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Stack App Jobs in Washington (NOW HIRING)

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Stack App information

What are Stack Apps?

Stack Apps are applications, scripts, and tools built using the Stack Exchange API. They are designed to enhance the user experience on Stack Exchange sites by providing additional features, integrations, or utilities. Developers create Stack Apps to automate tasks, provide analytics, or interact with Stack Exchange data in creative ways. The Stack Apps platform also serves as a community for sharing and discussing these tools.

What are the main responsibilities of a Stack App Developer within a typical software development team?

A Stack App Developer is responsible for building, maintaining, and optimizing applications across the full technology stack—both front-end and back-end. In a typical team, they collaborate closely with designers, product managers, and other engineers to deliver functional, user-friendly features. Daily tasks may include coding, code reviews, debugging, and participating in agile ceremonies. This role often involves problem-solving and adapting to new technologies as project needs evolve, making strong communication and teamwork skills essential.

What are the key skills and qualifications needed to thrive as a Stack Application Developer, and why are they important?

To thrive as a Stack Application Developer, you need strong proficiency in programming languages (such as JavaScript, Python, or Java), knowledge of front-end and back-end frameworks, and typically a degree in computer science or related field. Experience with development tools like Git, databases (SQL or NoSQL), and cloud platforms is commonly required, along with familiarity with CI/CD pipelines. Excellent problem-solving skills, communication, and the ability to work collaboratively in agile environments set top performers apart. These skills are crucial for building robust, scalable applications, maintaining code quality, and delivering efficient solutions in dynamic development teams.
What cities in Washington are hiring for Stack App jobs? Cities in Washington with the most Stack App job openings:
Infographic showing various Stack App job openings in Washington as of July 2026, with employment types broken down into 48% Full Time, 46% Part Time, and 6% Contract. Highlights an 94% Physical, 4% Hybrid, and 2% Remote job distribution.
Java Full Stack Engineer with Security Clearance

Java Full Stack Engineer with Security Clearance

Cohere Technology Group LLC

Chantilly, VA • On-site

Other

This job post has expired today. Applications are no longer accepted.


Job description

Cohere Technology Group LLC Java Full Stack Engineer Chantilly, VA - Full Time Java Full Stack Engineer Northern Virginia Area - Full Time
Job Description: Cohere is looking for a self-starting, team-oriented Mid-to-Senior Software Engineer to join our dynamic development team in supporting a Government customer. The team is researching and designing prototypes for large-scale distributed enterprise micro-service applications using web technologies, distributed computation and storage frameworks, and sophisticated, cutting-edge domain analytics, with the system hosted on virtualized and cloud-computing platforms. The successful candidate will have the ability to work both independently with little supervision as well as engage with a team to achieve overall project objectives. Essential Functions:
The Java Full Stack Engineer participates in a development team using Agile methodologies combined with mature software practices and technology-supported development infrastructure. The Java Full Stack Engineer will execute full lifecycle agile workflow including daily SCRUMs, story grooming and bidding, and sprint execution. The Java Full Stack Engineer will research, design, develop, and extend the software baseline to implement new capabilities and to mature existing capabilities using key enabling technologies and frameworks. The Java Full Stack Engineer will help maintain the deployed system, diagnose and resolve issues, and provide support to end-users as needed. The Java Full Stack Engineer will provide technical and methodological guidance to the team, while helping steer the team to be self-reliant and highly effective at meeting project objectives.
The ideal candidate will have outstanding technical talent; have the desire to continuously learn and apply new skills and technologies; and be eager to take on hard problems and develop successful solutions to achieve the overall mission.
* Backend:
* Spring and/or Spring Boot frameworks; web endpoint controllers, Kafka listeners, JPA framework, Testcontainers
* Microservice architecture, message passing state sharing
* Database – PostgreSQL or any SQL (Experience with PostgreSQL or similar Relational Database Management System (RDBMS)
* Web app server
* Familiar (Experience preferred) with open-source web application server such as Apache HTTP, Tomcat
* Middle tier – messaging systems
* Experience using the following:
* Kafka – or any Java-based message broker – including managing topics, filtering with headers, supporting broad distributed services
* Experience in development and usage with RESTful web services including asynchronous futures
* Frontend:
* Experience with development using Vue.js front-end web application platform or similar web frameworkQualifications:
* B.S. degree Computer Science, Systems Engineering, Information Systems, Computer Engineering, or a related discipline and 9+ years of experience or M.S. degree and 7 years of experience.
* 4 years’ experience Java development with Spring and/or Spring Boot framework establishing services for each tier (backend, frontend, web, and middle).
* 3 Years' experience with Vue.js front-end web application platform and UI components or similar web framework.
* 3 years’ experience with middle tier messaging systems, Kafka or similar and development and usage with RESTful web services
* 3 plus years' experience with Java development with Relational Database Management.Preferred Qualifications:
Experience in modeling and simulation, designing and developing secure Cloud-Agnostic applications using Vue.js, Quasar, Spring Boot, AWS Lambda, and microservice architectures.