Software Engineer Iii jobs in Annapolis Junction – Browse 193 openings on RoboApply Jobs

Software Engineer Iii jobs in Annapolis Junction

Open roles matching “Software Engineer Iii” with location signals for Annapolis Junction. 193 active listings on RoboApply Jobs.

193 jobs found

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Arsiem logoArsiem logo
Full-time|On-site|Annapolis Junction, MD

Join Arsiem as a Software Engineer III, where you will play a critical role in developing cutting-edge software solutions. You will collaborate with cross-functional teams to design, implement, and maintain software applications that meet both client and industry standards. This is an exciting opportunity for those looking to advance their skills in a dynami…

Apr 3, 2026
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Wyetech LLC logoWyetech LLC logo
Full-time|On-site|Annapolis Junction, Maryland

Join Wyetech, where our award-winning corporate culture is at the forefront of technological innovation, tackling complex challenges for our federal government clients. We pride ourselves on attracting top-tier talent and offering a unique employee experience that sets us apart in the industry.As a Software Engineer III, you will play a critical role in the design, development, testing, deployment, documentation, maintenance, and enhancement of sophisticated software systems tailored to meet documented requirements. These systems may encompass high-performance analytics, innovative algorithm development, manipulation of extensive datasets, real-time systems, business management information systems, and systems integrating data repositories, transport services, and application development and monitoring. You will work autonomously or collaboratively within a team, ensuring software components align with design specifications and documenting test results. You will also address software problem reports and apply suitable software development methodologies pertinent to the operational environment. Your contributions to system design will include assessing hardware/software trade-offs, software reuse, and the integration of Open Source Software (OSS) and Commercial Off-The-Shelf (COTS) solutions, as well as conducting requirements analysis and synthesis for both system-level and individual software components. Proficiency in Unix and shell scripting is essential, along with a solid understanding of Configuration Management (CM) tools and Web Services implementation.In this role, you will also be responsible for developing, enhancing, and maintaining automation tools that support system management infrastructure software and services specifically for High Performance Computing (HPC) systems in a Linux environment.Note: Due to federal contract requirements, U.S. Citizenship and a position-appropriate security clearance (e.g., Active TS/SCI security clearance with agency-appropriate polygraph) are mandatory.

Jan 14, 2026
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Wyetech LLC logoWyetech LLC logo
Full-time|On-site|Annapolis Junction, Maryland

Wyetech LLC is hiring a Software Engineer III to join the team in Annapolis Junction, Maryland. This role centers on designing, building, and maintaining software applications that help meet client objectives. Key responsibilities Design software systems and applications according to client requirements Develop new features and enhance existing code Maintain and support deployed software to keep systems reliable Location This position is based on site in Annapolis Junction, Maryland.

Apr 22, 2026
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Wyetech LLC logoWyetech LLC logo
Full-time|On-site|Annapolis Junction, Maryland

Wyetech LLC, located in Annapolis Junction, Maryland, develops dependable software solutions for a diverse group of clients. The company values technical skill and a commitment to building products that address genuine needs. Role overview The Software Engineer III will be part of a talented engineering team, contributing expertise to the design, development, and implementation of software projects. This role requires a solid background in software engineering and a focus on delivering effective solutions. What you will do Design and build scalable, maintainable software systems Collaborate with cross-functional teams throughout the development lifecycle Troubleshoot and debug existing software to enhance performance and reliability Mentor junior engineers, sharing knowledge and supporting their professional growth Who succeeds in this role Engineers with experience in hands-on development and team collaboration Individuals who are comfortable guiding others and offering technical insight Those who value building software that meets real-world requirements This position is based in Annapolis Junction, Maryland.

Apr 22, 2026
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Arsiem logoArsiem logo
Full-time|On-site|Annapolis Junction, MD

Join our innovative team at Arsiem as a Software Engineer III! In this role, you'll engage in dynamic software development projects that push the boundaries of technology. Collaborate with talented engineers and contribute to cutting-edge solutions that impact various sectors.

Apr 3, 2026
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Arsiem logoArsiem logo
Full-time|On-site|Annapolis Junction, MD

Join Arsiem as a Software Engineer III, where your technical expertise will contribute to innovative software solutions that meet our clients' needs.

Apr 3, 2026
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Wyetech LLC logoWyetech LLC logo
Full-time|On-site|Annapolis Junction, Maryland

Wyetech LLC seeks a Software Engineer III based in Annapolis Junction, Maryland. The position involves designing, developing, and implementing software applications as part of a collaborative team. Role overview This role focuses on building reliable and efficient software solutions. Teamwork is a key part of daily work, with engineers sharing knowledge and supporting each other to meet project goals. What you will do Design and develop software applications from concept through deployment Implement solutions that meet reliability and efficiency standards Work closely with team members to solve technical challenges Location This position is based in Annapolis Junction, Maryland.

Apr 22, 2026
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ClearEdge logoClearEdge logo
Full-time|On-site|Annapolis Junction, MD

Join ClearEdge, where you will be part of a dedicated team tackling some of the most intricate technical challenges faced by the Department of Defense (DoD). Each day, we empower government and industry clients by providing cutting-edge solutions that are essential for operational success and mission fulfillment.At ClearEdge, we pride ourselves on offering an exceptionally competitive benefits package, which includes a $10,000 annual training and education allowance, a fully vested 10% 401(k) contribution from day one, annual health and technology stipends, and access to a state-of-the-art technology lab. For more details, please visit www.clearedgeit.com/careers/.Your Mission:As a Software Engineer III, you will play a crucial role in the development and maintenance of infrastructure software and services for High Performance Computing (HPC) systems within a Linux environment. You will be responsible for designing, building, testing, and maintaining software components that facilitate our mission operations. Your responsibilities will include working with containerized applications, automating deployment processes, and integrating continuous delivery pipelines.Please note that this position requires a current polygraph completed within the last seven years.

Oct 30, 2024
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Wyetech LLC logoWyetech LLC logo
Full-time|On-site|Annapolis Junction, Maryland

Role overview Wyetech LLC is hiring a Software Engineer III for its Annapolis Junction, Maryland office. This position centers on designing, building, and maintaining software applications that align with company objectives. The engineer will team up with colleagues from various departments to deliver dependable solutions. What you will do Develop and maintain software applications that support business needs Work with cross-functional teams throughout each project phase Help ensure product quality through testing and participating in code reviews Location This position is located on-site in Annapolis Junction, Maryland.

Apr 22, 2026
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Wyetech LLC logoWyetech LLC logo
Full-time|On-site|Annapolis Junction, Maryland

Join Wyetech, where you will be part of a celebrated corporate culture that prioritizes innovation and tackles pressing challenges for our federal government clients. We are dedicated to recruiting top-tier talent and, in return, offer an exceptional employee experience that stands out in our industry.As a Cloud Software Engineer, you will provide comprehensive cloud software research, development, and engineering services. Your responsibilities will include conducting requirements analysis, developing software solutions, and managing the installation, integration, evaluation, enhancement, sustainment, testing, and validation of cloud applications, along with diagnosing and resolving issues.Please note that due to federal contract regulations, candidates must be U.S. citizens and possess the appropriate security clearance, such as an Active TS/SCI clearance with a relevant polygraph.

Oct 13, 2025
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ClearEdge logoClearEdge logo
Full-time|On-site|Annapolis Junction, MD

Become a vital part of ClearEdge, where our mission-driven team tackles some of the most intricate technical challenges faced by the Department of Defense. Each day, we empower government and industry partners by providing cutting-edge solutions that ensure operational excellence and mission success.At ClearEdge, we pride ourselves on offering a highly competitive benefits package, which includes a $10,000 annual training and education allowance, a generous 10% contribution to your 401(k) plan—fully vested from day one, along with annual allowances for health and technology needs. Additionally, gain access to a state-of-the-art technology lab to further enhance your skills and work experience. Discover more at www.clearedgeit.com/careers/Your Mission: As a Software Integration Engineer III, you will be integral in the integration, installation, configuration, and maintenance of mission-critical software within a complex operational landscape. You will support a multi-tenant Kubernetes on-premise platform that serves as the backbone for advanced applications across diverse teams. This role combines hands-on system engineering with DevOps principles to ensure the utmost reliability, performance, and security at scale.

Feb 25, 2025
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Anthem Engineering logo
Full-time|On-site|Annapolis Junction, MD

Join our dynamic team at Anthem Engineering, where we are at the forefront of prototyping and developing innovative technologies and solutions to address critical issues within our division. Collaborating closely with analysts, we identify workflow challenges and create effective, user-friendly solutions.Our work encompasses a diverse range of applications and services tailored to support various missions, with an environment that is fast-paced and constantly evolving. Over the past year, we have successfully built tools that: Ingest, process, and analyze extensive data sets for high-stakes Presidential initiatives,Directly support forces safeguarding American lives in high-risk situations,Organize, process, and visualize crucial intelligence data, effectively preventing loss of life,Utilize geospatial tools and analytics to identify and track essential assets, andImplement AI/ML algorithms to tackle real-world challenges. Our strong partnership with government clients is integral to our success. They rely on our insights and recommendations, granting us the autonomy to select the best tools for each unique challenge.Each project we undertake presents distinct operational and technological constraints. We leverage a variety of frameworks, libraries, and programming languages to customize our solutions, including: TypeScript and JavaScript,React, Angular, Material UI, Bootstrap, Storybook,Java, Spring Boot,Elasticsearch, MongoDB, MySQL,npm, Webpack, Maven,Jest, JUnit, andGit. We are committed to continuous learning and the adoption of new tools, so adaptability is key. While we don’t expect everyone to know everything, we value a team that is eager to learn and grow together. Onsite work at customer location is required.

Mar 1, 2026
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Wyetech LLC logoWyetech LLC logo
Full-time|Hybrid|Annapolis Junction, Maryland

Join Wyetech, where innovation meets an award-winning corporate culture. We are dedicated to pushing technological boundaries and addressing genuine challenges faced by our federal government clients. Our commitment to excellence means we attract top-tier talent, and in return, we provide an unparalleled employee experience that is a rarity in our sector.We are on the lookout for a motivated Software Engineer III to become a key member of our Agile Software team, focusing on enhancements for a metrics and monitoring system, which includes a central health and status dashboard. The ideal candidate will collaborate with System Engineers and Software Developers to implement effective solutions and showcase the capabilities integrated into the system. This role entails coordinating status across diverse data sources and generating alerts based on events, metrics, and reports.***This position comes with a $5,000 bonus! (Includes a 20% SEP IRA contribution)***Please note: Due to federal contract stipulations, U.S. Citizenship and the appropriate security clearance (e.g., Active TS/SCI clearance with agency-specific polygraph) are required.

Feb 24, 2026
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captivation logocaptivation logo
Full-time|On-site|Annapolis Junction, MD

Role overview captivation seeks a Software Engineer III in Annapolis Junction, MD. This position centers on designing and refining scalable data pipelines and analytics tools. The team values collaboration and works together to overcome technical challenges, delivering solutions that enable data-driven decision making. What you will do Develop and maintain systems using Linux, Bash, and Python Orchestrate data workflows with Apache Airflow Query and manage data with SQL Enhance analytics features using Jupyter Notebook and NumPy Process and integrate data in JSON format Requirements Hands-on experience with Linux, Bash, and Python Familiarity with Apache Airflow, SQL, Jupyter Notebook, NumPy, and working with JSON data Comfortable collaborating with others Interest in solving technical problems Motivated by technology and working with data

Apr 24, 2026
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Wyetech LLC logoWyetech LLC logo
Full-time|On-site|Annapolis Junction, Maryland

About Wyetech LLC Wyetech LLC supports federal government clients with technology solutions that address practical challenges. The company values strong technical talent and is recognized for its employee-focused culture. Location Annapolis Junction, Maryland Security Clearance Requirement This role requires U.S. citizenship and an active TS/SCI security clearance with an agency-specific polygraph, as specified by federal contract guidelines.

Apr 16, 2026
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Wyetech LLC logoWyetech LLC logo
Full-time|On-site|Annapolis Junction, Maryland

Wyetech LLC seeks a Test Engineer III to join the team in Annapolis Junction, Maryland. The main focus of this position is to support product quality and reliability through practical testing and ongoing process improvement. Key responsibilities Create and execute test plans for both new and existing products Collaborate with engineering, product, and cross-functional teams Enhance testing approaches to help ensure strong product quality Location This role is on-site in Annapolis Junction, Maryland.

Apr 22, 2026
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Captivation logoCaptivation logo
Full-time|On-site|Annapolis Junction, MD

Role overview Captivation seeks a Software Engineer III with a background in C++, DevOps, and RF technologies. This full-time position is located in Annapolis Junction, MD. The engineer will join a collaborative team focused on delivering software solutions tailored to client needs. What you will do Design, develop, and maintain software applications using C++ Implement DevOps practices to improve deployment and integration workflows Integrate RF technologies into the software development process Collaborate with fellow engineers throughout the software lifecycle Test and refine applications to uphold quality and reliability standards

Apr 24, 2026
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captivation logocaptivation logo
Full-time|On-site|Annapolis Junction, MD

Captivation is seeking a Software Engineer III in Annapolis Junction, MD. This position centers on building and refining development workflows, drawing on strong skills in Linux, Bash, and Python. The team emphasizes practical problem-solving and values clear, open communication. What you will do Create and maintain tools and scripts to automate and support deployment tasks Work with technologies including Linux, Bash, Python, Docker, Git, Kubernetes, Atlassian tools, Ansible, and CI/CD pipelines Identify ways to streamline and improve the efficiency of the software development lifecycle Collaborate with colleagues to spot and resolve workflow bottlenecks Key technologies Linux Bash Python Docker Git Kubernetes Atlassian tools Ansible CI/CD Location This role is based in Annapolis Junction, MD.

Apr 24, 2026
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avalore logoavalore logo
Full-time|On-site|Annapolis Junction, Maryland, United States

Join our team at avalore as a Senior Software Engineer, where you'll be instrumental in developing, maintaining, and enhancing sophisticated software systems. Your expertise will contribute to various areas, including processing-intensive analytics, novel algorithm development, large data set manipulation, real-time systems, and business management information systems.In this role, you'll work both independently and collaboratively within a team. You'll review and test software components to ensure they meet design requirements, document your findings, and resolve software issues efficiently. Leveraging appropriate software development and design methodologies, you will provide critical input on system design, including hardware/software trade-offs and the use of Commercial Off-the-shelf (COTS) and Government Off-the-shelf (GOTS) solutions.Analyze user requirements to derive software design and performance specifications.Debug existing software and rectify defects.Recommend enhancements to documentation and software development process standards.Design and code new software or modify existing applications to integrate new features.Integrate existing software into new or modified systems or operating environments.Develop basic data queries for existing or proposed databases or data repositories.Write or review software and system documentation.Lead a team when appropriate, based on the software development process used for each project.Design or implement complex database interfaces and queries.Develop and implement algorithms that meet or exceed system performance and functional standards.Assist in developing and executing test procedures for software components.Analyze system performance standards, confer with users or system engineers, assess systems flow, data usage, and work processes, and investigate problem areas to develop software solutions.Modify existing software to correct errors, adapt to new hardware, or enhance performance.Utilize scientific analysis and mathematical models to design, develop, and modify software systems.Implement complex algorithms while adhering to stringent timing, system resource, or interface constraints.Perform quality control on team outputs.Implement recommendations for improving documentation and software development process standards.Oversee software development teams and ensure adherence to project constraints.

Oct 27, 2025
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ClearEdge logoClearEdge logo
Full-time|On-site|Annapolis Junction, MD

Become a vital part of the ClearEdge team, where you will help tackle some of the most intricate technical challenges faced by the Department of Defense (DoD). Our mission-driven approach enables us to provide innovative solutions that are crucial for the success of government and industry operations.At ClearEdge, we pride ourselves on offering a robust benefits package, which includes a $10,000 annual budget for training and education, a generous 10% 401(k) contribution that is fully vested from day one, annual allowances for health and technology, and access to a cutting-edge technology lab. Discover more about us at www.clearedgeit.com/careers/Your Mission:As a Principal Software Engineer, you will collaborate within a five-member Agile Software Team focused on enhancing features for a metrics and monitoring system, including a centralized health and status dashboard. You will work closely with System Engineers and Software Developers to design and implement scalable, secure, and high-performance solutions that aggregate data from various sources and provide alerts based on metrics, events, and reports.Your responsibilities will encompass supporting and refining a virtual compute and containerized application stack, ensuring the integration of DevOps best practices throughout the system lifecycle. This role will involve developing lightweight application variants suited for environments with limited resources, creating shareable versions for U.S. partners, containerizing mission applications, and ensuring that performance benchmarks are achieved across both low and high security environments.

Mar 2, 2026

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