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React Query Jobs in Maryland (NOW HIRING)

Data Engineer

Fort George G Meade, MD · On-site

$135K - $216K/yr

Extensive experience with React 18/19 best practices to refactor legacy React 16 code. Strong ... Experience with MarkLogic, specifically utilizing xQuery to search, query, and manage database data ...

Data Engineer

Fort George G Meade, MD · On-site

$135K - $216K/yr

Extensive experience with React 18/19 best practices to refactor legacy React 16 code. Strong ... Experience with MarkLogic, specifically utilizing xQuery to search, query, and manage database data ...

... React. • Build and maintain back-end services, APIs, and integrations using Python and/or Java. • Model, query, and manage data using Microsoft SQL Server and Microsoft Fabric. • Leverage ...

Net C# - Java - Node.js - Python - HTML - CSS - JavaScript - Vue.js - React * Experience deploying ... Working knowledge of relational databases and performance basics (indexes, query tuning at a ...

Data Engineer

Fort George G Meade, MD · On-site

$135K - $216K/yr

Extensive experience with React 18/19 best practices to refactor legacy React 16 code. Strong ... Experience with MarkLogic, specifically utilizing xQuery to search, query, and manage database data ...

... React UIs, Java and Go microservices, custom REST security services, and data stores such as ... The program provides users with real‑time alerting, historical querying with smart query builders ...

Software Engineer

Columbia, MD · On-site

$86.90 - $198/hr

Experience with both SQL and NoSQL databases for data modeling and query optimization. * TS/SCI ... Experience with C#, .NET, JavaScript, React, NodeJS, PHP, or Drupal. * Knowledge of security best ...

Senior Software Engineer

Baltimore, MD · Remote

$140K - $160K/yr

Ruby on Rails (backend), React (web), and Flutter (mobile). We are looking for a pragmatic engineer ... Technical Rigor: Deep understanding of relational database design, query optimization, and ...

Senior Software Engineer

Baltimore, MD · On-site +1

$140K - $160K/yr

Ruby on Rails (backend), React (web), and Flutter (mobile). We are looking for a pragmatic engineer ... Technical Rigor: Deep understanding of relational database design, query optimization, and ...

Frontend (React/Next.js): Ability to deliver polished, responsive production UIs with thoughtful ... Databases (PostgreSQL): Schema design, query optimization, migrations, and data loading ...

Frontend (React/Next.js): Ability to deliver polished, responsive production UIs with thoughtful ... Databases (PostgreSQL): Schema design, query optimization, migrations, and data loading ...

Showing results 41-60

React Query information

What is React Query?

React Query is a powerful data-fetching and state management library for React applications. It simplifies the process of fetching, caching, synchronizing, and updating server data in your UI, eliminating the need for complex state management solutions or manual data handling. By handling background updates, caching, and stale data, React Query helps developers build fast and responsive applications with less boilerplate code. It works seamlessly with REST, GraphQL, and other data sources, making it a versatile choice for modern web development.

What are some common challenges developers face when integrating React Query into an existing React application?

One common challenge developers encounter is adapting existing state management patterns to leverage React Query’s data-fetching and caching mechanisms effectively. Transitioning from traditional global state solutions like Redux or Context to React Query often requires rethinking how server state and client state are separated and managed. Additionally, ensuring proper cache invalidation and understanding query keys can be tricky at first, but mastering these concepts is essential for optimal application performance. Collaborating with teammates to establish best practices for query structure and error handling helps streamline the adoption process.

What are the key skills and qualifications needed to thrive as a React Query developer, and why are they important?

To thrive as a React Query Developer, you need a solid understanding of JavaScript, React, and asynchronous data fetching patterns, along with experience in frontend development. Proficiency with React Query itself, familiarity with RESTful APIs, GraphQL, and tools like Axios or Fetch are typically required. Strong problem-solving skills, attention to detail, and effective communication set top candidates apart in this role. Mastery of these skills ensures efficient data management, optimal user experiences, and smooth integration of complex data-driven features in modern web applications.

What is the difference between React Query vs React Developer?

AspectReact Query
Required SkillsData fetching, caching, server state management, React hooks
Work EnvironmentFrontend development, UI/UX focus, JavaScript/React projects
Industry UsageWeb applications, SaaS platforms, e-commerce sites

React Query is a library for managing server state in React applications, focusing on data fetching and caching. A React Developer builds entire user interfaces, often using React Query as a tool within their skill set. While React Developers need broader knowledge of React, JavaScript, and UI design, React Query specialists focus on efficient data management within React apps. Both roles often overlap in web development teams, but React Query is a specific library skill, whereas React Developer is a broader role.

What cities in Maryland are hiring for React Query jobs?

Cities in Maryland with the most React Query job openings:

Data Engineer

Peraton

Fort George G Meade, MD • On-site

$135K - $216K/yr

Full-time

Re-posted 13 days ago


Peraton rating

8.3

Company rating: 8.3 out of 10

Based on 56 frontline employees who took The Breakroom Quiz

51st of 224 rated it services


Job description

Responsibilities

Peraton seeks a Data Engineer to support Department of Defense Cyber Defense Command (DCDC) with defensive cyberspace operations and AI/ML security support.

Location: Fort Meade, MD.  

In this role, you will design and implement data infrastructure, pipelines, and integration solutions to support DCDC analytic capabilities within Caspian and JCRS-D environments. You will operate as part of the Analytic Development Team. 

 Primary Responsibilities:

  • Design and implement ETL workflows using Airflow, NiFi, or similar
  • Develop data transformation logic for schema compliance
  • Integrate data from IoT streams, APIs, and legacy systems
  • Implement data validation and quality checks
  • Optimize pipeline performance and reliability
  • Maintain data lineage tracking and documentation
Qualifications

Required Qualifications:

  • Minimum of 8 years with BS/BA; Minimum of 6 years with MS/MA; Minimum of 3 years with PhD
  • Proficiency in Python, SQL, Scala

  • Experience with Spark, Kafka, and Hadoop ecosystem

  • Knowledge of data modeling and warehousing

  • Understanding of streaming architectures

  • Experience with cloud data services

  • U.S Citizenship required
  • DoD TS with ability to obtain/maintain SCI clearance

Preferred Qualifications: 

  • Cloud platform certifications preferred

  • 5-8 years of specific experience
  • Bachelor's degree in Computer Science, Data Engineering, or related field
  • Extensive experience with React 18/19 best practices to refactor legacy React 16 code. Strong foundational skills in HTML, CSS, JavaScript, and TypeScript.
  • Strong understanding of common web vulnerabilities (XSS, Injection, DoS, ReDoS, Clickjacking) to ensure security compliance during refactoring
  • Experience using Flux CD and Kubernetes to deploy applications, and using GitLab for security pipelines
  • Experience with Node.js and Express
  • Experience with MarkLogic, specifically utilizing xQuery to search, query, and manage database data
Peraton Overview

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can't be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we're keeping people around the world safe and secure.

Target Salary Range$135,000 - $216,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual's experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.EEOEEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.Employment Type: FULL_TIME

What Peraton employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom


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About Peraton

Sourced by ZipRecruiter

At Peraton, we re at the forefront of delivering the next big thing every day. We re the partner of choice to help solve some of the world s most daunting challenges, delivering bold, new solutions to keep people around the world safer and more secure.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Herndon, VA, US

Year founded

2017