...IT Software Engineer II Job Locations US-NJ-Edison | US-FL-Jacksonville Job ID 2026-6379 # of Openings 1 Category Information Technology Type Regular Full-Time Overview Salary range: $61,568- $97,825...Full timeTemporary workLocal areaFlexible hours- Java Developer First IT Solutions Job Description Frameworks e.g. – JSF, Spring, Hibernate, MyBatis Web Service development Messaging systems (WebSphere MQ) SQL / PL SQL or similar query language for DB2, Oracle Experience of tools like – Eclipse, ...Permanent employmentWork experience placement
- ...Job ID : 97627-1 Job Title : Senior DevOps Engineer Location : Chicago IL Duration : 6 months + possible extension Rate Range: $45 - $50/hour on W2/ C2C (All inclusive) Introduction We are seeking a highly skilled and experienced Senior DevOps Engineer...Work experience placementImmediate start
- Job Title Looking for a strong Angular developer, full stack is a plus. 70% Angular, 30% backend Java, Momgo DB. Job Description Responsible for analysis, design, coding and testing of new applications or enhancements to existing applications using Java-based ...
- ...Senior iOS Engineer Location : Jacksonville, FL/Alpharetta, GA/Berkley Heights, NJ Coforge | Fiserv Rate: $... ...versioning tools (Git) • Diploma / Degree in Computer Science, Software Engineering or similar • 5+ years of relevant work experience...Work experience placement
- ...Foth is a 100% member-owned science and engineering consulting firm headquartered in Wisconsin, with over 85 years of success. Our 750... ...1/DHI, SMS, ADCIRC, XBeach, UNIBEST, SWAN) and mapping/design software (e.g., AutoCAD, MATLAB, Python, ArcGIS, Grapher, Surfer) ~ Experience...Contract workRemote workFlexible hours
$61.57k - $97.83k
...Senior Software Engineer Salary range: $61,568- $97,825 The Senior Software Engineer is an experienced software developer with a proven track record of contributing to the next generation Digital Experience Platform. A key areas of expertise is designing user focused...Temporary workWork experience placementLocal areaFlexible hours$100k - $160k
...DevOps Engineer At WalkMe, now an SAP company, we're not just the leader in digital adoption, we started the digital adoption revolution... ...deployment pipelines to facilitate smooth and efficient software releases. Help implement and maintain observability solutions...Work experience placementLocal areaImmediate startRemote work$16k
...EMS projects such as system upgrades and/or new application, software, and hardware rollouts. Collaborate with cross-functional teams... ...including IT, Operations, Information Security, Compliance, other engineering departments, field technicians, and external vendors. Ensure...Temporary workWork at office
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Staff Software Engineer. Be the first to apply!
- software technical support Jacksonville, FL
- healthcare software sales Jacksonville, FL
- software quality assurance Jacksonville, FL
- id software Jacksonville, FL
- senior c# .net software developer Jacksonville, FL
- internship software Jacksonville, FL
- embedded software Jacksonville, FL
- software sales representative Jacksonville, FL
- software technical support engineer Jacksonville, FL
- software implementation project manager Jacksonville, FL

