Senior Software Engineer Jobs in Washington

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1,861 - 1,880 of 2,596 Jobs

Senior Python/PySpark Developer

V.L.S. Systems, Inc

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McLean, Virginia, USA

Contract

Role: Senior Python/PySpark Developer Location: Mclean, VA-Onsite Duration: Long Term Must Have Skills are PySpark/Python-based Microservices, AWS EKS, PostgreSQL Database, Automation Testing: Behave / Cucumber, PyTest. Strong hands-on experience required in all of the above. Preferred: Knowledge of Snowflake, Jenkins, SonarQube, and Fortify. Qualification: Development of microservices based on Python, Pyspark, AWS EKS, AWS Postgres for a data-oriented modernization project. New System: Pytho
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Posted 4 days ago

Senior Sustainability & Resilience Engineer/Specialist

Parsons Services Company

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Remote

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 Sustainability & Resilience Engi
Posted 60+ days ago | Updated 2 hours ago

Sr. Java Backend Developer

Ahimay Technology Solutions

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McLean, Virginia, USA

Contract

Role Overview: Migrating 5 key applications from an on-premise OCP cluster to AWS EKS as part of our cloud modernization initiative. The selected developer will play a critical role in: Modifying Java code and Docker images to align with JDK 17 Deploying to non-prod and prod environments Coordinating closely with DevOps to troubleshoot and resolve deployment issues Performing system integration testing Managing release processes and ensuring smooth go-live by Dec 2025 Collaborating with multiple
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Posted 5 days ago | Updated 5 days ago

Technical Lead (Developer/Java Fullstack)

LevelUp Squared

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Ashburn, Virginia, USA

Full-time

We are looking for an experienced and hands-on Technical Lead with strong coding skills in Java, and exposure to Python. The ideal candidate will have a robust background in system design, and proficiency in AWS and Microservices. This role involves leading proof-of-concept (POC) initiatives, guiding agile development processes, acting as a tech lead, and addressing production issues. RESPONSIBILITIES: Spearhead the design and development of innovative and high-impact initiatives, ensuring align
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Posted 60+ days ago | Updated 9 days ago

Lead Frontend / Angular Developer

Virtuous Tech Inc

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McLean, Virginia, USA

Contract

Lead Frontend / Angular Developer Location: McLean, VA Duration: 12-14 months Job Description: Angular 14 or later, Ngrx, RxJS JavaScript, NodeJS, GitHub, understanding of end to end test and unit test Role Info: Hands on Sr. Frontend / Angular Developer role with strong Angular, Typescript, Ngrx, RxJS, Javascript, NodeJS, HTML, & CSS background Front end development Managing existing components and building new components using Angular 14 NodeJS 2 Weeks sprint cycle Unit testing using Cyp
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Posted 6 days ago

Senior .Net Developer With React

Tekfortune Inc.

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Remote

Contract

Full stack .Net/React Remote Contract through end of year; high likelihood of extension Looking for Only W2 no C2C Project: Senior Developers: 50/50 Full Stack DevelopersFrontend - ReactJSTypical webformWeb APIsBackend - .Net Core, C#REST APIsAPI architecture - Web API to support the UI; REST on BEDB: use various - SQL Server, mySQL, SnowflakeServices are posted on AWSAll containerized with KubernetesDevs will handle all testing themselvesUnit TestingAutomated testing using Selenium for C#Story
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Posted 60+ days ago | Updated 4 days ago

Applications Development Senior Programmer

Citi

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Remote or Irving, Texas, USA

Full-time

The Applications Development Senior Programmer Analyst is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applications systems analysis and programming activities. Responsibilities: Conduct tasks related to feasibility studies, time and cost estimates, IT planning, risk technology, applications de
Posted 30 days ago | Updated 2 hours ago

Cloud Developer Senior

Jacobs

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Washington, District of Columbia, USA

Full-time

We are searching for a Top Secret cleared Cloud Developer (Senior) to join our team in Washington, DC. You will be working in an organization that's mission is to accelerate operations through data and new analytical insights. In this role you will support ongoing maintenance of multiple Virtual Private Clouds across enclaves, including managing backups, patching, upgrades, developer workstations, monitoring, and overall security posture. The entire section leverages agile and works to provide
Posted 60+ days ago | Updated 2 hours ago

Network Architect (FortiGate)

Indus Valley

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Remote

Contract

Title: Network Architect (FortiGate)Location: REMOTE (work/support EST business hrs)Duration: 12+ Months Contract, likely to extendInterviews: MS Teams Interview Process: Round 1: 30-minute video interview with tech contact we haveRound 2: 30-minute technical discussion with manager or a peerOptional Round 3: Final 30-minute stakeholder review Job Description: Overview: We are seeking a FortiGate Network Architect to replace a key team member and support our transition from Meraki to FortiGate i
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Posted 17 days ago | Updated 10 days ago

Angular Developer /Lead Front End

NimbusAITech LLC

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McLean, Virginia, USA

Contract

Lead Frontend / Angular Developer Location: McLean, VA Duration: 12-14 months Ex-Capital One Preferred Job Description: Angular 14 or later, Ngrx, RxJS JavaScript, NodeJS, GitHub, understanding of end to end test and unit test Role Info: Hands on Sr. Frontend / Angular Developer role with strong Angular, Typescript, Ngrx, RxJS, Javascript, NodeJS, HTML, & CSS background Front end development Managing existing components and building new components using Angular 14 NodeJS 2 Weeks sprint cycle U
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Posted 9 days ago | Updated 9 days ago

Lead Frontend / Angular Developer

MethodHub

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McLean, Virginia, USA

Contract

Lead Frontend / Angular Developer Location: McLean, VA Duration: 12-14 months Job Description: Angular 14 or later, Ngrx, RxJS JavaScript, NodeJS, GitHub, understanding of end to end test and unit test Role Info: Hands on Sr. Frontend / Angular Developer role with strong Angular, Typescript, Ngrx, RxJS, Javascript, NodeJS, HTML, & CSS background Front end development Managing existing components and building new components using Angular 14 NodeJS 2 Weeks sprint cycle Unit testing using Cy
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Posted 9 days ago | Updated 2 days ago

SAP ABAP Developer - Senior

Accenture LLP

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Washington, District of Columbia, 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 60+ days ago | Updated 2 hours ago

Sr.NetSuite Engineer

Gov Services Hub

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Remote or Boca Raton, Florida, USA

Contract

This is a remote position. Role: Sr NetSuite Engineer Location: Remote, but preference to candidates who can be at the client site in Boca Raton, FL Client: Modernizing Medicine, Inc Duration: through 12/31/25 with potential extension CGI?s South business unit has a need for a Senior NetSuite Engineer in our Miami sector. This requisition J0725-1812 will be broadcast to you shortly if you have not received it already. Important notes and full job description are below. The client needs a quic
Posted 16 days ago | Updated 3 days ago

Software Engineering Intern - Backend Systems

Ascension Health

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Remote

Part-time

Details Department: Studio Engagement Product DeliverySchedule: Part Time, Monday - FridayLocation: RemoteBenefits Paid time off (PTO) Various health insurance options & wellness plan Retirement benefits including employer match plan Long-term & short-term disability Employee assistance programs (EAP) Parental leave & adoption assistance Tuition reimbursement Ways to give back to your community Benefit options and eligibility vary by position. Compensation varies based on factors inclu
Posted 14 days ago | Updated 2 hours ago

Servicenow Engineer

Gridiron IT Solutions

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Washington, District of Columbia, USA

Full-time

ServiceNow Engineer Location: Remote Work Type: Full Time Job Description: GridIron IT is seeking a ServiceNow Engineer with the ability to obtain a Public Trust Clearance. We are currently seeking a highly motivated and experienced ServiceNow Engineer with specialized expertise in either HR Service Delivery (HRSD) or IT Asset Management/Hardware Asset Management (ITAM/HAM). This role requires someone who can not only configure and engineer solutions, but also lead the coordination, implementa
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Posted 12 days ago

Senior Math Libraries Engineer - Sparse Linear Algebra

NVIDIA Corporation

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Remote or Santa Clara, California, USA

Full-time

We are looking for a software engineer for our Sparse Linear Algebra team which develops key technologies and libraries such as cuDSS, cuSPARSE and cuSPARSELt, for scientific computing and deep learning software stacks targeting a range of processors from edge computing to supercomputers. These high-performance libraries provide accelerated linear algebra functions, such as: matrix products, direct and iterative solvers; and are consumed by industrial and research organizations with applications
Posted 60+ days ago | Updated 2 hours ago

Geostructural Engineer

GEI Consultants, Inc.

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Washington, District of Columbia, USA

Full-time

Description Your role at GEI. GEI's Exton, DC and Rockville area offices continue to grow and are seeking a Geotechnical / Geostructural Engineer who has experience with geotechnical engineering design - specifically, an excellent foundation in soil mechanics, geotechnical engineering, and/or structural engineering concepts, and experience or interest in excavation support design and earth retaining systems. The selected candidate needs to be able to collect geotechnical and instrumentation data
Posted 60+ days ago | Updated 2 hours ago

Senior Java Backend Developer, AVP

Citi

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Remote or Irving, Texas, USA

Full-time

The Applications Development Senior Programmer Analyst is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applications systems analysis and programming activities. Responsibilities: Conduct tasks related to feasibility studies, time and cost estimates, IT planning, risk technology, applications de
Posted 26 days ago | Updated 2 hours ago

Technical Advisor Infrastructure & Architecture

Artius Solutions

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Remote

Contract

Technical Advisor Infrastructure & ArchitectureRemote | Fractional | ~20 hours/month A lean, high-performing product team is preparing to scale from simulation to live execution in a space where reliability and compliance are non-negotiable. They're now seeking a Technical Advisor to guide architectural decisions, audit infrastructure, and shape the technical roadmap without stepping into a full-time leadership role. This is an ideal opportunity for a senior engineer or architect with fintech ex
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Posted 31 days ago

Data Scientist --100% Remote

Newt Global

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Remote

Contract

Product & Functional Skills Looking for Sr. Data Scientist with deep expertise in machine learning, AI and a track record of developing production ML/AI solutions that are business impactful. As part of our team, you will be working side-by-side with high-impact engineers and strategic customers to solve complex problems. You will communicate trends and innovative solutions to stakeholders. You will work cross-functionally with several teams including engineering crews, product teams, and progra
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Posted 24 days ago | Updated 12 days ago