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26,831 jobs- United States
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Senior Software Engineer
Hanscom AFB, Massachusetts, United States
$140k-$220k/yr OnsiteFull Time
Raft
Raft: Builds AI and data platforms for U.S. national defense.
3+ YOEBackend software engineering with Golang/Java; data-intensive, distributed systems; DevSecOps (ICAM); Kubernetes; cloud-native microservices; security for gov systems; mentoring; proactive learning; modular design; Agentic AI tooling.
Golang, Java, Kubernetes, Helm, Kubernetes operators, cloud-native architectures, data processing frameworks, streaming technologies, Agentic AI tooling
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2w
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Senior Software Engineer
Huntsville, Alabama, United States
OnsiteFull Time
ASRC Federal
ASRC Federal: Provides engineering and IT services to federal government agencies.
5+ YOEBachelor's degree or higher in engineering/computer science/math/physics; 5-7 years in software development; Java/C++/Python; Linux/UNIX; Agile; ability to obtain/maintain Secret clearance; U.S. Citizenship.
Java, C++, Python, Linux, UNIX, Eclipse, UML
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1mo
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Senior Software Engineer
San Ramon or New York
$140k-$170k/yr HybridFull Time
Gappify
Gappify: Provides cloud-based software to automate corporate accounting accrual processes.
8+ YOE8+ years software engineering, strong Java/Spring, design patterns, distributed/cloud systems on AWS, CI/CD, Docker/Kubernetes, security fundamentals, mentoring, incident response, AI/ML/LLM interest.
Java, Spring, AWS, Jenkins, GitHub Actions, Bitbucket Pipelines, Docker, Kubernetes, CI/CD, IAM, encryption, LLM, AI/ML
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Senior Software Engineer
Salt Lake City, Utah, United States
HybridFull Time
Celtic Bank
Celtic Bank: Provides commercial lending and banking infrastructure for fintech companies.
5+ YOEBachelor’s degree in CS or equivalent; 5+ years backend software engineering; strong C# and Azure; expert in API design, distributed systems, databases; performance optimization; excellent communication and problem-solving; ownership mindset.
C#, Microsoft Azure, APIs, Distributed systems, Relational databases, Non-relational databases
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Senior Software Engineer
United States
$120k-$180k/yr RemoteFull Time
Carrot Fertility
Carrot Fertility: Provides global fertility and family-forming benefits for employers.
5+ YOE5+ years software engineering; lead end-to-end initiatives; DRI experience; fluent with AI-assisted development; strong fundamentals in C#/.NET, TypeScript, React, SQL; distributed systems; cloud (Azure or AWS).
C#/.NET, TypeScript, React, SQL, Distributed systems, Azure, AWS, Cloud infrastructure
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1mo
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Senior Software Developer
Oakville or Toronto or Waterloo or Atlanta
$102k-$135k/yr HybridFull Time
Geotab
Geotab: Provides IoT and connected vehicle fleet management solutions.
5+ YOE5-8 years of software development experience; degree in Computer Science or Software Engineering; strong knowledge of C#, Java, Python; databases (MySQL, SQL Server, Postgres); Docker, Kubernetes; Git; cloud and data tools; data analysis scripting.
C#, JavaScript, Python, SQL, MySQL, PostgreSQL, SQL Server, Docker, Kubernetes, Git, Google Compute Engine, Google BigQuery, iPython
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1mo
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Senior Software Engineer
Beavercreek, Ohio, United States
$150k-$200k/yr OnsiteFull Time
KBR
KBRNYSE: KBR: Provides engineering, technology, and professional services for global markets.
8+ YOEBachelor’s degree in computer or electrical engineering or related field; 8+ years software development experience; proficient in C/C++ or Python; Linux and Windows experience; strong PNT knowledge; able to obtain DoD security clearance.
C/C++, Python, Linux, Windows
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2mo
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Senior Software Engineer - Upper Funnel Engineering
Seattle, Washington, United States
$147k-$193k/yr HybridFull Time
lululemon
lululemonNASDAQ: LULU: Designs and retails technical athletic apparel and lifestyle products.
6+ YOESenior software engineer with 6-10 years of experience, SSR React stack, design leadership, and on-call readiness.
Server Side Rendering, React, JavaScript, Node.js, Webpack, Next.js
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Senior Software Engineer
Wichita, Kansas, United States
OnsiteFull Time
Knowmadics: Develops AI-driven electronic warfare and situational awareness software platforms.
7+ YOE7+ years of professional software development; BS in CS/Software Eng; eligible for U.S. security clearance; proficient in multiple languages; experience end-to-end production software; strong problem-solving and communication skills.
C/C++, C#, Python, Java, JavaScript/TypeScript
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Senior Software Engineer, Consoles & Desktop
San Mateo, California, United States
$197k-$243k/yr HybridFull Time
Roblox
RobloxNYSE: RBLX: Platform for creating and playing user-generated 3D digital experiences.
4+ YOESenior frontend-focused software engineer with 4+ years of experience, proficient in modern C++ and Luau, building responsive 10ft UI for gaming consoles and desktop platforms.
Modern C++, Luau
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2w
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Senior Software Engineer - Platform Group
New York, New York, United States
$175k-$200k/yr HybridFull Time
Ash Wellness
Ash Wellness: Provides white-label infrastructure for at-home diagnostic testing programs.
6+ YOE6+ years software engineering, 2+ in senior role; strong problem-solving; AI-powered development experience; effective communicator; passionate about healthcare systems.
Python, JavaScript, TypeScript, Go, MySQL, Redis, BigQuery, Terraform, Helm, Google Kubernetes Engine, Cloud Run, GCP Pub/Sub
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1w
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Senior Software Engineer
San Francisco, California, United States
$146k-$235k/yr HybridFull Time
DocuSign
DocuSignNASDAQ: DOCU: Provides electronic signature and agreement management software solutions.
8+ YOEBachelor's in CS or STEM with 8+ years of software engineering experience; full-stack with Java/JavaScript-TS, React; experience with Oracle Fusion Cloud APIs, OIC, Python, AI/ML, cloud-native tech, and CI/CD.
Java, JavaScript, TypeScript, React, OIC, VBCS, APEX, Groovy, PL/SQL, Oracle Fusion Cloud APIs, Python, Django, FastAPI, REST, SOAP, JSON/XML, Docker, Kubernetes, AWS, Azure, Oracle OCI, Jira, Confluence, GitHub Co-Pilot, LLMs, MLOps, RAG
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1mo
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Senior Software Engineer
Portland or United States
$110k-$130k/yr HybridFull Time
IDEXX
IDEXXNASDAQ: IDXX: Diagnostic equipment and software for veterinary and water testing.
5+ YOE5+ years of software engineering; proficient in Java/Spring Boot or Node.js/TypeScript; strong REST API design; knowledge of relational and NoSQL databases; cloud experience (AWS/GCP); CI/CD and Git; strong communication and ownership.
Java, Spring Boot, Node.js, TypeScript, REST API, AWS, Google Cloud Platform, Docker, Kubernetes, Terraform, CloudFormation, Git, CI/CD
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Senior Software Engineer
Fredericksburg, Virginia, United States
OnsiteFull Time
Obsidian Solutions Group: Delivers technology-enabled and mission-oriented solutions to government agencies.
8+ YOE3+ MgmtLead software architect; 8+ years in software development; distributed simulation, Unity/Unreal, C#/Python/JavaScript; DevSecOps and containers.
Unity, Unreal, C#, Python, JavaScript, TypeScript, Docker, Kubernetes
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Senior Software Engineer
Williston, Vermont, United States
$95k-$120k/yr HybridFull Time
HBK
HBKLondon Stock Exchange: SXS: Sells precision sensors and integrated test and measurement systems.
5+ YOEBachelor's in software/related field; 5+ years in software development; strong C++ and CMake; version control; able to shape architecture
C++, CMake, ROS, Git, TypeScript, JavaScript, Python
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1w
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Senior Software Engineer
Mount Laurel or Arlington or San Diego
$164k-$273k/yr OnsiteFull Time
Innovative Defense Technologies
Innovative Defense Technologies: A leading defense technology focused on delivering mission-critical software and systems to the U.S. government.
10+ YOEActive Secret U.S. security clearance; on-site role in Mount Laurel, NJ or Arlington, VA or San Diego, CA; bachelor’s in CS/engineering or equivalent experience; 10+ years software development; proficient in Java, JavaScript, Python, or C++; experience with distributed systems and leading teams.
React, Java, JavaScript, Python, C++, SQL, Postgres, MongoDB, Kubernetes, OpenShift, Docker
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1w
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Software Engineer Senior
Cocoa Beach, Florida, United States
$135k-$145k/yr OnsiteFull Time
Amentum
AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.
8+ YOESenior software engineer with 8+ years experience, DoD Secret clearance, BS in Computer Science or related STEM field, Python/JavaScript, Windows/Linux, VMware, DoD 8140 certification.
Python, JavaScript, VMware, Windows, Linux
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1w
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Senior Software Developer
United States
RemoteFull Time
Sprezzatura Management Consulting
Sprezzatura Management Consulting: Provides digital modernization and management consulting for federal agencies.
7+ YOEBachelor's in Engineering or Computer Science; 7+ years in software development; VA Public Trust clearance; remote US work; strong Java/J2EE framework experience.
MUMPS, Java, Spring, Hibernate, Oracle WebLogic, IBM ODM, Kubernetes, Docker, Jenkins, GitLab CI/CD, Terraform, VA On-Prem, AWS GovCloud, Azure Gov
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2w
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Senior Software Engineer
Eden Prairie, Minnesota, United States
$92k-$164k/yr HybridFull Time
UnitedHealth Group
UnitedHealth GroupNYSE: UNH: Provides health insurance and technology-enabled health care services.
7+ YOEBachelor's in CS/IT or related; 7+ yrs software engineering; 5+ yrs Java/Spring; 5+ yrs REST/microservices; 5+ yrs RDBMS; 3+ yrs batch processing; 3+ yrs cloud/DevOps; 2+ yrs WTX.
Java, Spring, Spring Boot, Spring Batch, Kafka, PostgreSQL, Microsoft SQL Server, Oracle, UNIX/Linux, Tivoli Workload Scheduler, GitHub, GitHub Actions, AWS, Azure, GCP, Splunk
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Senior Software Engineer
Sunnyvale, California, United States
$137k-$277k/yr HybridFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Provides global edge-to-cloud technology solutions and IT infrastructure services.
6+ YOE6+ years in software development; strong C/C++, Python or Go; software architecture; microservices; Kubernetes; PostgreSQL; testing; good communication.
C, C++, Python, Golang, Kubernetes, PostgreSQL, Datadog
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Senior Software Engineer II
Denver or United States
$150k-$195k/yr RemoteFull Time
Nomad
Nomad: Digital property management platform offering guaranteed rent services for landlords.
Senior engineer skilled in Typescript+React, Ruby on Rails, PostgreSQL; strong testing, startup experience preferred.
Ruby, Rails, TypeScript, React, PostgreSQL, Playwright, Slack, CI, Testing
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2w
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Fullstack Senior Software Engineer
Austin or Bellevue
$111k-$172k/yr HybridFull Time
Visa
VisaNYSE: V: Global payment technology facilitating electronic funds transfers.
3+ YOESenior software engineer with front-end and back-end expertise; strong collaboration and problem-solving skills; 3+ years for Bachelor’s or 5+ years experience alternative.
HTML, Java, C++, C#, CSS, JavaScript, Python, APIs, Angular, React, Kubernetes, Docker, Git
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Senior Software Engineer II
Raleigh, North Carolina, United States
$95k-$159k/yr HybridFull Time
LexisNexis
LexisNexisNYSE: RELX: Provides legal research and business analytics software solutions.
Senior software engineer with strong full-stack background; AI-enabled tooling experience; strong knowledge of .NET and Angular; hands-on with AI-assisted development tools.
.NET, Angular, GitHub Copilot, Claude, Codex, Gemini
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Senior Software Engineer
New York, New York, United States
HybridFull Time
TickPick
TickPick: Online marketplace for buying no-fee live event tickets.
5+ YOE5+ years professional software engineering; proficient in C#/.NET, TypeScript/Node.js, or React/React Native; SQL (SQL Server/PostgreSQL); experience with AI coding agents; production systems handling real traffic/money; Azure experience a plus
C#/.NET, TypeScript/Node.js, React/React Native, Azure SQL, Azure Service Bus, Azure Storage, Azure Cosmos DB, Claude Code, Codex, Visual Studio, VSCode, Cursor, Azure Cloud Platform
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Senior Software Developer
Fort Meade, Maryland, United States
$220k-$233k/yr OnsiteFull Time
Lentech
Lentech: Provides mission-critical IT and engineering solutions for government agencies.
14+ YOE14+ years software engineering experience, or 18+ years with no degree; TS/SCI w/FSP clearance; strong Java/JavaScript in Linux; Agile; cross-functional collaboration.
Java, JavaScript, Linux, MongoDB, Spring, OSGi, Perl, Python, Lua, NGINX
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Senior Software Developer
Washington, District of Columbia, United States
HybridFull Time
Digital Cloak
Digital Cloak: Provides cybersecurity and engineering services to government agencies.
7+ YOESenior software developer with 7-10 years of experience deploying and managing search tools for large document repositories; expert in MS Power Suite, Azure AI Search, SharePoint Online, and Dataverse; US citizenship and Secret clearance required.
Python, C#, Azure AI Search, SharePoint Online, Microsoft Dataverse, Power BI, Power Apps, Power Automate, Microsoft Office Suite, JavaScript, HTML, CSS
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4w
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Senior Software Engineer
Annapolis Junction, Maryland, United States
$150k-$270k/yr OnsiteFull Time
Synergy ECP
Synergy ECP: Provides cybersecurity and systems engineering for defense agencies.
7+ YOESenior-level software engineer with 7+ years of experience in Java, Python, C++, distributed systems, and system design; TS/SCI with poly required; US citizenship; onsite in Annapolis Junction, MD.
Java, Python, C++, Kubernetes, AWS, Azure
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Senior Software Engineer, Platform
San Francisco or New York City
$225k-$285k/yr HybridFull Time
Unify
Unify: AI-powered platform for automating B2B sales outbound workflows.
5+ YOE5+ years of software engineering; PostgreSQL scaling; production systems; mentoring; fast-paced environment.
PostgreSQL, CI/CD, Observability, Cloud infrastructure, APIs
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Senior Software Engineer - Upper Funnel Engineering
Seattle, Washington, United States
$147k-$193k/yr HybridFull Time
Lululemon Athletica
Lululemon AthleticaNASDAQ: LULU: Designs and sells performance athletic apparel and accessories.
6+ YOESenior software engineer with 6+ years of experience; strong SSR, React, Node.js, Next.js; design and implement scalable systems; mentoring and collaboration.
React, JavaScript, Node.js, Webpack, Next.js, Server Side Rendering
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Senior Software Engineer, Full Stack Focus
United States
$122k-$153k/yr RemoteFull Time
Kin
Kin: Provides data-driven homeowners insurance for climate-affected regions.
Senior Software Engineer with full-stack focus; experience with Typescript, Ruby, PostgreSQL; mentorship; agile; remote work.
Typescript, Ruby, PostgreSQL, React, Vue, Angular, Python
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3w
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Senior Software Engineer- Machine Control Systems
Hazel Crest, Illinois, United States
$110k-$125k/yr OnsiteFull Time
Lanco
Lanco: Manufactures and services heavy lifting and material handling equipment.
10+ YOESenior software engineer with full-stack focus, real-time IoT, hardware integration, and heavy machinery experience.
C/C++, Python, MATLAB/Simulink, EtherCAT, CAN bus, Modbus, Ethernet/IP
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Senior Software Engineer
United States
$135k-$216k/yr RemoteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
12+ YOELead software development for satellite ground system software; manage team; ensure SDLC compliance; integrate COTS components; coordinate with systems and cybersecurity teams.
Java, C++, Python, PowerShell, Perl, Bash, Groovy, XML, Git, Gradle, Ant, Jenkins, CI/CD, VHDL, Linux, JIRA, Confluence
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3w
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Senior Software Engineer
Orlando, Florida, United States
OnsiteFull Time
BAE Systems OneArc
BAE Systems OneArcLondon Stock Exchange: BA: Provides advanced defense simulation, training, and modeling technology.
7+ YOE7+ years software development; Bachelor's in software development or related field; C/C++ with unmanaged memory; strong algorithms and data structures; mentoring experience.
C, C++
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2mo
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Senior Software Engineer
Westwood, Massachusetts, United States
$125k-$175k/yr HybridFull Time
RaySecur
RaySecur: Manufacturer of real-time 3D desktop security imaging scanners.
5+ YOE5+ years of production-grade C++ software, multithreading, real-time systems, Linux/Windows, hardware-close software, image processing, Jira/Confluence.
C++, Linux, Windows, Jira, Confluence
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Senior Software & Systems Engineer
San Diego, California, United States
$130k-$150k/yr OnsiteFull Time
The Marlin Alliance
The Marlin Alliance: Provides digital transformation and automation services to defense agencies.
10+ YOESenior Software/Systems Engineer with 10+ years' experience; DoD Secret clearance; BS in Computer Science, Systems Engineering, or IT; proficient in C#, SQL; strong documentation and SOP development; capable of leading technical tasks.
C#, SQL, JIRA, Confluence
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Senior Software Engineer
Falls Church or Fairfax or Arlington
OnsiteFull Time
ECS
ECSNYSE: ASGN: Provides advanced technology and engineering services to government agencies.
10+ YOESecret clearance to TS/SCI; 10-12 years software engineering; expert in Python/Java/Go/JavaScript; Docker/Kubernetes; DevSecOps CI/CD with Terraform/Ansible; DoD cloud (AWS GovCloud) experience; strong problem solving; good communication.
Python, Java, Go, JavaScript, Terraform, Docker, Kubernetes, Ansible
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Senior Software Engineer - Postgres
United States
$140k-$208k/yr RemoteFull Time
ClickHouse
ClickHouse: High-performance columnar database for real-time data processing and analytics.
6+ YOE6+ years software engineering; Postgres expertise; Ruby, Go, Rust, C, Python; cloud infrastructure; distributed systems.
Ruby, Go, Rust, C, Python, Terraform, Kubernetes, CI/CD, PostgreSQL
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3w
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Senior Software Engineer
Tulsa, Oklahoma, United States
OnsiteFull Time
Enovation Controls
Enovation Controls: Designs and manufactures electronic control and instrumentation solutions.
3+ YOEBachelor's degree in software or related field; minimum 3 years in software development; proficient in C, C++, C#; experience with debugging, Agile; able to work independently.
C, C++, C#, Linux, Windows, MacOS
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Senior Software Engineer, Remote
United States
$165k-$230k/yr RemoteFull Time
NexHealth
NexHealth: Connects patient experience software with electronic health records.
5+ YOE5+ years backend software engineering; experience with distributed systems, cloud, Kubernetes, AWS, PostgreSQL; DevOps practices; security and quality engineering; strong communication.
Kubernetes, AWS, PostgreSQL, DevOps tools
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Senior Software Engineer (DOL- GPMS)
United States
RemoteContract
Horizon Industries
Horizon Industries: Provides IT and management consulting services to government clients.
10+ YOESenior software engineer with 10+ years in SAP Web Intelligence, GitLab/Jira, SAP Universe, PL/SQL; Gov't grant program experience; Appian and architecture delivery knowledge.
GitLab, JIRA, SAP Web Intelligence, SAP Universe, PL/SQL, Appian
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