Python Developer Senior
Software Technology Inc
Senior Fullstack DeveloperMclean, VA (Hybrid On-Site)Position Overview:Are you interested in using your software engineering skills to build numerical systems that enable running computationally intensive financial models at scale? Financial Engineering is seeking a Sr. Software Engineer to design, implement and maintain software applications that enable measuring and managing the risk of our loan and investment portfolio. The software enables all lines of business to run computationally intensive models on a highly scalable, cloud-based environment (>10K cores) which provide business critical data and analytics.
- ...DMI is seeking a Python Developer to design, build, and operate internal applications and automation supporting a large federal IT services program across Washington, DC and nationwide locations. The role requires ownership from requirements through production support...Senior
- ...Python DeveloperLocation: McLean, VA (Hybrid -Tues-Thru)Duration: 10+ MonthJob Description:Must Haves: 6+ years of hands-on Python development experience using PySpark, XML, Json. Database side they need to have experience with SQL using Hive. 6+ years of experience with...SeniorContract work
- ...Python DeveloperThis position may be offered to a candidate authorized to work in the US for his/her/their stated employer, without... ...reporting based on financial statements and models.The candidate will develop and support the middle layer of the application to build, test,...Senior
- ...active U.S. Government Security Clearance at the TS/SCI level with CI Polygraph.Vantor has an exciting opportunity for an API/Java/Python Developer within our Intel sector advancing the national security mission through cutting edge technology. You must have a passion for...SeniorPermanent employmentFull time
- ...Python DeveloperHybrid - Onsite in McLean Tuesday through Thursday.Must Haves: Full stack developer, emphasis on front end but back end database work is also present. Python w/ Pandas, React or Angular, SQL. Must have hands on experience in an Agile environment, specifically...Senior
- ...Senior Spark ProgrammerIn a senior developer role, you will design and build data flow and data integration processes to enhance loss prevention technologies... ...firm. Drawing from your vast hands-on experience in Python (PySpark), Spark, REST, Java, and Scala, you will...Senior
$80 - $90 per hour
...Work sponsorship is available for this position. Job Title: Python Developer Senior Locations: Onsite in Mclean, VA (5 days a week) Interview Type: In-Person Job Overview: Must Have Qualifications: 8+ years of hands-on professional Python software development...SeniorHourly payLocal areaVisa sponsorship- ...Python Developer, Senior TS/SCI with Poly REQUIREDCGI Federal has an exciting opportunity for a Python Developer within our Intel sector advancing the national security mission through cutting edge technology. You must have a passion for keeping pace with rapidly evolving...SeniorWork at office
$166.4k - $187.2k
...Requirements: At least 8 years of hands-on professional Python software development experience, including production-grade... ...Python SQL pandas pytest More: We are hiring a Senior Python Developer for an onsite role in McLean, Virginia, five days per week....SeniorHourly payFull timeVisa sponsorship- GDIT is seeking an experienced Full Stack Python Developer to join our software engineering team in McLean, VA. You will support enterprise system development, integrating Python applications and leveraging AWS-based services. Requirements include 10+ years of related...Senior
- ...Technology and Business consulting services. We are in search of a highly motivated candidate to join our talented Team.Job Title: Sr. Python Developer Job Location: Mclean, VAJob Description: The candidate will mainly be involved in design, development, and documentation...Senior
- ...would prevent the candidate from working on the proposed assignment for the duration of the assignment periodMust Haves: This is a Python developer position, strictly backend - development experience is a must have. Must have Python in AWS experience - boto3 library....SeniorRemote work
- ...Python DeveloperDuration: 6-12 Months (Possible Extension or Conversion)Location: McLean, VA (Hybrid)Job Description:This team does... ...who can do Data Analysis and Data Mapping related work.Will be developing applications as well as Data Analysis/Mapping/Extraction related...Senior
- ...Python DeveloperLocation: Must be onsite in McLean, VA. Hybrid - 3+ days per week. Extension/Conversion: This is a contract position... ...UNIX scripting, SoapUI and Postman.Job DescriptionFACS python developer: Develop REST/JSON based web services using Python/Flask. Create...SeniorContract workShift work3 days per week
- ...Senior Python Software EngineerLocation: Tysons, VA (Onsite) Rate: DOE Position Type: Contract (08-24-2026 to 12-31-2026)Must Have QualificationsAt... ...to improve maintainability, performance, and scalability. Develop and enhance core forecasting engine features to improve model...SeniorContract work
- ...systems. You will collaborate with architects, product leaders and multiple teams, driving reliable, high-performance solutions using Python, Go, Node.js, JavaScript and TypeScript on AWS, Docker and Kubernetes. You’ll mentor engineers, influence enterprise standards, and...Senior
- General Dynamics Information Technology, Inc. seeks a Lead Network Automation Engineer to drive development and sustainment of automation across a multivendor network. You will lead a small team, mentor engineers, and ensure production-ready automation with repeatable ...Senior
- ...Senior Data EngineerOur client is seeking a Senior Data Engineer to lead the migration of complex SAS codebases to Python as part of a large-scale data modernization initiative. This hands-on role focuses on converting legacy logic into scalable, high-performance Python...Senior
- ...decisions, and deliver robust cloud-enabled solutions that serve millions of customers. The role requires hands-on coding across Java/Python/JavaScript, experience with containers (Docker/Kubernetes) and AWS, and a track record of reducing technical debt while improving...Senior
- ...paced environment. You will guide cross‑functional teams, design scalable architectures, and drive end‑to‑end delivery using Java, Python, and AWS. The role emphasizes leadership, mentorship, and collaboration with product managers to enable secure, compliant financial...Senior
- ...Data Engineer 4 to design and deploy cloud-first data platforms. You will work across teams to build scalable data pipelines using Python, SQL and distributed systems, with AWS, Databricks and Snowflake. You will mentor others and help drive a data-driven transformation...Senior
- ...Senior Java/Python Software EngineerPrimary mandatory stack: Java + Spring Boot + Python/PySpark + Microservices + REST APIs + Databases.Skills Required:• Full stack or backend software development - Mandatory• Java and Spring Boot – Mandatory• Python / PySpark - Mandatory...Senior
$131.3k - $237.35k
...customers. This role sits at the intersection of helping end users, developing new features, and coordinating with technical partners to... ...Intelligence Polygraph clearance Four years of experience in a Python Development role Bachelor’s degree in computer science,...SeniorLocal areaImmediate start- ...4 in McLean, VA to lead diverse technology projects and guide distributed teams. You will work across Java, JavaScript/TypeScript, Python, and Go, leveraging Docker and Kubernetes in AWS environments. The role emphasizes technical leadership, design standards, and performance...Senior
- ...Capital One is seeking a Full Stack Software Engineer 4 in McLean, VA to drive a major transformation using Go, Python, Java, and AWS. You will lead diverse tech projects, mentor engineers, and collaborate with product managers to deliver cloud-based solutions. The role...Senior
- ...General Dynamics Information Technology, Inc. seeks an experienced Full Stack Python Developer to join our software team on-site in McLean, VA. You will provide Python-based integration, enterprise services, and AWS-driven solutions for our growing enterprise platforms...Senior
- ...Senior Python DeveloperOne of the longest-engaged Veteran-owned clients has a funded opening for a Sr. Python Developer and their ideal candidate is a DMV resident with a minimum of 5 years of related experience, a Bachelor's degree in Computer Science, Information Systems...SeniorFor contractorsWork experience placementWork at officeFlexible hours
- ...Capital One National Association seeks a Senior Full-stack Engineer to drive cloud-native projects using Java, Python, JavaScript/TypeScript and AWS. You will lead distributed services, mentor teams, and shape engineering standards. Collaborate with product managers,...Senior
- ...transformation in Cloud Operations Resilience Engineering. You will lead cross-functional teams delivering robust cloud solutions using Python, Go, and JavaScript within AWS environments. You will mentor engineers, reduce technical debt, and stay ahead of AI-powered tooling...Senior
$229.9k - $262.4k
...Lead a portfolio of diverse technology projects and a team of developers with deep experience in distributed microservices, and full stack... ...languages like JavaScript, Java, HTML/CSS, TypeScript, SQL, Python, and Go, Open Source RDBMS and NoSQL databases, Container Orchestration...SeniorFull timePart timeInternshipLocal area
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