Jobs in the United States

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Manufacturing Engineer
Actalent
Mcminnville, OR
Job Title: Manufacturing Engineer Lean / Industrial Engineering FocusJob DescriptionThis Manufacturing Engineer role focuses on Lean and Industrial Engineering within a continuous…
Added just now
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Field Service Engineer
Actalent
Camas, WA
- $28 to $33 USD / hour
Job Title: Field Service Engineer Semiconductor EquipmentJob DescriptionThe Field Service Engineer supports advanced semiconductor manufacturing equipment in a high-volume cleanroom…
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Project Engineer
Actalent
Clive, IA
- $35 to $45 USD / hour
Job Title: Project Engineer Solid Waste and Landfill SystemsJob DescriptionThis role focuses on delivering engineering solutions for solid waste facilities, with an emphasis on landfill and…
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Senior Software Engineer, Release
Anduril Industries
Seattle, WA · Costa Mesa, CA
Added just now
Senior Software Engineer, Release
Anduril Industries
Costa Mesa, CA
Added 1 min ago
EI
Geotechnical Staff Engineer
ENGEO Incorporated
Santa Clara, CA
- $75,000 to $90,000 USD / year
Position Summary: As an ENGEO Staff Engineer you’ll be exposed to a wide variety of project scopes, types, and technical challenges. You will be mentored and supported to take on…
Added 1 min ago
Entry-Level Geologist or Engineer
Brown and Caldwell
Houston, TX
Brown and Caldwell is seeking an Entry-Level Environmental Geologist or Engineer to support site investigation, remediation, environmental, and infrastructure projects. Working under close…
Added 1 min ago
Principal Geotechnical Engineer/Business Unit Leader (Office Manager)
SOCOTEC
Tucson, AZ
Added 2 mins ago
CO
Civil Engineer IV - Community Development
City of Greeley
Greeley, CO
- $118,482 to $171,799 USD / year
Added 3 mins ago
MC
Construction Senior Engineer Associate
Maricopa County, AZ
Phoenix, AZ
- $75,250 to $120,000 USD / year
This position will serve as a Construction Senior Engineer Associate in the MCDOT Construction & Materials Division, working on Transportation and Maintenance Improvement Projects. An ideal…
Added 3 mins ago
Jr Engineer - Construction
TOMARCO CONTRACTOR SPECIALTIES LLP
Portland, OR
Added 3 mins ago
Software Engineer III
Yuhaaviatam of San Manuel Nation
Highland, CA
Under the direction of the Manager, Development Studio, the Software Engineer III is responsible for providing technical leadership and strategic guidance for complex software initiatives,…
Added 4 mins ago
IG
Senior Quality Engineer
Insight Global
Cincinnati, OH
- From $67 USD / hour
Added 4 mins ago
CI
SRE Systems Engineer (TS/SCI Clearance)
Computable Insights LLC
VA
- $117,200 to $176,700 USD / year
Added 4 mins ago
SI
Security Governance Engineer - Secure, Build & Change
Salesforce, Inc.
WA · VA · CA
- $117,200 to $194,200 USD / year
Added 4 mins ago
SI
Software Engineer
Salesforce, Inc.
CO
- $117,200 to $176,700 USD / year
Added 4 mins ago
SI
Front End SMTS Software Engineer - MeshMesh
Salesforce, Inc.
CA · WA
- $148,500 to $246,000 USD / year
Added 6 mins ago
Software Engineer I
TASL TaxAct Admin Services, LLC
Remote, United States
…deductions they never even knew existed. Our tax preparation software offers easy guidance and ensures your maximum tax refund. We strive to build a team of like-minded experts in both tax…
Added 7 mins ago
Senior Instrumentation Engineer
Worley
Monrovia, CA · Long Beach, CA · Monrovia · Long Beach
Added 9 mins ago
Senior Staff Backend Software Engineer, Grid Applications
Tapestry
Mountain View, CA
Originally born at X, Alphabet’s moonshot factory, Tapestry brings together experts in energy, AI, software engineering, and products to build tools that help the electricity ecosystem plan…
Added 10 mins ago
Test and Launch Operations Engineer I
Rocket Lab Corporation
Wallops Island, VA
Added 10 mins ago
Mechanical Engineer I
Rocket Lab Corporation
Long Beach, CA
Added 12 mins ago
KL
Senior Software Engineer
Kaizen Labs
New York, NY · Washington, DC, DC
- $180,000 to $260,000 USD / year
Kaizen powers America’s application layer. We replace the legacy systems federal agencies run on with modern software, built with craft. The ticketing platform a resident uses to visit a…
Added 12 mins ago
KL
Software Engineer
Kaizen Labs
Washington, DC, DC · New York, NY
- $160,000 to $230,000 USD / year
Kaizen powers America’s application layer. We replace the legacy systems federal agencies run on with modern software, built with craft. The ticketing platform a resident uses to visit a…
Added 13 mins ago
Software Development Engineer II, AWS DynamoDB
Amazon Data Services, Inc.
Seattle, WA

Reflexive Concepts

Application Developer

Annapolis Junction, MD, United States

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Job details

Experience: 10+ years of experience with a Bachelor's degree
Posting language: English
Posted: Nov 2, 2026

Original job description

Reflexive Concepts is seeking an Application Developer to join our team!

In this hands-on backend role, you will build Java (and some Python) libraries and integration services that convert constantly changing data sources into a common, reusable schema used across the organization, while also helping manage MongoDB services and day-to-day Linux operations.

Requirements:

Design, develop, and maintain backend libraries and services that transform diverse data formats into a common, reusable schema consumed by multiple applications across the organization. This is a hands-on technical role focused primarily on Java development, with secondary responsibility for Python-based components where needed. There is no UI work; the emphasis is on building robust libraries and integration services that can reliably ingest, interpret, and convert constantly changing data sources into a standardized internal model.

In addition to core development responsibilities, this role includes a system administration component. The engineer will help manage and optimize MongoDB services, work within a Linux ecosystem, and perform operational tasks such as upgrading servers, installing RPMs, monitoring services, and troubleshooting environment issues.

Key responsibilities include:

Designing and implementing data ingestion and transformation logic
Creating and maintaining shared libraries for common data formats
Ensuring performance and scalability
Contributing to architectural decisions around data modeling and integration patterns
Collaborating through modern development practices, including Git-based source control, code reviews, and continuous improvement of development workflows

The ideal candidate has deep experience in Java (and familiarity with Python), a strong understanding of working with varied data formats (e.g., JSON, XML, CSV, and custom structures), and practical experience administering Linux-based systems and MongoDB in production environments. Strong problem-solving skills, attention to detail, and a willingness to engage in both development and operational tasks are critical for success in this role.

Qualifications:

10+ years of experience with a Bachelor's degree
Bachelor's degree in Electrical Engineering or Computer Science or Computer Engineering or Mathematics. Four (4) years of equivalent related military experience may be substituted for the Bachelor's degree
or Master of Computer Science or Computer Engineering
Shall have knowledge and experience in three (3) or more of the following:
System Requirements Analysis
Software System Design
Software System Development
Software System Integration
Software System Testing
Experience in four (4) or more of the following:
Developing software applications in C, C++, or Java
Developing software applications for Unix, Linux, or Windows environments
Developing DLLs for the Windows environment
Development on computer telephony platforms using computer technology cards such as Dialogic
Object-oriented programming
Working knowledge of common protocols/standards such as TCP/IP, SNMP, H.323, X.25, 802.11, 802.16, SIP, MEGACO, or MGCP
Web development, with proven knowledge of XML, PHP, MySQL, ColdFusion, or Apache
Script writing using Perl, Python, Bourne shell, C shell, or other proprietary scripting languages
Database experience with Sybase, Oracle, or Microsoft
Reverse engineering and analysis of software
Kernel knowledge of Unix (Linux)
Bit-level data analysis

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