Software Engineer
Open Systems Technologies
Open Systems Technologies Corporation is a leader in the government contracting marketplace, providing Enterprise Security and Cloud Computing solutions to support large organizations. Our capabilities include supplying federal government entities and private businesses with software development, scientific and engineering technical assistance, systems integration, and enterprise security. Since its founding in 1996, OST has been committed to delivering high-quality, best-in-class results that bring added value to our clients while investing in our employees' futures by providing exciting projects to work on, and robust benefits to include technical training and certifications, relocation assistance, and a 401K match with immediate vesting.
Open Systems Technologies Corporation is looking for a Software Engineer to join a high-performing agile team that uses the Scaled Agile Framework (SAFe) methodology to support a nationally significant and fast-paced program. Program execution follows DEVOPS best practices and employs robust development, test, and production environments. Behavior Driven Development (BDD) and test automation tools are utilized alongside a full suite of team collaboration tools. The program is focused on injecting new technology and adding advanced capabilities in support of an ongoing operational system. Responsibilities: The Software Engineer will complete software development tasks both individually and as a member of an agile team. The selected individual will actively participate in program increment planning and related team activities. He/she/they will analyze and study complex system requirements, use design software tools, provide support using formal specifications, data flow diagrams, and other accepted design techniques with the use of Computer Aided Software Engineering (CASE) tools, and will use sound software engineering principles to ensure that developed code is modifiable, efficient, reliable, understandable, fault-tolerant, and reusable. The selected candidate will provide software process management and control throughout the coding portion of the software development process and will promote code reuse and cross-program collaboration by creating common functions and shared actions for developers and testers. He/she/they will engineer, author, tune and document automation scripts in a development environment and deploy to the test/production bench. Required Qualifications :- Clearance: TS/SCI w CI Poly
- Bachelor's Degree in Computer Science or a related discipline Relevant work experience may be substituted for a Degree
- Demonstrated experience with Java is required.
- Experience or familiarity with multiple of the following: Java/J2EE, Python, C/C++, SQL, SOAP, WSDL, WADL, PERL, PowerShell, VBS, Eclipse, Postgres, Oracle, and Jenkins on a Windows platform
- Experience with User Interface development, knowledge of databases and structures, and/or experience working with XHTML, HTML, XML, XSLT
- Experience developing on Windows and/or Linux operating systems
- Must have a strong understanding of sound software development principles and practices
- Must be able to plan and prioritize personal tasks and be able to communicate effectively verbally and in writing
- Must be an independent thinker, capable of performing high-quality work, both independently and with a team, in a fast-moving environment
- Experience with the following: JEE, SQL, application servers (Tomcat, WebLogic, and JBoss), scripting
- Experience with high-level requirements management, including requirements decomposition, secure systems engineering and development, trade-off analysis, interface control, testing, and continuous integration
- Experience in software development on Agile teams using Agile Developer practices such as Pair Programming, BDD, Refactoring, and ATDD
- Experience with FITNesse, Mockito, Cucumber, Unified Functional Tester (UFT), and Selenium
- Experience with Behavior-Driven Development (BDD) or Test-Driven Development (TDD)
- Secure Software development (i.e. Layer 7 Policy)
- Experience with the Scaled Agile Framework (SAFe) methodology, SAFe Agilest Certification, or past experience as a member of an agile team
BENEFITS OST is an Equal Opportunity Employer and has been operating since 1996 providing support on various contracts with Government agencies. We offer a comprehensive benefits package that includes 3 weeks paid time off, 11 Federal Holidays, medical/dental coverage, STD, LTD, Life Insurance, AD&D, 401k with up to 4% match, and end-of-year profit sharing.
- ...an employment Visa. What You’ll Be Doing (We don’t love the bullet points, but we love the work!) In this key role as a Software Engineer, you'll get to transform a Streamlit-built UI prototype into a polished, production-ready interface, with a roadmap to extend...SuggestedVisa sponsorshipWork visa
$203k - $260k
...Full Stack Software Engineer - Data Analytics Team Make an Impact Where It Matters Most At Intelliforce, we put powerful technology directly into the hands of mission operators. In this role, you will build tools that turn complex data into actionable insight for...SuggestedImmediate startVisa sponsorship$10k
...one capability to perform functions instead of multiple processes for similar capabilities. Detail oriented and team driven Software Engineers will provide full lifecycle support, to include modernization, of applications and tools. We are seeking a highly motivated...Suggested$2,500 per month
...Prodigy One, LLC. is a systems and software engineering services firm providing more than 45 years of service to state and federal customers. By combining unparalleled experience and capabilities, our company provides big data, cloud development, and enterprise management...SuggestedFor contractorsImmediate start$175k
...Founded in 2007 and headquartered in Columbia, Maryland, Synergy ECP is a leading provider of cybersecurity, software and systems engineering and IT services to the U.S. intelligence and defense communities. The company leverages its expertise in data transport solutions...SuggestedFor contractorsWork at officeRemote workFlexible hours$150k - $270k
...bringing diverse perspectives to every project. We are seeking engineers who wish to grow their careers and want to become part of a... ...computer science or related discipline or four additional years’ software engineering experience. Master’s degree can be substituted for...Hourly payTemporary workImmediate startFlexible hours$10k
...Description When You Love the Work You Do, Any Mission Is Possible Position: Full Stack Software Engineer ***(Active Clearance with a Polygraph is Required) We're on multiple contracts and have many opportunities. It is encouraged if applicants don't meet...Extra income- ...team by applying today! Interclypse is seeking to build a new software team to work on a fast-paced program using modern technologies... ...in computer science or similar related field Lead Software Engineer 10 plus years of experience Senior Software Engineer 5 plus...Full timeTemporary workFlexible hours
$131.8k - $290k
CACI International Inc. is seeking a Senior Software Engineer for a full-time position in Annapolis Junction, MD. The role involves developing and maintaining complex software systems and requires a strong background in software engineering, teamwork, and thorough knowledge...Full time- ...WORK This senior role fosters collaboration with other senior engineers for the development of advanced data analytics solutions and... ...and opportunities. This Program is seeking a full stack software engineer to develop, maintain and enhance complex and diverse...
$186.07k - $218.9k
...together quarterly for intense in-person working sessions called “surges.”learn more about working at Coinbase. As a Senior Software Engineer on the Platform Core Automation team, you'll build the AI infrastructure and agentic systems that automate customer support...Local area- Build software that helps operators make sense of fragmented, high-volume cyber data Make complex cyber workflows more reliable, observable... ...shipping, and supporting production software through software engineering in a professional environment 3+ years of experience building...
$86.9k - $198k
Job Number: R0245603 Cyber Platforms Software Engineer, Senior The Opportunity: We build software for large, fast-changing cyber problems where speed, scale, and complexity demand better tools. As a Senior Software Engineer, you’ll work across production systems used...Full timeContract workPart timeWork at officeLocal areaRemote work- ...Software Full Stack Developer Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and... ...system performance standards, confer with users or system engineers; analyze, systems flow, data usage and work processes; and investigate...Flexible hours
$170k - $190k
...Location: Annapolis Junction, Maryland Type: Contract Job #3948 Title: Software Engineer Location: Annapolis Junction, MD Compensation Range: $170 - $190K *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview:...Contract work$135.7k - $251.9k
...all your education and experience as well as the resources of Lockheed Martin to keep the threats at bay. THE WORK As a Software Engineer - Senior Level you will be responsible for: • Developing, maintaining, and enhancing complex and diverse software systems (e...Full timeTemporary workWork experience placementFlexible hours- ...discipline from an accredited college or university is required. Four (4) years of additional SWE experience on projects with similar software processes may be substituted for a bachelor's degree. Desired:• Patch management and IAVA tracking • Python • Java •...
- ...Position: Software Engineer 1 Location: Annapolis Junction, MD Clearance Required to Start: TS/SCI w/ full scope poly KeyLogic is seeking a Software Engineer 1 to join the software development team who will develop and sustain integrated, feature-rich capabilities...For contractorsRemote work
$180k - $235k
...Momentum Engineering, Inc. fosters an employee-centric culture. Our strength lies in our people. With a high percentage of employees holding... ...Job Summary Seeking a highly skilled Senior Cloud Software Engineer to support a team within a large-scale, mission-critical...Hourly payRemote work$24 - $31 per hour
...Software Engineering Co-opWe are the leader in COTS FPGA-based high-performance computing. Our accelerator products employ the latest FPGA and SoC technology to provide computing capabilities far beyond what general purpose processors can provide.Our software design team...Hourly payWork experience placementSummer workLocal area$160k - $235k
...Momentum Engineering, Inc. fosters an employee‑centric culture. Our strength lies in our people. With a high percentage of employees holding... ...expertise for our customers’ critical needs. Job Summary The Software Engineer will perform software development lifecycle (SDLC)...Hourly pay$75k - $95k
...Title: Junior Software Engineer Location: Annapolis Junction, MD Compensation Range: $75 -$95K Clearance: Active TS/SCI w/ Polygraph needed to apply Position Description The Software Engineer develops, maintains, and enhances complex and diverse software systems (e.g.,...$230k - $250k
...Location: Annapolis Junction, Maryland Type: Contract Job #3933 Title: Software Engineer 3 Location: Annapolis Junction, MD Compensation Range: $230 -$250K *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview...Contract work$206.6k - $229.6k
...Software Engineer 2Location: Annapolis Junction, MD | Onsite Clearance Required: TS/SCI with Polygraph Employment Type: Full-Time Salary Range: $206,600-$229,600Join a Growing Team at Weeghman & BriggsWeeghman & Briggs is seeking a motivated and mission-driven Software...Full time$105k - $175k
...our interests in cyberspace and anticipate emerging threats. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely enable us to support sensitive missions for the U.S. military and federal agency partners....Full timeWork experience placementLocal areaWorldwide$100k - $150k
...for innovation and creating the best experience for job seekers. (*Comscore, Total Visits, March 2026) Day to Day As a Software Engineer II at Indeed, you will design and build software that powers shared platforms, services, and products used across the company....Work experience placementLocal areaImmediate start- ...Title : Software Engineer Duration : 12-month contract with the possibility of extension Hybrid : 3 days Onsite Work Location : 189 Harry S Truman Parkway, Annapolis, MD 21401. Job ID : K23-0094-25L-15 SUMMARY Our client is seeking proposals...Contract workTemporary work
- ...Our local government client is hiring a Software Engineer to support their team in Annapolis, MD!! Responsibilities: - Perform Microservices development using Spring Boot or equivalent Java frameworks. - Modern full-stack development using Java Core, React...Local area
- ...complexity is required. Bachelor's degree in Computer Science or related discipline from an accredited college or university is required. Four (4) years of additional SWE experience on projects with similar software processes may be substituted for a bachelor's degree....For contractors
$10k
...Software Engineer At Wyetech, you'll be at the center of an award-winning corporate culture, breaking technological barriers and solving real-world problems for our federal government customers. We are committed to hiring the best of the best, and in return, we offer...Hourly payFull timeContract workTemporary workWork experience placementSummer workImmediate start
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Software Engineer. Be the first to apply!
- cybersecurity software engineer Annapolis, MD
- software developer fintech Annapolis, MD
- senior robotics software engineer Annapolis, MD
- software engineer visa sponsorship Annapolis, MD
- network software engineer Annapolis, MD
- software engineer remote Annapolis, MD
- part time software developer Annapolis, MD
- part time software developer remote Annapolis, MD
- software engineer part time Annapolis, MD
- software engineer full time Annapolis, MD


