1,199 Results for

Software Developer Jobs in Avondale, MD

Jobs

Annapolis Junction, MD

$66,602–$80,500 / year

A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. We operate across 30 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development.

30+ days ago

Gaithersburg, MD

$107,900–$195,050

If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . June 8, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

11 days ago

Gaithersburg, MD

$69,550–$125,725

If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . June 11, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

11 days ago

MONTGOMRY VLG, MD

$165,000–$185,000 / year

With deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential. This role is ideal for a seasoned engineer who enjoys solving complex technical challenges, contributing to system architecture, and partnering closely with Systems Engineering, Development, and Test teams to deliver robust, scalable solutions.

7 days ago

Annapolis Junction, MD

$80,000–$220,000 / year

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7 days ago

Gaithersburg, MD

$140,000–$165,000 / year

With deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential. Our teams partner closely with customers to deliver innovative solutions across cloud strategy, cybersecurity, systems integration, data engineering, machine learning, AI, disaster recovery, and enterprise infrastructure initiatives.

7 days ago

California Maryland, MD

Remote

$73,160–$120,000 / year

DCS is seeking an experienced Junior Developer to join its teams developing exciting and modern Air Force and Navy next-generation mission planning software on an Agile/SAFe team. Contribute to software development as part of a team contributing to a multi-team, multi-organization enterprise using Scaled Agile Framework (SAFe).

12 days ago

Annapolis Junction, MD

$131,300–$237,350

Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. Seeking an experienced and talented software developer to join an existing team that develops and manages software products and tools integral to discovering new mobile data related to the mission.

11 days ago

Laurel, MD

$100,000–$245,000

Experience with (1) Static Analysis tools such as Coverity and Klockwork, (2) Dynamic Analysis tools such as Valgrind, libFuzzer, and Java Pathfinder, (3) Symbolic Execution Engines such as KLEE and angr, (4) Model Checkers such as TLA+ and SPIN, (5) SMT Solvers such as Z3, CVC5 and MathSAT (6) other Automated Theorem Provers such as ACL-2 and GnatProve, (7) Interactive Theorem Provers such as Lean and Rocq, and any other formal methods tools. Experience with formal methods tools and techniques, such as language safety properties, symbolic execution, abstract interpretation, model checking, automated and interactive theorem proving, programming language analysis and design, type theory, static source code analysis, and formal logic.

3 days ago

Laurel, MD

$100,000–$245,000

The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges. We seek experienced reverse engineers and developers who will build inventive cyber capabilities leveraging novel reverse engineering and exploitation techniques.

11 days ago

Laurel, MD

$105,000–$290,000

It requires designing AI-native architectures, orchestrating tool-using agents, and rapidly iterating on prototypes that demonstrate functional, outcome-driven impact. The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges.

11 days ago

Gaithersburg, MD

$107,900–$195,050

If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . Requires BS degree (Computer Science, Engineering or related field) and 10+ year’s of prior relevant experience OR, MS with 7+ year’s of prior relevant experience; OR 7 years of additional experience in lieu of degree.

11 days ago

Hanover, MD

Ability to perform many duties involving DevOps functions including, but not limited to, authoring and maintaining automation deployment and monitoring scripts, researching, implementing and maintaining Continuous Integration / Continuous Delivery (CI-CD) tools and processes, automating application deployments, managing virtualized and containerized assets, creating virtual and physical network configurations, servers, communications, and test and developer engineering support. Interact with developers to understand software changes that will impact development and testing activities, examine any relevant change implementation, then report the changes to developers and testers welcoming feedback for future improvements.

14 days ago

Laurel, MD

$85,000–$195,000

The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.

6 days ago

Laurel, MD

$100,000–$245,000

We are seeking a dynamic, creative, and analytical candidate to help us assess the design and influence the capability development of the U.S. Navy's Maritime Surveillance Systems (MSS) Low Frequency Active (LFA), Compact LFA (CLFA), and prototype Deployable Active Systems. Have earned a US Navy designator, billet classification, or enlisted classification code related to surveillance systems and/or active sonar, or have a B.S. in Engineering, Physics, Mathematics, Computer Science, or related technical field.

11 days ago

Laurel, MD

$100,000–$245,000

You'll be joining our hardworking team of system engineers, algorithm developers, FPGA and embedded software engineers, and advanced EW technology enthusiasts who enjoy working together to craft creative solutions to complex challenges. The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges.

11 days ago

Annapolis Junction, MD

$154,050–$278,475

The selected individual will lead all security engineering efforts for a large, complex network environment with geographically distributed systems; and will manage a team of Information Systems Security Officers (ISSOs) and Information Systems Security Engineers (ISSEs), providing technical leadership and direction to meet program requirements. At least twelve years of experience with defense-in-depth principals/technology (including access control, authorization, identification and authentication, public key infrastructure, network and enterprise security architecture) and applying risk assessment methodology to system development.

6 days ago

Columbia, MD

Bachelor's degree from an accredited college or university in a related discipline and 3+ years of experience. Experience supporting USCYBERCOM, NSA, DoD cyber operations, or related mission environments.

5 days ago

Annapolis Junction, Maryland

Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers’ most demanding challenges.

30+ days ago

Columbia, Maryland

Full time

This role emphasizes AI-assisted IDE capabilities, automated code quality workflows, and experimentation with agentic and autonomous systems to support software development tasks. Overview: BigBear.ai is seeking a Software Engineer 3 to focus on improving the productivity and experience of software developers by building and integrating advanced development tooling.

30+ days ago

Hanover, Maryland

Full time

Overview: As a Senior Software Developer supporting mission-essential national security initiatives, you will design, develop, integrate, and maintain secure, high-performance software solutions that enable critical intelligence, defense, and operational missions. Design, develop and modify software systems, using scientific analysis and mathematical models to predict and measure outcome and consequences of design.

30+ days ago

Annapolis Junction, MD

Full time

You will work at the intersection of software engineering and applied AI, building capabilities that help developers move faster through smarter IDE experiences, better automation, and more effective engineering workflows. You will design AI-assisted developer tooling, experiment with agentic and semi-autonomous systems, and integrate new capabilities into existing platforms and pipelines.

30+ days ago

$154,050–$278,475 / year

You will be responsible for analyzing and resolving highly complex software issues related to multiple aspects and components of the system; collaborate with other experts within the program and in the user community to design, develop, and debug existing software, and to design and develop enhancements that incorporate new capabilities into various components of the existing systems; provide technical leadership for software development activities as a member of an agile team and will actively participate in program increment planning and related team activities. Preferred Qualifications: Experience with the following: JEE, SQL, application servers (Tomcat, WebLogic, JBoss), scripting; experience with high level requirements management including requirements decomposition, secure systems engineering and development, trade-off analysis, interface control, and testing and continuous integration.

30+ days ago

AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. AMERICAN SYSTEMS provides for the welfare of its employees and their dependents through a comprehensive benefits program by offering healthcare benefits, paid leave, retirement plans, insurance programs, and education and training assistance.

30+ days ago

Hanover, MD

The software engineer should have experience with enterprise backend development (preferably, with Java), interfacing with a database, and some experience passing objects between programming layers using Google Protocol Buffers, RPC, or a variant thereof. This position will support a mission-focused customer developing, deploying, and maintaining user-facing Command and Control Systems for embedded devices.

30+ days ago

Annapolis Junction, Maryland

$64,000–$128,000 / year

13 days ago

Hanover, MD

The Software Engineer develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements. Provides specific input to the software components of system design to include hardware/software tradeoffs, software reuse, use of Commercial Off-the-shelf (COTS)/Government Off the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components.

30+ days ago

Columbia, MD

$115,000–$160,000 / year

We embed small engineering teams with analysts to rapidly identify and solve mission capability gaps playing a critical role in defending our nation's cyber infrastructure & providing expertise in malware analysis, attribution, mapping adversarial infrastructure, pen testing, and operational planning. This premier program encompasses traditional software services including Systems Design and Engineering, Database Administration, Data Science and Knowledge Management, Enterprise Risk Management, Integration and Test, as well as Operations and Systems Support.

30+ days ago

68 Alco Place, MD

We want someone who will sit in the office, learn our business end‑to‑end, understand how our systems are actually used by real people, and help us build, fix, and improve internal platforms that drive operations. -You’ll work hands‑on with leadership, operations, and technical systems—and you’ll be expected to suggest better solutions, not just follow tickets.

30+ days ago

Gaithersburg, MD

$87,100–$157,450 / year

What You'll Do Design, develop, and maintain microservices-based applications using modern software engineering best practices Collaborate with product owners, architects, and engineers in an Agile/SAFe environment Participate in sprint planning, daily standups, reviews, and retrospectives Collaborate with systems engineering and program teams to translate requirements into working software solutions Develop clean, maintainable, and testable code following CI/CD and DevSecOps practices Contribute to system design discussions and technical decision-making Integrate services with databases, messaging systems, and external APIs Support troubleshooting, performance tuning, and continuous improvement Work closely with QA, DevOps, and platform teams to ensure reliable delivery Implement modern automated testing strategies, including unit, integration, contract, and end-to-end testing Use AI-assisted development tools to accelerate coding, refactoring, debugging, and test creation Core Technical Qualifications: Bachelor's degree in Computer Science, Engineering, or a related technical field (or equivalent experience) 4+ years of relevant experience or a Master's Degree and 2+ years of relevant experience Hands-on experience building and supporting microservices-based systems Proficiency in at least one modern programming language (e.g., Java, Python, C++, or similar on a Linux-based system) Experience or exposure to AI/ML-enabled systems (Claude-Code), automation, or intelligent platforms. Experience working in Agile environments Understanding of APIs and distributed system concepts Ability to obtain and maintain a Public Trust U.S. citizenship required Successful completion of background investigations as required by the government customer Preferred / Desired Qualifications Experience with Git-based version control and CI/CD pipelines Familiarity with Scaled Agile Framework (SAFe) Experience working with relational and/or NoSQL databases Hands-on experience with Kafka or other event-streaming technologies Cloud experience (AWS, Azure, or GCP) Containerization and orchestration experience (Docker, Kubernetes) Experience working in DevSecOps environments * Experience with test automation frameworks and integration of automated test suites into CI/CD pipelines Why Leidos?

30+ days ago

Gaithersburg, MD

$69,550–$125,725 / year

As a member of a Scaled Agile software development organization, you will contribute to the technical execution of a program that integrates proven, globally deployed technologies with modern cloud-native and AI-enabled capabilities. 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.

30+ days ago

Annapolis Junction, MD

Full time

Or bachelor’s degree in computer science or related discipline from an accredited college or university, plus five years of experience as a Software Engineer in programs and contracts of similar scope, type, and complexity. Master’s degree in computer science or related discipline from an accredited college or university, plus three years of experience as a Software Engineer in programs and contracts of similar scope, type, and complexity.

30+ days ago

Baltimore, MD

We build customer-ready technology workforces for top Fortune 100 companies, government, and system integrators within the U.S. Through collaboration with our software partners and customers, we create and advance purpose-built technology experts with the custom tech stacks, clearances, certifications, and location requirements of our clients. As a result of a robust supply chain of experienced tech professionals, our clients realize their business initiatives faster, and significantly increase productivity with Day-One effective technology teams at scale.

30+ days ago

Annapolis Junction

To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. At General Dynamics Information Technology (GDIT) you'll be part of a team that makes a true impact by building cutting-edge mission-critical applications that help the end user accomplish their mission and keep people safe.

6 days ago

Annapolis Junction, MD

Full time

These capabilities support content and traffic triage, language analysis, workflow collaboration, transcription and sourcing services, and the tracking of workflow history across analysts, teams, and organizations. Additional Experience: 1 year of demonstrated cloud experience with distributed, scalable big data stores such as HBase, CloudBase or Accumulo, BigTable, or similar technologies.

30+ days ago

Hanover, Maryland

Responsibilities: As a key member of our Cyber Range Development Team, you will: Design, develop, and test high-performance front-end web applications supporting cyber training platforms used worldwide. Company Overview: By Light Professional IT Services LLC readies warfighters and federal agencies with technology and systems engineered to connect, protect, and prepare individuals and teams for whatever comes next.

4 days ago

Maryland

This role is ideal for an engineer who enjoys solving complex integration problems, building intuitive user experiences, and delivering reliable systems that operate in high-availability manufacturing environments (production lines, inventory movement, quality workflows, equipment data, etc.). You will develop solutions across web, desktop, and mobile using Microsoft technologies including ASP.NET Core MVC, Blazor, WPF, and .NET MAUI , enabling real-time visibility and streamlined workflows from the shop floor to the back office.

12 days ago

Linthicum, Maryland

$135,000–$216,000 / year
Full time

Responsibilities: Peraton is seeking a Software Developer in our Linthicum, MD office in support of our Department of Defense (DoD) customer as part of a highly talented, highly motivated, and high-performing team. The successful candidate will contribute to protecting national security interests by leveraging technical expertise, analytical skills, and innovative problem-solving to address complex cyber challenges.

30+ days ago

Hanover, Maryland

Full time

Overview: VTG, is seeking a Mid-Level Software Engineer to support a mission-focused customer developing, deploying, and maintaining user-facing Command and Control (C2) systems for embedded devices. Debug and resolve software defects across multiple programming languages (e.g., Java, JavaScript, Python, C++).

30+ days ago

$135,000–$216,000 / year

Code new features: integrate APIs, configure software packages; conduct unit testing and prepare for production; O&M support for running applications (improve and patch). Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace.

30+ days ago

Linthicum, MD

Full time

Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. The engineer will be heavily involved with the creation, maintenance, and running of Pig and or PySpark analytics and is responsible for reviewing data ingest tickets and merge requests with other developers on the team.

30+ days ago

Maryland

Clearance: TS/SCI Full Scope Polygraph Job Summary: We are seeking a Senior Full Stack Software Developer with subject matter expertise (SME) to join our team in Annapolis Junction, MD. The ideal candidate will have a strong background in full stack development and be able to provide guidance and leadership in their area of expertise.

12 days ago

Annapolis Junction, Maryland

Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. CODEX (Cyber Offense and Defense Experts) division brings together an elite team of mission-focused industry experts who are well known for their ability to overcome the most advanced technical challenges.

12 days ago

Annapolis Junction

You'll participate across the full software development lifecycle — designing and documenting systems, writing code and automated tests, and planning and monitoring production deployments — taking ownership of what you build, from architecture and implementation through containerized build and deployment. Put your software and architecture expertise to work designing, building, and sustaining the systems that keep sensitive operations secure, reliable, and ready, and grow your career alongside a team that values iteration and shares every improvement to lift the whole group up.

3 days ago

Gaithersburg, MD

$69,550–$125,725 / year

This work aligns with the FAA's broader initiative to modernize legacy flight service capabilities, replacing aging infrastructure with scalable, cloud-based platforms designed to improve safety and operational efficiency-particularly in remote and high-dependency aviation environments. 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.

12 days ago

Gaithersburg, MD

$107,900–$195,050 / year

AAC is part of the FAA's broader initiative to modernize legacy flight service systems, replacing aging infrastructure with a scalable, cloud-based platform designed to improve safety and operational efficiency-particularly in remote and high-dependency aviation environments like Alaska. Leidos is seeking Senior Software Developers to join the Air Traffic Business Area within the Homeland Sector, supporting the development of the Alaska Automation Capability (AAC).

30+ days ago

Gaithersburg, MD

$87,100–$157,450 / year

AAC is part of the FAA's broader initiative to modernize legacy flight service systems, replacing aging infrastructure with a scalable, cloud-based platform designed to improve safety and operational efficiency-particularly in remote and high-dependency aviation environments like Alaska. Leidos is seeking Lead Software Developers to join the Air Traffic Business Area within the Homeland Sector, supporting the development of the Alaska Automation Capability (AAC).

30+ days ago

Gaithersburg, MD

$131,300–$237,350 / year

AAC is part of the FAA's broader initiative to modernize legacy flight service systems, replacing aging infrastructure with a scalable, cloud-based platform designed to improve safety and operational efficiency-particularly in remote and high-dependency aviation environments like Alaska. Leidos is seeking Principal Software Developers to join the Air Traffic Business Area within the Homeland Sector, supporting the development of the Alaska Automation Capability (AAC).

30+ days ago

Maryland

The candidate basic skill requirements include software development on a Linux-based platform; working knowledge of Python and C programming languages; web-application scripting languages; use of Active Record; and relational database technologies (examples: sqlite; PostgreSQL; MySQL; MS SQL Server; Oracle). The position is for a Security Software Developer to investigate technical requirements, identify product designs/specifications, and develop secure software application solutions for SAINT’s vulnerability, configuration, exploit, analysis and reporting products.

20 days ago

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Software Developer Jobs in Avondale, MD

Software Developer Associate General Dynamics Information Technology

Senior Software Developer Leidos

Software Developer Leidos

Senior Software Engineer (C++ / Java) Jobot

Software Engineer (TS/SCI & full scope Polygraph) Jobot

Sr. Software Engineer Jobot

Junior NextGen Developer DCS Corporation

Principal Software Engineer (SWE-4) Leidos

Formal Verification and Software Assurance Engineer Johns Hopkins Applied Physics Laboratory (APL)

Reverse Engineer and Offensive Cyber Developer Johns Hopkins Applied Physics Laboratory (APL)

AI-Enabled Cyber Capabilities Developer Johns Hopkins Applied Physics Laboratory (APL)

AI Software Engineer Lead Leidos

DevOps Engineer By Light Professional IT Services

Radar System Engineer - Maritime and Next-Generation Radars Johns Hopkins Applied Physics Laboratory (APL)

Maritime Surveillance LFA/CLFA System Design and Operations Analyst Johns Hopkins Applied Physics Laboratory (APL)

Signal Processing Engineer Johns Hopkins Applied Physics Laboratory (APL)

Lead Security Engineer with TS/SCI Poly Leidos

Software Developer (Journeyman Software Developer; Systems Software) Avid Technology Professionals LLC

Junior Software Developer Nightwing Intelligence Solutions

Software Engineer 3 (AI Assisted Developer Tooling) Bigbear.ai

Senior Software Developer VTG

Senior Software Developer Intelliforce-IT Solutions Group

Sr. Software Developer Leidos Holdings Inc

NGTS Software Engineer/Developer American Systems Corp

Senior Software Developer VTG.

Software Developer Nightwing Intelligence Solutions

Junior Software Developer T-Rex Solutions LLC

Junior Backend Software Developer Visionist Inc

In Office Software Developer and Microsoft Power Platform Engineer Ghanem Forwarding LLC

Lead AI Software Developer Leidos Holdings Inc

AI Software Developer Leidos Holdings Inc

Software Developer Intelliforce-IT Solutions Group

Junior Level Software Developer SkillStorm

Junior Software Developer (Active TS/SCI with Poly Required) GD Information Technology

Junior Software Developer Intelliforce-IT Solutions Group

Front-End Senior Software Developer By Light Professional IT Services LLC

Full Stack Software Developer Evapco

Software Developer Peraton

Software Developer VTG

Software Developer Peraton Inc

Software Developer Lentech Inc.

Sr. Full Stack Software Developer (SME) Ascension Federal Services

Senior Software Developer (Hybrid) Nightwing Intelligence Solutions

Senior Software Developer - TS/SCI with Polygraph GD Information Technology

Software Developer Leidos Holdings Inc

Senior Software Developer Leidos Holdings Inc

Lead Software Developer Leidos Holdings Inc

Principal Software Developer Leidos Holdings Inc

Software Developer Carson and Saint

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