REST API jobs in Baltimore, MD

Software Engineer 1 - (Python, AI, REST APIs)

Columbia, Maryland

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Today

Software Engineer 1 - (Python, AI, REST APIs) Clearance: TS/SCI - Polygraph required Position ID: 20-16-064-SWE1 Location: Columbia, Maryland Description: We are seeking a Software Engineer I with a focus on AI to support analysts and operators by developing and refining the software that integrates AI capabilities into CNO workflows. In this role, you will integrate diverse data sources and external APIs with MCP tools to enable seamless, scalable system interoperability. You will work under

Full-time

USD 169,000.00 - 207,000.00 per year

Senior Power Platform Developer

Baltimore, Maryland

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2d ago

Company Overview At 4A Consulting, we turn complexity into opportunity. Founded in 2014 and headquartered in Baltimore, MD, we are a women-owned, boutique consulting firm specializing in delivering innovative, data-driven solutions to both the Federal Government and Fortune 500 clients. Our team blends deep industry knowledge with advanced technologies to design tailored strategies that drive measurable and sustainable outcomes. We pride ourselves on an agile, collaborative approach that helps o

Full-time

65 - 70

Sr. Full Stack Developer (React/Node)

Milford Mill, Maryland

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2d ago

Senior Full Stack Developer (Node.js / React.js)Location: Woodlawn, MD (100% Onsite, 5 Days/Week) Clearance Requirement: Must be able to obtain and maintain a Public Trust Clearance Employment Type: Full-Time / Contract About the RoleWe are seeking a highly experienced Senior Full Stack Developer to join a large-scale federal technology program supporting mission-critical enterprise applications. This position is ideal for a hands-on software engineer who excels at designing, developing, and dep

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Contract

$80 - $85

Sr. Automation Architect

Owings Mills, Maryland

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2d ago

Key Required Skills: Strong knowledge of automation testing, Java, Selenium, Cucumber, Gherkin, Selenium, REST API, Parasoft, Agility Position Description: Architect, design, code, and implement next-generation technical solutions using software engineering best practices in the latest technologies.Provide technical support and guidance for the development and maintenance of automation artifacts including the automation framework, grid, and automation scripts.Mentor and train team members on a

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Full-time

100 - 104

Sr. Automation Architect

Woodlawn, Maryland

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2d ago

PLEASE NOTE: IT IS 100 % On site position Woodlawn Selected candidate must be able to obtain and maintain a public trust clearance Selected candidate must be willing to work on-site in Woodlawn, MD 5 days a week KEY REQUIRED SKILLS: Strong knowledge of automation testing, Java, Selenium, Cucumber, Gherkin, Selenium, REST API, Parasoft, Agility POSITION DESCRIPTION:Architect, design, code, and implement next-generation technical solutions using software engineering best practices in the latest te

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Full-time

Depends on Experience

Senior Java Developer with AI and LLM

Woodlawn, Maryland

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Yesterday

PLEASE NOTE: It is a 100% Onsite position. Selected candidate must be able to obtain and maintain a public trust clearance Selected candidate must be willing to work on-site in Woodlawn, MD 5 days a week KEY REQUIRED SKILLS: Senior Software Development background in enterprise software development experience such as an extensive experience designing, developing, and maintaining service-oriented applications and APIs, including Java Spring Boot applications, RESTful web services, integrating and

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Full-time

Depends on Experience

SnapLogic Integration Developer

Remote

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6d ago

SnapLogic Integration Developer Duration :6 months to 1 year 100% remote work Need to support PST time zone Required Skills 38 years of experience in Enterprise Application Integration (EAI). Strong hands-on experience with SnapLogic platform. Experience in developing SnapLogic pipelines and Ultra Pipelines. Strong understanding of REST APIs, SOAP Web Services, JSON, XML, and JDBC. Experience with SQL and relational databases (Oracle, SQL Server, PostgreSQL, MySQL). Knowledge of ETL/ELT concept

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Contract, Third Party

$75 - $85

Software Engineer II - TS/SCI w/poly clearance

Annapolis, Maryland

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Today

CyberTrend's leadership has 40 years of experience in the industry, and the company continues to serve as a technology leader on many defense projects and programs. Formed in 2010, CyberTrend has long-standing partnerships and clients, including partners like AWS and IBM, government agencies, the intelligence community, and defense contractors. We provide talented and exceptionally qualified IT, architectural, system, and software engineering personnel. Requires TS/SCI with Poly Clearance Four

Full-time

Mid-Level Web Developer

Columbia, Maryland

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Today

Belay Technologies has been voted Baltimore Business Journal's (BBJ) Best Places to Work 2026! Belay Technologies is seeking a Web Developer to join our intel team. Candidates should have the following qualifications:TS/SCI Clearance with polygraphEight (8) years of experience as a WD in programs and contracts of similar scope, type, and complexity is required. Twelve (12) years of WD experience may be substituted for a bachelor's degree. Candidates are desired to have the following skills:Soft

Full-time

USD 70,000.00 per year

Senior .NET Technical Lead

Hybrid in Baltimore, Maryland

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8d ago

Job Description The Sr .NET Lead Developer will lead in the delivery and maintenance of mission-critical applications and services that support City Government initiatives. This candidate shall have a strong focus on .NET and Microsoft technologies to join our dynamic development team. The ideal candidate will have extensive experience in designing, developing, and maintaining high-performance applications and will play a key role in driving our software initiatives forward. In addition,experien

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Contract

$50 - $55

Quality Analyst

Remote

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2d ago

Senior Quality Analyst / QA TesterLocation: Remote, USA Experience: 7+ Years Contract: 612 Months Visa: OPT, STEM OPT, (subject to client approval) Job Description: We are seeking an experienced Quality Analyst to ensure software applications meet business requirements and quality standards through comprehensive testing and defect management. Responsibilities Review business requirements and identify test scenarios. Develop test plans, test cases, test scripts, and test data. Perform functiona

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Contract

Depends on Experience

Technical Java Lead

Remote

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Yesterday

Company Profile Blackstraw.ai is an end-to-end technology services company specializing in Artificial Intelligence (AI) and Engineering solutions across Data Science, Data Engineering, LLM/GenAI and LLMOps. Founded in 2018, we help global enterprises across North America, Europe and Asia to build and operationalize AI systems that create measurable business impact. Our mission is to make AI adoption simpler, faster and scalable through a blend of deep domain expertise, reusable accelerators and

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Full-time

Depends on Experience

Java Developer

Remote

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7d ago

Job Title : Junior & mid level Java developer Role: Java Developer Experience: 4-7 Years Employment Type: Contract Job Location: Remote Job Description: We are looking for a Junior Java Developer with 4-7 years of experience to join our development team. The ideal candidate should have hands-on experience in Java, Spring Boot, Microservices, and Angular, with a passion for building scalable and high-quality applications. Key Responsibilities: * Develop and maintain Java-based applications usi

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Contract

Depends on Experience

Mulesoft Developer

Remote or Aurora, Illinois

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Today

Job Title : MuleSoft Developer Duration : Long Term Contract Location : Remote Primary Skill: MuleSoft Job Description Mulesoft Developer with extensive experience in integrating with REST APIs provided by 3rd party systems using standard HTTP connectors. Also experience working with financial and workflow systems would be helpful. Permit experience ideal (CEQ accelerator preference)

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Third Party, Contract

Senior Programmer (C# .Net)

Remote or Hybrid in Los Angeles, California

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Today

Job Title: Senior C# .NET Developer Remote Duration: 12 Months Skills Required The Senior Programmer will possess knowledge and experience in applications software development principles and methods sufficient to participate in the design, development, testing and implementation of new or modified applications software; operating systems installation and configuration procedures; organization's operational environment; software design principles, methods and approaches; principles, methods and

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Contract, Third Party

Lead .NET Developer - Salesforce Integration

Remote

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7d ago

Role: Lead .NET Developer - Salesforce Integration Location: Remote Duration: 6 Months Overview: We are seeking a hands-on Lead .NET Developer to build applications and integrations across Salesforce, internal platforms, and third-party systems. The ideal candidate has strong software engineering fundamentals and experience delivering reliable integrations in production. Key responsibilities Design and develop applications, services, and APIs using C# and .NET. Build integrations between Sa

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Contract, Third Party

$50 - $55

Mid-Level Full Stack Developer

Remote

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23d ago

Mid-Level Full Stack Engineer, Remote NO THIRD PARTY RECRUITERS Contract; Potential Contract to Hire100% Remote Must be able to obtain a US Federal government client badge and pass a government background investigation.NO THIRD PARTY RECRUITERS PLEASE! CANDIDATES MUST BE SELF-REPRESENTED.Description We are seekinga Mid-Level Full Stack Engineer to help build, enhance, and support cloud-based applications and data solutions across the front end, back end, and database layers. Working closely wit

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Contract

Depends on Experience

Jr. Systems Engineer (FTE)

Jessup, Maryland

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3d ago

Role: Jr. Systems EngineerLocation: Annapolis Junction, MD (Onsite) Employment Type: Full-Time, Direct Hire Position Overview:Seeking a Junior Systems Engineer to support the planning, development, testing, and delivery of mission-critical software solutions. This role involves working with government customers, systems engineers, developers, and UX teams to define requirements, coordinate Agile development, and ensure software capabilities meet customer expectations. Key Responsibilities:Gather

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Full-time

Depends on Experience

Senior Java Full Stack Developer with ReactJS Experience-6 Months Contract-Remote opportunity-Direct Customer

Remote

•

Yesterday

Greetings from Accion Labs,Our direct Client is looking for Senior Java Full Stack Developer with ReactJS Experience-6 Months Contract-Remote opportunity-Direct CustomerPrimary Skills : Java, Spring Boot, ReactJS, SQL, Kafka, REST API, AI exposure.Required Qualifications:Bachelor's or Master's degree in Computer Science, Engineering, or a related field.7+ years of professional software development experience, including strong full-stack development experience.Strong hands-on proficiency in Java

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Third Party, Contract

Depends on Experience

Boomi developer

Remote

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7d ago

Exp range to 5-8 Must-Have Skills BOOMI development and Solution design Strong Experience in MW BoomiStrong experience in Google Apigee API Platform (Edge/X), including API proxy development, API products, developer portals, and API lifecycle management and KAFKA.Hands-on expertise in designing, developing, securing, and deploying RESTful APIs and SOAP services, with strong knowledge of JSON, XML, OpenAPI/Swagger, and web service standards.Hands-on expertise with middleware and file transfer

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Contract

Depends on Experience

REST API jobs in Baltimore, MD, USA