Mid-Level Backend Software Engineer
$105k - $125kEnnoble First, Inc.
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. Ennoble First, Inc.
$87.1k - $157.45k
...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‑...SuggestedFull time$86k - $138k
ResponsibilitiesPeraton is seeking a Mid-level Full‑Stack Engineer to join our Federal Strategic Cyber program... ...the frontend.Collaborate with backend teams on API contracts and integration... ...Are:Bachelor's degree and 5+ years of software engineering experience (or 9+ years...SuggestedContract workCasual workShift work- ...Job Description Job Description The Software Engineer shall meet the following minimum requirements... ...experience leading teams on small to mid-size software development activities.... ...Description The Software Engineer – Mid Level shall participate in all phases of the...SuggestedContract workWork experience placementLocal area
$87.1k - $157.45k
Are you ready to build software that makes a real-world impact? Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program supporting an Intelligence... ...user interfaces to building scalable backend services and integrating secure, cloud...SuggestedFull timeContract work$100k
...Mid-Level Full Stack Developer NetServices (NSI) is an IT services firm with a long-standing reputation for delivering high-quality... ...partnerships with clients. Our close-knit team of highly cleared engineers, analysts, and program managers represent some of the best...SuggestedFor contractorsFlexible hours$112k - $132k
...Description You have shipped real software. We have real software to ship. You... ...’s ten-year-old application. As a Mid-Level Software Engineer, you will own meaningful pieces of... ...ability to independently build REST APIs, backend services, and real business logic —...Temporary workWork experience placementInterim role$65 - $67 per hour
...Position Title: Mid-Level Full Stack Developer Location: Bethesda, MD - 5 Days onsite... ...analytics platform Develop and support backend services and APIs powering portfolio modeling... ...financial concepts into scalable software solutions Maintain high-quality, well...Contract workTemporary workLocal areaRelocationMonday to Friday- ...mathematics, computer science, physics, and engineering. Our people are leaders in their... ...real-world settings. Metron is seeking a mid-level Software Engineer to help design, build, and... ...programming languagesExperience creating backend software and/or APIs in collaborative...For contractorsWork at officeRelocation
- ...Clearance at the Top Secret and/or CBP/DHS suitability level.Vantor is currently seeking a Mid-Level Software Engineer to support our FALCON effort. This role can be... ...of mission-focused software applications, backend services, APIs, data processing workflows, and analytical...Full timeRemote work
- Celestar Corporation is seeking a Mid-level Data Engineer (OBI Advanced Analytic Method Augmentation) to support The Defense Intelligence Agency... ...and query performance.· Participates in the selection of backend database technologies (e.g. SQL, NoSQL, HPC, etc.), their configuration...Temporary workLocal areaImmediate startFlexible hours
$112k - $179k
Responsibilities Peraton is current hiring a Mid‑Level Malware Reverse Engineer for its' Federal Strategic Cyber programs. Location: Arlington, VA (Hybrid - On-site/Remote: 50/50). Local candidates able to work in a hybrid environment required.Overview:As a Mid‑Level...Contract workLocal areaRemote workShift work- ...interface design, application integration, and software development best practices. Salary Range... ...maintainable code following software engineering best practices and organizational coding... ...developmentActioNet is a CMMI-DEV Level 4, CMMI-SVC Level 4, ISO 20000, ISO 2700...Full time
$87.1k - $157.45k
Job Description:Are you passionate about delivering high-quality software that directly supports our nation’s security? Leidos is seeking an experienced Mid-Level Test Engineer to join the Chinook Program supporting an Intelligence Community customer. This is an opportunity...Full timeContract work$87.1k - $157.45k
...Intelligence Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security... ...National Solutions Business Area, is currently seeking a Mid-Level DevSecOps Engineer on the Maru Program. The successful candidate will play a...Full timeContract workShift work- Entry Level and Mid-Level Civil Engineers Wave Civil is currently hiring multiple entry level (0-2 years) and mid-level (2-6 years) civil engineers... ...Ability to utilize AutoCAD & Civil3D and related design software for the preparation of various design and construction plans...Currently hiringWork at officeLocal area
$120k - $155k
...Software Engineer II IsI Enterprises is seeking a highly motivated Software Engineer II to be... ...implementation, and maintenance of both our backend services and frontend components.... ...effectively interact with team members at all levels Preferred Qualifications...Full timeCasual workRemote work- ...Black Cape Title: Brilliant BackEnd Software Engineer (2+ years - Senior Level) Locations: Arlington, VA, Reston, VA and areas throughout the DMV area Onsite Expectations: MUST be willing to go onsite 2 - 3 days per week; could be up to 5 days per week -...Full timeFor subcontractor2 days per week3 days per week
- ...Job Description Job Description Job Title: Mid-Level Cloud-Based Web Developer (FICO Blaze) Job Summary: We are seeking... ...manner. Experience in Fico Blaze Advisor BRE (Business Rule Engine) development Experience in Fico Blaze Advisor Rule Maintenance...
$75k - $95k
...Mid-level Geologist, Engineer, or Environmental Scientist Plexus Scientific Corporation seeks a Mid-level Geologist, Engineer, or Environmental... ...management skills. Proficiency with Microsoft Office software including Access, ArcGIS a plus. Professional skills...Full timeWork at officeFlexible hours$199k
DescriptionSoftware Engineer - Mid-Level & Senior-Level (2 Openings)Summary:We are hiring for two (2) Software Engineer positions at the Mid-Level and Senior-Level. These roles will support the design, development, implementation, and maintenance of enterprise-scale, dynamic...- ...Process | IT Effectiveness | Engineering | Environmental | Sustainability... ...Management: Task Order level project management to establish... ...the impact of infrastructure, software upgrades, capacity, and all changes... .... SOFTWARE DEVELOPER (Mid-Level) - KEY PERSONNEL QUALIFICATIONS...Full timeContract workTemporary workFor contractorsWork at officeFlexible hours
- ...Role Redhorse is transforming how the Department of Defense (DoD) utilizes data and technology. We are seeking a proactive Mid-Level Data Engineer to join our team supporting the Office of the Under Secretary of Defense for Acquisition & Sustainment (OUSD(A&S)). In this...Contract workWork at office
- Job DetailExperience Level Mid LevelDegree Type Bachelor of Science (BS)Employment Full... ...AnnuallySelling Points Lead impactful engineering projects in a dynamic, mission-driven environment... ...a relevant field.Minimum of 2 years of software engineering experience; 5 years...Flexible hours
$90k - $130k
...Mid-Level Full Stack Developer (.Net and Azure), #1060 Location: Herndon, VA (hybrid once a quarter) Clearance: U.S. Citizenship... ...re looking for a highly skilled Mid-Full Stack Developer/Cloud Engineer to design, build, and maintain high-quality solutions that solve...Full timeRemote workFlexible hours$69.4k - $158k
...Job Number: R0245338 Full Stack Software Engineer, Mid The Opportunity: As a full stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you're looking for the chance to not just develop software, but to...Full timeContract workPart timeWork at officeLocal areaRemote work$100k - $150k
...years, our areas of expertise have expanded to include Systems Engineering, Program Management, In-Service Engineering, Equipment... ...and knowledge to our team! We are seeking an experienced Mid-Level Software Engineer (SEG2) to support a large support services...Contract workTemporary workFor contractorsFor subcontractorWork at officeLocal areaRemote workFlexible hours$115k - $160k
...Software Engineer Battelle delivers when others can't. We conduct research and development, manage national laboratories, design and manufacture... ...team environment, applying expertise in low-level systems programming, machine learning, and data engineering to...Full timeWork experience placementWork at officeLocal areaRemote workFlexible hours$105k - $130k
...&A, Inc. (SC&A) is an employee-owned small business providing engineering, technical, planning, and communications expertise services across... ...a focus on client satisfaction. We are currently seeking a mid-level Nuclear Engineer/Health Physicist to join our team....Full timeTemporary workRemote workWork from home- ...About ProSidian Consulting at DescriptionProSidian seeks a Mid-Level InfoSec Security Engineer (With Focus On Securing Virtual Machines) Consultant... ...comprehend and integrate complex computer technology and software into an effective information systems security program....Full timeFor contractorsWork experience placementInternshipWork at officeMonday to FridayShift work
$89.6k - $204k
Software/Web Developer (Entry Level to SME) TS/SCI with Poly REQUIRED Position Description CGI Federal... ...built. Key Responsibilities (Mid-Level) • Application Design & Development... ...review standards for the engineering team. • Mentorship & Culture: Provide...Work at officeLocal area
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