RESTful jobs in Philadephia, PA

Senior API Migration Engineer (REST APIs - Cloud Migration)

Remote or Almont, Colorado

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Today

Description: Remote Our client seeks a Senior API Migration Engineer to lead the migration, validation, and optimization of REST APIs from on-prem Exadata to Oracle Database in the cloud. The role focuses on compatibility remediation, authentication alignment, performance tuning, and end-to-end validation using tools such as Postman or Insomnia. The engineer will coordinate with IT teams on migration strategy, testing cycles, and release readiness while maintaining reliability and security sta

Contract

USD 65.00 - 75.00 per hour

Portal/REACT Developer

Hybrid in Philadelphia, Pennsylvania

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10d ago

Description of Duties Build, optimize, and maintain user interfaces using React.js, JavaScript/TypeScript, HTML5, and CSS3 languages, ensuring responsive design and cross-browser compatibility. Develop modular, reusable components and User Interface (UI) libraries that adhere to best practices and design guidelines. Work closely with backend teams to consume Representational State Transfer (RESTful) and GraphQL Application Programming Interfaces (APIs), ensuring efficient data flow and seamles

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Contract

55 - 65

Azure Cloud Solutions Engineer

Hybrid in King of Prussia, Pennsylvania

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16d ago

MUST WORK ON SITE 3 days/week in the King of Prussia, PA area NO AGENCY, VISA or THIRD PARTY CANDIDATES Seeking a senior-level Cloud Solutions Engineer to lead the design, implementation, and ongoing optimization of secure, scalable, and highly available cloud solutions on Azure. This role is responsible for the full lifecycle of cloud engineering initiatives, from requirements gathering and technical design through infrastructure provisioning, deployment, post-launch stabilization, and performa

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Full-time

Depends on Experience

Software Engineer

Hybrid in Camden, New Jersey

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23d ago

Summary We''re looking for a mid-level Software Engineer who enjoys building the connective tissue between systems, APIs, cloud services, data pipelines, and customer-facing experiences. This role sits at the intersection of IT and Marketing, supporting platforms like Adobe Campaign, ERG, and CRM, and loyalty systems while helping shape our modern cloud architecture on AWS. If you''re the type of engineer who likes designing clean APIs and integrations, tightening CI/CD pipelines, optimizing SQL

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Full-time, Third Party, Contract

Depends on Experience

Java Fullstack Developer

Wilmington, Delaware

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6d ago

Full Stack Java Developer Work Arrangement : Onsite Location : Wilmington, DE / Columbus, Ohio 4 - 9 years of hands-on experience with Java development Strong experience with Spring / Spring Boot and RESTful APIs Experience with relational databases (e.g., SQL, PostgreSQL) Familiarity with cloud platforms (AWS) or on-prem enterprise systems Develop APIs (microservice architecture) from scratch. Hands-on development expertise in Java and related frameworks Knowledge of web development and RESTfu

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Contract

Depends on Experience

Android Developer

Philadelphia, Pennsylvania

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Today

My client is an innovative Fintech company based in Philadelphia. They have a longstanding positive reputation and brand in the mobile payments space. Top notch benefits and stability! This Jobot Job is hosted by: Alex Dickinson Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $100,000 - $140,000 per year A bit about us: This is a fintech company that focuses on payment integration and security. This role will work heavily in their devices a

Full-time

USD 100,000.00 - 140,000.00 per year

Senior Microservices Developer/New Jersey/Hybrid/$130k

Willingboro, New Jersey

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Today

A large, ecommerce company, is adding a Senior developer to their team in Southern New Jersey. The company buys and sells mechanical parts to growing foundations and they need a developer to break down their monolithic application into microservices. Candidates should have strong experience building RESTful web services and APIs within C#/.NET web applications. Additional experience building frontend components with JavaScript, Typescript and React are pluses for this role. This is a great oppor

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Full-time

$115000 - $130000

.NET Technical Lead developer

King of Prussia, Pennsylvania

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Today

Job Title: .NET Technical Lead developer Location: king of Prussia PA (onsite) Duration: 12+Months Mode of client interview: face to face at client office Required Skills: 12+ yearsof professional experience as a Full Stack Developer.Strong hands-on experience with .NET Core / Core, C#, and Web API development.Proficiency in js, JavaScript (ES6+), HTML5, and CSS3.Experience with SQL Serverand relational database design.Strong understanding of object-oriented programming (OOP)and design patterns

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Contract, Third Party

Depends on Experience

Computing Infrastructure Engineer Sr

Mount Laurel Township, New Jersey

•

Today

Job Description What We're Doing As a part of the Lockheed Martin community, we take on challenges and find solutions using creativity and collaboration. If you're looking to be a part of a passionate team solving these complex problems, then Rotary and Mission Systems is the place for you. The Work In your role as a Senior Computing Infrastructure Engineer, you will: Engage in full stack DevSecOps developer activities Apply automation tools and technologies in a CI/CD pipeline, to improve spe

Full-time

USD 91,000.00 - 172,488.00 per year

CMS Sanity Backend Engineer

Philadelphia, Pennsylvania

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Today

TEKsystems is looking for a Backend Engineer or Architect with experience with a CMS migration to Sanity.io. This is a remote contract opportunity through the end of 2026. The rate is open to $85/hr - $90/hr for the right candidate. Role Overview We are looking for a Principal Backend Engineer to help guide the technical evolution of our omnichannel digital commerce platforms, with a specific focus on our Content Management System (CMS) strategy. In this role, you will bridge the gap between tra

Full-time

USD 85.00 - 90.00 per hour

Sr. Software Engineer

Camden, New Jersey

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Today

Description We are looking for a Senior Software Engineer to help build and enhance scalable products. This role focuses on front-end development while also contributing to service-layer engineering, shared architecture decisions, and cross-functional delivery. The ideal candidate brings deep experience with modern JavaScript frameworks, strong backend proficiency, and a collaborative approach to quality, performance, and engineering excellence. Responsibilities: Shape technical design decision

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Full-time

USD 90,000.00 - 125,000.00 per year

Systems Engineer (Computing Infrastructure) - Early Career

Mount Laurel Township, New Jersey

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Today

Job Description By bringing together people that use their passion for purposeful innovation, at Lockheed Martin we keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work. With our employees as our priority, we provide diverse career opportunities designed to propel development and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our em

Full-time

USD 61,500.00 - 110,909.00 per year

Senior DevOps Engineer

Hybrid in Moorestown, New Jersey

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Today

Job Number: R0236058 DevOps Engineer, Senior The Opportunity: As a DevOps Engineer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you're looking for the chance to not just develop sof t war e, but to create a system that will make a difference, we need you on our team. We're looking for an experience d developer like you with the skills needed to develop sof t war e and systems from vision to production ready. This role is more than just coding.

Full-time

USD 77,600.00 - 176,000.00 per year

Full Stack Software Engineer Senior - Top Secret Clearance

King of Prussia, Pennsylvania

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Today

Job Description Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We're creating future-ready solutio

Full-time

USD 93,200.00 - 164,450.00 per year

Full Stack Developer - Intermediate

Wilmington, Delaware

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Today

Location: Wilmington, DE Description: Software Engineer - Java Developer 6 Month Contract to Hire Fully onsite in Wilmington, DE 19803 Only candidates who can convert Full Time without sponsorship will be considered About the Role As a Software Engineer, you will design, develop, and maintain scalable, reliable systems that power business-critical applications. You will work in cross-functional teams to solve complex technical problems, improve system performance, and continuously enhance p

Contract

Microsft Fabric Data Engineer

Remote

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Today

Title: Microsft Fabric Data Engineer Duration: 06-month contact Location: Remote Candidates Must Have must have strong hands-on experience with Microsoft Fabric, Python/PySpark notebook development, SQL Server, REST API ingestion, and Azure DevOps or GitHub for source control and deployment WHAT YOU WILL DO:Design and implement data pipelines in Microsoft Fabric to ingest data from SQL Server databases, REST APIs, and other enterprise source systemsBuild and maintain a medallion architecture

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Contract

$61 - $67

Java J2EE Developer

Wilmington, Delaware

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Today

Location: Wilmington, DE Salary: Depends on Experience Description: Java Developer (Contract to Hire) Location: Wilmington, DE Engagement Type: Contract to Hire Pay Rate: $50 - 65/hour Minimum Qualifications Bachelor's degree or equivalent practical experience.Strong experience developing applications using Java and Spring Boot.Experience designing and building RESTful APIs and backend services.Hands-on experience with cloud-native application development (e.g., AWS).Experience working with

Contract

USD 50.00 - 65.00 per hour

Lead Software Engineer - C# / .Net

Remote or Wilmington, Delaware

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Today

This is a highly visible Lead Software Engineer role supporting a core loan agency technology ecosystem during a period of significant modernization. In this role, you'll help rebuild and standardize integrations around a critical vendor platform while contributing at both the hands-on engineering and technical leadership levels. You'll partner closely with peers and stakeholders to modernize a complex, long-standing environment-upgrading core platforms, redesigning integrations, and applying c

Full-time

USD 128,100.00 - 213,500.00 per year

Associate Manager, Software Engineer

Camden, New Jersey

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Today

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 is the Trus

Full-time

USD 132,000.00 - 189,000.00 per year

Java Developer

Remote

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2d ago

Job Title: Java Developer Location: St Louis, MO Remote - But 3 days in office will be the first preference. Duration: 6-12 months Detail Job Description Mandatory skills are marked in Green, pls don t submit resumes without these skills Pls share c2c rate, contact info, current location, along with the linkedin POSITION SUMMARY 10+ yrs exp, atleast 3 years onsite experience, Mandatory Skills: 10+ years of hands-on software engineering experienceExcellent hands-on experience in JavaExperience

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Contract

Depends on Experience

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RESTful jobs in Philadelphia, PA, USA