Mid-Level Backend Software Engineer
$105k - $125kNavstar
Mid-Level Backend Software Engineer
Location: Gaithersburg, Maryland; Alexandria, VA; Chantilly, VA; Aurora, CO; St. Louis, MO; Tucson, AZ Clearance: Top Secret/SCI with the ability to successfully pass a Polygraph Schedule: Full Time Travel: Yes, 10% of the time Remote: No
Job Description
Ennoble First is your place. You make it your own by embracing autonomy, seizing opportunity, and being trusted to deliver your best every day. We think. We act. We deliver.
This position supports a newly awarded five-year effort delivering modern, mission-critical software capabilities to a national security customer. The program leverages Agile development, DevSecOps practices, and cloud-native technologies to build and enhance scalable enterprise solutions supporting critical mission operations. Engineers on this effort will work with cross-functional teams to design, develop, and deploy impactful capabilities while helping shape the architecture and technical direction of a long-term, high-visibility program.
We are seeking a Backend Software Engineer to support the development and maintenance of core backend services for a high-visibility, data-driven application used across the organization for analytics and reporting. This role focuses on building scalable services, developing RESTful APIs, and supporting data-driven functionality within a Linux-based environment.
Primary Responsibilities:
- Backend Development: Design, develop, test, and maintain backend application components using Java or Python
- REST API Development: Develop and maintain RESTful services to support application functionality and system integrations
- Object-Oriented Programming: Apply object-oriented design principles to build scalable and maintainable systems
- Database Development: Write and modify SQL queries to support application functionality and data retrieval
- Data Source Collaboration: Collaborate with internal and external teams to understand data sources, formats, and access methods, and support integration into backend systems
- Linux Environments: Develop and troubleshoot applications within Linux-based environments
- Data Processing & Business Logic: Implement backend logic for data transformation, processing, and system workflows
- Bug Fixing & Enhancements: Identify, debug, and resolve application-level defects and performance issues
- Code Quality: Follow coding standards, participate in code reviews, and support documentation efforts
Required Qualifications:
- Bachelor's degree in Computer Science, Software Engineering, or a related field with 4-8 years of experience; or a Master's degree with 2-6 years of experience
- Active TS/SCI with the ability to successfully pass a Polygraph
- Professional experience developing object-oriented applications in Java or Python
- Hands-on experience building and maintaining RESTful APIs
- Basic to moderate experience with SQL capability, including writing queries and working with relational databases
- Working knowledge of Linux-based environments
- Ability to work independently on defined tasks within established technical frameworks and deliver reliable results
Pay Range $105,000-$125,000
The Ennoble First pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
E-Verify This employer participates in E-Verify. E-Verify is an Internet-based system that allows businesses to determine the eligibility of their employees to work in the United States.
Equal Employment Opportunity Ennoble First is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status. Ennoble First is committed to providing a diverse and inclusive work environment and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.
$87.1k - $157.45k
...been building your skills in backend development, object-oriented programming, and mission-driven engineering , and you're ready for work that... ...with visibility at senior levels, you'll thrive here. We're hiring a Backend Software Engineer to support a high-visibility...SuggestedLocal areaImmediate start- ...ve been building your skills in backend development, object-oriented programming, and mission-driven engineering , and you’re ready for work that... ...mission with visibility at senior levels, you’ll thrive here. We’re hiring a Backend Software Engineer to support a high‑...Suggested
- ...As a Senior and Mid-Level Developer, this position will work with a growing team on innovative and leading-edge solutions with our Team... ...Experience with Git Experience with using SQL Server as a backend preferred Experience with Entity Framework Experience...Suggested
- ...Band 7 Job-Specific Essential Duties and Responsibilities: - Provides subject matter proficiency supporting back-end software development activities. - Applies analytical skills supporting process improvement, specialized studies, and requirements definition...SuggestedMinimum wageContract workTemporary workWork experience placement
- ...About the role Seeking a skilled Mid-Level Software Developer with strong AWS expertise to join the OST FS2 Aero team in Saint Louis,... ...proactive self-starter with solid experience in cloud services, backend development, and Agile methodologies, excited to contribute...Suggested
- ...About the role Seeking a Junior Backend Software Developer to join the OST FS2 Aero team in Saint Louis, MO. This role focuses on supporting and enhancing backend systems for aeronautical navigation using cloud and web technologies. The ideal candidate is eager to...Afternoon shift
- A technology services provider in St. Louis is seeking an intermediate level developer with a focus on full stack development, requiring approximately 4 to 5 years of experience. The ideal candidate will have familiarity with C#, .NET, SQL Server, and SPA development. The...
$126.65k - $171.35k
...with great opportunity for professional growth. Find your future with us. The Boeing Company is looking for a Mission Software Engineer (Mid level or Senior) to join the Phantom Works Open Architecture Systems Integrated Software (OASIS) Solutions team located in...Permanent employmentContract workWork experience placementCurrently hiringRelocationVisa sponsorshipWork visaRelocation packageFlexible hoursShift workDay shift- ...Freedom Technology Solutions Groups is looking to add a mid level Software Engineer to the team! This position is fully onsite in St. Louis, MO. Required Experience: ~ Demonstrated firsthand experience in at least two of the following: • Java, JavaScript or...For contractorsWork at officeRemote workFlexible hoursNight shift
$100k - $105k
...About DLS Engineering DLS is an engineering firm with 30 years of Federal Government contracting experience. Our small business... ...most critical defense and national security priorities. Mid-level Software Engineer at DLS Engineering (on-site) DLS Engineering...Full time- ...Mid-Level C# .NET Developer Role Overview: We are seeking a mid-level C#.NET Developer to join our team. You will have the opportunity... ...Education / Other Experience: ~ Bachelor's degree in Engineering, Computer Science, Mathematics or scientific discipline or...
$105k - $125k
...Mid-Level SQL Engineer Location: Gaithersburg, Maryland; Alexandria, VA; Chantilly, VA; Aurora, CO; St. Louis, MO; Tucson, AZ Clearance:... ...awarded five-year effort delivering modern, mission-critical software capabilities to a national security customer. The program leverages...Full timeRemote work$103.7k - $140.3k
...opportunity for professional growth. Find your future with us. Boeing Defense, Space & Security (BDS)'s Systems Engineering organization seeks a Mid-Level Configuration Management Engineer for the Air Dominance programs team in Berkeley, MO to perform configuration...Permanent employmentContract workWork experience placementInterim roleImmediate startRelocationVisa sponsorshipWork visaFlexible hoursShift workDay shift- ...Mid-Level Cyber Security Engineer support the refinement of information security requirements and ensure that the requirements are integrated into... ...configuration of cloud and on premise based systems and software Familiarity with security requirements, including...Work experience placement
- As a Senior and Mid-Level Developer, this position will work with a growing team on innovative and leading-edge solutions. You will join an existing motivated and productive development team delivering enterprise-level solutions. Responsibilities This position is responsible...
- ...experienced individual will be to develop software solutions through the conception,... ...everyone is expected to contribute at every level of the development process regardless of... ...experience What we are looking for in a Mid-Level .NET Developer: At least 3 years of...Full time
- ...duties. Requires expertise in specialty areas. Shall perform engineering tasks for front-end design and development efforts including,... ...~7 years of experience in the functional area. ~7 years of software development experience in object-oriented and scripted...Minimum wageContract workTemporary workWork experience placement
- ...Senior-Level .NET Developer Our .NET Developers work with a team of talented individuals... ...individual will be to develop software solutions through the conception, development... ...combination of education and experience Mid-Level.NET Developer Our.NET Developers...Full time
$107.9k - $195.05k
...few years building your expertise in backend engineering, Java or Python development, and mission... ...thrive here. We're hiring a Backend Software Engineer to support a high-visibility... ...00 The Leidos pay range for this job level is a general guideline onlyand not a...Local areaImmediate start$130k - $160k
...Senior Backend Software Engineer Location: Gaithersburg, Maryland; Alexandria, VA; Chantilly, VA; Aurora, CO; St. Louis, MO; Tucson, AZ Clearance... ...$130,000–$160,000 The Ennoble First pay range for this job level is a general guideline only and not a guarantee of...Full timeRemote work- ...Other Experience: College Degree a plus Accounting System Development experience a plus Point of Sale Application Development experience a plus Mid-Tier Financial Transaction System Development experience a plus Kiosk Development experience a plus...
- ...Senior-Level .NET Developer The primary role of this experienced individual will be to develop software solutions through the conception, development, testing, and implementation phases. This full-time position will challenge you to find creative ways to solve problems...Full time
- ...production issues. Minimum Requirements Requirements: Software Development – 5+ years' experience C#.NET Development - 3+... ...Point of Sale Application Development experience a plus Mid-Tier Financial Transaction System Development experience a plus...
$87.1k - $157.45k
...been building your skills in SQL, data engineering fundamentals, and mission-driven development... ...a mission with visibility at senior levels, you'll thrive here. We're hiring a... ...Bachelor's degree in computer science, Software Engineering, or related field with 4-8 years...Local areaImmediate start- ...Freedom Technology Solutions Group is seeking a Software Engineer (Backend Developer) to support our client's intelligence analysis products and... ...role focuses on driving the client's adaptation of higher levels of automation and operational efficiency through agile development...For contractorsWork at officeFlexible hoursNight shift
- ...interview for the candidates that bring the best combination of Software Engineering experience, fit for platform culture, and relevant domain... ...years of experience in full-stack software development for mid-level positions; 8+ years for expert-level positions. •...Work experience placementLocal areaRemote work
$80 - $90 per hour
...Contract Job Description: Data Engineers are responsible for building high-quality backend data services, pipelines, and... ...of datasets Take pride in software craftsmanship, apply a deep knowledge... ...innovate Work with other top-level talent solving a wide range of...Hourly payContract work- ...can drive meaningful change, spark innovation, and achieve extraordinary milestones. Kentro is hiring for a cleared, mid-level Software Engineer to support a government client. Location: Onsite, Saint Louis, MO Responsibilities Research, design, and...Local area
- Via Logic LLC has an exciting opportunity for a Software Engineer - Backend to join our team in St. Louis, MO. This role involves modernizing applications and providing minor enhancements for customer support, with responsibilities including assisting the GDAT Team, overseeing...
- ...country. This year they will process $14 billion in annual transaction volume for 45,000 merchants. Our team is a growing group of software developers dedicated to creating great software and growing the value of the company. If you are a good fit for our team, you...
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Mid-Level Backend Software Engineer. Be the first to apply!
- mid-level software developer Saint Louis, MO
- back-end developer Saint Louis, MO
- senior backend developer Saint Louis, MO
- backend software engineer Saint Louis, MO
- id software Saint Louis, MO
- software quality assurance Saint Louis, MO
- software sales Saint Louis, MO
- internship software Saint Louis, MO
- remote software sales Saint Louis, MO
- embedded software Saint Louis, MO

