Senior Software Engineer Jobs in Washington

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2,341 - 2,360 of 2,770 Jobs

Sr IOS Developer

SES

•

Remote

Full-time

Sr IOS Developer Type: W2 With Benefits - No C2C Top 5 Technical Skills: Strong understanding of Swift, Objective-C, Xcode, iOS SDKs, and other related tools and technologies Experience with mobile application architecture and design patterns (e.g., MVC, MVVM) Proficient with Swift, SwiftUI, UIKit Experience with RESTful APIs to connect iOS applications to back-end services A solid understanding of Apple s design principles and interface guidelines Work efficiently with the iOS SDK, REST, JSON
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Posted 2 hours ago

Principal Engineer

McKesson Corporation

•

Texas, USA

Full-time

McKesson is an impact-driven, Fortune 10 company that touches virtually every aspect of healthcare. We are known for delivering insights, products, and services that make quality care more accessible and affordable. Here, we focus on the health, happiness, and well-being of you and those we serve - we care. What you do at McKesson matters. We foster a culture where you can grow, make an impact, and are empowered to bring new ideas. Together, we thrive as we shape the future of health for patien
Posted 45 days ago | Updated 3 hours ago

Senior Salesforce Developer

Kentro

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US

Full-time

Description Thank you for considering IT Concepts dba Kentro, where innovation drives opportunity and collaboration leads to success. Our dynamic community of experts is fully committed to advancing our customers' missions, fostering professional growth, and making a positive impact on our communities. Our transition to Kentro in 2025 reflects a rich legacy built upon the foundation of IT Concepts. Rather than leaving ITC behind, we confidently embrace a future centered around the Core of More
Posted 1 day ago | Updated moments ago

Senior Snowflake Developer

Fint Solutions Inc

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Remote

Contract

10+ years of experience is required Data warehousing solutions on Oracle, Teradata, DB2 etc.Snowflake internals and integration with other data processing technologiesCreation of data ingestion pipelines with tools like Informatica, Talend etc.Cloud computing experience with AWS, Microsoft Azure, Google CloudKnowledge of SQL and complex query writingUnderstanding of data compliance and necessary security protocolsData lakes, data structures and data models suited to Snowflake architectureETL pro
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Posted 1 day ago

Lead Integration Engineer

Prutech Solutions

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Remote

Contract

Role: Lead Integration Engineer Location: NYC - Remote Duration: 18+ Months Description: We are seeking a highly skilled Integrations Lead with a deep understanding of SQL Server, including complex Triggers, Stored Procedures, and Performance Tuning. The ideal candidate will also bring hands-on experience with SSIS (SQL Server Integration Services) and Message Queuing systems (e.g., IBM MQ, RabbitMQ, Azure Service Bus) to manage and lead enterprise-level integration projects. The role demands
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Posted 1 day ago

Principal Communications Engineer

Draper

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Remote or Cambridge, Massachusetts, USA

Full-time

Overview: Draper is an independent, nonprofit research and development company headquartered in Cambridge, MA. The 2,000+ employees of Draper tackle important national challenges with a promise of delivering successful and usable solutions. From military defense and space exploration to biomedical engineering, lives often depend on the solutions we provide. Our multidisciplinary teams of engineers and scientists work in a collaborative environment that inspires the cross-fertilization of ideas
Posted 57 days ago | Updated 3 hours ago

Senior .Net Full Stack Developer / .Net Architect

Maagsoft Inc.

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Remote or New York, USA

Full-time, Part-time, Third Party, Contract

Job Title: Senior .Net Full Stack Developer / .Net Architect Location : New York (Hybrid) Qualifications: 5-10 years of developing and delivering highly available enterprise web applications Experience developing full stack applications using C# (.Net core), Vuejs NodeJS, JavaScript, TypeScript, or relevant technology. Strong experience with Oauth 2.0 and OpenID connect frameworks. Experience with JSON and parsing FHIR objects, basic knowledge of the FHIR standard, and familiarity with Visua
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Posted 7 days ago | Updated 4 hours ago

Mainframe Programmer

Charter Global, Inc.

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Remote or Atlanta, Georgia, USA

Contract

Job Title: Sr. Mainframe Programmer Analyst Location: Atlanta, GA 30334 (Hybrid) Duration: 12 months+ contract Skill Required / Desired Amount of Experience Mainframe development Required Years Expert knowledge of COBOL, JCL, CICS, DB2, VSAM and other mainframe technologies Required Years Expert knowledge of DB2 Utilities (QMF and SPUFI) Required Years Strong knowledge of IBM Utilities such as IEBGENER, IDCAMS, ICETOOL, DEBUGGER(CICS and Batch), FILE MANAGER, SORT, Fault Analyzer Required Years
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Posted 6 days ago | Updated 1 day ago

Machine Learning Engineer

Johns Hopkins University AppliedPhysicsLaboratory

•

Laurel, Maryland, USA

Full-time

Description Do you have demonstrated machine learning experience and want to apply that experience to solving a wide variety of complex problems in this rapidly evolving field? Do you thrive in a collaborative research environment, working alongside an energetic, multidisciplinary team of scientists and engineers? Are you ready to help the US secure and maintain leadership in the development and deployment of AI/ML algorithms for non-kinetic defense systems? If so, we 're looking for someone
Posted 4 days ago | Updated 3 hours ago

Platform Engineer - Technical Lead

Leidos

•

Glenn Dale, Maryland, USA

Full-time

Job DescriptionDescription Leidos is looking for a Platform Engineer - Technical Lead to support a large program within a Federal Law Enforcement Agency. The Platform Engineer Technical Lead will oversee the design, development, and maintenance of enterprise-grade platform solutions. This includes managing cloud infrastructure, on-premise environments, and containerized applications. As a subject-matter expert (SME), you will be responsible for implementing best practices, optimizing performance
Posted 19 days ago | Updated 1 hour ago

Full Stack Java Developer

Yom Solutions LLC

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Remote

Contract

Job Title: Full Stack Java Developer Location: Remote Duration: 12 Months Job Description: We are looking for an experienced Full Stack Developer with strong expertise in React.js, Micro Frontend architecture, and modern cloud-native technologies, especially within the AWS ecosystem. This role requires a hands-on engineer who can design, build, and maintain scalable, resilient, and modular web applications using a mix of frontend and backend technologies including Node.js or TypeScript, Python o
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Posted 18 days ago | Updated 16 hours ago

Test Engineer

PANGIAM a BigBear.ai Company

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Columbia, Maryland, USA

Full-time

BigBear.ai is seeking a Senior Test Engineer to Analyzes system requirements and concept of operations documents, acquisition plans, and system descriptions to develop evaluation and test plans and procedures, prepare for and conduct the data collection and analysis, and report status and results. Supports the development of Government test and evaluation documentation e.g., Test & Evaluation (T&E) Strategy, Test & Evaluation Master Plan, Event Test Plans, Test Readiness Assessments, and T&E Rep
Posted 1 day ago

Junior to Mid Level SQL Developer

Find Great People

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Remote

Contract

No Agencies Junior to Mid Level SQL Developer (REMOTE) Key Duties: Build and maintain data-driven reports using SQL, supporting various teams with accurate insights and performance tracking.Collaborate with internal partners to understand needs for new reporting tools or updates to existing ones.Analyze requirements and suggest practical reporting solutions that meet business goals.Work alongside analysts and process owners to design, test, and deploy reports through the established release proc
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Posted 28 days ago | Updated 28 days ago

Senior Data Warehousing Programmer

Zolon Tech Solutions Inc

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Remote

Contract, Third Party

Note: A minimum of ten (10) years experience in software development Job Description: All work and duties are focused on development and maintenance of applications providing ETL services in support of the Postal Data Asset Services group. - Ab Initio ETL Coding in GDE - Ab Initio Metadata Hub Lineage - Ab Initio TRMC - ANSI SQL and Teradata SQL extensions - Teradata SQL Assistant (a.k.a. QueryMan) for EDS Support - Teradata Utilities for EDS Support: - BTEQ - FastLoad - MultiLoad - FastExport -
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Posted 5 days ago | Updated 23 hours ago

Mid-Level .Net Developer - NO C2C

Intellisoft Technologies

•

Remote

Contract

No C2C 8 Only 4-5 yrs exp required ( .Net, ,React and content management system) Job Title: Mid-level Front-End Developer Location: Remote - only local to Dallas, TX Duration: Long term Must have: .NET Core, any CMS platform, React JS Exp: 5+ yrs exp required No c2c Key Responsibilities: Develop and maintain responsive, user-friendly web interfaces using React, Vue, Redux, HTML, CSS (SASS/SCSS), and Bootstrap.The ideal candidate will have a strong foundation in modern front-end technologies, exp
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Posted 21 hours ago

COBOL Developer

Zolon Tech Solutions Inc

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Remote

Contract, Third Party

Job Description: We are looking for an experienced COBOL developer to help us code, test, research existing processes to meet the timeline for this project. Project was initiated by the Rural Route Optimization team, with an aggressive timeline. Skillet: 10+ years experience with COBOL & DB2. Experience with Changeman to create packages and promote code. Ability to scan libraries to find instances of key words / phrases to help research issues. May lead project teams within assigned unit develo
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Posted 22 hours ago

Field Service Engineer 1 - Northern VA and DC

GE Healthcare

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Remote

Full-time

Job Description Summary The Field Engineer I performs on time and accurate Preventative Maintenance in one or more modalities of equipment. The FE1 is aware of and follows all Field Modification Instructions and/or Instrument Service Information bulletins. Works with experienced Field Engineers, both onsite and remotely, to learn troubleshooting, repair and equipment installation techniques. Responsible for driving customer satisfaction through Service Excellence. Job Description Responsibiliti
Posted 60+ days ago | Updated 3 hours ago

Platform Engineer - Technical Lead

Leidos

•

Fort Washington, Maryland, USA

Full-time

Job DescriptionDescription Leidos is looking for a Platform Engineer - Technical Lead to support a large program within a Federal Law Enforcement Agency. The Platform Engineer Technical Lead will oversee the design, development, and maintenance of enterprise-grade platform solutions. This includes managing cloud infrastructure, on-premise environments, and containerized applications. As a subject-matter expert (SME), you will be responsible for implementing best practices, optimizing performance
Posted 19 days ago | Updated 1 day ago

Senior App Developer

Kforce Technology Staffing

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Remote or Dallas, Texas, USA

Third Party, Contract

RESPONSIBILITIES: Kforce has a client in Dallas, TX that is seeking a Senior App Developer. Responsibilities: * Provide expertise in the following technologies: HTML, CSS, JavaScript, AJAX, jQuery, XML, Oracle SQL and PL/SQL * Closely track project milestones and timelines for associated IT initiatives * Control and manage the scope of project-related activities * Ensure rapid project issue escalation and resolution as needed * Support/document weekly project updates * Ensure IT policies, proce
Posted 6 days ago | Updated 1 hour ago

Lead Monitoring Engineer

Mindlance

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Remote

Contract

Lead Monitoring Engineer Location - Washington, District of Columbia Duration: 9 months contract Job Description About the project: This initiative focuses on migrating infrastructure from Go-Cloud to AWS, with Datadog being implemented as the primary monitoring and observability platform. Client is currently in the process of replacing AppDynamics with Datadog and has already completed the migration of SolarWinds and Nagios monitoring capabilities into Datadog. In parallel, they are migrating a
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Posted 6 days ago