Senior Application Developer jobs

Hybrid in Washington, District of Columbia

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Today

Job Number: R0249546 Application Developer, Senior The Opportunity: At a certain point, experience -based system design can start to look like clairvoyance. When you've developed so many systems that you can not only orchestrate the best solution for any technology-based challenge, but you can also anticipate and preempt future issues, you're a solutions architect. You've evolved your skills into strategy through a long path of sof tware development accomplishments and the curiosity to understa

Full-time

USD 86,800.00 - 198,000.00 per year

Senior Application Developer

Hybrid in Washington, District of Columbia

•

Today

Job Number: R0249548 Application Developer, Senior The Opportunity: At a certain point, experience -based system design can start to look like clairvoyance. When you've developed so many systems that you can not only orchestrate the best solution for any technology-based challenge, but you can also anticipate and preempt future issues, you're a solutions architect. You've evolved your skills into strategy through a long path of sof tware development accomplishments and the curiosity to understa

Full-time

USD 86,800.00 - 198,000.00 per year

Sr Application Developer

San Francisco, California

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Today

Job#: 3050981 Job Description: Senior MuleSoft Integration Developer About the Role We are looking for a Senior MuleSoft Integration Developer to help design, build, and support enterprise API and integration solutions that connect critical business applications across the organization. This role is ideal for someone who enjoys solving complex integration challenges, building scalable APIs from the ground up, and partnering closely with development teams to deliver reliable and reusable servi

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Full-time

$65 - $80 per hour

Senior Application Developer / Chicago / Boomi

Chicago, Illinois

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Today

A growing professional services firm is seeking a full-time Senior Application Developer to join its Chicago-based technology team in a hybrid work environment. This role focuses on enterprise application development, integrations, workflow automation, and business systems optimization utilizing technologies such as Boomi, SQL, C#, and cloud-based business applications. This opportunity is ideal for someone who enjoys leading technical initiatives from concept through delivery while partnering c

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Full-time

$80000 - $110000

Sr Application Developer

Philadelphia, Pennsylvania

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Today

Location: Philadelphia, PA Salary: $55.00 USD Hourly - $60.00 USD Hourly Description: Sr. Application Developer (Contract-to-Hire) Location: Hybrid (3 days onsite) Philadelphia, PA 19103 Job Summary: Seeking a Senior Application Developer with 5+ years of full stack development experience to lead and support multiple enterprise applications. The ideal candidate will have strong expertise in Java, Spring Boot, REST APIs, Angular/React, and Google Cloud Platform (Google Cloud Platform), along

Contract

USD 55.00 - 60.00 per hour

Sr. Application Developer SME

Washington, District of Columbia

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Today

Residency All applicants must currently reside in the United States Overview BigBear.ai is seeking a Sr. Application Developer to support the Defense Intelligence Agency (DIA). You will be joining our amazing BigBear.ai team to provide development for legacy and existing systems whether it's building out new features, enhancements, or bug fixes and adding features that will allow our successor system to integrate with older legacy systems so that both systems can co-exist. This position will b

Full-time

Senior Application Developer

No location provided

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Today

GovCIO is currently hiring a highly skilled Senior Application Developer with an active Secret clearance to design, build, and modify application software using programming languages such as Java, ColdFusion, JavaScript, and C#. This position will be located in Fairfax, VA and will be a hybrid position. Responsibilities Implement multiple design patterns. Integrate COTS products, use APIs, interact with data repositories, cross-domain solutions, and manage system interfaces. Manage legacy cod

Full-time

USD 135,000.00 - 165,000.00 per year

Sr. Application Developer Front-End

Washington, District of Columbia

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Today

Residency All applicants must currently reside in the United States Overview BigBear.ai is seeking a Sr. Application Developer with Front-End focus to support the Defense Intelligence Agency (DIA). You will be joining our amazing BigBear.ai team to provide development for legacy and existing systems whether it's building out new features, enhancements, or bug fixes and adding features that will allow our successor system to integrate with older legacy systems so that both systems can co-exist.

Full-time

IT Senior Application Developer (3 positions)

Remote or Olympia, Washington

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Today

Salary: $99,300.00 - $133,608.00 Annually Location : Thurston County - Olympia, WA Job Type: Full Time - Permanent Remote Employment: Flexible/Hybrid Job Number: 2026-07366 Department: Office of Financial Management Division: Information Technology Services Opening Date: 09/14/2026 Salary Information: The high end of the salary range, Step M is typically a longevity step Description Note: This recruitment is open until filled. Applications will be reviewed daily. Please submit an application bef

Full-time

USD 99,300.00 - 133,608.00 per year

Senior Application Developer

Washington, District of Columbia

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2d ago

About This Role The DC Department of Human Services (DHS), Office of Information Systems (OIS), Application Software Development Division is seeking a Senior Application Developer to design, develop, deliver, and enhance Client-Server, Web, Cloud, and Mobile applications using .NET/ASP/Visual C#. You will build new functionality and system enhancements, troubleshoot production issues, build reporting and dashboards, implement secure and defect-free programming standards, and mentor a team of dev

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Full-time

66 - 74

Sr Application Developer

San Francisco, California

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17d ago

VARITE is looking for a qualified Sr Application Developer What does the client do? A U.S. based regional bank and financial services company that provides a wide range of banking products and services, including personal banking, business banking, mortgages, wealth management, and investment services. What do we do? Established in the Year 2000, VARITE is an award-winning minority business enterprise providing global consulting & staffing services to Fortune 1000 companies and government agen

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Contract

$64.4 - $105.85

Senior Application Developer Python / AWS / Kubernetes

Hybrid in New York, New York

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29d ago

Title: Senior Application Developer Python / AWS / Kubernetes Location: New York, NY Duration: 12 Months We are seeking an experienced Application Developer with strong expertise in Python, AWS Cloud, web application development, APIs, containerization, and Oracle databases. The ideal candidate will have hands-on experience designing, developing, deploying, and supporting enterprise web applications and cloud-based solutions. Required SkillsStrong experience with Python Web DevelopmentHands-o

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Contract

$80 - $100

Senior Application Developer

Washington, District of Columbia

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2d ago

Position Title& Code: DHS App. Technical Specialist Senior (812336) Location:DHS - 64 NY Ave, NE Washington, DC, 20002 ProjectEnd Date: 09/30/2027 (With Possible extension to next fiscal year) Interview Type: In Person Work Arrangement: Onsite Description: 11-15 years of experience. Proven professional experience in the design, development, delivery and enhancement of Client-Server/Web-Based/Cloud-Based/Mobile Software Applications using Microsoft .NET Technologies, ASP & C# (C-Sharp).This po

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Full-time, Third Party

0 - 0

Senior Application Developer - Onsite

Washington, District of Columbia

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23d ago

Title: Senior Application Developer - Onsite Mandatory skills: software development, SDLC, Agile methodologies, programming, AWS services, modern web frameworks, Angular, .Net, ECS, Terraform, AI-Assisted Development, Claude, AI tools, ChatGPT, GitHub Copilot, code generation, Geospatial Development, ESRI technologies, ArcGIS, ArcGIS Online, ArcGIS Server, APIs, interactive maps, system analysis, design, business requirements, technical solutions, Database, NoSQL database development, technical

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Contract

Depends on Experience

Senior Application Developer - New York City, NY

Remote or New York, New York

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Today

Job Role: Senior Application Developer Location: New York City, NY Duration: Long Term Contract Expecting 36 months We do C2C, W2 Project: M&O Services for DSS Application Systems Required Skills: C# ASP.NET Core MVC/Web API Angular 8+ TypeScript Entity Framework Core MS SQL AWS Jenkins/Octopus Azure DevOps Preferred Skills: Senior full-stack application developer for DSS application systems. Requires 8+ years of application development using Angular 8+, ASP.NET Core/MVC/Web API, C#, Entity

Third Party, Contract

$DOE

Senior Application Developer - Charles River Development (CRD)

Camas, Washington

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Today

We are looking for a Senior Application Developer to join our Charles River Development (CRIMS) team within Fisher Investments Technology. You will combine deep business domain expertise with hands?on technical skills using Java, Python, C#, SQL, REST APIs, and CRD\'s own API and automation frameworks. The Opportunity: You will support Charles River?driven workflows across Portfolio Engineering, Optimization, Guidelines, Implementation, Trading, and Trade Operations. You will collaborate with

Full-time

Compensation information provided in the description

Sr. App Developer

Remote

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4d ago

Role: Sr. App DeveloperLocation: Remote Experience:5+ years of professional software development experience in enterprise or high-growth tech environments.Front-End Mastery: Strong proficiency in modern React.js (Hooks, State Management, TypeScript, Next.js or Vite ecosystem).Back-End Expertise: Deep experience building APIs and microservices in Python (FastAPI, Flask, or Django).AI & LLM Integration:Hands-on experience integrating LLM APIs (OpenAI, Anthropic Claude, open-source models).Hands-on

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Contract

Depends on Experience

Senior Application Developer - ERP

Atlanta, Georgia

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Today

Cargill is committed to providing food and agricultural solutions to nourish the world in a safe, responsible, and sustainable way. Sitting at the heart of the supply chain, we partner with farmers and customers to source, make and deliver products that are vital for living. Our 155,000 team members innovate with purpose, providing customers with life?s essentials so businesses can grow, communities prosper, and consumers live well. With over 160 years of experience as a family company, we look

Full-time

Senior Application Developer

Philadelphia, Pennsylvania

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Today

Senior Application Developer / Technical Lead Position Summary We are seeking an experienced Senior Application Developer / Technical Lead to provide technical leadership and hands-on development across a portfolio of enterprise customer service applications. This is a contract-to-hire opportunity for a senior full-stack developer who can manage multiple applications, lead technical initiatives, and collaborate effectively with both onshore and offshore development resources. The role will have

Full-time

USD 60.00 - 65.00 per hour

Senior Application Developer

Germantown, Maryland

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Today

KeyLogic is seeking a Senior Application Developer to join our growing team supporting the Department of Energy in Germantown, MD. This position supports a federal contract which requires U.S. Citizenship and candidates will need to undergo a federal background suitability check to secure building access. This position is on-site in Germantown, MD. Position Responsibilities: Plans, designs and supports migrations of Jira and Confluence to Atlassian Cloud Provides Identity Management Expertise,

Full-time

USD 110,000.00 - 140,000.00 per year