Jobs in the United States

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Added 14 days ago
Senior Engineer - RF
BAE Systems
Nashua, NH
Experience in RF/Microwave subsystem, module and circuit design and development
Added 14 days ago
WA
Senior Software Engineer
Walmart Associates, Inc.
Hoboken, NJ
- $137,717 to $216,000 USD / year
…high-scalability needs. Assist in the selection of appropriate languages, development standards and tools for software coding/configuration. Take the initiative to learn the fundamentals of…
Added 14 days ago
Senior Lead Security Engineer - PKI, Cryptography
JPMC page
Plano, TX
Lead the design and development of key management and data protection capabilities, including hardware security module and key management service integrations, envelope encryption patterns,…
Added 14 days ago
Sr. Full Stack Engineer, Unified Ads Platform
Unity Technologies ApS
NY
As a Senior Full-Stack Engineer on the Unified Ads Platform team, you'll own the s
Added 14 days ago
Manufacturing Engineer
ZF Chassis Systems Duncan, LLC
United States
What you can look forward to as a Manufacturing Engineer:
Added 14 days ago
Mechanical Technician - Hardware Engineering
QuEra Computing, Inc.
Boston, MA
…liquid-cooling manifolds, cable management, and opto-mechanical module…
Added 14 days ago
Sr. controls engineer team leads
Church & Dwight Co., Inc.
York, PA
…Have the Power to Win. ABOUT THE OPPORTUNITY: 1. Sr Controls Engineer 2. Monday - Friday Hours may vary Come join our York, PA facility where we manufacture and distribute products such as…
Added 14 days ago
Module Advanced Development Signal Integrity Engineer
Nokia of America Corporation
Allentown, PA
Added 14 days ago
Test Engineer III | Launch and Test Operations
Blue Origin Personnel, LLC
Space Coast, FL
Design, construct, operate, and maintain test facilities to support the development, qualification, and production of orbital rockets, lunar spacecrafts, and launch vehicle systems at…
Added 14 days ago
Test Engineer III | Launch and Test Operations (Ground Software)
Blue Origin Personnel, LLC
Space Coast, FL
Participate in the Design, construct, operate, and maintain test facilities to support the development, qualification, and production of orbital rockets, lunar spacecrafts, and launch…
Added 14 days ago
WS
Senior Software Engineer
WALMART SUPER CENTER
Denver, CO
- $126,901 to $198,000 USD / year
…Assist in the selection of appropriate languages and software development standards and tools for software coding and configuration. Take initiative to learn the fundamentals of different…
Added 14 days ago
Senior Manufacturing & NPI Engineer
Antora Energy
St Marys, PA
Antora is seeking a Senior Manufacturing & New Product Introduction (NPI) Engineer to lead the end-to-end implementation of advanced manufacturing processes, focusing on machining…
Added 14 days ago
I
Systems Engineer
INFOTRON
Palmer, AK
- $125,000 to $150,000 USD / year
We are looking for an experienced Systems Engineer to support complex electro-mechanical products in a regulated environment, with a strong focus on requirements engineering.
Added 15 days ago
Lead, Electrical Engineer
L3Harris Technologies
Cincinnati, OH
…fuzing and ordnance systems. Our staff has led or supported the development, design, qualification, and manufacture of numerous Electronic and Electro-Mechanical fuzing devices for numerous…
Added 15 days ago
Engineer II, Mechanical Design Engineering – F135 HPC (Onsite)
RTX
United States
Qualifications You Must Have
Added 15 days ago
WI
Senior Software Engineer
Walmart Inc.
Sunnyvale, CA
- $117,000 to $234,000 USD / year
…high-scalability needs. Assist in the selection of appropriate languages, development standards and tools for software coding/configuration. Take initiative to learn the fundamentals of…
Added 15 days ago
Product Development Engineer
Whirlpool
St Joseph
Whirlpool is looking for a Product Development Engineer for our Laundry Chassis and Drive module deliverables, including development, execution, verification and validation, working with…
Added 15 days ago
U
Java Engineer
Unissant
Washington, DC
- $99,000 to $164,000 USD / year
Unissant is seeking a Java Engineer to join our team and support our client.
Added 15 days ago
Construction Project Engineer
Gotion, Inc.
Manteno, IL
…accelerate electrified transportation and achieve sustainable development. Gotion is powered by a leading power battery technology company that provides solutions for vehicles including the…
Added 15 days ago
MC
Graduate Engineering Intern - Electronics
Mayo Clinic
Rochester, MN
- $33.94 USD / hour
The primary purpose of the Graduate Engineer Internship is to provide a graduate student with relevant engineering experiences. One or more mentors will be assigned to the intern to provide…
Added 15 days ago
Data Engineer I , WW Ops Finance S&A
Amazon
Bellevue, WA
…why we're one of the world's most beloved brands. As a Data Engineer, you'll use the latest technology to solve complex problems and see the impact of your work…
Added 15 days ago
ASIC Verification Engineer, Networking
Meta
Sunnyvale, CA
Meta is hiring an ASIC Design Verification, Networking Engineer within the Infrastructure organization. We are looking for individuals with experience in Design Verification to build IP and…
Added 15 days ago
WI
Staff Software Engineer
Walmart Inc.
Bellevue, WA
- $206,086 to $264,000 USD / year
…Assist in the selection of appropriate languages and software development standards and tools for software coding and configuration. Take initiative to learn the fundamentals of different…
Added 15 days ago
WI
Senior Software Engineer
Walmart Inc.
Sunnyvale, CA
- $117,000 to $234,000 USD / year
…high-scalability needs. Assist in the selection of appropriate languages, development standards and tools for software coding/configuration. Take initiative to learn the fundamentals of…
Added 15 days ago
WI
Software Engineer III
Walmart Inc.
Sunnyvale, CA
- $117,000 to $234,000 USD / year
Duties: Demonstrates up-to-date expertise and applies this to the development, execution, and improvement of action plans by providing expert advice and guidance to others in the…

Unissant

Java Engineer

Washington, DC, United States

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

Apply on unissant.applicantpro.com About employer

Applications open in a new tab.

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)

Apply on unissant.applicantpro.com About employer

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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Work requirements

Jobs in the United States