Senior Software Engineer Python React jobs in Reston

Capital One

Lead Software Engineer, DevOps / MLOps (Agentic Workflows, AI/ML Guardrails, Kubernetes, Python, AWS) Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive , and iterative delivery environment? At Capital

Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors, who love to solve real p

Allocore

$90,000 - $175,000 /year

Allocore powers the leading government loans, grants, and fraud prevention programs with a unified cloud-based platform built for efficiency and security. Our advanced solutions power the largest and most complex government loan and grant programs, streamlining workflows and integrating proven techn

Title : Software Engineer (Python / GenAI / Microservices) Location : Rockville, MD or McLean, VA Target Start Date : ASAP Type : contract Pay Rate: DOE We are seeking a highly skilled Software Engineer with deep expertise in Python, microservices architecture, and emerging GenAI technologies. This

Dice is the leading career destination for tech experts at every stage of their careers. Our client, Motion Recruitment Partners, LLC, is seeking the following. Apply via Dice today! A growing, remote-first SaaS company is seeking a mid-level software engineer to join its product engineering team. C

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

A growing, remote-first SaaS company is seeking a mid-level software engineer to join its product engineering team. Candidates should have a few years of professional experience and be comfortable working in a collaborative, team-based environment. While this role is remote friendly, you MUST be loc

Capital One

€179,400 - €225,100 /year

Requirements Must have: - Bachelors Degree - Minimum of 4 years of experience in software engineering (internships do not count) - At least 1 year of experience in cloud computing (AWS, Microsoft Azure, Google Cloud) - Preferred: Masters Degree - Experience utilizing AI-assisted coding tools (e.g.,

Senior Software Engineer, Back End/Full Stack (Docker/Containerization, Python on AWS, React, API Dev + CI/CD) Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At

Information Technology Senior Management Forum

$12,258 - $15,383 /year

Posted Date 4/03/2026 Description Senior Software Engineer, Back End/Full Stack (Docker/Containerization, Python on AWS, React, API Dev + CI/CD) Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and

Capital One

Senior Software Engineer, Back End/Full Stack (Docker/Containerization, Python on AWS, React, API Dev CI/CD) Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At C

A company is looking for a Software Engineer, Flask APIs, Python, SQL and AWS. Key Responsibilities Write services that collect, transform, and present data to users Maintain and extend a Flask-based REST API and Python ETL in Airflow Support the BI team by optimizing SQL and managing migrations Req

Job Description Full-Stack Software Engineer (Python/React/Spring Focus) Columbia, MD | Full Time | TS/SCI with Polygraph Required *Position:** Full-Stack Software Engineer *Location:** Columbia, MD (on-site) *Category:** Software Engineering / Full Stack Development *Clearance Requirement:** Active

Capital One

Senior Software Engineer, Front End (Angular, React)Front End Software Engineers****What You’ll Do:***** Work with a team of developers with deep experience in distributed microservices and full stack systems* Perform software development on Front End Applications leveraging a test-driven developmen

Job Description Job Description Location: Reston, VA Clearance: TS/SCI Full Scope Polygraph (active) Remote/Hybrid/Onsite: 100% Onsite work (non-negotiable) Type: Full-Time/Direct-Hire Experience: 5 to 16+ years Skill Level Desired Years Exp Senior5-10Expert11-15Subject Matter Expert16+ In Bid/Vacan

Job Description Full-Stack Software Engineer (Python/React Focus) Columbia, MD | Full Time | TS/SCI with Polygraph Required *Position:** Full-Stack Software Engineer *Location:** Columbia, MD (on-site) *Category:** Software Engineering / Full Stack Development *Clearance Requirement:** Active TS/SCI

Capital One

Senior Software Engineer (Python, AWS)**Full Stack Software Engineers** who are passionate about marrying data with emerging technologies. As a Capital One Software Engineer, you’ll have the opportunity to be on the forefront of driving a major transformation within Capital One. ****What You’ll Do:*

Visionist, Inc.

Description Active Top Secret (TS/SCI) clearance with polygraph is required. Visionist has an exciting new, fully FUNDED opportunity for a Junior Software Engineer on our largest PRIME contract. Our team of Analysts and Engineers is motivated by the direct impact on the mission, crafting specialized

Guidehouse

A leading consulting firm is seeking a highly skilled Senior Software Developer to work in Rockville, MD. The position involves full stack software development using Python and React for web and mobile applications. You will collaborate with experts to translate complex workflows, design APIs, and d

Dexian

Job Title: Lead Software Engineer – Frontend (React) Location: Boca Raton, FL or Bethesda, MD Duration: Contract to Hire Pay Range: $60 to $70/hr Job Description: A leading retail technology organization is seeking a Lead Software Engineer to join its Digital Technology team. This role will focus on