Senior Software Engineer
Serco
Position Description & Qualifications
Are you looking for a Senior Software Engineer (Java) position where you can make an impact on protecting the infrastructure that underlies our modern world?
Serco is seeking an experienced and motivated software engineer to join our Advanced Technology Group (ATG) to build and deliver cutting-edges solutions for national defense systems. In this role, you will have the agency to design and implement the next generation of capabilities for operational systems that are increasingly adopting data driven workflows to streamline operations and deliver new capabilities to the Warfighter.
Our team develops interfaces and interconnections between systems, data processing pipelines that process unstructured, semi-structured, and structured data, and foundational software that integrates disparate data sources into database systems. Our software underlies a set of emerging capabilities that enhance situational awareness and streamline operational decision making.
In this role, you will:
Design, develop, test, deploy, and maintain software, primarily in Java
Parsing of structured and semi-structured data formats
APIs and interconnections between systems and components
Data processing pipelines and components
Implement business processes
Implement standards for authentication, authorization, information security marking, and fine-grained access control.
Test and deploy software in Linux based environments
Interface with customers to define requirements and communicate them to the development team
Ensure software complies with client-defined functional and security requirements.
Write software documentation
To be successful in this role, you will have:
Must be a U.S. Citizen
Ability to obtain and maintain a DoD Secret security clearance
Bachelor’s degree or higher in Computer Science, Engineering, Mathematics, Physics, or related STEM discipline from an accredited university
Minimum 5 years of relevant experience
Advanced knowledge of the Java programming language
Ability to independently develop complex software features
Strong stakeholder communication, documentation, and collaboration skills; ability to work with military and civilian personnel
Ability to travel up to 10%
Additional desired experience and skills:
Experience with formal grammars, parsing techniques (e.g, LR parsers), and language design
Experience contributing to production-grade software
Experience with DoD information systems, use cases, and development practices
Experience writing software that interacts with databases and a working knowledge of database internals
Experience with Jakarta EE application development and related standards (JAX-RS, CDI, Config, Servlet) or similar frameworks
Working knowledge of web standards, common protocols (e.g., TCP/IP, TLS), and common data formats (e.g., XML, JSON)
Experience writing software that integrates with authentication, authorization, and single-sign-on technologies
Experience with software containerization and container orchestration technologies
Advanced knowledge of Linux including development and hardening of system services
Working knowledge of secure software development practices and common weaknesses
Working knowledge of Git and bug tracking tools such as JIRA
If you are interested in supporting and working with our military and a passionate Serco team. Submit your application now for immediate consideration. It only takes a few minutes and could change your career!
Company Overview
Serco Inc. (Serco) is the Americas division of Serco Group, plc. In North America, Serco’s 9,000+ employees strive to make an impact every day across 100+ sites in the areas of Defense, Citizen Services, and Transportation. We help our clients deliver vital services more efficiently while increasing the satisfaction of their end customers. Serco serves every branch of the U.S. military, numerous U.S. Federal civilian agencies, the Intelligence Community, the Canadian government, state, provincial and local governments, and commercial clients. While your place may look a little different depending on your role, we know you will find yours here. Wherever you work and whatever you do, we invite you to discover your place in our world. Serco is a place you can count on and where you can make an impact because every contribution matters.
To review Serco benefits please visit: . If you require an accommodation with the application process please email: View email address on click.appcast.io or call the HR Service Desk at View phone number on click.appcast.io, option 1. Please note, due to EEOC/OFCCP compliance, Serco is unable to accept resumes by email.
Candidates may be asked to present proof of identity during the selection process. If requested, this will require presentation of a government-issued I.D. (with photo) with name and address that match the information entered on the application. Serco will not take possession of or retain/store the information provided as proof of identity. For more information on how Serco uses your information, please see our Applicant Privacy Policy and Notice.
Serco does not accept unsolicited resumes through or from search firms or staffing agencies without being a contracted approved vendor. All unsolicited resumes will be considered the property of Serco and will not be obligated to pay a placement or contract fee. If you are interested in becoming an approved vendor at Serco, please email View email address on click.appcast.io .
Serco is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, and other legally protected characteristics.
Pay Transparency
Our Total Rewards package includes competitive pay, performance-based incentives, and benefits that promote well-being and work-life balance—so you can thrive both professionally and personally. Eligible employees also gain access to a wide range of benefits from comprehensive health coverage and health savings accounts to retirement plans, life and disability insurance, and time-off programs that support work-life balance. Program availability may vary based on factors such as contract type, location, hire date, and applicable collective bargaining agreements.
Salary range: The range for this position can be found at the top of this posting. This range is provided as a general guideline and represents a good faith estimate across all experience levels. Actual base salary will be determined by a variety of factors, including but not limited to, the scope of the role, relevant experience, job-related knowledge, education and training, key skills, and geographic market considerations. For roles available in multiple states, the range may vary to reflect differences in local labor markets. In addition to base salary, eligible positions may include other forms of compensation such as annual bonuses or long-term incentive opportunities. Benefits – Comprehensible benefits for full-time employees (part-time employees receive a limited package tailored to their role):
Medical, dental, and vision insurance
Robust vacation and sick leave benefits, and flexible work arrangements where permitted by role or contract
401(k) plan that includes employer matching funds
Tuition reimbursement program
Life insurance and disability coverage
Optional coverages that can be purchased, including pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection
Birth, adoption, parental leave benefits
Employee Assistance Plan
To review all Serco benefits please visit: .
Serco complies with all applicable state and local leave laws, including providing time off under the Colorado Healthy Families and Workplaces Act for eligible Colorado residents, in alignment with our policies and benefit plans. The application window for this position is for no more than 60 days. We encourage candidates to apply promptly after the posting date, as the position may close earlier if filled or if the application volume exceeds expectations. Please submit applications exclusively through Serco’s external (or internal) career site. If an applicant has any concerns with job posting compliance, please send an email to: View email address on click.appcast.io .
- ...The Software Engineer is responsible for the design, development, testing, and management of application development projects in support of IT infrastructure. This includes programmatic integration of third-party components, introduction of new custom capabilities, modification...SeniorFull time
- ...the AI Data Cloud Snowflake's File Ingestion team owns the engines behind COPY INTO and Snowpipe — the paths that land... ...customer data landing in minutes end-to-end. We're hiring a Senior Software Engineer to own deep, high-impact work across our file-ingest...SeniorFull time
- ...unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today’s five billion mobile subscribers and...Senior
- ...technical requirements. Participate in all aspects of the software development lifecycle, including requirements collection, planning... ...functional responsibilities and expert knowledge of software engineering with: Expert proficiency with Python and JavaScript Eight (...SeniorFull time
- ...Overview Sedaro is hiring a Senior Software Engineer to strengthen the performance and reliability of our distributed multi-physics simulation platform. In this role, you will contribute to the development of our simulation runtimes and levera ge...SeniorPermanent employmentFull timeFlexible hours3 days per week
- ...constantly pushing the boundaries of what’s possible. Job Description ISL is looking for a skilled, hard-working Senior Software Engineer to help build amazing experiences for some of the biggest brands in the world. We're a down-to-earth, hardworking team...SeniorFull time
- ...Job Opportunity : Our team is seeking a talented Senior Software Engineer to work in a hybrid model with our client located in Washington DC. What You'll Get to Do as a Senior Software Engineer : Analyze, design, develop and testing of the enterprise-wide...SeniorFull timeWork experience placement
$191k - $254k
...Senior Software Engineer Software | Washington, DC | Full Time Position: Senior Software Engineer Location: Washington, DC Category: Software Engineering Schedule: Standard Day Shift, Monday–Friday Clearance Requirement: Active Secret security...SeniorFull timeTemporary workMonday to FridayFlexible hoursDay shift- ...teamwork and agility drive our daily decisions, identify our focus areas, and inspire our organizational culture. A Senior Software Engineer (SSE) is responsible for designing, developing, and modifying corporate software applications. The SSE is expected to...SeniorFull timeLocal areaRemote work
$130k - $250k
...the enterprise and internationally. Our Team As an engineering team, we believe strongly that empathy improves our... ...of use cases that Peregrine serves. We’re looking for a Senior Software Engineer to join our core engineering teams. You’ll work cross...SeniorFull timeWork at officeLocal area$135k - $200k
...World-Changing Company Palantir builds the world’s leading software for data-driven decisions and operations. By bringing the... ...or air-gapped, small hardware footprint or large. As a Senior Software Engineer on Substrate, you will design and build Palantir’s managed...SeniorFull timeWork experience placementWork at officeRemote workWork from homeRelocation package$160k - $240k
...intelligent systems. Its products include Hivemind autonomy software, V-BAT and X-BAT aircraft, and Aechelon simulation and... ...state-of-the-possible is both exciting and crucial. As a Senior Software Engineer, you’ll build and own autonomy behaviors that directly power...SeniorFull timeTemporary workPart timeWork at officeWorldwide- ...Software Engineer (Mid/Senior) Location: Onsite | Washington, DC Clearance: Active TS/SCI required; CI Polygraph required Employment Type: Full-time, salaried, with full benefits The Company & Mission: Join a mission-driven defense technology company building...SeniorFull timeTemporary workHome office
$180k - $200k
...contact us at ****@*****.*** to verify its legitimacy. Your trust is important to us. Stay safe and informed. Senior Software Engineer Nexxen SSP | Hybrid — 3 days/week in office Join Nexxen's SSP Software Development team building and running a high...SeniorFull timeWork at officeFlexible hours3 days per week- Job-ID28983270Reference26-21443Remote100% Remote Position Title: Senior Software Engineer Short Term Assignment - 2 months Remote, Bethesda, MD The IoT team manages and supports the enterprise IoT ecosystem, including connected device platforms, integrations, security,...SeniorTemporary workRemote work
$140k - $180k
...and Common Sense, make working here more than a job; it’s the Digital family. Digital Consultants seeks a Senior Software Engineer (Subject Matter Expert Software Developer, Applications) to support FEMA Artificial Intelligence Support Services. The role...SeniorPermanent employmentFull timeFlexible hours$136k - $187k
...This is an opportunity to do career-defining work. We're all in on this mission. If you are too, let's talk.The Classified Senior Software Engineer in Test OpportunityWe are seeking a highly specialized and experienced individual for a critical Software Engineer in Test...SeniorLocal areaWorldwideFlexible hours$131.3k - $237.35k
...We are looking for creative, driven, and mission-focused professionals ready to take their career to the next level.As a Senior Software Engineer, you will:Support the development of distributed backend services, APIs, and platform microservices supporting enterprise...SeniorFull timeRemote workFlexible hours$140k - $220k
...feature development independently within agile processes, mentoring engineers and conducting code reviews along the wayStay current with... ...new tools for potential adoptionWhat You Bring:5+ years of software engineering experience with a focus on backend systemsStrong experience...SeniorWorldwide- ...automated testing and data analysis for complex, mission-critical systems in the US Department of Defense (DOD), is seeking a Senior Software Engineer to be part of our Advanced Capabilities team and based out of our Arlington, VA location.We are seeking an experienced...SeniorFull timeWork at officeImmediate start
- Job Posting TitleSenior Software Developer/Engineer CBS-O&MJob DescriptionJob Overview:Customer: Internal Revenue Services (IRS) Location: Remote... ....Clearance: No clearance required.Position Summary:Senior developer/engineer with strong application-level production...SeniorContract workFor contractorsFor subcontractorRemote workWorldwideRelocation package
- About The Role:Innovative Defense Technologies (IDT), a leading defense technology company, is seeking a Senior Software Engineer to be part of our Engineering team and based out of our Arlington, VA or Mount Laurel NJ location. The selected Software Engineer will be responsible...SeniorFull timeWork at officeImmediate start
- DescriptionActioNet has an opening for a Senior Software Engineer requiring a Public Trust clearance located s Hybrid (1-2 days on-site) in Silver Spring, MD. ActioNet is an IT service provider and solutions integrator headquartered in Vienna, VA that works with the Federal...SeniorRemote work1 day per week
$160k - $240k
.... Its products include Hivemind autonomy software, V-BAT and X-BAT aircraft, and Aechelon simulation... ...software integration, hardware, and test engineering to solve some of the hardest problems facing our customers.About the Job:As a Senior Software Engineer, you’ll build and own...SeniorFull timeTemporary workPart timeWorldwide$191k - $253k
...partners. We're developing fully integrated hardware and software systems, including Lattice for Space Missions and... ...contested war-fighting domain.ABOUT THE JOBWe are looking for a Senior Tracking Software Engineer to join our rapidly growing team in Washington DC. In...SeniorFull timeWork experience placementImmediate start- Analyticais seeking a Senior Software Engineerto design, develop, and maintain modern, cloud-based applications supporting federal government... ...will collaborate closely with developers, architects, data engineers, product owners, and government stakeholders in an Agile...Senior
$86.6k - $144.4k
...opportunity to serve as the technical anchor of a cross-functional engineering squad, driving architecture decisions, mentoring peers, and... ...the RoleThis position performs complex research, design, and software development within our provider data management product line,...SeniorFull timeLocal area$191k - $253k
...allied partners. We're developing fully integrated hardware and software systems, including Lattice for Space Missions and modular... ...in this contested warfighting domain.ABOUT THE JOBAs a Senior Software Engineer on Space Ground Software, you will own the architecture and...SeniorFull timeWork experience placementImmediate start$140k - $220k
...and a culture that backs your ambition, you won’t just contribute. You’ll make things happen-fast.About the Role:As a Senior Backend Software Engineer on the Apps team, you'll be at the forefront of building and scaling ZoomInfo's core backend services. You'll work primarily...SeniorWorldwide- ...Developer to join our Services team, which works directly with U.S. Government customers to provide a comprehensive set of system/software engineering and information technology services to maintain, sustain, enhance, and improve/modernize a Program of Record for all-source...SeniorFull time
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Software Engineer. Be the first to apply!
- software engineer internship Washington DC
- software development engineer aws Washington DC
- software developer internship no experience Washington DC
- real time software engineer Washington DC
- financial software developer Washington DC
- part time software developer Washington DC
- graduate software developer Washington DC
- software engineer travel Washington DC
- experienced software developer Washington DC
- remote entry level software developer Washington DC

