Senior Python Developer jobs in Reston

System Software Programmer - Project Lead Hybrid: Columbia, SC About the Job Duration: Long term Contract Position Location: Hybrid: Columbia, SC Pay rate: Hourly Job ID: 10685 Overview: Client is seeking a highly motivated individual who has the skills and experience of designing and developing ent

Description Please note that the availability of this position is contingent upon contract award. Description: Computer hardware and software engineers’ research, design, develop, and test computer hardware and software programs. Hardware refers to computer chips, circuit boards, computer systems, a

Cytel

Sponsor-dedicated: Working fully embedded within one of our pharmaceutical clients, with the support of Cytel right behind you, you'll be at the heart of our client's innovation. As a Principal Statistical Programmer you will be dedicated to one of our global pharmaceutical clients; a company that i

Salary $91,252.51 - $152,087.10 Annually Location FAIRFAX (EJ32), VA Job Type FT Salary W BN Job Number 26-00553 Department Information Technology Opening Date 04/11/2026 Closing Date 4/24/2026 11:59 PM Eastern Pay Grade S30 Posting Type Open to General Public Job Announcement Join a high-performing

Description The Computer Programmer 2 develops and maintains advanced applications that support complex data processing and operational workflows. This role designs and implements system enhancements that improve efficiency, accuracy, and scalability of data operations. Responsibilities include tran

Description The Computer Programmer 2 develops and maintains advanced applications that support complex data processing and operational workflows. This role designs and implements system enhancements that improve efficiency, accuracy, and scalability of data operations. Responsibilities include tran

JSET Automated Technologies

Controls Programmer – FieldFocused Industrial Automation Location: Sterling, VA Travel: Regional travel for commissioning and field support Position Summary The Controls Programmer develops, implements, and troubleshoots control programs for industrial and building automation systems. This is a hand

Titl e Application Programmer – 1 Position. Client State of LA Location Onsite - Baton Rouge, LA Resumes Due 17 th Nov Rate Up to $ 64/hr Duration 1+ year Description/Role The Office of Technology Services (OTS) was established as a means of recognizing cost savings through the consolidation of Stat

Maximus TCS (Technology and Consulting Services) Internal Job Profile Code: TCS199, T1, Band 4 Job-Specific Essential Duties and Responsibilities: Build and maintain simple UI components using JavaScript frameworks. Write and maintain server-side logic and handle HTTP requests. Perform simple CRUD o

Maximus TCS (Technology and Consulting Services) Internal Job Profile Code: TCS200, T2, Band 5 Job-Specific Essential Duties and Responsibilities: Due to contract requirements candidates must be U.S. Citizens. Applicants who are Green Card holders or who require sponsorship cannot be considered. Abi

About this Position: Job Title: Systems Software Programmer Daily Duties / Responsibilities: Develop and modify VB/ASP.NET and C# code that accesses a MS SQL 2019 database. Required Skills: 7+ years of experience independently designing and implementing medium to large-scale software systems and com

ANGARAI

Configure, develop, and maintain Salesforce Marketing Cloud solutions across Email Studio, Journey Builder, Automation Studio, Content Builder, and MobileConnect (SMS) Design and implement end-to-end customer engagement journeys, including triggered, scheduled, and event-driven communications across

DESCRIPTION Join the Amazon Web Services EC2 Instance Connectivity development team responsible for connectivity services to AWS EC2 instances. This team owns services that enhance customers' observability and troubleshooting by providing a suite of tools to connect to their EC2 instances that adher

Booz Allen Hamilton

Requirements Must have: - Over 2 years of experience in back-end website development utilizing frameworks like Django, Spring Boot, Laravel, or Next.js - At least 1 year of experience with cloud services like AWS, Azure, or Google Cloud - Familiarity with Jenkins or GitHub Actions - Basic skills in

About us Creative Information Technology Inc (CITI) is an esteemed IT enterprise renowned for its exceptional customer service and innovation. We serve both government and commercial sectors, offering a range of solutions such as Healthcare IT, Human Services, Identity Credentialing, Cloud Computing

ICF International

We are seeking a Junior Software Engineer (Web Developer/Programmer) to support the design, development, and maintenance of high‑quality websites and web applications. This role works closely with designers, developers, and content teams to deliver accessible, usable, and standards‑compliant web sol

Description The Computer Programmer 1 supports the development and maintenance of systems used to process and manage large datasets. This role focuses on implementing updates, assisting with application development, troubleshooting technical issues, and supporting system testing activities. The posi

Who's building D.C., and what does it mean for the people who live here? Who is pulling the strings behind the city's restaurants, apartment buildings, and the zoning fights reshaping its neighborhoods? City Cast D.C. is looking for a sharp, curious reporter to cover business, development and transp

Job Announcement Join a high-performing, centralized IT team supporting critical applications within the Health and Human Services (HHS) program area—comprised of six independent County agencies and a broad network of community partners dedicated to enhancing the well-being of Fairfax County residen

Description The Computer Programmer 2 develops and maintains advanced applications that support complex data processing and operational workflows. This role designs and implements system enhancements that improve efficiency, accuracy, and scalability of data operations. Responsibilities include tran