Senior Python Developer
Software Technology Inc
Senior Python Developer ******ONSITE 3 DAYS PER WEEK IN MCLEAN, VA REQUIRED***** Position Overview: Freddie Macs Financial Engineering team is seeking Python Developers for a large strategic financial project. The position is focused on python development of components for a software application platform that will produce enterprise level reporting based on financial statements and models. The candidate will develop and support the middle layer of the application to build, test, and deploy RESTful micro services, create shared services components, and collaborate with other Dev teams, Dev Ops, and User Interface teams. Responsibilities include: Engineer capable of designing solutions, writing code, testing code, automating test and deployment Develop and maintain high-quality software code and automated tests (including Unit, Functional, Performance, Acceptance) for web interface application that integrates data, analytics, and reporting components Predictable results: changes in code can be proven to be correct and bug-free Production resilience: system must be highly available with minimal downtime High performance: develop scalable calculations to maintain performance over large data sets Ready, willing, and able to pick up new technologies and pitch in on story tasks (design, code, test, CI/CD, deploy, etc.) Technical Skills: Strong Proficiency in Python programming language, including experience with frameworks such as Flask, Django and FastAPI Experience with RESTful APIs and microservices architecture, and an understanding of how to design and implement them effectively. Back End Skills: Python, Django/Flask/FastAPI, NumPy, pandas and Relational Database Refactoring Skills: Knowledge of how to refactor code to improve its quality, maintainability, performance, and scalability while preserving its functionality. Automation Testing: Pytest, Unitest, Monkey patch, pytest-mockito etc. Build CI/CD Tools: gradle, Jenkins, git, Conda, pip, Jira, Gitlab, Confluence DevOps: Linux
- ...Senior Developer Role In a senior developer role, you will design and build data flow and data integration processes to enhance loss prevention... ...firm. Drawing from your vast hands-on experience in Python (PySpark), Spark, REST, Java, and Scala, you will develop, test...Senior
- ...Senior Python Developer We are seeking a Senior Python Developer to support the development of mission-critical applications built on modern software development frameworks. The selected candidate will collaborate with engineering teams to design, develop, enhance, and...SeniorFull time
$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 clearanceFour years of experience in a Python Development roleBachelor’s degree in computer science, Software...SeniorFull time- ...motivated candidate to join our talented Team. Job Title: Senior Data Engineer / AI ML Engineer with Python, AI/ML & LLMs. Location: Reston, VA ( Hybrid )... ...with data scientists, ML engineers, and software developers to design and implement robust data infrastructure that...Senior
$120.7k - $188.73k
ResponsibilitiesNoblis is seeking a cleared Cyber Capability Developer III - Digital Forensics to support our Law and Enforcement customer... ...will function as a full-stack engineer building and extending Python-based front-end and back-end capabilities that process diverse...SeniorFull timeContract workPart timeLocal areaRemote work$130k - $196k
...into the demanding fields of data science and machine learning? Are you proficient in Python, and full life cycle software development?Freddie Mac is currently seeking a senior developer to join the Credit Innovation and Analytics team in the Single-Family division.This...SeniorLocal area- ...Python Developer Location: Must be onsite in McLean, VA. Hybrid - 3+ days per week. Extension/Conversion: This is a contract position, currently fully funded through EOY. No plans for extension or conversion at this time. Must Haves: 3+ years of Python, Pandas, NumPy,...SeniorContract workShift work3 days per week
$97.3k - $156.7k
Senior Python Developer with Spark Position Description CGI is seeking a Senior Python Developer with Spark skills to design, build, and optimize large scale data processing systems in a cloud native AWS environment. This role focuses heavily on developing high performance...SeniorLocal area- ...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
$112k - $179k
...Senior Full Stack Developer (Python/Java/Angular) Job Locations US Requisition ID 2026-168013 Position Category Information Technology Clearance Public Trust Responsibilities Peraton is seeking a Full Stack Developer...SeniorContract workLocal areaRemote workShift work2 days per week3 days per week- ...time) from across the company to pursue an opportunity. Helps to develop capture strategies, analyze market trends that affect a pursuit... ...Manages the entire schedule and presents at key milestones to senior leadership, prepares interim reviews and work products, and...SeniorFull timePart timeInterim role
- ...individual with deep technical knowledge and strong analytical skills in Identity and Access Management (IAM) to join our team as a Senior Principal Information Engineer. This is a full-time remote role with minimal travel requirements.This Senior Principal Information...SeniorFull timeFor contractorsRemote work
- ...coordinate bug fixes to uphold the software quality standards Develop user training programs, documentation, and support frameworks to... ...integration.Required Skill and Experience Development experience in Python and modern web technologies with Software Development...Full timeTemporary workRelocation
$161.8k - $184.6k
Senior Software Engineer - Full Stack (Python + Spark) Do you love building and pioneering in the technology space? Do you enjoy solving complex... ...Collaborate with and across Agile teams to design, develop, test, implement, and support technical solutions in full...SeniorFull timePart timeInternshipH1bLocal area- ...Description Senior AI/ML Engineer Location: Herndon, VA (Hybrid Work) Preferred... ...must Good programming knowledge in Python and relevant ML/AI frameworks (TensorFlow... ...processing and data cleansing Developing and deploying scalable ML/AI models on...SeniorFull timeRemote work
- ...Only On W2 Python Developer McLean VA- 1 hour in person interview required. 6 month initial duration Job Description: Design and implement Web-based application using Python. Develop specifications and designs for complex applications or modifying/maintaining complex...
$200k - $240k
...captures and proposals in response to government RFPs, RFIs, and Sources Sought notices in support of IC and DoW programs Author and develop technical volumes, white papers, and solution narratives from concept to completion with minimal direction Analyze and decompose...Senior$104k - $166k
...structured, operational, program, or business datasets to support decision-makingProficiency with Python, R, SQL, or similar analytical tools, with the ability to develop notebooks, scripts, queries, and reusable analysis artifactsExperience with exploratory data analysis...SeniorContract workShift work- ...Software Developer/Python Developer Client: Freddie Mac Location: McLean, VA (Onsite, local try preferred, relocation acceptable nearby) Duration: 6+ months (with possible extension) Must Have Qualifications: 5+ years' experience of software development using Python Hands...Local areaRelocation
- Celestar Corporation is seeking a Senior Data Scientist (OBI Advanced Analytic Method Augmentation... ...data science languages, such as Rand Python; managing and merging of disparate data... ...predictive analytics.· Designs, develops, and evaluates leading-edge algorithmic intelligence...SeniorContract workWork at officeLocal area
- ...Job Details Sr AWS Python Developer JD: Key Responsibilities: Build and maintain ETL pipelines using Python and PySpark on AWS Glue and other compute platforms Orchestrate workflows with AWS Step Functions and serverless components ( Lambda ) Implement...Senior
- Celestar Corporation is seeking a Senior Data Scientist (OBI Analytic Efficiency Enablement... ...data science languages, such as R and Python; managing and merging of disparate data sources... ...at any experience level).· Designs, develops, and evaluates leading-edge algorithmic intelligence...SeniorContract workWork at officeLocal area
- ...to join our talented Team. Job Title: Senior Data Engineer Location(s): Reston, VA... ...0%)Mentor team members by designing and developing training materials to communicate the current... ...into RedshiftExperience with Python required; React and Node.js nice to haveExperience...Senior
- ....comContact Phone: (***) ***-****Company: MindlancePosition Title: Senior Data Engineer Location: Remote Duration: Contract to hire Profile... ...with AWS data services (Redshift, Glue, DMS)Proficiency in Python for test automation and validationExperience with Airflow and orchestration...SeniorFull timeContract workTemporary workRemote work
$165k - $180k
...control, CI/CD for data pipelines, automated testing, and model deployment strategies. Utilize and integrate open‑source tools such as Python, PySpark, and Apache Airflow for distributed data processing and workflow orchestration. Implement GenAI‑enhanced workflows using...SeniorWork experience placementH1bLocal area$112k - $179k
ResponsibilitiesOverviewPeraton is seeking a Senior AI Engineer to to design and build production-grade AI systems and lead the next evolution... ..., and modern SDLC frameworksStrong program skills in in Python and at least one additional language (Java, JavaScript, Go, etc....SeniorContract workRemote workShift work- ...highly motivated and self‑directed professional to fill the role of Senior Data Engineer . The candidate will be a member of a software... ...Experience building data products in Apache Avro and/or Parquet Python AWS Experience with REST APIs Desired Skills Iceberg Presto/Trino...Senior
$86.4k - $176.2k
...operating systems including embedded systems. Ideal candidates will have strong experience in cyber tool testing, in-depth knowledge of Python, and a background in network threat hunting. This role requires an active TS/SCI security clearance. The position offers a...Senior- ...coordinate bug fixes to uphold the software quality standards Develop user training programs, documentation, and support frameworks to... ...proficiency in Java, springboot and microservices. Experience in Python, Gitlab, Terraform.Preferred Skill and Experience Experience...Full timeTemporary workRelocation
$130k - $180k
...HawkEye 360 is seeking a Senior Command & Control Software Engineer to join their Space Ground Systems Team. The role involves designing... ...over 5 years of software engineering experience, proficiency in Python, and strong problem-solving skills. Compensation is competitive,...Senior
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