Senior Software Developer Jobs in Washington

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Senior Salesforce Developer (CPQ)

High Trail Inc

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Arlington, Virginia, USA

Full-time

Responsibilities Provides hands on configuration leadership and best practice guidance for SFDC solutions.Provides creative architecture and coding solutions to help the business.Participates in the full application life cycle from design to development, testing, deployment and support of Salesforce, Force.com, and CPQ applications.Designs and develops reusable code using the Salesforce.com and Force.com developer toolkit.Develops web services API integrations with other systems including Salesf
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Posted 28 days ago

Senior Python SDR Software Engineer

Leidos

•

Fort Meade, Maryland, USA

Full-time

Description Leidos has a new and exciting opportunity for a Senior Python SDR Software Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company ma
Posted 12 days ago | Updated 4 hours ago

Senior Software Apps Engineer, iOS-Remote

Generis TEK Inc.

•

Remote

Contract

We have Contract role Senior Software Apps Engineer, iOS-Remote for our client at New York NY. Please let me know if you or any of your friends would be interested in this position. Position Details: Senior Software Apps Engineer, iOS-Remote-New York NY Location : REMOTE (EST & PST) Project Duration : 12+ Months Contract Pay Rate : $ 95.00 100.00/hr. on W2 Overview of the team: The team is responsible for the infrastructure of the Yahoo Mail iOS mobile application. We establish best practices f
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Posted 12 days ago | Updated 7 hours ago

Senior Software Integration Engineer (Onsite)

RTX Corporation

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Sterling, Virginia, USA

Full-time

Date Posted: 2025-06-16 Country: United States of America Location: VA541: 22110 Pacific Blvd, Dulles 22110 Pacific Boulevard Building CC3, Sterling, VA, 20166-6913 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: DoD Clearance: TS/SCI Raytheon Company, Managed By Collins Aerospace. Collins Aerospace, an RTX company, is a leader in
Posted 18 days ago | Updated 6 hours ago

Senior Full Stack Big Data Software Engineer

Booz Allen Hamilton

•

Fort Meade, Maryland, USA

Full-time

Job Number: R0220917 Full Stack Big Data Software Engineer, Senior The Opportunity: As a full stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you're looking for the chance to not just develop sof tware, but to create a system that will make a difference, we need you on our team. We're looking for an experienced developer like you with the skills needed to develop sof tware and systems from vision to production-ready. This role is mo
Posted 29 days ago | Updated 7 hours ago

Senior Full Stack Software Engineer

Booz Allen Hamilton

•

Fort Meade, Maryland, USA

Full-time

Job Number: R0221712 Full Stack Software Engineer, Senior The Opportunity: Are you looking for an opportunity to combine your te chn ical skills with big picture thi nk ing to serve as the lead to modernize a client critical mission system? You'll have the chance to contribute to transitioning mission data flows from legacy systems to a modernized data flow architecture, defining te chn ical and process improvements to achieve improved mission performance and compliance and defining improved dec
Posted 9 days ago | Updated 7 hours ago

Senior Network Security Engineer

Tandym Tech

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Vienna, Virginia, USA

Third Party, Contract

Tandym is seeking a highly motivated Senior Network Security Engineer to provide support remotely for a top Financial Services client. This is a long-term contract, 100% REMOTE. Responsibilities: Manage and maintain Palo Alto firewall infrastructure, including patching, upgrades, and configuration. Convert traditional Layer 4 firewall rules to Layer 7 using App-ID and User-ID. Create and manage custom App-ID definitions as needed for unique applications. Ensure performance, availability, and c
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Posted 19 hours ago | Updated 3 hours ago

Senior Java Developer

Judge Group, Inc.

•

Manassas, Virginia, USA

Contract

Location: Manassas, VA Description: Job Summary: We are seeking a Senior Java Developer to join a dynamic project with our direct client in the financial services sector. This role is integral to supporting Customer VPN Provisioning across a Multi-Vendor Secure IP Network. Job Title: Senior Java Developer Location: Manassas, VA 20110 (Hybrid) Interview: Final Round Face-to-Face Required Skills & Qualifications: Strong experience in Java programmingProficiency in RedHat Linux and Shell Scripti
Posted 19 days ago | Updated 3 hours ago

Senior Principal Engineer, Software Engineering

RTX Corporation

•

Annapolis, Maryland, USA

Full-time

Date Posted: 2025-06-23 Country: United States of America Location: HMD31: Annapolis, MD 2551 Riva Road , Annapolis, MD, 21401-7435 USA Position Role Type: Unspecified U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: ARINC Incorporated d/b/a Collins Aerospace has an opening for a Senior Principal Engineer, Software Engineering in Annapolis, MD. This is a hybrid role, individual must work in the Annapolis, Maryland office 3 times per week and can work remote two
Posted 13 days ago | Updated 6 hours ago

Senior Full Stack Cloud Software Engineer

Booz Allen Hamilton

•

Fort Meade, Maryland, USA

Full-time

Job Number: R0220915 Full Stack Cloud Software Engineer, Senior The Opportunity: As a full stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you're looking for the chance to not just develop sof tware, but to create a system that will make a difference, we need you on our team. We're looking for an experienced developer like you with the skills needed to develop sof tware and systems from vision to production-ready. This role is more
Posted 29 days ago | Updated 7 hours ago

Senior Application Developer

Motion Recruitment Partners, LLC

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Arlington, Virginia, USA

Full-time

A full-time Senior .NET Application Developer is needed to help build a healthcare safety app used by hospitals during critical events. This is a fully remote position. You'll be working with C#, .NET Core, Angular 12, Typescript, SQL, and REST APIs on a system currently in Google Cloud, soon migrating to Azure. If you're the kind of engineer who wants your work to mean something, this is the role for you. You'll be building software that hospitals rely on when every second counts-responding to
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Posted 60+ days ago | Updated 3 hours ago

W2 Role || Sr C++ System Developer/Programmer

V.L.S. Systems, Inc

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McLean, Virginia, USA

Contract

Role: Sr C++ System Developer/ProgrammerLocation: McLean, VA-Hybrid (Once the candidate is selected, they will give a schedule on what days of work in office and home)Duration: 12+ Months About the Role:We are seeking a highly skilled and experienced C++ Developer to join our engineering team. In this role, you will be responsible for designing, developing, and optimizing high-performance software solutions using C++. You will work closely with cross-functional teams to architect and implement r
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Posted 15 days ago | Updated 15 days ago

Senior Software Engineer

Parsons Services Company

•

Centreville, Virginia, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Parsons is looking for an amazingly talented Senior Software Engineer to join our te
Posted 60+ days ago | Updated 6 hours ago

Sr Python Developer

Accenture LLP

•

Chantilly, Virginia, USA

Full-time

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company and part of global Accenture, to do work that matters in a collaborative
Posted 54 days ago | Updated 6 hours ago

Sr Python Developer with AWS Sagemaker

SES

•

Reston, Virginia, USA

Contract

Top 5 Technical Skills: AWS Services Glue EMR Dynamo Redshift RDS EC2 S3 Python R Strong SQL Skills Data Engineering or Data Science Background - NTH Top 3 Soft Skills: Excellent Communications Senior Level Attitude Ownership of Work Company / Project Description / Business Driver Enter Overview of client, project description and the business drivers Job Description: (VERY) Senior and Not Actually a Developer or Tester The Client has moved to AWS Cloud and now, their end users, the Data Analyst
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Posted moments ago

Position Title: Senior Full Stack Java Developer

Transcend IT Solutions

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Washington, District of Columbia, USA

Contract

Position Title: Senior Full Stack Java Developer Location: Washington, DC Visa: H1B, (H1b transfer are most welcome) Duration: Long Term W2 Contract Job Details: Amrak is a leading organization in the DC area, is seeking a highly skilled Senior Full Stack Java Developer with strong experience in AWS cloud services and Kafka to join their dynamic development team. This role requires a hands-on developer who can contribute across the entire stack from building scalable back-end services to creati
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Posted 22 hours ago

W2 Role || Sr Java Developer****In person Interview

V.L.S. Systems, Inc

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McLean, Virginia, USA

Contract

Role: Sr Java DeveloperLocation: Mclean, VA-OnsiteDuration: 12+ Months Candidate should be willing to work 5 days a week onsite in McLean, VA, must be on VLS W2 Basic Requirements:- Bachelor s degree in computer science or information technology or related discipline orequivalent combination of education and experience from which knowledge and skills may beobtained.- Minimum of 8 years of experience in software development; 8 years of relevant experience andspecialized training or certificatio
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Posted 7 days ago

: Senior Staff Software Engineer

Vaco by Highspring

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Remote

Full-time

Job Title:Senior Staff Software Engineer Location:100% Remote Employment Type:Direct Hire Compensation:$140,000 - $175,000 Base + 10%-15% Bonus Benefits:401K Matching, Full Benefits & PTO ImportantNote: No third-party companies - direct applicants only. Sponsorship is not available now or in the future. Job Summary We seek aSenior Staff Software Engineerwith strong AWS cloud engineering expertise to lead and mentor a high-performing software development team. This role is an even split between t
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Posted 29 days ago

Senior Cyber Capability Developer (Reverse Engineer)

Leidos

•

Lorton, Virginia, USA

Full-time

Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. The Leidos National Security Sector combines technology-enabled services and mission software capabilities in the area
Posted 29 days ago | Updated 6 hours ago

C / C++ / Java Software Developer

Cymertek Corporation

•

Chantilly, Virginia, USA

Full-time

C / C++ / Java Software Developer LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented and versatile C / C++ / Java Software Developer to join our dynamic team. In this role, you will work on developing, testing, and optimizing high-performance software solutions across multiple platforms. The ideal candidate will be passionate about coding, problem-solving, and working in a collaborative enviro
Posted 60+ days ago | Updated 6 hours ago