Sr. Software Developer II
Washington dc, DC
Category: Development
Industry: Government
Reference ID: JN -032026-105999
Date Posted: 05/15/2026
Shortcut: http://careers.eliassen.com/7V32UQ
Description:
Onsite in Washington dc, DC
The organization seeks a Sr. Software Developer II to deliver secure and reliable software for mission-critical federal systems. The role focuses on building and modernizing enterprise applications using C#, .NET, ASP.NET, and modern front-end frameworks while adhering to strict security and operational standards. The developer will troubleshoot production issues, contribute to CI/CD pipelines, and communicate decisions to stakeholders to maintain customer trust. This position requires an active Top Secret clearance with current or prior SCI access.
This is a full-time, permanent opportunity, offering a competitive salary and comprehensive benefits package. Qualified applicants must be willing and able to work on a w2 basis.
Salary: $170,000 - $220,000/ yr. w2
Responsibilities:
- Troubleshoot and resolve production issues in a timely and effective manner.
- Collaborate within a high-performing team to deliver technical solutions for mission-critical federal systems.
- Support O&M and design, develop, and modernize custom enterprise applications.
- Apply secure coding practices across all phases of development.
- Participate in code reviews and Agile ceremonies including planning, stand-ups, and retrospectives.
- Support and contribute to CI/CD pipelines and automated deployments.
- Communicate technical decisions and solutions to technical and non-technical stakeholders.
- Establish and maintain customer trust through technical expertise and professionalism.
- Use creativity and innovation to deliver solutions that meet customer and mission needs.
Experience Requirements:
- Active Top Secret clearance with current or previously held SCI access.
- 7+ years of professional software development experience building, testing, and maintaining enterprise applications in mission-critical environments.
- Expertise in C#, .NET, .NET Framework, Entity Framework, and ASP.NET including WebForms, MVC, and REST APIs.
- Front-end experience with TypeScript, JavaScript, HTML, CSS, Node.js, and Angular and/or React.
- Back-end experience with database development and administration including SQL Server and T-SQL.
- Experience with source code management tools such as Azure DevOps, GitLab, or GitHub, CI/CD pipelines, and containerization using Docker.
- Strong understanding of Windows Server, PowerShell scripting, IIS hosting, Kerberos, and OIDC authentication.
- Ability to contribute immediately with minimal ramp-up in a dynamic, mission-critical environment.
Education Requirements:
- Bachelor’s degree in Computer Science or Software Engineering preferred.
- Certification meeting DoD 8140 such as Security+.
- Azure Developer Associate certification or AWS Developer Associate certification, or recent and relevant software development certification.
Skills, experience, and other compensable factors will be considered when determining pay rate. The pay range provided in this posting reflects a W2 hourly rate; other employment options may be available that may result in pay outside of the provided range.
W2 employees of Eliassen Group who are regularly scheduled to work 30 or more hours per week are eligible for the following benefits: medical (choice of 3 plans), dental, vision, pre-tax accounts, other voluntary benefits including life and disability insurance, 401(k) with match, and sick time if required by law in the worked-in state/locality.
If anyone reaches out to you about an open position connected with Eliassen Group, please ensure that you are working directly with us by confirming the following:
· When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.
· Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group.
If you have any indication of fraudulent activity, please contact fraud@eliassen.com.
-
Quant Developer
Jersey City, NJ
Description: On-site in Jersey City, NJ Our client seeks a senior software engineer to lead design and development of next-generation electronic trading systems and data infrastructure. The role requires hands-on leadership building scalable, resilient...
Date Posted: 05/25/2026 Recommended
-
Java Developer
Salt Lake City, UT
Description: Onsite in Salt Lake City, UT Our client seeks a software engineer to build and enhance customer-focused APIs that power digital experiences in financial planning, investing, and retirement. You will design, develop, and deploy reusable Jav...
Date Posted: 05/10/2026 Recommended
-
Salesforce Architect / Senior Developer
Washington, DC
Description: Hybrid Primary place of performance is HYBRID. The role involves travel to the client site in Washington, DC. At a minimum, 1-2 days per week, onsite is required. On-site attendance may also be required during system rollout activities. in...
Date Posted: 05/31/2026 Recommended
-
Sr. SRE Developer
Lake Mary, FL
Description: Hybrid 4 in either Lake Mary, FL or Pittsburgh, PA Our client seeks a Senior SRE Developer to lead technical strategy for deployment automation and infrastructure reliability. The role emphasizes building software to automate operational t...
Date Posted: 05/11/2026 Recommended
-
UI Developer
Westlake, TX
Description: Hybrid 50% on site in the financial industry. Work arrangement details will be discussed during the interview process. Our client seeks a UI Developer to design and build front-end solutions with focus on performance, scalability, and reli...
Date Posted: 05/03/2026 Recommended
-
Senior Java Software Developer
Westlake, TX
Description: Hybrid Every other week onsite/5 days in Westlake, TX Our client seeks a Senior Java Software Developer to build secure, scalable back-end services using Java, Spring Boot, and Spring Security. The role emphasizes API design and integratio...
Date Posted: 05/11/2026 Recommended
-
Senior Developer
Anywhere
Description:Remote Our client seeks a Senior Developer to design, build, and maintain backend services in Rust and .NET/C#. The role focuses on event-driven architecture with Kafka, resilient RESTful and background services, and data-intensive processi...
Date Posted: 05/10/2026 Recommended
-
Full-Stack Developer, SVP
New York, NY
Description: Hybrid 4 in New York, NY Our client is seeking a senior full-stack developer at the SVP level to design and build core equities engineering services that power real-time trading workflows. The role focuses on backend Java, Spring Boot, dis...
Date Posted: 05/14/2026 Recommended
-
Senior AWS Cloud Developer
Westlake, TX
Description: On-site in Westlake, TX Our client seeks a Senior AWS Cloud Developer to build scalable backend services for digital financial experiences. The team modernizes mainframe capabilities and delivers reusable Java applications that power custo...
Date Posted: 05/25/2026 Recommended
-
Principal AWS Cloud Developer
Westlake, TX
Description: Hybrid Every other week onsite/5 days in Westlake, TX Our client seeks a Principal Cloud Developer to build scalable backend services and modernize mainframe capabilities that support digital experiences in financial planning, investing, a...
Date Posted: 06/01/2026 Recommended
-
Senior Java Developer
Boston, MA
Description: Hybrid 4 days onsite in Boston, MA Our client seeks a Senior Java Developer to deliver end-to-end web applications across middle-tier and presentation-tier layers. The role will design, build, and maintain performant services and user inte...
Date Posted: 05/04/2026 Recommended
-
Sr. Full Stack Developer / AI Platform Engineer
Greenwood Village, CO
Description: Greenwood Village, CO | Onsite 4 days per week Our client seeks a Sr. Full Stack Developer / AI Platform Engineer to advance an AI-driven development ecosystem. The role will focus on building AI developer harnesses and workflows, integrat...
Date Posted: 05/17/2026 Recommended
-
Full Stack Developer / AI Platform Engineer
Greenwood Village, CO
Description: Onsite in Greenwood Village, CO Our client seeks a Full Stack Developer / AI Platform Engineer to advance an AI-driven development ecosystem. The role will build developer harnesses and workflows, integrate AI coding tools, and contribute ...
Date Posted: 05/17/2026 Recommended
-
ETL Developer and Analytics Engineer
Woburn, MA
Description: Hybrid Tuesday-Thursday onsite in either Woburn, MA or Cary, NC Our client seeks an OAS analytics/bi specialist who also has ODI experience to design and optimize data integration pipelines, data models, and business intelligence solutions...
Date Posted: 05/14/2026 Recommended
-
Microsoft Dynamics CRM Developer
Providence, RI
Description: Hybrid providence office is the most preferred option even if it's few days in office but remote is ok in the northeast footprint in Providence, RI Our client seeks a Microsoft Dynamics CRM Developer to design, build, and integrate solutio...
Date Posted: 05/05/2026 Recommended
-
Senior Full Stack Developer
Anywhere
Description: Remote Our client seeks a Senior Full Stack Developer to lead design and delivery of enterprise web applications across C#/.NET, Azure, SQL, and modern front end with Blazor. The role drives full lifecycle engineering, security, and perfor...
Date Posted: 05/04/2026 Recommended
-
Sr. Site Reliability Engineer III
Washington dc, DC
Description: Onsite in Washington, DC our client seeks a Sr. Site Reliability Engineer III to design, automate, and operate mission-critical systems for federal environments. The role focuses on Kubernetes or VMWare platforms, CI/CD enablement, observa...
Date Posted: 05/11/2026 Recommended
-
Security Engineer
Washington, DC
Description: Onsite in Washington, DC Our client seeks a Security Engineer to support a federal cybersecurity mission that protects critical transportation infrastructure. The role focuses on endpoint vulnerability management, risk assessment and mitig...
Date Posted: 05/07/2026 Recommended
-
Executive / VIP Desktop Support Technician
Washington, DC
Description: Onsite in Washington, DC Our client seeks an Executive / VIP Desktop Support Technician to deliver white glove support for senior leaders and their staff. The role will diagnose and resolve Windows, macOS, mobile, and conference technologi...
Date Posted: 05/13/2026 Recommended
-
Data Center Infrastructure Engineer
Washington dc, DC
Description: Onsite in Washington, DC or Joint Base Anacostia-Bolling (JBAB) Our client seeks a Data Center Infrastructure Engineer to design and sustain mission-critical environments for federal programs. The role will operate and improve secure, high...
Date Posted: 05/12/2026 Recommended
-
Sr. Network Engineer III
Washington dc, DC
Description: Onsite in Washington, DC The Sr. Network Engineer III will serve as a subject matter expert for unified communications across voice, video, and collaboration platforms in a fast-paced, mission-critical environment. The role will design, im...
Date Posted: 05/08/2026 Recommended
-
Senior Java Engineer
Jersey City, NJ
Description: On-site in Jersey City, NJ Our client seeks a highly experienced software engineer to lead the design and development of next-generation trading systems. This hands-on technical leadership role focuses on building scalable, resilient, and ...
Date Posted: 05/25/2026 Recommended
-
Senior Configuration Management Engineer
herndon, VA
Description: Onsite in herndon, VA Our client seeks a Senior Configuration Management Engineer to lead and mature CM practices for a globally distributed mission system spanning enterprise infrastructure, cloud services, and networks. The role will def...
Date Posted: 05/10/2026 Recommended
-
Tier II Helpdesk Specialist
Denver, CO
Description: On-site 5 days/week in Overland Park, KS Our client seeks a Tier II Helpdesk Specialist to provide onsite technical support for desktops, laptops, printers, peripherals, and core applications. The specialist will record, triage, and resolv...
Date Posted: 05/28/2026 Recommended
-
Power Engineer
Tampa, FL
Description: Hybrid 3 on in St Petersburg, FL Our client seeks a Power Engineer to design, evaluate, and support DC and AC power systems in telecommunications environments. The role emphasizes hands-on execution, field support, and development of detai...
Date Posted: 05/11/2026 Recommended
-
Senior Product Owner III
Cincinnati, OH
Description: Onsite in Cincinnati, OH Our client seeks a Senior Product Owner to lead the conversion and deployment of the Direct Express solution using modern domain and data product architecture. The role will define and prioritize requirements for d...
Date Posted: 05/27/2026 Recommended
-
Senior / Staff Software Engineer - UI Client Application
Anywhere
Description: Remote Our client seeks a Senior / Staff UI Software Engineer to lead design and development of an Angular and TypeScript client application for next-generation sequencing instruments. The role delivers touchscreen interfaces within an Ele...
Date Posted: 05/31/2026 Recommended
-
Senior Platform / DevOps Engineering Consultant (Java / Kubernetes)
Westlake, TX
Description: 50% hybrid / on site in Westlake TX We are seeking a Senior Platform / DevOps Engineer to join a Platform Engineering team within a large financial services enterprise. This team builds and operates large-scale, cloud-native, event-driven ...
Date Posted: 05/06/2026 Recommended
-
Software Engineer - Data/Opensearch
Charlotte, NC
Description: Hybrid in Charlotte, NC Our client seeks a senior software engineer to build and operate the software, data, and metadata foundations of a Data Marketplace platform. The role focuses on Python services, AWS infrastructure automation with T...
Date Posted: 05/03/2026 Recommended
-
Software Engineer in Test
Merrimack, NH
Description: Hybrid 2 weeks per month in either Merrimack, NH or RI Our client seeks a Software Engineer in Test to design and implement automated testing for complex applications. The role will build BDD-focused API and database tests, drive QA strate...
Date Posted: 05/23/2026 Recommended
Eliassen Group is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status. Eliassen Group’s Affirmative Action Plan (AAP) is available for inspection by any employee or applicant for employment upon request, during normal business hours of Monday through Friday, 8:30am to 5:30pm EST. Interested persons should contact Phaedra Wells at pwells@eliassen.com for assistance. It is unlawful in Massachusetts and Maryland to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
Applicants with disabilities that believe they require an accommodation or assistance with a position, please email our HR team at hradmin@eliassen.com. This email inbox is designed exclusively to assist job seekers whose disability prevents them from being able to apply online. Emails sent for other purposes will not receive a response.
Please be advised that a number of fraudulent job postings have been released under the Eliassen Group brand.
Unfortunately, fraudulent job postings can happen. If anyone reaches out to you about an open position connected with Eliassen Group, never provide personal or financial information to anyone who is not clearly associated with Eliassen Group
If anyone seemingly from Eliassen Group has ever requested this personal information in the past or does so in the future, please contact fraud@eliassen.com.
Please ensure that you are working directly with us by confirming the following:
- When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.
- Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group, as indicated above