Explore 4 java full stack web application developer jobs from 2 hiring companies in Milford Mill, MD, US. Filter by remote, salary, experience, and company, then open any listing to apply.

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Java Full Stack Web Application Developer

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Java Full Stack Web Application Developer Jobs

Ardent Principles

Booz Allen Hamilton

Nightwing

Onsite

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers’ most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in the intelligence community, defense, civil, and commercial markets.<div>Nightwing is currently seeking a Senior Full Stack Web Application Developer in Herndon VA to work on a suite of services that will supply users with tools to automate a wide range of enterprise-wide applications and data centric mission management applications. The candidate will be part of a team of Software Developers, ETL Developers, and Data Scientists to enhance existing production applications and build out new web services on a routinized production cadence to meet the evolving needs of users. This is an exciting opportunity for Software Developers wanting to broaden their credentials in the realm of artificial intelligence and machine learning (AI/ML). This is also an exciting opportunity for the Software Developers to develop hands-on experience with new technical tools/applications.  </div><div>Development will take place in an iterative fashion using Agile development methodology with input from all levels of stakeholders. The candidate must have the ability to communicate with project team members, user community, and leadership to assess changes and demonstrate iterative progress.    This position will include a variety of activities, including: </div><div><ul><li>Fundamental understanding of analytic tools and capabilities. </li></ul></div><div><ul><li>Integrating AI/ML technology into a production web application. </li></ul></div><div><ul><li>Participation with iterative software development teams with adherence to all reporting requirements. </li></ul></div><div><ul><li>Designing, developing and unit testing code for a production system and demonstration capabilities. </li></ul></div><div><ul><li>Developing rapid prototypes to drive out requirements and design. </li></ul></div><div><ul><li>Providing demonstrations and detailed walk through of features to a variety of technical and non-technical audiences. </li></ul></div><div><ul><li>Meeting with stakeholders, analyzing requirements, developing user stories, and translating these into software development tasks.  </li></ul></div><div><ul><li>Development of technical documentation and briefing materials to support program status reviews, control gates, and other presentations as directed. </li></ul></div><div><div>Mandatory Skills </div><div>The ideal Senior-Level candidate will have a blend of at least three of the following skillsets: </div><div><ul><li>Experience in Agile team and software development methodologies.  </li></ul></div><div><ul><li>Minimum 4-6 years building web applications using Angular, React or JavaScript with specific examples. Java Spring framework is a plus.  </li></ul></div><div><ul><li>Solid understanding around UI/UX fundamentals. </li></ul></div><div><ul><li>Minimum 2-4 years of work experience using a Linux Operating system. </li></ul></div><div><ul><li>Minimum 2-4 years of demonstrated experience with development and deployment of applications in cloud services; such as:   AWS, C2S, Azure, Oracle Cloud.  </li></ul></div><div><ul><li>Minimum 2-3 years of demonstrated ability to design, develop, test and implement new applications based on project requirements. </li></ul></div><div><ul><li>The ability to work individually as well as the ability to work in project teams. Proven ability in decomposing concepts to discrete development tasks and managing your work to a deadline. </li></ul></div><div><ul><li>Familiarity of microservices up to include: docker, podman, and or containerization services. </li></ul></div></div><div><div><ul><li> Minimum 3-4 years of demonstrated experience using coding language: Java, Python, JavaScript, CSharp. Python preferred. Other areas of object orientated programming will be considered. </li></ul></div></div><div><div><div>Desired: </div><div><ul><li>Fundamental understanding around text analytics and its applications/role/use in business intelligence/business analytics (i.e. search, entity extraction, sentiment analysis, document summarization, document categorization) whether through education or experience. </li></ul></div><div><ul><li>Demonstrated experience developing proof of concepts of new technologies and evaluating the state of the art in machine learning algorithms for text analytics whether through education or experience. </li></ul></div><div><ul><li>Fundamental understanding around machine learning frameworks such as PyTorch, Keras, Tensorflow whether through education or experience is a plus. </li></ul></div><div><ul><li>Fundamental understanding of data visualization tools (i.e. Tableau, Pandas, D3.js, ggplot, etc) whether through education or experience. </li></ul></div><div><ul><li>Experience with Relational or Non-Relational data stores such as MySQL, Postgres, MongoDB, or DynamoDB whether through education or experience. </li></ul></div><div><ul><li>Familiarity with tools such as Jira, Confluence, and GitHub for documenting work a plus.  </li></ul></div>Bachelor’s degree in Computer Science, Math, or other relevant field and minimum of six years of experience (Master’s degree equates to an additional 2 years of relevant work experience) TS/SCI with Polygraph Required Day 1</div></div>At Nightwing, we value collaboration and teamwork. You’ll have the opportunity to work alongside talented individuals who are passionate about what they do. Together, we’ll leverage our collective expertise to drive innovation, solve complex problems, and deliver exceptional results for our clients. Thank you for considering joining us as we embark on this new journey and shape the future of cybersecurity and intelligence together as part of the Nightwing team.Nightwing is An Equal Opportunity/Affirmative Action 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, age or any other federally protected class.

Application Developer- Full Stack (Senior)

Application Developer - Full Stack

Senior full-stack web developer with 4-6 years of web app experience; skilled in Angular/React/JavaScript; Java Spring is a plus; cloud and Linux experience; AI/ML familiarity a plus.

Full Stack Developer, SeniorThe 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 create a system that will make a difference, we need you on our team. We’re looking for a seasoned developer like you with the expertise needed to build software and systems from vision to production-ready. 

This role is more than just coding. As a lead full stack developer at Booz Allen, you’ll oversee a team as they learn new tools and techniques and identify needed system improvements. You’ll help clients overcome their most difficult challenges using the latest architectural approaches, tools, and technologies. You’ll make sure the solution developed by the team considers the current architecture and operating environment, as well as future functionality and enhancements.  

Work with us as we shape systems for the better.  

Join us. The world can’t wait. 

You Have: 
Experience with developing software using Python, Java, or Javascript
Experience in creating data visualizations that are easy to understand, including options such as cascading, time-shifting, dynamic, and drill down
Experience in data modeling, including normalization of data and working with metrics
Experience in exploring unique and out-of-the-box visualization techniques and how they can be applied to networks
Experience with creating static presentations and static web pages
Experience with developing and maintaining web-based server applications and implementing algorithms that interface with relational databases (DBs) such as MySQL or PostgreSQL
Experience with leading small cross functional teams
Knowledge of agile team development
TS/SCI clearance with a polygraph
Bachelor’s degree in a Computer Science field and 14+ years of experience with software engineering in a Linux environment, or 18+ years of experience with software engineering in a Linux environment in lieu of a degree

Nice If You Have: 
Experience with mono-repo architecture and tooling
Ability to work in an ambiguous, fast–paced, highly collaborative, and team–oriented environment and balance long– and short–term taskings

Clearance:  
Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information; TS/SCI clearance with polygraph is required.

Compensation
At Booz Allen, we celebrate your contributions, provide you with opportunities and choices, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, work-life programs, and dependent care. Our recognition awards program acknowledges employees for exceptional performance and superior demonstration of our values. Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in Booz Allen’s benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits. We encourage you to learn more about our total benefits by visiting the Resource page on our Careers site and reviewing Our Employee Benefits page.

Salary at Booz Allen is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $112,800.00 to $257,000.00 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of Booz Allen’s total compensation package for employees. This posting will close within 90 days from the Posting Date.
Identity Statement
As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during interviews and assessments. We reserve the right to take your picture to verify your identity and prevent fraud.

Candidate AI Usage Policy
AI is a part of our daily work at Booz Allen, and we are committed to the responsible and ethical use of AI tools. However, we want to ensure a fair candidate process based on your own skills and knowledge. As part of this commitment, the use of artificial intelligence (AI) or other tools to assist with responses during interviews (whether in-person or virtual) is prohibited unless permission is explicitly provided.

Work Model
Our people-first culture prioritizes the benefits of collaboration, whether it occurs in person or virtually. To support engagement and effective communication, employees working virtually are generally expected to have their cameras on during meetings.
Remote: If this position is listed as remote, there may still be occasions when you are required to work in person at a Booz Allen or customer facility.

Hybrid: If this position is listed as hybrid, you will be expected to work from a Booz Allen facility frequently, in alignment with leadership expectations and the needs of the role. You may also be required to work from or visit a customer facility.

Onsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.

Commitment to Non-Discrimination
All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law.

Full Stack Developer, Senior

Senior full-stack developer with experience in Python/Java/JavaScript, data visualization, data modeling, web applications, and leading small cross-functional teams; TS/SCI with polygraph; Bachelor's in Computer Science with 14+ years (or 18+ years in lieu of degree) in Linux environment.

Ardent Principles, Inc.

<div>
 <div>REQUIRED:&nbsp; Active TS/SCI with Full Scope Polygraph LOCATION:&nbsp; Full-time onsite in Herndon, VA LEVEL:&nbsp; Two to Four years' experience We’re seeking an Applications Developer who can translate complex requirements into well‑structured, high‑quality software solutions. The ideal candidate brings hands‑on experience building modern web applications using Angular, React, or JavaScript, paired with a solid understanding of UI/UX fundamentals and object‑oriented programming in Python, Java, JavaScript, or C#.&nbsp; Who We Are: We offer advanced services in data science, data engineering, software engineering, AI solutions, cybersecurity, staff augmentation, and IT program management. Passionate Integrity, Driven by Excellence Ardent Principles offers a competitive salary range and a comprehensive, industry‑leading benefits package designed to support long‑term stability and employee well‑being. We provide more than a position—we offer a workplace committed to excellence, integrity, and mission‑focused impact.&nbsp; Our mission is to act as a bridge between satisfied clients and fulfilled employees, ensuring that your job and well-being are our top priorities because your satisfaction leads to the success of our clients. Join us as we continue building the future of secure, high‑impact solutions.</div></div>
 <h2>Key Responsibilities</h2>
 <div><div>In this challenging yet rewarding role, you are an integral part of what brings our Company's mission to life. You must have the following required skills, certifications and demonstrated experience in and/or with: The ideal Senior-Level candidate will have a blend of at least three of the following skillsets:</div><ul><li>Agile team and software development methodologies.</li><li>Minimum 4-6 years building web applications using Angular, React or JavaScript with specific examples. Java Spring framework is a plus.</li><li>Solid understanding around UI/UX fundamentals.</li><li>Minimum 2-4 years of work experience using a Linux Operating system.</li><li>Minimum 2-4 years of demonstrated experience with development and deployment of applications in cloud services; such as: AWS, C2S, Azure, Oracle Cloud.</li><li>Minimum 2-3 years of demonstrated ability to design, develop, test and implement new applications based on project requirements.</li><li>Ability to work individually as well as the ability to work in project teams. Proven ability in decomposing concepts to discrete development tasks and managing your work to a deadline.</li><li>Familiarity of microservices up to include: Docker, Podman, and or containerization services.</li><li>Minimum 3-4 years of demonstrated experience using coding language: Java, Python, JavaScript, CSharp. Python preferred. Other areas of object orientated programming will be considered.</li></ul><div>EDUCATION or EQUIVALENT EXPERIENCE Candidates must have a Bachelor's Degree and a minimum of eight (8) years of experience, or 11 years of experience without a degree.</div></div>
 <h2>Highly Desired Qualifications</h2>
 <div><div>Other skills and demonstrated experiences that are highly desired but not mandatory to perform the work, include:</div><ul><li>Fundamental understanding around text analytics and its applications/role/use in business intelligence/business analytics (i.e. search, entity extraction, sentiment analysis, document summarization, document categorization) whether through education or experience.</li><li>Developing proof of concepts of new technologies and evaluating the state of the art in machine learning algorithms for text analytics whether through education or experience.</li><li>Fundamental understanding around machine learning frameworks such as PyTorch, Keras, Tensorflow whether through education or experience is a plus.</li><li>Fundamental understanding of data visualization tools (i.e. Tableau, Pandas, D3.js, ggplot, etc) whether through education or experience.</li><li>Relational or Non-Relational data stores such as MySQL, Postgres, MongoDB, or DynamoDB whether through education or experience.</li><li>Familiarity with tools such as Jira, Confluence, and GitHub for documenting work is a plus.</li></ul></div>
 <h2>What We Offer You</h2>
 <div><div>What We Offer You:</div><ul><li>Highly Competitive Salary: Recognizing and rewarding your expertise and contributions.</li><li>Generous Paid Time Off: Providing ample time for rest, relaxation, and personal pursuits.</li><li>Dedicated Training Budget: Supporting continuous learning and professional development.</li><li>100% Employer-Covered Family Vision, Dental, and Health Insurance: Ensuring comprehensive health coverage for you and your family.</li><li>100% Employer-Covered Life and Disability Insurance: Offering financial security and peace of mind.</li><li>401(k) Plan with a 6% Employer Match: Helping you plan and save for a secure retirement, with 100% vesting from day one.</li><li>11 Paid Government Holidays: Observing national holidays to ensure time off with family and friends.</li><li>Spot Bonuses for Exceptional Performance: Rewarding outstanding contributions and achievements.</li></ul><div>SCHEDULE:</div><div>This is a full-time position with consultants expected to be available and working onsite in Herndon, VA during core hours. </div><div>Ready to take the next step in your career? Join us and be part of a team dedicated to driving positive change through technology. Apply now with our easy 3-minute, mobile-friendly initial application process. Your future starts here!</div></div>

Applications Developer (Full Stack Developer - Senior)

Applications Developer

Senior-level developer with active TS/SCI with Full Scope Polygraph; 4+ years web app experience; strong Python/Java/JS/C# OO skills; cloud and Linux experience;Bachelor's degree or 11 years experience without degree.

<div>
 <div>REQUIRED:&nbsp; Active TS/SCI with Full Scope Polygraph LOCATION:&nbsp; Full-time onsite in Herndon, VA LEVEL:&nbsp; Four to Seven years' experience We’re looking for an Applications Developer who can break down requirements into actionable development tasks to delivering production‑ready solutions on schedule. This role is ideal for someone with a proven track record designing, developing, testing, and deploying modern applications across AWS or C2S environments, and who brings deep experience building web applications and UI frameworks using Angular, React, or JavaScript. You’ll work hands‑on with Linux systems, microservices and containerization technologies, and search/analytics platforms such as ElasticSearch, Solr, or OpenSearch. Who We Are: We offer advanced services in data science, data engineering, software engineering, AI solutions, cybersecurity, staff augmentation, and IT program management. Passionate Integrity, Driven by Excellence Ardent Principles offers a competitive salary range and a comprehensive, industry‑leading benefits package designed to support long‑term stability and employee well‑being. We provide more than a position—we offer a workplace committed to excellence, integrity, and mission‑focused impact.&nbsp; Our mission is to act as a bridge between satisfied clients and fulfilled employees, ensuring that your job and well-being are our top priorities because your satisfaction leads to the success of our clients. Join us as we continue building the future of secure, high‑impact solutions.</div></div>
 <h2>Key Responsibilities</h2>
 <div><div>In this challenging yet rewarding role, you are an integral part of what brings our Company's mission to life. You must have the following required skills, certifications and demonstrated experience in and/or with:</div><ul><li>Ability to work individually as well as the ability to work in project teams. Proven ability in decomposing concepts to discrete development tasks and managing your work to a deadline.</li><li>Minimum 4-6 years of demonstrated ability to design, develop, test and implement new applications based on project requirements.</li><li>Minimum 5-7 years building web applications and UI/UX frameworks using Angular, React or JavaScript with specific examples. Java Spring framework is a plus.</li><li>Minimum 5-7 years‚experience working with Linux Operating systems</li><li>Minimum 4-6 years of demonstrated experience with development and deployment of applications in the Commercial Cloud Services (C2S) environment or an Amazon Web Services (AWS) cloud environment.</li><li>Minimum 4-6 year of demonstrated experience with search &amp; analytic tools. Examples to include ElasticSearch, Solr, OpenSearch.</li><li>Minimum 4-6 years of microservices up to and including docker, podman, and or containerization services.</li><li>Strong development experience is required. Minimum 4-6 years of Object Orientated software development experience is required. Python is preferred but would consider Java, CSharp, HTML, or SQL.</li><li>Fundamental understanding of Extract, Transform, Load (ETL) processing with large structured and unstructured raw data sets. This can be demonstrated through education or OJT experience.</li></ul><div>EDUCATION or EQUIVALENT EXPERIENCE Bachelor's Arts degree in Computer Science, Math, or other relevant field and minimum of six years of experience (Master's degree equates to an additional 2 years of relevant work experience)</div></div>
 <h2>Highly Desired Qualifications</h2>
 <div><div>Other skills and demonstrated experiences that are highly desired but not mandatory to perform the work, include:</div><ul><li>Text analytics and its applications/role/use in business intelligence/business analytics (i.e. search, entity extraction, sentiment analysis, document summarization, document categorization) whether through education or experience.</li><li>Familiarity around machine learning frameworks such as PyTorch, Keras, Tensorflow whether through education or experience.</li><li>Familiarity experience with data visualization tools (i.e. Tableau, Pandas, D3.js, ggplot, etc) whether through education or experience.</li><li>Using Relational or Non-Relational data stores such as MySQL, Postgres, MongoDB, or DynamoDB whether through education or experience. Proven examples is a plus</li><li>Working in Agile software development teams.</li><li>Collaboration using Jira, Confluence, and GitHub for documenting work.</li></ul></div>
 <h2>What We Offer You</h2>
 <div><div>What We Offer You:</div><ul><li>Highly Competitive Salary: Recognizing and rewarding your expertise and contributions.</li><li>Generous Paid Time Off: Providing ample time for rest, relaxation, and personal pursuits.</li><li>Dedicated Training Budget: Supporting continuous learning and professional development.</li><li>100% Employer-Covered Family Vision, Dental, and Health Insurance: Ensuring comprehensive health coverage for you and your family.</li><li>100% Employer-Covered Life and Disability Insurance: Offering financial security and peace of mind.</li><li>401(k) Plan with a 6% Employer Match: Helping you plan and save for a secure retirement, with 100% vesting from day one.</li><li>11 Paid Government Holidays: Observing national holidays to ensure time off with family and friends.</li><li>Spot Bonuses for Exceptional Performance: Rewarding outstanding contributions and achievements.</li></ul><div>SCHEDULE:</div><div>This is a full-time position with consultants expected to be available and working onsite in Herndon, VA during core hours. </div><div>Ready to take the next step in your career? Join us and be part of a team dedicated to driving positive change through technology. Apply now with our easy 3-minute, mobile-friendly initial application process. Your future starts here!</div></div>

Applications Developer (Full Stack Developer - Expert)

Active TS/SCI with Full Scope Polygraph; 4-7 years’ experience; onsite in Herndon, VA; strong web app development with Angular/React/JavaScript; Linux, AWS/C2S; ElasticSearch/Solr/OpenSearch; Docker/containers; OO language such as Python/Java/C#/HTML/SQL; ETL understanding; BS in CS/Math or related with experience.

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