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Backend developer Jobs in Washington, DC

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Backend developer • washington dc

Last updated: 4 days ago

Senior Software Developer (Python – Backend)

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

Title: Senior Software Developer (Python Backend)</b></div> <div><b>Location: McLean, VA (5 days - Onsite)</b></div> <div> </div> <div>&l... Show more

Developer

SiloSmashersArlington, VA, USA
Full-time
Quick Apply

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 <b>Senior Backend Engineer</b> to join a premier client in <b>Washington, DC</b>.In this role, you will be a key architect of the future, ... Show more

iOS Developer

Hudson ManpowerArlington, VA, 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

Application Developer

i360Arlington, Virginia
Full-time

Applications Developer to join our team.The ideal candidate is self-motivated and possesses the design skills to shape the digital experiences of i360's users and volunteers.They care deeply about ... Show more

Salesforce Developer

Yudrio, IncWashington, District of Columbia, United States
Full-time

Yudrio is seeking a skilled and collaborative Salesforce Developer with strong experience in Copado, OmniScript (OmniStudio), and an active Salesforce Platform Developer certification to support th... Show more

Appian Developer

BayNova LLCArlington, VA, US
Full-time
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BayNova has an exciting opportunity for an Appian Developer to join our team in support of an important federal government client, in a fully remote / work from home role.You will be supporting a f... 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 <b>Senior Backend Engineer</b> to join a premier client in <b>Washington, DC</b>.In this role, you will be a key architect of the future, ... Show more

Software Developer

Dezign Concepts LLCMcLean, VA, US
Full-time
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Active Top Secret Clearance with Poly Required   (salary is commensurate with education and experience) Job Summary The organization provides data-driven, business analysis to support senior o... Show more

Splunk Developer

00100 LEIDOS, INC.Alexandria, VA
Full-time

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customer’s success.We empower our teams, contribute to our communities, an... 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

Web Developer

TradeJobsWorkForce22227 Arlington, VA, US
Full-time

Web Developer Job Duties: Regular exposure to business stakeholders and executive management,... Show more

 • Promoted

System Developer

Patriot, LLCWashington, DC, US
Full-time
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Patriot, LLC is seeking an experienced System Developer to join our onsite team in Washington D.Participate in the architecture and design of new and existing systems.Develop and maintain system an... Show more

Python Developer

pinnacleArlington, VA, US
Full-time

Job Description</h3><br /><p>Pinnacle Government Solutions is a minority-owned small business that provides Software, AI/ML, and Cloud Engineering Solutions for our Department of ... Show more

RPA Developer

ProSidian Consulting, LLCAlexandria, VA, us
Full-time

ProSidian Seeks a RPA Developer | Human Capital Technology Support - Intelligent Automation (AI & RPA) [NSF0056056] for Program Support on a Exempt W2: No Overtime Pay Basis located in the Mid Atla... Show more

Java Backend Developer - Contingent

AretumMcLean, VA, US
Remote
Full-time
Quick Apply

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

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

Senior Backend Engineer (Distributed Systems)

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

Randstad is seeking a high-caliber <b>Senior Backend Engineer</b> to join a premier client in <b>Washington, DC</b>.In this role, you will be a key architect of the future, ... Show more

Software Developer

Avid Technology ProfessionalsBethesda, MD, USA
Full-time

Bachelor’s degree and 8+ years of relevant experience; or 10 years with AA/AS; or 12 years with HS diploma.Proven experience in designing and implementing microservices architectures.Strong knowled... Show more

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Senior Software Developer (Python – Backend)

Senior Software Developer (Python – Backend)

DRC SystemsMcLean, VA, United States
4 days ago
Job type
  • Full-time
  • Quick Apply
Job description
Only W2 (No C2C, No 1099, No H1b, No OPT EAD) 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