Jobs in the United States

25+ jobs

Save this search

Added 1 min ago
Sr. Director, Head of Multi-Asset Engineering
S&P OPCO LLC
NY · Princeton, NJ
…including microservices design, event-driven architecture, API gateway frameworks, and CI/CD pipeline automation at production…
Added 2 mins ago
Senior Software Engineer
Chenega Corporation
Springfield, VA
Added 2 mins ago
Full Stack Developer
General Dynamics Information Technology
Fairfax, VA
Seize your opportunity to make a personal impact as a Full Stack Developer , supporting the United States Postal Service. GDIT is your place to make meaningful contributions to challenging…
Added 2 mins ago
AS
Enterprise Applications Administrator
Apogee Services Inc.
Remote, United States
- $87,000 to $97,000 USD / year
Added 2 mins ago
Senior, Full Stack Engineer - Tax Transformation
Deloitte
McLean, VA · Rosslyn, VA
Proven hands-on experience on .NET Core, ASP.NET Core Web API, SQL, NoSQL, Entity Framework 6 or above, Azure, Database performance tuning, Applying Design Patterns, Agile.
Added 2 mins ago
Staff Software Engineer - Card Technology
Capital One
McLean, VA
Collaborate with senior engineering and architecture leaders to define long-term platform strategy and API standards
Added 3 mins ago
Forward Deployed Engineer, AWS Forward Deployed Engineering, US Government
Amazon
Arlington, VA
…agentic workflows - retrieval pipelines, workflow automation, API orchestration layers, data integration. Solve difficult problems with visible risks or roadblocks, bringing clarity and…
Added 3 mins ago
Lead Software Engineer - NBA
Humana
Richmond, VA
…topic strategy, schema evolution, delivery guarantees, and API…
Added 3 mins ago
C
Frontier Engineer (AI/Agentic)
Cognizant
Richmond, VA
- $100,000 USD / year
…strength in full-stack or backend application development, API design, databases, cloud platforms, and emerging AI…
Added 3 mins ago
Senior Consulting Manager, AI-Led Mainframe Modernization
Cognizant
Richmond, VA
…go-live, including code conversion, application decomposition, API enablement, data migration, cloud migration, cutover, and…
Added 3 mins ago
C
SDET / QA Automation Engineer – Playwright, Selenium, Java & Functional Testing
Cognizant
Richmond, VA
- $53,000 to $92,500 USD / year
Added 3 mins ago
Consulting Principal, AI-Led Mainframe Modernization
Cognizant
Richmond, VA
…assessment, including code conversion, application decomposition, API enablement, data migration, cloud migration, cutover, and…
Added 3 mins ago
Customer AI Solution Architect
Deloitte
McLean, VA · Richmond, VA
…using composable, headless, application programming interface (API)-led, and event-driven architectures; account for identity, consent, real-time data, security, and experience…
Added 3 mins ago
C
Senior Quality Engineering Automation Engineer
Cognizant
Richmond, VA
- $53,477 to $92,500 USD / year
Experience with API testing tools and automation frameworks.
Added 3 mins ago
C
Senior .NET / SQL Developer
Cognizant
Richmond, VA
- $64,025 to $94,500 USD / year
We are seeking a highly skilled Senior .NET / SQL Developer to join our team. In this role, you will be responsible for designing, developing, and supporting enterprise applications with a…
Added 3 mins ago
Data Governance Analyst
Intermountain Health
Richmond, VA
Experience with system and data integration via API
Added 3 mins ago
Lead Technical Product Manager | Healthcare | APIs, Integrations, & Embedded AI Solutions
Wolters Kluwer
Richmond, VA
Apply and improve standards for API governance, lifecycle management, versioning, reliability, and developer experience.
Added 5 mins ago
Software Engineer
WWEX Group
Dallas, TX
Added 6 mins ago
SQM Infrastructure Product Development AI Engineer
The Northern Trust Company
Chicago, IL
The engineer will work across the full product lifecycle, from architecture and prototyping through API development, deployment, evaluation, monitoring, and production support.
Added 7 mins ago
UG
Software Engineer
UnitedHealth Group
Eden Prairie, MN
- $72,800 to $130,000 USD / year
Added 8 mins ago
WL
Inspector, Distribution Utilities
WSB LLC
Denver, CO
- $22 to $28 USD / hour
Added 9 mins ago
Senior Software Engineer
Tyler Technologies
Yarmouth, ME
Solid understanding of RESTful API design and integration.
Added 11 mins ago
Principal Quality Engineer
FreedomPay
Remote, United States
Design, architect, and build scalable automated test frameworks and suites (unit, integration, API, UI, end-to-end, and regression) for FreedomPay products.
Added 11 mins ago
B
Technical Product Marketing Manager
Baseten
San Francisco, CA · New York, NY
- $180,000 to $220,000 USD / year
- Track the competitive landscape across inference providers, model API companies, hyperscalers, and internal DIY platforms, including pricing, packaging, launches, and messaging.
Added 13 mins ago
Director of Measurement
USHL Archaea Energy Services LLC
Remote, United States
Expert knowledge of AGA Reports No. 3, 7, 8, 9, and 11, API MPMS Chapter 21, and GPA 2172 and 2261

Unissant

Java Engineer

Washington, DC, United States

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

Apply 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 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

Report this job