Senior Python Developer
eSolutionsFirst
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 maintain both customer-facing and internal applications/services. The role involves working across the full software development lifecycle, including server operations, backend development, testing, verification, and maintenance. The developer will contribute to:
- Building new features and enhancements
- Code refactoring and optimization
- Defect fixes and technical debt remediation
- Application modernization and migration efforts
- Performance improvements and scalability initiatives
Must-Have Qualifications
- 10+ years of backend development experience using Python , including large data libraries
- Strong understanding of Object-Oriented Programming (OOP)
- Experience working with large-scale databases
- Master's degree in Computer Science (preferred)
Preferred Skills (Nice to Have)
- Experience with cloud platforms (AWS, Azure, or GCP)
- Familiarity with RESTful APIs and microservices architecture
- Experience with data processing frameworks (e.g., Pandas, NumPy, PySpark)
- Understanding of CI/CD pipelines and DevOps practices
- Strong problem-solving and analytical skills
Work Schedule
- Standard business hours
- Full-time, on-site in Plano, TX or McLean, VA (Monday–Friday)
Vacancy posted 17 hours ago
Similar jobs that could be interesting for youBased on the Senior Python Developer in McLean, VA vacancy
- ...MANTECH seeks a driven and mission-focused Senior Python Developer to join our elite team based in Herndon, VA . In this role, you will contribute directly to innovative projects that support the Intelligence Community, helping to protect our country from emerging...Senior
MANTECH
Herndon, VA7 hours ago - ...TryApplyNow is looking for a Senior Python Developer in Alexandria, Virginia. This position is fully remote and provides the opportunity to transform legacy SAS-based workflows into scalable Python solutions. The ideal candidate will have at least four years of Python...SeniorRemote work
TryApplyNow
Alexandria, VA3 days ago - ...Python Developer Location: McLean, VA (Hybrid -Tues-Thru) Duration: 10+ Month Job 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...SeniorContract work
Samprasoft
McLean, VA2 days ago - ...What we would like to see: In a senior developer role, you will design and build data flow and data integration processes to enhance loss... ...firm. Drawing from your vast hands-on experience in Python (PySpark), Spark, REST, Java, and Scala, you will develop, test...Senior
Mavens Guild
McLean, VA2 days ago - ...Qualifications 7 10 years of professional experience as a Python Developer with expertise in Django. Proficiency in REST API development and integration. Strong understanding of OOP, MVC architecture, and web development concepts. Experience with version control systems...SeniorPermanent employmentContract workLocal areaRemote work
Digital Technologies Inc
McLean, VA4 days ago - ...Senior Developer - Python / AWS Workflow Automation About the Role We are seeking a skilled and motivated Senior Developer to join our Workflow Automation team. This role is pivotal in designing, developing, and implementing a modern job scheduling and orchestration solution...SeniorLong term contract3 days per week
3B Staffing LLC
Herndon, VA5 hours ago - StackNexus Inc. is seeking a Python Developer in McLean, VA. This onsite position is exclusively open to candidates residing in Virginia. Ideal applicants should have a minimum of 12 years of experience, along with strong skills in AI and MCP language. The role involves...SeniorLocal area
- TryApplyNow is hiring a Senior SAS/Python Model Validation and Modernization Developer for a full-time role in McLean, Virginia. This position involves statistical model validation, algorithm analysis, and modernization efforts to migrate SAS applications to Python-based...SeniorFull time
- ...Title: Senior Python Developer Location: Must be onsite either in Plano, TX or McLean, VA for 5 days a week (Monday to Friday) Duration: Long Term Interview Mode: In-Person interview Job Description: Looking for a proactive, detail-oriented Professional...SeniorMonday to Friday
Unisys
McLean, VA4 days ago - ...to multiple customers. This role focuses on helping end users, developing new features, and coordinating with technical partners to integrate... ...Intelligence Polygraph clearance Four years of experience in a Python Development role Bachelor’s degree in Computer Science,...Senior
Leidos
Bethesda, MD2 days ago - TryApplyNow is seeking a Senior Python Developer in McLean, Virginia for a contract role. The position requires extensive experience with Python, SQL, and related technologies, focusing on enterprise data integration initiatives. The ideal candidate will collaborate with...SeniorContract work
- Rudra Enterprise LLC is hiring a Python Developer for a long-term onsite contract in Washington, DC. The role involves supporting a critical Numerix-based financial platform, troubleshooting, and enhancing applications. The ideal candidate has strong experience in Python...SeniorLong term contractContract work
$100k - $150k
...Spatial Front, Inc. (SFI), a two-time USA Today Top Workplaces awardee and Washington Top Workplaces honoree, is seeking a Senior Python Developer to join our growing team supporting a federal client in Suitland, MD. In this role, you will support a geospatial and data...SeniorFull timeRemote workFlexible hoursSpatial Front
Suitland, MD1 day ago$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 startLeidos
Sterling, VA2 days ago$85 - $90 per hour
...Akkodis is seeking a Senior Python Developer for a Contract with a client in McLean, VA. The ideal candidate will be responsible for designing, building, and supporting scalable backend applications and datadriven services. Rate Range: $85/Hour to $90/Hour; The...SeniorHourly payContract workTemporary workLocal areaAkkodis
McLean, VA5 hours ago$90k - $130k
...application due to a disability, contact this employer to ask for an accommodation or an alternative application process. Senior Python Developer Full Time Washington, DC, US 5 days ago Requisition ID: 1062 Salary Range: $90,000.00 To $130,000.00 Annually About Company...SeniorFull timeContract workTemporary workFlexible hoursTripoint Solutions
Washington DC17 hours ago$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...SeniorFull timeLocal area$125k - $194k
Amtex Systems Inc is looking for a Senior Python Developer in Rockville, Maryland. This full-time role involves developing software products, mentoring other engineers, and improving product quality throughout the software development life cycle. Candidates should have...SeniorFull time$146k - $198k
# Senior Full-Stack Python DeveloperRandstad USAFull TimeseniorMcLean, Virginia, US$146k - $198kPosted 2 days ago## Role OverviewRandstad USA is hiring a Senior Full-Stack Python Developer. This is a full-time role in McLean. Part of Randstad USA's Fp A hiring, posted...SeniorFull timeTemporary workWork experience placement- ...Python API Developer 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...SeniorLocal area
- ...Job Title: SR. PYTHON DEVELOPER Location: Reston,VA Duration: 12+ Months Visa: USC, GC, H1B and EAD Contract Type: W2 Job Description: Development : Python Developer with experience in Java as a plus. Proficient...SeniorContract workH1b
Btree Solutions
Reston, VA3 days ago - ...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 messaging and event-driven patterns using AWS SNS and SQS Design and optimize...SeniorPermanent employmentContract workLocal area
Quantum Technologies USA
Reston, VA4 days ago $130k - $196k
Freddie Mac is seeking a Financial Model Development Senior (Python Developer) to join their Credit Innovation and Analytics team in McLean, Virginia. This full-time role involves developing, enhancing, and maintaining applications used for evaluating borrowers’ capacity...SeniorFull time$122k - $182k
Fairygodboss is seeking an experienced Python developer to join their Financial Engineering Team in McLean, Virginia. You will play a vital role in building high-performance and scalable applications that enhance housing finance systems. The role requires strong collaboration...Senior$98.12k - $166.81k
...Overview Senior Software Engineer (Python) (USA/Remote) at ICF. The Health Engineering Solutions (HES) team works side by side with customers to... ...outcomes-based hospital quality measure data. This contract develops a human-centric reporting system that allows refinement,...SeniorFull timeContract workWork experience placementWork at officeRemote workICF
Reston, VA4 days ago$137k - $200.2k
SwiftCruit is seeking an API/Java/Python Developer to support U.S. Government customers in providing advanced system and software engineering services. The role includes developing RESTful APIs and collaborating on end-to-end solutions. The ideal candidate has 2-5 years...Senior- ...teams to support the software development lifecycle of critical applications. This role requires significant experience with Java or Python, SQL development, and familiarity with CI/CD tools like Jenkins. The position values diversity and offers solutions to navigate...Senior
$130k - $196k
...join the Credit Innovation and Analytics team. The role involves developing and maintaining applications and models for automated borrower... ...5 years of experience in software development, proficiency in Python, C++, and Java, and familiarity with AWS and Python web services...Senior$146k - $198k
Randstad USA is seeking a Senior Full-Stack Python Developer in McLean, Virginia. This full-time role requires at least 5 years of software development experience, particularly with Python and SQL, and offers a competitive salary range of $146k to $198k. The successful...SeniorFull time- Black Canyon Consulting (BCC) is seeking a Full-Stack Developer to support the User Services and Collection Division. The role involves... ...possess significant experience in full-stack development using Python and Angular. Competitive salary and benefits including medical,...Senior
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Python Developer. Be the first to apply!
Related searches
- full stack / python developer (remote) McLean, VA
- python developer data analytics McLean, VA
- senior python developer McLean, VA
- python developer internship McLean, VA
- python engineer McLean, VA
- python developer McLean, VA
- python programmer McLean, VA
- python developer part time McLean, VA
- senior cloud service delivery manager McLean, VA
- senior business analyst contract McLean, VA