Explore 4 react developer jobs from 4 hiring companies in Maize, KS, US. Filter by remote, salary, experience, and company, then open any listing to apply.

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React Developer Jobs

CACI International

Knowmadics

Upstart

weavix

Hybrid

Onsite

Remote

Job Purpose/Summary 
 
The Geospatial Software Engineer designs, builds, and operates scalable geospatial systems that transform complex spatial-temporal and sensor-derived data into analytics, visualizations, and web-based applications. This role spans the full data path from curated datasets and geospatial processing pipelines through to low-latency APIs and analyst-facing, map-based tools. 
  
Working across backend infrastructure and front-end visualization, the engineer transforms spatial-temporal data and develops robust analytics. They ensure that data pipelines, databases, and web applications are performant, reliable, and designed for real-world operational use. 
  
In close collaboration with data scientists, geophysicists, and cross-functional engineering teams, this role translates advanced research and sensor analytics into scalable systems. As part of a fast-moving, government-funded technology business, the Geospatial Software Engineer operates with high ownership in an applied research environment focused on delivering impactful, mission-driven solutions. 
 
Duties and Responsibilities 
<ul>
<li>Design and build scalable geospatial data pipelines from curated data </li>
</ul>
<ul>
<li>Develop and operationalize spatial-temporal analytics, including movement characterization, clustering, and advanced spatial transformations. </li>
</ul>
<ul>
<li>Translate complex geospatial workflows into reliable, low-latency APIs that power web-based analytical tools. </li>
</ul>
<ul>
<li>Build and maintain interactive, map-based applications for analysts exploring sensor-derived, spatial-temporal data. </li>
</ul>
<ul>
<li>Deploy and operate services in a cloud-native environment using containerized infrastructure. </li>
</ul>
<ul>
<li>Collaborate with data scientists and domain experts to operationalize advanced analytics into robust systems. </li>
</ul>
<ul>
<li>Take ownership of features from backend ingestion through to front-end visualization in an applied research environment. </li>
</ul>
 
Qualifications 
 
Minimum: 
<ul>
<li>3+ years of hands-on geospatial software engineering experience. </li>
</ul>
<ul>
<li>Strong Python geospatial experience, including libraries such as GeoPandas, Shapely, PyProj, and similar tooling. </li>
</ul>
<ul>
<li>Solid understanding of spatial modelling, projections, zonal statistics, and spatial transformations. </li>
</ul>
<ul>
<li>Experience working with spatial-temporal datasets. </li>
</ul>
<ul>
<li>Experience building ETL/data pipelines loadingdata into operational databases such as PostgreSQL with PostGIS/TimescaleDB. </li>
</ul>
<ul>
<li>Experience developing full-stack applications using Python-based backends, FastAPI/Pydantic preferred, and modern JavaScript front-end frameworks with React. </li>
</ul>
<ul>
<li>Experience building geospatial visualizations using libraries such as Cesium, Mapbox/MapLibre, or Lonboard. </li>
</ul>
<ul>
<li>Experience working in AWS or similar cloud environments. </li>
</ul>
<ul>
<li>Experience deploying containerized applications using Docker and familiarity with Kubernetes. </li>
</ul>
<ul>
<li>Eligible to obtain a U.S. Security Clearance – U.S. Citizenship required </li>
</ul>
Preferred: 
<ul>
<li>Direct experience processing geophysical, sensor, or seismographic data. </li>
</ul>
<ul>
<li>Experience developing CI/CD pipelines for data services using Git-based workflows and infrastructure-as-code principles. </li>
</ul>
<ul>
<li>Experience with event-driven or streaming data systems e.g. Kafka, Spark, Flink, or Sedona. </li>
</ul>
<ul>
<li>Experience with lakehouse-style analytical tables e.g. Iceberg or Delta  </li>
</ul>
<ul>
<li>Experience with SQL query engines e.g. Trino, DuckDB, or Athena </li>
</ul>
<ul>
<li>Strong production experience with PostgreSQL with PostGIS and TimescaleDB extensions at scale. </li>
</ul>
<ul>
<li>Experience working with cloud-native geospatial architectures and cloud-optimized formats. </li>
</ul>
<ul>
<li>Experience scaling geospatial workloads in Kubernetes-based environments. </li>
</ul>
<ul>
<li>Experience applying ML/AI techniques, e.g. Bayesian methods and neural networks, to spatial-temporal datasets. </li>
</ul>
<ul>
<li>Background in defense, cybersecurity, space, or other mission-driven sensor analytics environments. </li>
</ul>
Working conditions 
 
<ul>
<li>Employees may be called upon to participate in in-person meetings, trainings, or company functions at Knowmadics offices or other designated locations. Travel in support of business operations may also be required, and employees are expected to comply with these obligations as part of their position. </li>
</ul>
 
 
Physical requirements 
 
May include sitting or standing for extended periods, working with computers and technical equipment, and occasionally lifting or moving materials or tools. 
 
Direct reports 
 
None

Software Engineer, Geospatial

Software Engineer

3+ years geospatial software engineering; strong Python geospatial stack; ETL pipelines; full-stack Python + React; AWS; Docker/Kubernetes; eligible for U.S. security clearance.

<div class="content-intro">About Upstart
At Upstart, we’re united by a mission that matters: to radically reduce the cost and complexity of borrowing for all Americans. Every day, we bring creativity, experimentation, and advanced AI to reshape access to credit, helping millions move forward financially with clarity and confidence.
As the leading AI lending marketplace, we partner with banks and credit unions to expand access to affordable credit through technology that’s both radically intelligent and deeply human. Our platform runs over one million predictions per borrower using more than 1,800 signals, powering smarter, fairer decisions for millions of customers. But the numbers only hint at the impact. Every idea, every voice, and every contribution moves us closer to a world where credit never stands between people and their financial progress.
We’re proudly digital-first, giving most Upstarters the flexibility to do their best work from wherever they thrive, alongside teammates across 80+ cities in the US and Canada. Digital-first doesn’t mean distant. We’re intentional about in-person connection through team onsites, planning sessions, and moments that spark creativity and trust. And whether you choose to work primarily from home or collaborate in-person from one of our offices in Columbus, Austin, the Bay Area, or New York City (opening Summer 2026), you’ll have the support to work in the way that works best for you.
If you’re energized by tackling meaningful problems, excited to innovate with purpose, and motivated by work that truly matters, we’d love to hear from you.</div><h3>The Role</h3>
As a Principal Mobile Software Engineer at Upstart, you’ll sit at the intersection of mobile platform and product development. You’ll lead efforts to scale and refine our React Native architecture while partnering closely with product, design, and backend teams to ship impactful, high-quality features.
You’ll define technical direction, improve developer experience, and mentor other engineers — all while helping Upstart grow into a truly mobile-first company. This is a highly cross-functional role with visibility across the stack and deep influence on how we build and deliver mobile software.You’ll play a key role in shaping how mobile is built and scaled at Upstart — helping define mobile as a core product pillar and driving impact across teams and surfaces.
<h3>The Team</h3>
The Mobile team at Upstart is building the future of our user experience. Today, we have a live iOS app built in React Native, and we’re actively planning our Android expansion. Our platform is still early-stage, which means there's a huge opportunity to influence architecture, best practices, performance, and product velocity.
We move quickly, collaborate tightly with backend and design, and care deeply about quality — not just in the UI, but in the systems that power a great user experience.
<h3>What You’ll Do</h3>
<ul>
<li style="font-family: helvetica, arial, sans-serif;">Drive technical strategy for our mobile apps — from platform architecture to product scalability and developer experience.</li>
<li style="font-family: helvetica, arial, sans-serif;">Build foundational systems in React Native that enable fast, high-quality feature development across both iOS and Android.</li>
<li style="font-family: helvetica, arial, sans-serif;">Collaborate with product and design to scope, implement, and launch user-facing features that align with company goals.</li>
<li style="font-family: helvetica, arial, sans-serif;">Bridge mobile and backend systems by shaping APIs and improving client-server interaction patterns.</li>
<li style="font-family: helvetica, arial, sans-serif;">Identify friction in the mobile development lifecycle and lead improvements to tooling, modularization, CI, and testing strategies.</li>
<li style="font-family: helvetica, arial, sans-serif;">Mentor engineers and help grow a culture of ownership, technical rigor, and continuous learning.</li>
<li style="font-family: helvetica, arial, sans-serif;">Influence both product and platform direction as we scale our mobile efforts across multiple surfaces and teams.</li>
<li style="font-family: helvetica, arial, sans-serif;">Support company goals such as improving user engagement, increasing retention, and unlocking new growth channels through mobile innovation.</li>
<li style="font-family: helvetica, arial, sans-serif;">Help define and uphold the engineering culture, patterns, and practices that guide mobile development at Upstart. </li>
</ul>
<h3>We’re Excited About You Because You…</h3>
<ul>
<li style="font-family: helvetica, arial, sans-serif;">Have 8+ years of professional software development experience, including meaningful contributions to production mobile apps.</li>
<li style="font-family: helvetica, arial, sans-serif;">Have built and maintained features in both React Native and at least one native platform (e.g., Swift/Objective-C for iOS or Kotlin/Java for Android).</li>
<li style="font-family: helvetica, arial, sans-serif;">Understand the nuances of mobile performance, memory management, and platform-specific challenges.</li>
<li style="font-family: helvetica, arial, sans-serif;">Have led architecture planning and helped engineering teams make informed tradeoffs.</li>
<li style="font-family: helvetica, arial, sans-serif;">Communicate early and often with cross-functional partners in product, design, backend, and QA to ensure alignment and shared understanding.</li>
<li style="font-family: helvetica, arial, sans-serif;">Take ownership of your work from design through delivery, and value long-term thinking over quick fixes.</li>
<li style="font-family: helvetica, arial, sans-serif;">Appreciate the strength of diverse perspectives and thrive on being part of an inclusive, collaborative team.</li>
<li style="font-family: helvetica, arial, sans-serif;">Embrace a growth mindset, value mentorship, and enjoy helping others grow. </li>
</ul>
<h3>Bonus Points If You…</h3>
<ul>
<li style="font-family: helvetica, arial, sans-serif;">Have supported or led the migration of native apps to React Native, or introduced native modules into React Native codebases.</li>
<li style="font-family: helvetica, arial, sans-serif;">Have supported or led the introduction of React Native on the Android platform.</li>
<li style="font-family: helvetica, arial, sans-serif;">Are comfortable working with TypeScript or custom native modules.</li>
<li style="font-family: helvetica, arial, sans-serif;">Have experience working at a company where mobile is a primary user touchpoint.</li>
<li style="font-family: helvetica, arial, sans-serif;">Have built or scaled mobile systems like push notifications, deep linking, analytics, or A/B testing frameworks.</li>
<li style="font-family: helvetica, arial, sans-serif;">Enjoy building platforms that empower other developers to move faster and ship with confidence.</li>
</ul>
&nbsp;
Position Location -&nbsp;This role is available in the following locations: Remote, San Mateo, Columbus, Austin&nbsp;
Time Zone Requirements - This team operates across all U.S. time zones.
Travel Requirements - This team has regular on-site collaboration sessions. These occur 3 days per quarter at an Upstart office. If you need to travel to make these meetups, Upstart will cover all travel related expenses.
&nbsp;
#LI-REMOTE
#LI-MidSenior
<div id="te-floating-button-container"></div><div class="content-pay-transparency"><div class="pay-input"><div class="description">At Upstart, your base pay is one part of your total compensation package.&nbsp; The anticipated base salary for this position is expected to be within the below range. Your actual base pay will depend on your geographic location–with our “digital first” philosophy, Upstart uses compensation regions that vary depending on location. Individual pay is also determined by job-related skills, experience, and relevant education or training. Your recruiter can share more about the specific salary range for your preferred location during the hiring process.
In addition, Upstart provides employees with target bonuses, equity compensation, and generous benefits packages (including medical, dental, vision, and 401k).</div><div class="title">United States | Remote - Anticipated Base Salary Range</div><div class="pay-range">$195,300&mdash;$270,400 USD</div></div></div><div class="content-conclusion">What you'll love
At Upstart, our benefits are designed to support your health, financial well-being, family, and personal growth. Here’s what you can expect:
<ul>
<li>Competitive compensation, including base pay, bonus opportunities, and annual equity grants that vest quarterly</li>
<li>Generous 401(k) plan with Upstart matching $2 for every $1 contributed, up to $15,000 per year</li>
<li>Employee Stock Purchase Plan (ESPP) with discounted stock purchase options for eligible employees</li>
<li>Affordable medical, dental, and vision coverage, with multiple plan options - Upstart covers 90% to 100% of the cost depending on the plans you choose</li>
<li>Health Savings Account contributions from Upstart for eligible plans</li>
<li>Income protection benefits, including company-paid Basic Life, AD&amp;D, and Short- and Long-Term Disability coverage, with options to purchase supplemental coverage</li>
<li>Paid time off, sick and safe time, and company holidays&nbsp;</li>
<li>Paid family and parental leave to support caregiving and major life moments</li>
<li>Family-centered benefits through Carrot and Cleo, supporting fertility, parenthood, and caregiving</li>
<li>Employee Assistance Program (EAP) offering mental health support and life-centered resources</li>
<li>Financial wellness resources, including access to financial planning tools and a financial concierge service</li>
<li>Annual wellness allowance to support your physical and emotional well-being and personal development, based on what matters most to you</li>
<li>Annual productivity allowance to invest in relevant tools and resources you need to do your best work, no matter where you work from</li>
<li>Connection and community through team events and onsites, all-company updates, and employee resource groups (ERGs)</li>
<li>Onsite perks, including catered lunches and fully stocked micro-kitchens when working from one of our four offices, located in the Bay Area, Austin, Columbus, and New York City (opening Summer 2026!).</li>
</ul>
Upstart is a proud Equal Opportunity Employer. Just as we are dedicated to improving access to affordable credit for all, we are committed to inclusive and fair hiring practices.
If you require reasonable accommodation in completing an application, interviewing, completing any pre-employment testing, or otherwise participating in the employee selection process, please email <a href="mailto:candidate_accommodations@upstart.com">candidate_accommodations@upstart.com</a>
<a href="https://www.upstart.com/candidate_privacy_policy">https://www.upstart.com/candidate_privacy_policy</a></div>

Principal Mobile Software Engineer

8+ years software development; React Native and native mobile experience; architecture planning; cross-functional collaboration; mentorship.

Sr Android Platform Engineer

Android Platform Engineer

5+ years Android platform engineering; custom Android OS (AOSP) modifications; Android 14+; Kotlin/Java; C/C++; JNI; Node.js backend; React Native; hardware/software integration.

Caci

Job Title: Full Stack Java DeveloperJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: NoneEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Local* * * The Opportunity:Serve as an Agile Scrum team member providing software development and maintenance for the delivery of releasable software in short sprint cycles. Responsible for activities associated with delivery of software solutions associated with customer-defined systems and software projects by working in close collaboration with software developers/engineers, stakeholders, and end users within Agile processes. Responsibilities:<ul><li>Designing, developing, and implementing custom software and database application capabilities for a variety of legacy and modernized systems with limited oversight</li><li>Acting as a member of a product team supporting teammates and collaborating with a do what it takes attitude to ensure product and team success</li><li>Providing improvements to the product(s) being supported</li><li>Actively participate in release and sprint planning, artifact creation, sprint testing, regression testing, demonstrations and retrospectives and solution releases</li><li>Supporting release planning with conceptual design and development / refinement of software engineering guidelines</li><li>Analyzing complex project-related problems and creating innovative solutions involving scheduling, technology, methodology, tools, and solution components</li><li>Ensuring product quality and timeliness of work, providing advice and guidance, resolving problems to meet objectives, and providing periodic performance reports</li><li>Providing mentoring to junior members of the team</li></ul> Qualifications: Required: <ul><li>Must be a U.S. Citizen with the ability to pass CBP background investigation, criteria include but are not limited to:<ul><li>3 year check for felony convictions</li><li>1 year check for illegal drug use</li><li>1 year check for misconduct such as theft or fraud</li></ul></li><li>College degree (B.S.) in Computer Science, Software Engineering, Information Management Systems, or a related discipline.  Equivalent professional experience will be considered in lieu of degree</li></ul><ul><li>Professional Experience: at least seven (7) years related technical experience, with software design, development, and implementation</li><li>Experience with JavaScript Web-Services Development; Familiarity with any of the following: JavaScript, React, Typescript,</li><li>Micro services architecture and development: Familiar with JavaScript, NodeJS, React, Jest</li><li>Database Development: Experience with NoSQL databases (DocumentDB)</li><li>Experience with application integration and delivery with a DevOps pipeline</li><li>Acting independently to expose and resolve problems</li><li>Experience with GIT source code control systems and concurrent development workflows</li><li>Ability to apply estimation techniques to software development efforts</li><li>Working knowledge of and ability to assist others in the use of software engineering tools to support process improvement</li><li>Excellent written and verbal communication skills</li><li>Strong collaboration skills and desire to work within a team</li><li>Understanding of all elements of the software development life cycle, including planning, development, requirements management, CM, quality assurance, and release management</li><li>Local candidates must be available to work a hybrid schedule with on-site requirements in Ashburn, VA</li></ul> Desired:<ul><li>React UI application Development</li><li>Familiarity with redis cache</li><li>Knowledge of ffmpeg and video codecs as relates to webcams</li><li>Ability to apply advanced principles, theories, and concepts, and contribute to the development of innovative principles and ideas</li><li>Experience developing with WebSockets for real time communication between web clients and servers</li></ul>-_________________________________________________________________________What You Can Expect: A culture of integrity.At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.An environment of trust.CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.A focus on continuous growth.Together, we will advance our nation&#39;s most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy. Your potential is limitless. So is ours._________________________________________________________________________Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.Since this position can be worked in more than one location, the range shown is the national average for the position.The proposed salary range for this position is: $90,300-$189,600CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

Full Stack Java Developer

Seven+ years of software design, development, and delivery experience; strong JavaScript/Java stack; DevOps experience; NoSQL; GIT; excellent communication; hybrid on-site in Ashburn, VA.

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