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Added 7 mins ago
Java Developer
LED FastStart
Lafayette, LA
CGI is seeking an enthusiastic, creative, full stack developer for a high performing Agile team designing and building a modern, services based web application for a large government…
Added 7 mins ago
Junior Java Developer
LED FastStart
Lafayette, LA
CGI is seeking an enthusiastic, creative, full stack developer for a high performing Agile team designing and building a modern, services based web application for a large government…
Added 8 mins ago
QA Engineering Lead (Automation Testing)
St. George Tanaq Corporation
Jefferson City, MO
Added 8 mins ago
Full Stack Cloud Developer
St. George Tanaq Corporation
Jefferson City, MO
We are seeking a Full Stack Cloud Developer to support the Department of Housing and Urban Development's Office of the Chief Information Officer (HUD OCIO).
Added 8 mins ago
Sr Accessibility Product Manager, Clinical Solutions (Remote)
RELX INC
Maryland Heights, MO
Added 10 mins ago
Senior Software Engineer
Fidelity Technology Group, LLC
Merrimack, NH
Added 11 mins ago
E
Frontend / UI Engineer REMOTE
ELITEBRAIN
Remote, United States
- $80 to $100 USD / hour
Added 12 mins ago
UI/UX Developer
FiberFirst
Southlake, TX
As the UI/UX Developer, you will own the design and front-end build of FiberFirst’s customer-facing digital products: the website, the customer mobile application, and the self-service…
Added 13 mins ago
Knowledge Engineer / Semantic Expert for AI
Accenture LLP Company
NY
Added 14 mins ago
Sr. Application Architect
Daimler Truck Financial Services USA LLC
Charlotte, NC
Added 14 mins ago
M
Senior Digital Designer
Medallia
McLean, VA
- $90,000 to $130,000 USD / year
Advanced proficiency in Figma for weblayouts, interactive prototyping, and developer handoff.
Added 16 mins ago
P
Senior ServiceNow Administrator - Active Secret clearance
PGTEK
Ogden, UT · Oklahoma City, OK · Mechanicsburg, PA · Montgomery, AL · Fort Meade, MD
- $110,000 to $150,000 USD / year
Added 19 mins ago
Sr Designer, Visual Design - Global UXUI Experience Design
Universal Parks & Resorts
Universal City, CA
Added 19 mins ago
Senior Software Engineer- User Behavior
Roblox
San Mateo, CA
Added 20 mins ago
ServiceNow Developer (AI & Intelligent Automation Focus)
Chenega Corporation
Saint Louis, MO
Chenega Agile Real-Time Solutions (CARS) is seeking a highly skilled ServiceNow Developer (AI & Intelligent Automation Focus) to serve as a senior technical leader responsible for…
Added 24 mins ago
FL
Principal Software Eng./Developer*
FMR LLC dba Fidelity Investments
Boston, MA
- $134,868 to $166,000 USD / year
Principal Software Engineer/Developer - 2137723
Added 30 mins ago
KC
.NET Web Developer IV
Keystone Consulting, Inc
Madison, WI
- $79 USD / hour
This .NET Web Developer IV role will be responsible for day-to-day maintenance of
Added 32 mins ago
AI & Distributed Systems Fullstack Engineer - Senior - Consulting - Location OPEN
EY
Saint Louis, MO
As a Senior Application Designer and Developer, you will play a pivotal role in delivering innovative solutions. Your time will be spent on various responsibilities, including:
Added 32 mins ago
AI & Distributed Systems Fullstack Engineer - Senior - Consulting - Location OPEN
EY
Kansas City, MO
As a Senior Application Designer and Developer, you will play a pivotal role in delivering innovative solutions. Your time will be spent on various responsibilities, including:
Added 32 mins ago
AI & Distributed Systems Fullstack Engineer - Senior - Consulting - Location OPEN
EY
Jefferson City, MO
As a Senior Application Designer and Developer, you will play a pivotal role in delivering innovative solutions. Your time will be spent on various responsibilities, including:
Added 33 mins ago
G
Power Platform & Automation Solutions Consultant
Guidehouse
Saint Louis, MO
- $92,000 to $153,000 USD / year
We are seeking a Power Platform Developer and an Innovation Specialist to support a front-office modernization effort for a federal DOW client. This role is responsible for designing and…
Added 35 mins ago
Software Test and Automation Engineer
Edwards Lifesciences LLC
CA
Added 37 mins ago
C
Product Engineer, Foundations Team
Coast
NY
- $160,000 to $215,000 USD / year
Added 38 mins ago
SO
Lead Software Engineer
System One
Reston, VA
- $88 USD / hour
Added 39 mins ago
O
UX / UI Design
OXMAN
New York City, NY
- $122,000 to $153,000 USD / year

System One

Lead Software Engineer

Reston, VA, United States

$88 USD / hour

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Job details

Pay: $88 USD / hour
Apply by: Jan 20, 2027
Posting language: English
Posted: Oct 22, 2026

Original job description

Job Title: Lead Software Engineer Location: Reston, VA Type: Contract Compensation: $88/hr Work Model: Hybrid Security Clearance: No Clearance

Responsibilities

Lead the design, development, and implementation of application enhancements supporting cloud migration initiatives.
Perform detailed technical design, coding, code reviews, testing, and deployment of new and existing applications.
Serve as a subject matter expert for assigned applications and support the modernization of Java-based solutions running within AWS and Kubernetes environments.
Ensure compliance with enterprise architecture, cloud standards, and DevSecOps practices.
Deliver scalable solutions supporting large enterprise user populations.
Identify gaps in technical requirements and solve complex application integration challenges.
Support migration of application connectivity from on-premises and mainframe-based data sources to cloud-supported technologies including MongoDB and PostgreSQL.
Evaluate technical risks and recommend mitigation strategies.
Develop solutions that improve application performance, scalability, reliability, and cloud adoption.
Compile, assess, and report results from software testing and analysis activities.
Support the Project Manager and engineering leadership team on a cloud transformation program.
Collaborate closely with Platform Engineering and DevOps teams to ensure applications are cloud-ready and aligned with AWS standards.
Design and implement application configurations, integrations, authentication mechanisms, and service interactions required for successful cloud deployment.
Participate in Agile ceremonies and contribute to estimation, planning, and delivery of application features.
Lead software design and development activities for application modernization efforts.
Identify, analyze, define, and coordinate user, customer, and stakeholder needs and translate them into technical solutions.
Support architectural discussions related to cloud migration, application modernization, and backend services.
Ensure code quality, deployment standards, and engineering best practices.
Mentor junior developers and contribute to ongoing technology improvements and cloud adoption initiatives.

Requirements

Bachelor's Degree in Information Technology, Computer Science, or related field.
8+ years of overall IT experience, including software design, development, testing, and requirements management.
Strong Java development experience, with an emphasis on back-end engineering.
Experience working in Agile environments.
Experience integrating applications with databases, APIs, and enterprise systems.
Experience supporting cloud migration and application modernization efforts.
3+ years of AWS experience.
3+ years of Amazon EKS experience.
3+ years of Kubernetes experience, including Istio and Helm Charts.
3+ years of experience with OAuth2 and JWT.
Experience with MongoDB and/or PostgreSQL.
Experience integrating legacy on-premises systems with cloud-based solutions.
Strong experience with MongoDB and/or PostgreSQL.
Experience supporting cloud migration and application modernization initiatives.
Full Stack development experience with a primary focus on back-end development (approximately 80% back-end / 20% front-end).
Experience modernizing database connectivity and migrating integrations from on-premises environments to cloud-based solutions.
Experience working in Agile development environments.
Experience with cloud-native architectures and microservices.
Experience with Angular (Angular 18+ preferred), HTML, and modern UI technologies.
Familiarity with mainframe-connected applications.
Knowledge of CI/CD pipelines, SDLC, DevSecOps, and application deployment best practices.
This is not a DevOps Engineer position.
This is primarily a Software Engineering role focused on making enterprise applications cloud-ready and supporting cloud migration efforts.
The engineer will work alongside Platform Engineering and DevOps teams but will focus on application-level development, configurations, integrations, and modernization activities.

System One, and its subsidiaries including Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

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Ref: #851-Rockville-S1

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More about this job

Skills

Computer technology
Computer science
Oracle Java
Agile
AWS
Kubernetes
MongoDB
PostgreSQL
Full-stack development
Back-end development
Agile development
Microservices
HTML
CI/CD
DevOps

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