API Jobs in District of Columbia

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Sr. Site Reliability Engineer - ServiceNow

Visa Inc.

Ashburn, Virginia, USA

Full-time

Company Description Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable, and secure payments network, enabling individuals, businesses, and economies to thrive while driven by a common purpose - to uplift everyone, everywhe

Specialist, Integration/Test Engineer

Harris Corporation

Herndon, Virginia, USA

Full-time

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris Technologie

Data Scientist

Aditi Consulting

Remote or Thousand Oaks, California, USA

Contract

Payrate: $45.50 - $50.05/hr. Summary: This role will involve integrating complex data sources, performing data analytics, and developing visualizations and dashboards and helping to design and implement sophisticated process automation for business processes, analytical models, and artificial intelligence applications. Responsibilities: Build a wide range of data and analytics solutions, from descriptive to prescriptive, using advanced statistical and machine learning models. Leverage large data

Biometrics Software Engineer (SME)

Leidos

Reston, Virginia, USA

Full-time

Leidos has a new and exciting opportunity for a Biometrics Software Engineer (SME) in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immed

Solutions Architect

York Solutions, LLC

Remote or Minneapolis, Minnesota, USA

Contract

Must be able to work on W2 Hybrid 3 days a week onsite downtown Minneapolis MN Position Overview: Seeking a Solution Architect to join the Customer Data Services team, a Scrum/Agile team working in the AWS space. Responsibilities include building out customer data services, APIs, and notification services. The role requires strong experience in authentication and authorization (JWT, OAuth2, OIDC), integration, and API architecture. Familiarity with Salesforce is helpful but not required. Typica

SAP FI-GL Functional Analyst

Calance

Remote or Plano, Texas, USA

Contract

** The quickest way to be considered for this role is to CALL US directly! Click "Apply On Web" or "Apply Now" to access our Recruiter s contact details and give us a call today! ** ** We will NOT accept 3rd Party (C2C) Contractors ** JOB DETAILS: Position:SAP FI-GL Functional Analyst JOB REF#:43588 Duration:12+ Months (On-going Contract) Location:REMOTE - Plano, TX 75024 Pay Rate:OPEN/Market Rate (W2 ONLY) This role is 100% REMOTE (LOCAL CANDIDATES ONLY). Seeking to hire a seasoned SAP Fu

Cloud Solutions Architect

Akima, LLC

Herndon, Virginia, USA

Full-time

Designs and develops IT applications. Develops enterprise-level applications and custom integration solutions including major enhancements and interfaces, functions and features. Uses a variety of platforms to provide automated systems applications to customers. Provides expertise regarding the integration of applications across the business. Determines specifications, then plans, designs, and develops software solutions, utilizing appropriate software engineering processes either individually o

Data Engineer

ICF

Reston, Virginia, USA

Full-time

The Company ICF is a mission-driven company filled with people who care deeply about improving the lives of others and making the world a better place. Our core values include Embracing Difference; we seek candidates who are passionate about building a culture that encourages, embraces, and hires dimensions of difference. The Team Our Health Engineering Solutions (HES) team works side by side with customers to articulate a vision for success, and then make it happen. We know success doesn't hap

Data Engineer

Cornerstone Defense

Herndon, Virginia, USA

Full-time

Location: Herndon, Virginia Type: Contract Job #3657 Title: Data Engineer Location: Herndon, VA *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed

Full Stack Developer

Redhorse Corporation

Chantilly, Virginia, USA

Full-time

About the Organization Now is a great time to join Redhorse Corporation. We are a solution-driven company delivering data insights and technology solutions to customers with missions critical to U.S. national interests. We're looking for thoughtful, skilled professionals who thrive as trusted partners building technology-agnostic solutions and want to apply their talents supporting customers with difficult and important mission sets. About the Role Redhorse transforms how the government uses

Remote Full Time Azure Application Solution Architect

Arkhya Tech

Remote or US

Full-time

Role- Azure Application Solution Architect Location - Remote Job Type: Full Time We are seeking a highly skilled Azure Application Development Architect to design, implement, and manage software solutions on the Azure platform. The ideal candidate will have extensive experience with Java Microservices, Azure databases (Azure SQL and Cosmos DB-Mongo API), event driven architecture and will work with cross-functional teams to gather and define requirements, develop architectural plans, and ensur

Data Extract, Transform, Load (ETL) Systems Engineer

SAIC

Chantilly, Virginia, USA

Full-time

Job ID: 2506041 Location: CHANTILLY, VA, US Date Posted: 2025-06-25 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description JOB DESCRIPTION: SAIC is seeking a Data Extract, Transform, Load (ETL) Systems Engineer in Chantilly, VA to focus on Application Programming Interface design (

Lead Salesforce Developer

Data Intelligence LLC.

Washington, District of Columbia, USA

Full-time

Data Intelligence LLC (DI) is seeking a highly skilled and experienced Lead Salesforce Developer to join our dynamic team on-site in Washington, D.C. As a Salesforce Lead, you will play a critical role in designing, developing, and deploying innovative solutions on the Salesforce platform. You will collaborate closely with the Product Owner, IT Solution Manager, and IT Solution Architect to ensure the successful delivery of scalable and secure Salesforce applications that meet business needs. **

Solution Architect

York Solutions, LLC

Remote or Minneapolis, Minnesota, USA

Contract

Must be able to work on W2 Position Overview: Seeking a Solution Architect to join the Customer Data Services team, a Scrum/Agile team working in the AWS space. Responsibilities include building out customer data services, APIs, and notification services. The role requires strong experience in authentication and authorization (JWT, OAuth2, OIDC), integration, and API architecture. Familiarity with Salesforce is helpful but not required. Typical day: Attend daily stand-ups, pick up and complete

SAP GTS Consultant

McKinsol Consulting Inc

Remote

Contract, Third Party

GTS Team Global Trade Services - GTS s SAP Best Practice - GTS Customs Management and FTZ Implementation experience required 1. Organization Structure : FTZ Customs ID, FIRMS code 2. Master Data : Product Categorization Component, Semifinished Product, Finished Product; Zone status (PF, NPF) 3. Inbound to FTZ : Domestic goods (Duty paid), Foreign goods (Duty unpaid) Direct deliveryNon-direct delivery, Transit procedures : Permit to Transfer (PTT), In Bond (IB), Zone to Zone transfer; FTZ finishe

Java, Scala, Python Developer

Cymertek Corporation

Chantilly, Virginia, USA

Full-time

Java, Scala, Python Developer LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a versatile and highly skilled Java, Scala, Python Developer to join our team and contribute to the development of innovative and scalable software solutions. In this role, you will leverage your expertise in Java, Scala, and Python to design, build, and maintain applications that solve complex problems and meet business obj

Software Engineer, Backend

West Coast Consulting LLC

Remote

Full-time

Job Description REMOTE JOB DESCRIPTION We're looking for a skilled Senior Backend Engineer (Contractor) to join our GraphQL API platform team. In this role, you'll focus on migrating legacy Python services to Go within our GraphQL API services. Experience with GraphQL, including GraphQL Federation and Apollo Router, is a strong plus. You'll use internal tools and processes developed by the GraphQL team to accelerate our migration from Python to Go. We're seeking someone who thrives in a fas

Software Development Specialist

NTT DATA Americas, Inc

Remote or Phoenix, Arizona, USA

Contract

Software Development Specialist - 25-05417 100% Remote 2yr Duration W2 or C2CNTT DATA's Client is seeking a Software Development Specialist to design, develop, and support interfaces using HL7 v2.x, HL7 v3, FHIR, and custom APIs. Configure and maintain healthcare integration engines (Rhapsody preferred, others acceptable). Translate business requirements into technical solutions focused on healthcare data exchange. Collaborate with internal and client teams to implement real-time and batch integ

Senior Corrosion Engineer

Oceaneering

Maryland, USA

Full-time

Company Profile Oceaneering Technologies (OTECH) develops, manufactures, and operates customized marine systems, shipboard equipment, subsea vehicles, and engineered solutions for commercial and U.S. military vessels. Oceaneering Aerospace and Defense Technologies (AdTech) delivers solutions that enable humans to work safely and effectively in harsh environments - from underwater to the outer reaches of space. Our innovative solutions support the development and application of practical, cost-

Solutions Architect - .Net, C#, AWS

Perficient

Fairfax, Virginia, USA

Full-time

We currently have a career opportunity for a Solutions Architect to join our team. This role is REMOTE. Job Overview: As a Solutions Architect, you will play a pivotal role in designing and implementing enterprise-grade digital process automation solutions using the Camunda platform. This role focuses on leveraging BPMN, DMN, and process orchestration capabilities to streamline and optimize business workflows across diverse industries. You will be responsible for guiding development teams in