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- ...Key Responsibilities: Design, develop, and maintain mobile applications for Android and or iOS Build and integrate RESTful APIs and third-party services Ensure application performance, quality, and responsiveness Collaborate with backend developers, designers...SuggestedFull time
Intelliswift - An LTTS Company
Washington DC3 days ago - ...Key Responsibilities Lead API platform modernization, upgrades, and enhancement initiatives across cloud environments. Design, develop, maintain, and optimize RESTful APIs and application integrations. Build and support serverless and containerized applications...SuggestedContract work
PB consulting
Washington DC13 days ago - ...active U.S. Government Security Clearance at the TS/SCI level with CI Polygraph.Vantor has an exciting opportunity for an API/Java/Python Developer within our Intel sector advancing the national security mission through cutting edge technology. You must have a passion for...SuggestedPermanent employmentFull time
Maxar Technologies
Arlington, VA4 days ago $114.6k - $252.1k
Job Title: Senior Oracle Integration & API EngineerJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required... ...in Reston as business needs arise.Responsibilities:Design, develop, and maintain integration interfaces between Oracle Fusion Cloud...SuggestedContract workWork experience placementImmediate startRemote workFlexible hoursCACI International
Reston, VA3 days ago$114.6k - $252.1k
Job Title: Oracle Integration & API EngineerJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start... ...in Reston as business needs arise.Responsibilities:Design, develop, and maintain integrations between Oracle Fusion Cloud HCM and federal...SuggestedContract workWork experience placementImmediate startRemote workFlexible hoursCACI International
Reston, VA3 days ago$88.2k - $190.9k
API/Java/Python Developer, SME TS Clearance REQUIRED Position Description Position Description CGI Federal has an exciting opportunity for an API/Java/Python Developer within our Intel sector advancing the national security mission through cutting edge technology...SuggestedLocal areaArlington, VAmore than 2 months ago- ...software development across the Software Development Lifecycle (SDLC). Develops production-grade applications using JavaScript/TypeScript on the... ...frameworks Design and implement robust back-end services and APIs using Java Spring Boot Create custom integrations and CLI...SuggestedContract work
Software Guidance & Assistance, Inc. (SGA, Inc.)
Rockville, MD6 hours agonew $87.1k - $157.45k
...an Intelligence Community customer. In this role, you’ll design, develop, and deliver modern software solutions that enable critical... ...functional development teams to build and maintain microservices, APIs, and web-based applications that support GEOINT data access, visualization...SuggestedFull timeContract workLeidos
Gaithersburg, MD11 hours ago$107.09k - $144.57k
...learn complex technical domains. What You Will Do: Design, develop, test, debug, and maintain software applications and systems... ...across processes, services, or systems using technologies such as APIs, messaging, publish/subscribe patterns, protobuf, gRPC, or comparable...SuggestedFull timeWork at officeFlexible hoursShift workLeonardo DRS
Germantown, MD2 days ago$75 - $85 per hour
...Sharma || (***) ***-**** shaily(at)zilliontechnologies(dot)com API Integration Engineer with Core Banking Environment Location -... ...insurance; 401(k) We are looking for a Senior API Developer who is well verse in Core Banking APIs. Experience with Oracle Core...SuggestedHourly payLocal areaRemote workZillion Technologies, Inc.
Vienna, VA3 days ago$87.1k - $157.45k
...application used across the organization for analytics and reporting. You’ll help build and maintain core backend services, develop RESTful APIs, support data‑driven functionality, and contribute to ongoing system enhancements within a Linux‑based environment. Your work...SuggestedFull timeLeidos
Gaithersburg, MD1 day ago$140k - $180k
...workflows reproducible, dependable and usable in customer environments. What you will own • Build and maintain backend services, APIs and scientific data workflows in Go and Python. • Connect document extraction, structured data and scientific tools into traceable...SuggestedFull timeWork at office2 days per week3 days per weekInsilica
Rockville, MD2 days ago- ...Job Description Job Description Job Description: Quevera has exciting opportunities for Python API Developer - SWE0 to support the design and delivery of next-generation mission applications. In this role you will build scalable and secure APIs, integrate AI/...SuggestedTemporary work
Quevera LLC
Annapolis Junction, MD6 days ago $107.9k - $195.05k
...CandidateWe're looking for someone who is more than a front-end developer. You are passionate about how technology feels and functions... ...development tooling.Experience developing or consuming RESTful APIs and integrating UI applications with backend services.Experience...SuggestedFull timeContract workLeidos
Gaithersburg, MD2 days ago- ...30 miles of 22102 Pay Range: 40-45/hr on w2 Candidates should work on Artech w2 Introduction Join our dynamic team as a developer focusing on API-based projects. This role is perfect for those with strong development skills and a passion for working with cutting-edge...SuggestedImmediate start
Artech LLC
McLean, VA2 days ago - ...Model (LLM) technologies. \n This position will help design and develop modern applications that provide intelligent document... ...supported by scalable backend services and well-designed RESTful APIs. \n Candidates should have at least 5 years of professional software...Contract workImmediate start
ConsultNet Technology Services and Solutions
Rockville, MD2 days ago - ...Must have’s: ~10 years of experience ~ Java, Springboot, API ~ Frontend: Angular, React ~ DB – RDS, Query optimization, tuning... .... Work with AWS , including Lambda and RDS , to develop and operate cloud-based applications. Analyze database performance...Permanent employmentFull timeTemporary workFixed term contractImmediate start3 days per week
Unisys
Rockville, MD1 day ago $131.6k - $205.63k
...player-coach who provides technical direction, sets standards, and develops engineers while remaining deeply hands-on in architecting cloud... ..., Lambda, S3, RDS/Aurora, DynamoDB, VPC, IAM, KMS, CloudFront, API Gateway, Route 53, CloudWatch, CloudTrail).Minimum 3 years of...Full timeTemporary workWork at officeFlexible hoursMeso Scale Diagnostics
Rockville, MD2 days ago- ...efficient markets. The ideal candidate is a versatile, self-driven developer who thrives in a fast-paced environment, takes ownership of... ...Proven experience designing and building microservices and RESTful APIs at enterprise scale Strong database design and query...Contract work
Software Guidance & Assistance, Inc. (SGA, Inc.)
Rockville, MD2 days ago - ...Rate: DO We are seeking a Software Engineer to design, develop, and support enterprise applications that power critical business... ...using Java, Spring Boot, AWS, and Angular. Build scalable REST APIs, microservices, and backend services supporting high-volume...Contract workImmediate start
ConsultNet Technology Services and Solutions
Rockville, MD4 days ago - ...software development lifecycle. Key Responsibilities Design, develop, and maintain scalable full-stack applications and enterprise solutions. Build backend services and RESTful APIs using Java, Spring, and Spring Boot. Develop modern web applications...Contract workImmediate start
ConsultNet Technology Services and Solutions
Rockville, MD1 day ago - ...Rate: $60.00 to $70.00/hr. w2 Responsibilities Design, develop, and maintain robust full-stack applications supporting regulatory... ...Java with Spring and Spring Boot, with microservices and RESTful API design at enterprise scale. Database design and query optimization...Remote work
Eliassen Group
Rockville, MD1 day ago - ...Full Stack Developer: Project Description Enterprise Development Experience: Proven track record of designing and deploying production... ...services (SQS/SNS) Serverless computing (AWS Lambda) API Gateway, Step Functions Data storage solutions (S3, RDS, DocumentDB...Full time
Unisys
Rockville, MD2 days ago $87.1k - $157.45k
...Leidos, you’ll help shape the future of intelligence operations by developing modern, high-performance web applications for mission-critical... ...integrating applications with backend services and REST APIs.Clearance Level RequiredActive TS/SCI with the ability to successfully...Full timeContract workLeidos
Gaithersburg, MD2 days ago$106.48k - $159.72k
...Senior.NET Developer NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want... ...Experience with AI/ML integration, Azure Cognitive Services, or API-driven data platforms. Excellent communication, customer-facing...Temporary workFlexible hoursNTT DATA
Rockville, MD2 days ago- ...in Rockville, MD Our client seeks a mid to senior full-stack developer to deliver enterprise-grade financial technology solutions with... ...architectures leveraging AWS services such as SQS/SNS, Lambda, API Gateway, Step Functions, S3, RDS, DocumentDB, DynamoDB, and ECS....Hourly payLocal areaRemote work
$107.9k - $195.05k
...infrastructure, data, network, security, and mission-system components.• Develop and maintain system integration strategies, plans, procedures,... ...cross-system issues.• Develop integration approaches for APIs, microservices, databases, messaging systems, and external interfaces...Full timeContract workLeidos
Gaithersburg, MD2 days ago$87.1k - $157.45k
...through manual functional testing, comprehensive test planning, detailed test procedure development, and API validation. You'll work closely with software developers, product owners, and mission stakeholders to translate requirements into effective test scenarios,...Full timeLeidos
Gaithersburg, MD2 days ago- ...of secure GenAI, RAG, and agentic AI applications using OCI Generative AI, approved models, enterprise data, APIs, tools, and workflows. Personally develop Python services, REST APIs, prompts, tool integrations, guardrails, evaluation logic, error handling, and lightweight...Full timeLocal area
ExpediteInfoTech, Inc.
Rockville, MD2 days ago $112.94k - $188.24k
...organization, apply now. We are currently seeking a Lead .NET Developer to join our team in Rockville, Maryland (US-MD), United States (... ...Experience with AI/ML integration, Azure Cognitive Services, or API‑driven data platforms. Excellent communication, customer‑...Temporary workWork at officeRemote workFlexible hoursThe Nippon Telegraph and Telephone Corporation (NTT)
Rockville, MD3 days ago
