UNKNOWN

FEED

Compensation at Decision Technologies, Inc. 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. Travel should be infrequent but include occasional trips to support government efforts at East and West Coast naval centric areas like Norfolk, VA and San Diego, CA.

Decision Technologies

Senior Software Engineer (SEG3)

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You'll work alongside experienced engineers using modern development frameworks, containerization technologies, and DevSecOps practices while building scalable, secure applications that make a meaningful impact. The successful candidate will collaborate with cross-functional engineering teams to develop scalable software solutions, support application deployment, and implement modern development practices using Git, Docker, and CI/CD technologies.

TalentOps

Mid Level Backend Software Engineer- Java

The successful candidate will work closely with technical teams and government stakeholders to design, develop, maintain, and enhance secure software applications while supporting ongoing operations and maintenance (O&M) activities. If you're an experienced software engineer with an active TS/SCI with Full-Scope Polygraph and are looking to support cutting-edge technologies and mission-critical Intelligence Community programs, we'd love to hear from you.

Software Engineer (Expert)

Using reliable, proven technology in an innovative plant design configuration, Venture Global’s modular, mid-scale plant design will replace traditional designs as it allows for the same efficiency and operational reliability at significantly lower capital cost. Communicating across multiple teams, this role will develop software to capture data, automate workflows, and build data models for efficient data storage and processing.

YEAR

Venture Global LNG

Engineer, Software

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Your role will involve transforming a large monolithic C++ codebase into secure, scalable Java-based microservices, while enhancing the software factory capabilities to ensure reliable, secure, and efficient delivery. Demonstrated experience improving Git-based source-control workflows, including branching strategies, pull/merge requests, code reviews, tagging, release management, and repository versioning.

HOUR

Actalent Inc

Senior Software Engineer

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What You Bring: Bachelor's degree in engineering, computer science, computer engineering, electrical engineering, or a related technical field, plus at least two years of relevant software, test automation, or software tools experience, or equivalent experience. Experience with Linux-based environments, CI/CD workflows, Docker, virtual machines, message-based systems, embedded or real-time software, hardware/software integration, or mission-critical systems is helpful but not required.

Leonardo DRS Inc

Software Engineer II - Test Automation

DRS Technologies, headquartered in Arlington, Virginia, U.S.A., is a leading supplier of integrated products, services and support to military forces, intelligence agencies and prime contractors worldwide. Focused on defense technology, the Company develops, manufactures and supports a broad range of systems for mission critical and military sustainment requirements, as well as homeland security. The Company has been recognized as one of the fastest growing defense technology companies in the world and holds leading market positions in thermal imaging devices, combat display workstations, electronic sensor systems, power systems, rugged computer systems, air combat training systems, mission recorders, deployable flight incident recorders, environmental control systems, telecommunication systems, aircraft loaders, military trailers and shelters, and integrated logistics and support services. DRS's broad range of mission critical systems and sustainment solutions uniquely position the Company to support the ongoing superiority of the military's Current Force, as well as the modernization and emerging transformation initiatives of the Future Force. DRS responds to the needs of U.S. and allied military forces, as they engage in day-to-day expeditionary activities, by providing high-tech products and systems that improve the capabilities of many key platforms. The Company also provides a range of military support systems and services. DRS's products are deployed on a wide range of high-profile military platforms and on several platforms for non-military applications. Our sustainment products, such as environmental control systems, power generators, water and fuel distribution systems, chemical/biological decontamination systems and heavy equipment transport systems, are used to support military forces, humanitarian efforts and peacekeeping. We also provide security and asset protection systems and services, telecommunication and information technology services, training and logistics support services for all branches of the U.S. armed forces and certain international militaries, homeland security forces, and select government and intelligence agencies. DRS strives to provide quality products and services and stand behind them, to invest in research and development and new market opportunities, and to leverage existing core defense programs and business areas.

DRS Technologies

AI Stack: Claude Code, GraphRAG/Advanced RAG, Model Context Protocol (MCP), LangChain/LangGraph, pgvector/Pinecone, DeepEval/Ragas/Arize Phoenix, and LangSmith/Langfuse (or equivalent tooling). Data Platforms: ELT/ETL, Relational/NoSQL DBMS, Vector databases, and cloud data platform integrations (dbt, Dagster, Airbyte, Snowflake).

SS&C Technologies Holdings Inc

Senior Software Engineer - SS&C EVOLV

If you've been building your skills in backend development, object‑oriented programming, and mission‑driven engineering, and you're ready for work that actually moves the needle, this is the kind of opportunity cleared engineers pursue when they want to grow while making real impact. For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

SAIC is a premier Fortune 500® technology integrator driving our nation's digital transformation. Our robust portfolio of offerings across the defense, space, civilian, and intelligence markets includes secure high-end solutions in engineering, IT modernization, and mission solutions. Using our expertise and understanding of existing and emerging technologies, we integrate the best components from our own portfolio and our partner ecosystem to deliver innovative, effective, and efficient solutions that are critical to achieving our customers' missions.

We are a team of 26,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.1 billion. For more information, visit saic.com.

Leidos Holdings Inc

Mid-Level Backend Software Engineer

The compensation for this position is the range Slate reasonably and in good faith expects to pay for the position taking into account the wide variety of factors that are considered in making compensation decisions, including job-related knowledge; skillset; experience, education and training; certifications; work location; and other relevant business and organizational factors. We’re building a direct-to-consumer EV brand from the ground up, and our software connects customers to their Slate at every step, from discovering and customizing their vehicle to managing their ownership journey.

Re:Car

Staff Software Engineer

For an impactful career doing meaningful work, we are The Logical Answer in a world where being a consultant often feels like you’re a commodity, TLA provides a refreshing culture of inclusion, a direct line to leadership, and a family feel where our teammates are valued for. In this role, you’ll contribute to the full software lifecycle—from architecture and development to testing and deployment—across both commercial and government cloud environments operating at multiple security levels.

TLA-LLC

Design software and deployment patterns that support multi-cloud environments, such as cloud-agnostic Terraform modules, minimal provider lock-in for core services, and future deployments across commercial cloud and GovCloud. As a Senior Software Engineer at Kestrel, you will lead the design and development of data structures, data processing pipelines, APIs, components of an agentic AI architecture, and user interface components.

Kestrel Intelligence

Senior Software Engineer (Virginia)

You implement the Senior UX Designer's workflow designs and work with the program's architects, the Systems Integration Engineer, and the Product Manager/Fires SMEs. That puts weight on both ends of the stack: services that recompute quickly when inputs change, and interfaces that present dense comparisons and geography clearly.

Agile Defense

Full-Stack Software Engineer

Core Responsibilities: - Design and deploy our infrastructure using Terraform - Lead the deployment of Python-based APIs to cloud environments - Experience with large-scale infrastructure architecture - Establish infrastructure best practices from the ground up, including: Environment separation (dev / staging / prod); Secure networking, IAM, and secrets management; Logging, monitoring, and alerting Design and maintain CI/CD pipelines using GitHub Actions - Apply prior AWS GovCloud and DoD IL experience to ensure: Compliance-ready infrastructure; Architecture choices that will not block future government deployments - Design infrastructure and deployment patterns that support multi-cloud environments, including: Cloud-agnostic Terraform module design where practical; Minimizing provider lock-in for core services; Supporting future deployments across commercial cloud and GovCloud environments - Plan and advise on future AWS GovCloud and DoD IL deployments, even if those environments are not immediately live - Identify and mitigate infrastructure and compliance risks early Bonus: - Strong software engineering background is a plus, particularly: API development; Distributed or service-oriented systems; Prior experience designing or operating multi-cloud environments is a plus - Based in the Colorado Springs, CO or Washington, DC (working in customer sites in Crystal City, VA and Herndon, VA) areas - Active Top Secret // Specially Compartmented Information (TS//SCI) clearance with counterintelligence-scope polygraph (CSP) or full-scope polygraph (FSP) Must be a US Citizen We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. The Role As a Kestrel Software Engineer, you will lead the development of CI/CD artifacts, data structures, data processing pipelines, components of an agentic AI architecture, and user interface components.

Software Engineer (Virginia)

OTHER

As we grow our footprint across AWS, Azure and devices, our networking needs are getting more complex, and we are rebuilding our entire networking stack from the edge to service-to-service communications, as well as connections between clouds. Your deep networking expertise, built at an established company operating networking products or infrastructure at scale, lets you see problems early and steer teams toward designs that hold up under real production load.

Axon

Senior Staff Software Engineer, Networking

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A Bachelor’s degree or higher in a Computer Science or a related discipline from an accredited college or university plus fourteen (14) years of experience in system engineering (OR) An Associate's Degree, a High School Diploma or GED plus eighteen (18) years of general system engineering experience. This role focuses on building Zabbix monitoring templates, supporting system administrators and network engineers with dashboard customization, and ensuring proper agent deployment across diverse environments.

Prosync

Software Engineer II (Zabbix)

Workable

FINRA employees are required to disclose to FINRA all brokerage accounts that they maintain, and those in which they control trading or have a financial interest (including any trust account of which they are a trustee or beneficiary and all accounts of a spouse, domestic partner or minor child who lives with the employee) and to authorize their broker-dealers to provide FINRA with duplicate statements for all of those accounts. Additional insurance includes basic life, accidental death and dismemberment, supplemental life, spouse/domestic partner and dependent life, and spouse/domestic partner and dependent accidental death and dismemberment, short- and long-term disability, long-term care, business travel accident, disability and legal.

Financial Industry Regulatory Authority Inc

Due to the citizenship requirement for this role, which supports U.S. federal, state, and/or local government customers, citizenship will be verified through two of the following REAL ID Act documents: U.S. Passport, Passport Card, REAL Driver's License, Global Entry Card, U.S. Government CAC/PIV. You will need deep experience with concurrency, large scale systems, proficiency with solving real-world data management challenges, a strong understanding of how to craft solutions that are highly available, and a proven ability to design, develop, and optimize the core back-end systems.

Salesforce.com, Inc.

Govcloud Distributed Systems Software Engineer

FULL_TIME

This role will involve developing and updating interfaces between front end and back end, updating the code architecture to scale up and enable more parallel instances, configuring the code to work with GPUs, and various other performance updates. Overview: VTG is seeking an Associate Software Engineer to work with our software for modeling acoustic beampatterns for submarine sonar arrays.

Associate Software Engineer

[AW]-iCims

SkyePoint Decisions is a leading Cybersecurity Architecture and Engineering, Critical Infrastructure and Operations, and Applications Development and Maintenance IT service provider headquartered in Dulles, Virginia with operations across the U.S. We provide innovative enterprise-wide solutions as well as targeted services addressing the complex challenges faced by our federal government clients. This person develops software and workflow automation that replaces manual or disconnected activities with integrated, traceable processes supporting evidence collection, assessments, approvals, policy enforcement, and operational decision support.

Software Engineer Jobs in Reston, VA

Senior Software Engineer (SEG3) Decision Technologies

Mid Level Backend Software Engineer- Java TalentOps

Software Engineer (Expert) TalentOps

Engineer, Software Venture Global LNG

Senior Software Engineer Actalent Inc

Software Engineer II - Test Automation Leonardo DRS Inc

Software Engineer II - Test Automation DRS Technologies

Senior Software Engineer - SS&C EVOLV SS&C Technologies Holdings Inc

Mid-Level Backend Software Engineer Leidos Holdings Inc

Staff Software Engineer Re:Car

Senior Software Engineer TLA-LLC

Senior Software Engineer (Virginia) Kestrel Intelligence

Full-Stack Software Engineer Agile Defense

Software Engineer (Virginia) Kestrel Intelligence

Senior Staff Software Engineer, Networking Axon

Software Engineer II (Zabbix) Prosync

Senior Software Engineer Financial Industry Regulatory Authority Inc

Govcloud Distributed Systems Software Engineer Salesforce.com, Inc.

Associate Software Engineer VTG

Workflow / Software Engineer SkyePoint Decisions

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