Sr Software Engineer Java Python Jobs in Reston, USA

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Sr. Software Engineer (Java / Python)

Our client, a leading federal defense contractor is seeking Sr. Software Developers with strong Java and Python responsible for developing and deploying the state-of-the-art ground operational systems.The position is primarily remote; however, due to the clearance requirement and the need to come on ...

Engineer, Software Sr

Ampcus Inc. is a certified global provider of a broad range of Technology and Business consulting services. We are in search of a highly motivated candidate to join our talented Team. Job Title: Engineer, Software Sr (49042 -1)Location: Reston, VA 20191 (Remote ...

Sr Python Developer

<p> Python + strong SQL<br /> AWS experience with S3, Lambda, Step Functions, EventBridge, Glue<br /> Experience building event-driven or orchestrated pipelines<br /> Exposure to handling data validation, failures, and retries in production<br /> Exposure to web a ...

Software Engineer TSSCI w/ Poly

Job DescriptionRole SummaryWe are seeking a Software Engineer to design, build, and sustain mission-critical applications and services in a classified intelligence environment. This engineer will implement capabilities in a cloud services environment, develop backend services and automation using Python ...

DevOps

DevOps Job Description: Must have solid Automation experience and good development practices. Terraform Gitlab Jenkins UCD Pipeline as code (PAC). Artifactory Pipeline integration with security sc ...

Sr. QA Automation Engineer (ETL/Backend) Healthcare

Company DescriptionLumen Solutions Group Inc. is a technology consulting Services company based in Florida. We provide a wide array of experienced business and IT professionals supporting clients from solution design to implementation and support. We specialize in p ...

Senior Full Stack Software Engineer

Position Description: This role is responsible for designing and delivering scalable, end-to-end software solutions that address complex business needs. As a Senior Full Stack Software Engineer, you will work independently to assess customer requirements, define solution approaches, and b ...

Senior Software Engineer

"SZNS Solutions (pronounced "seasons") is a technology consulting company and Google Cloud Partner based in Reston VA. We specialize in delivering agentic AI and cloud computing solutions. Founded by ex-Googlers with engineers from Google, Amazon, and Capital One, SZNS differentiates itself partic ...

Software Engineer

In a world of possibilities, pursue one with endless opportunities. Imagine Next! At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative c ...

Software Engineer

In a world of possibilities, pursue one with endless opportunities. Imagine Next! At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative c ...

Software Engineer

In a world of possibilities, pursue one with endless opportunities. Imagine Next! At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative c ...

Software Engineer

**Description** Leidos is seeking a Software Developer for a 200+ FTE technical development program supporting the Sponsor’s Entitlement Programs as well as IdAM /ICAM, Authentication, Authorization, Entitlements and Digital Policy Management. The Software Developer will work with a large team of develo ...

Software Engineer

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, ...

Software Engineer

SZNS Solutions (pronounced seasons) is a technology consulting company and Google Cloud Partner based in Reston VA. We specialize in delivering agentic AI and cloud computing solutions. Founded by ex-Googlers with engineers from Google, Amazon, and Capital One, SZNS differentiates itself particularly in AI ...

Software Engineer

J5 Consulting is a Maryland based company established in 2006 to provide computing and consulting services for government and commercial entities.Our services improve Information System networking performance and compliance and protect electronic assets from loss and compromise.We welcom ...

Software Engineer

OverviewVTG is seeking a Software Engineer to support our Defense customer in Reston, VA. Our Software Engineers are at the forefront of defense technology, crafting high-impact, cutting-edge solutions that redefine innovation. We are looking for experienced Software Engineers who ...

Software Engineer

Working with Veros Veros is seeking software engineers to join our team.As a Software Engineer, you will be responsible for research, design, development and testing of software and tools.Driven by technical excellence and uncompromising principles, Veros Technologies’ mission is t ...

Software Engineer

"SZNS Solutions (pronounced "seasons") is a technology consulting company and Google Cloud Partner based in Reston VA. We specialize in delivering agentic AI and cloud computing solutions. Founded by ex-Googlers with engineers from Google, Amazon, and Capital One, SZNS differentiates itself partic ...

Senior Software Engineer

SZNS Solutions (pronounced seasons) is a technology consulting company and Google Cloud Partner based in Reston VA. We specialize in delivering agentic AI and cloud computing solutions. Founded by ex-Googlers with engineers from Google, Amazon, and Capital One, SZNS differentiates itself particularly in AI ...

Senior Software Engineer (React+Java+SQL Server) (Remote US)

Description ICF is a rapidly growing, entrepreneurial, multi-faceted consulting company that works with government representatives and users to build and enhance the Department of Defense (DoD) Child and Youth Programs (CYP) system. The DoD recognizes the importance of providing military and DoD-affilia ...

Senior Software Engineer (React, Java, SQL Server) (Remote US)

Description **_*We are open to supporting 100% remote work anywhere within the United States. Must be able to support Eastern Time Zone*_** ICF is a rapidly growing, entrepreneurial, multi-faceted consulting company that works with government representatives and users to build and enhance the D ...

Sr Software Engineer Analytics (US Federal)

About the Role You will be a key contributor on the Analytics Delivery Engineering team. As an SRE, you will help in building a clean, scalable, reliable, and automated services framework.What You Will Do:Work on projects ranging from building out robust CI/CD to automation for ...

Lead SailPoint Developer

Join a global team where you will make a direct impact on security and innovation. With a hybrid, flexible work model and a commitment to work-life balance, you'll have the freedom to shape your career while contributing to society. IMPACT: The Sr. SailPoint Developer plays a crucial ...

Full Stack Developer

Full Stack Dev (Java, Angular, AWS)Reston VA (Inperson Interview Mandat)Contract OnsiteOnly W2 Job Description:We are seeking a talented Full Stack Developer with strong hands-on experience in Java, < ...

Senior Systems Integration Engineer TS/SCI with Polygraph

Senior Systems Integration Engineer Advance how our customers operate while you advance your career. Join GDIT as a Systems Integration Engineer and build an impactful career in enterprise IT, collaborating with people like you who are driven and resourceful. We are seeking a Systems Inte ...

Software Engineer II CTJ Poly

**Overview** Come build community, explore your passions and do your best work at Microsoft. This opportunity will allow you to bring your aspirations, talent, potential and excitement for the journey ahead. As a Software Engineer in Azure Networking, you will help plan, design, develop and tes ...

Principal Software Engineer CTJ Poly

**Overview** Do you have a passion for large-scale services and working with some of Microsoft’s most critical customers? We’re looking for a Software Engineer II with the right mix of software development, on-line services experience, and passion for quality to envision, design, and deliver Microsoft 3 ...

Senior Software Engineer CTJ Poly

**Overview** Join the Azure AI Platform air gapped engineering team as a **Senior Software Engineer** delivering secure, scalable, and mission critical AI infrastructure for Microsoft’s most sensitive cloud environments. We build foundational services that power Azure Machine Learning, Azure AI Servic ...

Specialist, Software Engineer (Embedded Software)

L3Harris Integrated Mission Systems is seeking a Software Engineer. Responsibilities include the translation of requirements into working and maintainable solutions for our C5 and Cyber Solution Centers. The selected candidate will apply technical proficiency across various stages of our SDLC, gather requirement ...

Software Engineer Android

**Position Summary...** **What you'll do...** As a part of Walmart Global Tech (WGT) you’ll build industry defining reusable customer and partner facing services and products to lead differentiated experiences and revenue sources. You will be in the unique position to serve both our customers ...

Chief Software Engineer

**Description** **Leidos is seeking a Chief Software Architect to join the CTO team for a complex, large-scale DoD program. In this role, you will be responsible for enterprise software architecture across multiple contracts/task orders, lead architecture governance, lead and oversee the planning and de ...

Software Engineer Intern

**Description** Leidos is seeking an Associate Software Engineer in Morgantown, WV or Reston, VA for Summer 2026. This position is full-time, onsite for 3 months. Come put your Software Engineering skills into action! The Leidos Software Accelerator has openings for talented Software Engineers. ...

Senior Software Engineer

**Job Description**At BAE Systems, we promote a strong, collaborative culture and provide our employees with the tools, skills and training they need to succeed. We are all about trust, camaraderie, and a shared mission on delivering world class products to our Department of Defense (DoD) and Intelligence Co ...

Software Engineer Frontend

Responsibilities Noblis is seeking a **Software Engineer** with a focus on **front-end development** to join our team in support of national security missions. In this position, you will be designing, building, and maintaining modern, mission-critical web applications. This role is ideal fo ...

Senior Software Engineer

Title: Senior Software Engineer Locations: Reston, VAWork can be performed from our office located in New York, NY or Harrison, NJ, or remotely within either of metro statistical areas. Responsibilities: Think critically and interact with product managers and other engineers to design and b ...

Senior Software Engineer

Responsibilities The candidate shall translate Client’s business process requirements into the application development to automate or facilitate creating improved solutions for key mission needs. The candidate shall develop new, as well as integrate across existing, customized application ...

Senior Software Engineer

Ampcus Inc. is a certified global provider of a broad range of Technology and Business consulting services. We are in search of a highly motivated candidate to join our talented Team. Job Tite: Senior Software Engineer.Location: Rest ...

Back End Engineer (Python,AWS,LLM)

About us:Founded in 2011, Modus is a global, fully remote team of world-class technologists who thrive in a collaborative, innovative environment. We’re a digital product engineering partner for forward-thinking businesses. Our global teams work side-by-side with clients to design, build, and scale custom soluti ...

Senior AI/ML Engineer

Position Description: We are looking for a Senior AI Software Engineer to design and deliver production-ready AI applications powered by large language models and foundation models. This role focuses on building scalable, enterprise-grade solutions using AWS Bedrock and other AI platforms ...

Systems Integration Engineer (Government)

This position requires office presence of a minimum of 5 days per week and is only located at customer's site. AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recru ...

Sr. Data Engineer (AI/ML)

Position: Sr Data Engineer (AI/ML) Location: Remote Security Clearance: DHS Suitability - contract requires . Citizenship Must Have Qualifications: 5+ years of experience in Data/ML engineering (if school experience is used, at most that would contribute to 4 ...

AWS Cloud Admin and SRE

Hybrid onsite at Reston, VA Purpose: Manages, defines, designs, and develops system requirements. Performs trade-off analyses of performance, life-cycle cost, risk and other system or program requirements. Assesses architecture. sub systems and ...

Software Developer

**Description** Leidos Intelligence Sector delivers advanced technology and mission software across cyber, logistics, security operations, and decision analytics, empowering defense and intelligence customers to stay ahead of evolving global threats. Our mission is simple: equip those who protect the na ...

Software Developer

**Description** Leidos Intelligence Sector delivers advanced technology and mission software across cyber, logistics, security operations, and decision analytics, empowering defense and intelligence customers to stay ahead of evolving global threats. Our mission is simple: equip those who prote ...

Information Technology Senior Systems Engineer

Ampcus Inc. is a certified global provider of a broad range of Technology and Business consulting services. We are in search of a highly motivated candidate to join our talented Team. Job Title: Information Technology - Senior Systems Engineer.Location:</strong ...

Senior Full Stack Software Engineer

**Senior Full Stack Software Engineer** **Category:** Software Development/ Engineering **Main location:** United States, Virginia, Reston **Position ID:** J0426-1909 **Employment Type:** Full Time U.S. - Technology as a force for good ( ...

Senior AWS AI Application Developer

Position Description: We are looking for a Senior AWS AI Application Developer to design, build, and support AI-driven solutions within a finance technology environment. This role focuses on integrating artificial intelligence into core engineering processes—spanning development, operatio ...

Forward Deployed Engineer

SZNS Solutions (pronounced seasons) is a technology consulting company and Google Cloud Partner based in Reston VA. We specialize in delivering agentic AI and cloud computing solutions. Founded by ex-Googlers with engineers from Google, Amazon, and Capital One, SZNS differentiates itself particularly in AI ...

Python Developer V

Location: Reston, VA - A vibrant tech hub with a dynamic community and excellent amenities.Salary Range: Competitive compensation package based on experience and qualifications.IntroductionJoin our team as a Senior Full Stack Engineer, where you'll be instrumental in designing, dev ...

Data Integration Software Developer

Primary Responsibilities:- Integration Solutions: Develop and implement integration solutions for the GAINS project using Kafka and Elastic as the primary data architecture platforms, with expanded integration to other technologies, including but not limited to Databricks.<p ...

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    Sr Software Engineer Java Python Jobs in Reston Job Search Guide, Trends and Insights