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Backend developer Jobs in Washington, DC

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Backend developer • washington dc

Last updated: 1 day ago

Senior Software Developer (Python – Backend)

DRC SystemsMcLean, VA, United States
Full-time
Quick Apply

Title: Senior Software Developer (Python Backend) Location: McLean, VA (5 days - Onsite) Must Have Qualifications: 5+ Backend Development with Python engineering- large data libraries, ...Show more

Developer

SiloSmashersArlington, VA, USA
Full-time
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DHS suitability clearance, as required by federal contract.The Developer will support DHS CISA by designing, building, and maintaining secure applications that enable mission-critical operations an...Show more

Senior Backend Engineer (Distributed Systems)

SOMERSET STAFFINGWashington, DC, United States
Full-time
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Randstad is seeking a high-caliber Senior Backend Engineer to join a premier client in Washington, DC.In this role, you will be a key architect of the future, designing and maintaining complex, hig...Show more

HRIS Developer

Greenberg-Larraby, Inc. (GLI)Washington, DC, US
Full-time
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The HRIS Developer will play a vital role in developing, maintaining, and enhancing the Human Resources Information System (HRIS) to ensure it meets the organization’s needs.This role involves work...Show more

Software Developer

SAICMclean, VA, US
Full-time

SAIC is seeking a Software Developer that will be part of an integrated team to create, update, and maintain a federated search and discovery software system to integrate data related to financial ...Show more

Senior Backend Engineer (Distributed Systems)

Blue Ribbon Global TechnologiesWashington, DC, United States
Full-time
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Randstad is seeking a high-caliber Senior Backend Engineer to join a premier client in Washington, DC.In this role, you will be a key architect of the future, designing and maintaining complex, hig...Show more

iOS Developer

Hudson ManpowerWashington, DC, US
Full-time

Seeking a motivated iOS Developer to design, develop, and maintain high-quality mobile applications for Apple devices.Must collaborate with cross-functional teams and follow best coding practices.D...Show more

Backend Java Developer

SynergisticITDowntown, DC, US
Full-time

Launch Your Tech Career with Confidence — SynergisticIT Is Your Next Best Move.Are you eager to start a thriving career in tech but unsure how to bridge the gap between learning and getting hired? ...Show more

Software Developer

S2TechnologiesArlington, VA, USA
Full-time
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Position Title: Software Developer.In this role, you will work in an agile environment, collaborating closely with team members and end users to modernize and upgrade the current system.The positio...Show more

Web Developer

00100 LEIDOS, INC.McLean, VA
Full-time

Are you looking for an opportunity to make an impact?.At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success.W...Show more

AI Developer

IPS USAWashington, DC, US
Full-time

Infosys Public Services is seeking an AI Developer to join our team.Position Description (scope of work or brief narrative):Collaborate with Requirements and Test Automation teams to identify high-...Show more

Java Backend Developer - Contingent

AretumMcLean, VA, US
Remote
Full-time
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Public Trust Eligibility Required.This is a contingent position, meaning employment is dependent upon the successful award of the associated contract to Aretum and completion of any required backgr...Show more

Web Developer

TradeJobsWorkForce22243 Arlington, VA, US
Full-time

Web Developer Job Duties: Regular exposure to business stakeholders and executive management, as well as the authority and scope to apply your expertise to many interesting technical problems.Cand...Show more

 • Promoted

AI Developer

DivIHN Integration IncWashington, DC, US
Permanent

DivIHN (pronounced “divine”) is a CMMI ML3-certified Technology and Talent solutions firm.Driven by a unique Purpose, Culture, and Value Delivery Model, we enable meaningful connections between tal...Show more

 • Promoted

PeopleSoft Developer

VDart IncWashington, DC, United States
Full-time
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Key Skills: Strong Senior Onsite PS FSCM developer, approx.Modules : Very strong on Accounts Receivable module and good knowledge of General Ledger, Accounts Payable, Asset Management, Project Cost...Show more

Senior Backend Engineer (Distributed Systems)

Relig Staffing, Inc.Washington, DC, United States
Full-time
Quick Apply

Randstad is seeking a high-caliber Senior Backend Engineer to join a premier client in Washington, DC.In this role, you will be a key architect of the future, designing and maintaining complex, hig...Show more

Software Developer

NeoMaxMcLean, VA, US
Full-time

Job DescriptionWe are hiring a Software Developer! You will support a team specializing in designing, engineering, implementation, development, and maintenance of enterprise quality mission systems...Show more

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Senior Software Developer (Python – Backend)

Senior Software Developer (Python – Backend)

DRC SystemsMcLean, VA, United States
1 day ago
Job type
  • Full-time
  • Quick Apply
Job description
Title: Senior Software Developer (Python Backend)
Location: McLean, VA (5 days - Onsite)
Must Have Qualifications: 5+ Backend Development with Python engineering- large data libraries, working with databases, and working with large currency.
Position Overview
client's Investments & Capital Markets division is seeking a Senior Software Developer (Python Backend) to support the development and enhancement of mission-critical applications built on modern software development frameworks.
The ideal candidate will contribute across the full software development lifecycle, including new feature development, code refactoring, defect resolution, technical debt reduction, performance improvements, and migration initiatives. This role supports both customer-facing and internal applications/services and requires strong expertise in backend Python engineering and large-scale data processing.
Key Responsibilities
  • Design, develop, and maintain backend services and applications using Python
  • Work with large datasets, currency-related data, and high-volume transactional systems
  • Implement and optimize database interactions and data processing workflows
  • Participate in code refactoring, defect fixes, and technical debt remediation
  • Support application migrations and modernization efforts
  • Collaborate with cross-functional teams across development, testing, and operations
  • Contribute to testing, verification, deployment, monitoring, and maintenance of applications
  • Ensure solutions align with scalability, performance, and reliability standards
Must-Have Qualifications
  • 5+ years of backend development experience using Python
  • Strong experience working with large data libraries and frameworks
  • Hands-on experience with databases (relational and/or NoSQL)
  • Experience handling large currency or financial datasets
  • Solid understanding of software development lifecycle (SDLC)
  • Ability to work in a fast-paced, enterprise-scale environment
Nice-to-Have Skills
  • Experience in financial services or capital markets
  • Familiarity with modern software development frameworks
  • Exposure to cloud-based architectures and services
  • Strong debugging, performance tuning, and optimization skills