Jobs in the United States

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Added 17 mins ago
T
Software Architect
TEKsystems
Pittsburgh, PA
- $62.5 to $72.5 USD / hour
software engineering, leadership communication, enterprise application, saas, java, C#, Aws, python, javascript, typescript, scala, software architecture, distributed systems, microservices…
Added 18 mins ago
Full Stack Developer
Deloitte
Philadelphia, PA
Develop application components using modern languages and frameworks, including Python, Java, Angular, and Go.
Added 18 mins ago
RU
Sr Data Engineer (Python/Java/MCP)
Randstad USA
Charlotte, NC
- $65 to $90 USD / hour
Job Summary We are looking for a hands-on Senior AWS Data Engineer with strong experience in Java, Python, PySpark, SQL, AWS Data Engineering, API development, AWS Bedrock, and Model…
Added 20 mins ago
AWS Al / IoT Architect
Redapt
Remote, United States
Develop AWS IoT Greengrass v2 components, recipes, and deployments for both the Java nucleus and nucleus lite, including on resource-constrained devices, with recovery and state-management…
Added 23 mins ago
Systems Software Engineer
DAn Solutions
Washington, DC
Develop, test, maintain, and deploy software using C, C++, Rust, Go, Java, Python, or Node.js.
Added 43 mins ago
Staff Data Engineer
9amHealth
Remote, United States
Our entire data warehouse, ETL, and reporting stack is built in Python on AWS, so deep Python experience is essential. You'll write production-quality Python and SQL, set the architecture…
Added 48 mins ago
Lead SW Engineer
Jabil Inc.
St. Petersburg/Tampa, FL
Proven expertise in designing and developing complex software systems using relevant programming languages (e.g., C++, Java, Python, C#) and frameworks.
Added 1 hour ago
Data Engineer, WW Ops Finance S&A
Amazon.com Services LLC
Bellevue, WA
As a Data Engineer in WW Ops S&A, you will design, implement and support scalable data infrastructure solutions and implement complex data models for Amazon Supply Chain Operations…
Added 1 hour ago
AWS DevOps / Platform Engineer *
LED FastStart
Lafayett, LA
CGI is seeking an AWS DevOps / Platform Engineer with 5+ years of experience in DevOps, platform engineering, or AWS infrastructure automation to support shared cloud platforms across…
Added 1 hour ago
Senior AWS Java Full Stack Developer with Python **
LED FastStart
Lafayette, LA
CGI is seeking a Senior Java Full Stack Developer with 5+ years of experience building enterprise applications using Java, Spring Boot, Angular, Python, and AWS. This role leads the…
Added 1 hour ago
AWS Java Full Stack Developer with Python **
LED FastStart
Lafayette, LA
CGI is seeking a Java Full Stack Developer with 5+ years of experience in application development to build and support applications in an AWS based financial services environment. This…
Added 1 hour ago
Information Technology Specialist (Cloud Engineer)
Patent and Trademark Office
Alexandria, VA
…Information Officer, Enterprise Infrastructure Delivery Office, and Cloud and Network Services Division to support the secure, reliable, and innovative infrastructure that enables the…
Added 1 hour ago
SM
Software Engineer
Stanley Martin Homes
Reston, VA
- $111,800 to $125,300 USD / year
Strong understanding of object-oriented programming languages (e.g., C#, Python, Java)
Added 1 hour ago
Full-stack Engineer 5 (Python, AWS, Typescript)
Capital One
McLean, VA · Richmond, VA
Utilize programming languages like Java, Scala, Python, Go, Node.js, JavaScript and TypeScript, Open Source RDBMS and NoSQL databases, Container Orchestration services including Docker and…
Added 1 hour ago
Sr. Manager, Security Engineer
Capital One
Richmond, VA
Experience in application security and software development in one or more programming languages such as Java, Python, JavaScript, etc.
Added 1 hour ago
Information Technology Specialist (Cloud Engineer)
Patent and Trademark Office
Alexandria, VA
…Information Officer, Enterprise Infrastructure Delivery Office, and Cloud and Network Services Division to support the secure, reliable, and innovative infrastructure that enables the…
Added 1 hour ago
VT
Intern, Research - Applied AI & Software Development
Virginia Tech Applied Research Corporation
Arlington, VA
- $25 USD / hour
…the Decision Science Division (DSD). The position emphasizes Python programming, software integration, and practical artificial intelligence (AI) applications, with opportunities to support…
Added 1 hour ago
BH
UI/Software Engineer 4
Beacon Hill Solution
Colorado Springs, CO
- $140,000 to $180,000 USD / year
Back-End Development: 4+ years of experience with Python, Java, or C#.
Added 1 hour ago
Software Engineer - Global Investment Research - Vice President
Campus
NY · Dallas, TX
Feature Engineering: Build and maintain end-to-end full-stack features, integrating analyst-facing frontends with backend APIs and microservices implemented in Java or Python.
Added 1 hour ago
Journeyman Software Developer, Access Control
Amentum
Merrifield, VA
Demonstrated experience in Java and/or Python and/or NodeJS
Added 1 hour ago
Senior Cybersecurity Assessment Engineer
The MITRE Corporation
McLean, VA · Fort Meade - Annapolis Junction, MD · Windsor, MD
Experience developing software, scripts, or automation solutions using one or more programming languages such as Python, Java, C++, or C#.
Added 1 hour ago
Senior Lead Software Engineer
JPMC page
Jersey City, NJ
Experience delivering secure, production-quality code in Python or Java.
Added 1 hour ago
EG
Full Stack Engineer
Eliassen Group
Durham, NC
- $60 to $80 USD / hour
Design, develop, and maintain highly scalable and reliable backend services using Go. Experience with Java, C++, or Python is a plus.
Added 2 hours ago
Senior Data Engineer
cargill
Atlanta
PROGRAMMING: Advanced programming skills in Python, Java, Scala, or similar languages. Expert-level proficiency in SQL for data manipulation and optimization.
Added 2 hours ago
Cloud Platform and Data Engineer [U.S. Citizenship Required, Public Trust Eligibility]
Via Logic LLC
Remote, United States
Programming & Automation: Experience using Python, Bash, Java, or similar languages to automate tasks and support application or infrastructure operations.

Unissant

Java Engineer

Washington, DC, United States

$99,000 to $164,000 USD / year

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Job details

Pay: $99,000 to $164,000 USD / year
Education: Bachelor’s degree
Posting language: English
Posted: Oct 29, 2026

Original job description

Unissant, Inc. delivers innovative capabilities to the agencies that keep our nation healthy and safe. We apply our domain expertise, data acumen, and technology know-how to achieve breakthrough results for our clients. Working collaboratively, we advance missions and careers through a focus on honesty, integrity, and dependability. We continuously look for talent, excited to join that effort. To learn more about our exciting organization, please visit us at www.unissant.com.

Unissant is seeking a Java Engineer to join our team and support our client.

Essential Duties and Responsibilities:

Design, develop, test, deploy, and maintain secure, scalable enterprise applications using Java 25+, Spring Boot, and Spring Frameworks.
Develop and maintain applications using deep Spring transaction semantics, including proxies, propagation, and rollback-only.
Design and develop data access solutions using Spring Data JPA and Hibernate beyond CRUD, including Specifications, @EntityGraph vs. JOIN FETCH, paginated fetch-join countQuery, lazy loading, and projections.
Develop and maintain modern web application components using Node.js and JavaScript frameworks, preferably Vue.js.
Develop and maintain applications and services using Python.
Develop and deploy cloud-based applications within AWS, leveraging services such as Lambda, API Gateway, ECS, Step Functions, RDS, Elasticsearch, Redis, and related cloud services.
Build and maintain automated CI/CD pipelines using tools such as GitHub Actions and support application containerization using Docker.
Apply AI-assisted development techniques in production systems.
Apply evidence-based verification, application security, and a context-aware development mindset throughout the software development lifecycle.
Develop and execute unit and end-to-end tests with a strong test engineering mindset.
Troubleshoot complex application, integration, deployment, and production issues and implement appropriate corrective actions.
Collaborate with developers, architects, DevOps engineers, business analysts, testers, and other stakeholders throughout the software development lifecycle.
Proactively identify technical risks, dependencies, and team blockers; recommend mitigation strategies and drive issues through resolution.
Manage multiple competing development priorities while meeting sprint, release, quality, security, and project delivery commitments.

Work Experience and Job Skills:

5+ years of IT development experience with Java programming using Spring Boot and Spring Frameworks.
5+ years of Java programming experience, with Java 25 minimum.
Deep understanding of Spring transaction semantics, including proxies, propagation, and rollback-only.
Experience with Spring Data JPA and Hibernate beyond CRUD, including Specifications, EntityGraph vs. JOIN FETCH, paginated fetch-join countQuery, lazy loading, and projections.
3+ years of experience with Node.js libraries, preferably Vue.js.
Python programming experience.
Experience using AI-assisted development for production systems.
3+ years of experience deploying application code in an AWS environment.
3+ years of hands-on experience with AWS services, including Lambda, API Gateway, ECS, Step Functions, RDS, Elasticsearch, Redis, and related cloud services.
Experience with CI/CD pipelines, e.g., GitHub Actions.
Working knowledge of Docker images and containerization.
Strong developer analytical skills, including evidence-based verification, application security, and a context-aware development mindset.
Strong test engineering mindset, including developer unit and end-to-end testing.
Ability to identify risks proactively, recommend mitigating actions, and drive them to resolution; mitigate team blockers.
Ability to manage multiple competing tasks and work collaboratively across functional areas; present and communicate analytical findings on an independent basis.

Additional Qualifications (Strongly Preferred):

Knowledge of JSP, JSTL, and displaytag.
3+ years of Python programming experience.
Experience with build and automation tooling, including Maven multi-module, Bash scripting, Python guards, and Docker.
Production ownership experience, including defect triage, incident diagnosis, ECS deployments, and coverage gates.
Current or recent NIH badge.

Education:

Bachelor's Degree is required.

Communication Skills:

Excellent verbal and written skills, ability to present proposals and performance data, comfortable interfacing all levels of organization.
Ability to write clear and concise creative content in a highly confidential manner.

Clearance Requirements:

Ability to obtain and maintain a Public Trust clearance is required.
Current or recent NIH badge is preferred.

Travel:

This position is primarily remote.
The client may direct or approve occasional in-person participation for planning, transition, training, meetings, workshops, or other program events.

Environmental Requirements:

Mainly a routine office environment.
May be required to lift up to ten (10) pounds.
Flexible in working extended hours.

The above statements are intended to describe the general nature and level of work being performed by the individual(s) assigned to this position. They are not intended to be an exhaustive list of all duties, responsibilities, and skills required. Unissant management reserves the right to modify, add, or remove duties and to assign other duties as necessary. In addition, where applicable and available, reasonable accommodation(s) may be made to enable individuals with disabilities to perform essential functions of this position.

Please note: Candidate(s) will be required to go through pre-employment screening.

Unissant, Inc. is a proud Equal Opportunity Employer! (EOE; M/F/Disability/Vets)

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More about this job

Skills

Oracle Java
Spring Boot
Node.js
JavaScript
Vue.js
Python
AWS
Elasticsearch
Redis
Software development
Troubleshoot
CI/CD
GitHub
Docker
Analytical skills
Communicate analytical insights
Apache Maven
Bash
Communication skills
Heavy lifting

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