Back End Software Engineer Jobs in Philadephia, PA

Refine Results
141 - 160 of 204 Jobs

Senior JavaScript Developer

Randstad - Torc

Remote

Contract

We are looking for a Senior JavaScript Developer to join our dynamic team. As a key contributor, you will be responsible for designing, developing, and maintaining scalable and high-performance web applications. You will work with modern frameworks, APIs, and cloud-based services to deliver top-tier software solutions. ResponsibilitiesDesign, develop, and optimize web applications using JavaScript, TypeScript, and modern frameworks (React, Angular, Vue.js).Build and maintain scalable, reusable,

UI Angular Developer (AVP) - Hybrid

Citi

Remote or Tampa, Florida, USA

Full-time

The Institutional Data Platform team is responsible for the Olympus platform to streamline data sources across Service, Markets, Banking and Client enabling industry leading analytics, client, regulatory, surveillance supervisory risk and finance reporting and data science solutions along with genesis platform. The UI Angular Developer (Applications Development Senior Programmer Analyst - C12) is an intermediate level position responsible for participation in the establishment and implementatio

.Net Backend Architect

Photon

Remote

Contract, Third Party

.Net Backend Architect Remote We are seeking a seasoned Backend Architect with deep expertise in regulated financial systems, trading platforms, and end-to-end trading infrastructure to lead the architecture and backend development of a greenfield Futures Commodity Commissions Market (FCM) platform. This product will power a federally regulated sports prediction market, akin to Robinhood s financial trading model, requiring full compliance with CFTC and NFA regulations. You will design, architec

Java FSD with AWS- Wilmington, DE

ProCorp Systems Inc.

Wilmington, Delaware, USA

Contract, Third Party

Title: Java FSD with AWS Location: Wilmington, DE- Onsite Must have skills: Java, Rest API & Microservices, AWS Java FSD with AWS An FSD/FSPE has an end to end product mindset - design, implementation, testing and deployment, and adds an additional skill (s) on top of traditional front/back-end developer role Design and developer application using Core Java Design and developer application using J2EE. Experience in J2EE design patterns Create/consume Rest APIs & Microservices Experience with

Agile Delivery Lead (Cyber Security): Charlotte, NC: Hybrid

NodeLogix

Remote or Charlotte, North Carolina, USA

Contract

Pays $60/hr ON W2 Til: 12/2025: Potential extensions W2: EAD 3 DAYS ** Experience leading API development/backend API Developer ** Jira/Confluence; ** Fluent in Agile; ** Lead technologist; ** Execute vision/delivery of vision; ** Strong Product Manager ** Understanding of cyber security centers. ** Demonstrated ability to work on multiple complex projects in a matrixed environment; ** Demonstrated ability to build strong relationships; ** Critical thinking. ** Attention to detail/detail orien

Full Stack Developer

Maximus, Inc.

Remote

Full-time

Description & Requirements Provides subject matter proficiency for work described in the task. Responsible for providing analytical skills to support process improvement, specialized studies, and definition of requirements. Typical duties include analysis, planning, developing requirements documents, building functional models, developing procedures, developing functional architectures, and other related management and technical duties. Requires expertise in specialty areas. Back-End Software D

UI Developer - W2 Contract

Integrass

New Castle, Delaware, USA

Contract

Research, design, develop and release/maintain: User interface, Data analysis, Instrument control software for thermal analysis, rheological, and calorimetric instruments.Work within a formal development process covering the full development lifecycle.Provide code and supporting documentation in accordance with the coding guidelines, quality processes and applicable procedures, including team's definition of done.Keep a pro-active attitude to ensure continuous improvement of the software quality

PLSQL Developer

Ohm Systems, Inc

Philadelphia, Pennsylvania, USA

Contract

Summary Oracle PL/SQL developer to create back-end software.This developer will work on existing mission critical applications.In this role, the developer must be able to interpret business requirement documents, write functional code and unit test. Additionally, the developer will be required to fix defects in legacy code.The developer should be a team player and excellent communicator and must be able to work with source control on multiple simultaneous branches.Responsibilities Participate in

.NET Backend Developer

Neo Prism Solutions, LLC

Remote

Contract

Job Title: .NET Backend Developer with Azure Job Description: We are looking for a .NET Backend Developer with experience in Microsoft Azure. The candidate should be skilled in C#, .NET Core, and building APIs. Experience with Azure services like App Services,

Senior Member of Technical Staff - Backend Dev - Remote

Oracle Corporation

Remote

Full-time

Job Description As a Senior Member of Technical Staff, you will be a key contributor to the development and success of our next-generation CDA platform, which leverages the power of generative AI and cloud-native technologies. Your expertise in data platform engineering will drive the creation of a robust and intelligent system, enhancing the healthcare experience for patients and clinicians alike. Responsibilities: Design and implementation of the CDA data platform, ensuring it is scalable,

Staff iOS Engineer, Banking Mobile

Block Inc

California, USA

Full-time

Since we opened our doors in 2009, the world of commerce has evolved immensely, and so has Square. After enabling anyone to take payments and never miss a sale, we saw sellers stymied by disparate, outmoded products and tools that wouldn't work together. So we expanded into software and started building integrated, omnichannel solutions - to help sellers sell online, manage inventory, offer buy now, pay later functionality, book appointments, engage loyal buyers, and hire and pay staff. Across

Backend Developer: Data

USG Corporation

Remote or Chicago, Illinois, USA

Full-time

BACKEND DEVELOPER: DATA (PRODUCT INFORMATION) OUR DIGITAL CUSTOMER EXPERIENCE JOURNEY Capability transformation USG is evolving its digital customer experience and translating the objective of being easiest to do business with into a sustainable technology roadmap. The digital transformation includes upgrading our technology stack and augmenting our teams, developing new digital platforms, and integrating a best-in-class eCommerce operating model to deliver exceptional customer experience fro

Senior Golang Developer

Reliable Software Resources

Remote

Contract

Senior Backend Engineer (10+ years) Remote 6+ months Skills: Expertise in Go, Typescript, node.JS Proficiency in designing efficient GraphQL API's and microservices for low latency and high availability system Strong experience with MySQL Experience in cloud environments (AWS & Google Cloud Platform) Experience in Terraform Experience in CloudFormation

Principal Member of Technical Staff - Backend Dev - Remote

Oracle Corporation

Remote

Full-time

Job Description As a Principal Member of Technical Staff, you will be a key contributor to the development and success of our next-generation CDA platform, which leverages the power of generative AI and cloud-native technologies. Your expertise in data platform engineering will drive the creation of a robust and intelligent system, enhancing the healthcare experience for patients and clinicians alike. Responsibilities: Lead the design and implementation of the CDA data platform, ensuring it i

Principal Member of Technical Staff - Backend Developer - Remote

Oracle Corporation

Remote

Full-time

Job Description Are you ready to embark on a journey that will revolutionize healthcare and improve patient outcomes on a global scale? The Oracle Health division is leading the charge in healthcare innovation, and we are seeking an exceptional Principal Member of Technical Staff to join our Clinical Digital Assistant (CDA) team where you will be at the heart of this transformative mission. The Role: As a Principal Member of Technical Staff, you will be a key contributor to the development and

Node.js, developer

IRIS Software, Inc.

Remote

Full-time

We are hiring for Node.js, developer. Title : Node.js, developer Required Skills : Node.js developer, typescript & AWS Location : Fully Remote Please email me your resume at or call Job description Experienced backend developer Expertise in, typescript, Node.js, Proficiency in designing efficient GraphQL APIs & microservices for low latency and high availability systems. Strong experience with MySQL Experience in cloud environments AWS & Google Cloud Platform and Terraform /CloudFormation. Tha

Front End Developer - Contractor

Dimensional Fund Advisors LP

Remote

Full-time

Notes to applicants: Dimensional sees great value from collaborating in our offices and appreciates the benefits of flexibility. Most roles fit our office-first hybrid approach: We are together on our campuses Tuesdays, Wednesdays, and Thursdays and have the choice to work in the office or remotely, depending on what is best for that work day, on Mondays and Fridays. This approach maximizes in-person collaboration and interaction while simultaneously providing flexibility and applies to most rol

Full Stack Angular Engineer

Randstad - Torc

Remote

Contract

Full Stack Angular Engineer - Remote (US Candidates) We are looking for a highly skilled Full Stack Angular Engineer for a full-time contract. This is a 100% remote role with flexibility to collaborate across Central Time (CT) hours. What You ll Do Design, develop, and optimize web applications using Angular for the frontend and modern backend technologies.Collaborate with backend engineers and product teams to build scalable, efficient solutions.Implement best practices in software architecture

Java Backend Developer

SAR TECH LLC

Remote or Sunnyvale, California, USA

Third Party, Contract

Job Title: Java Backend Developer Location: Sunnyvale, CA (Hybrid 2-3 days onsite) Duration: Long-term Contract Rate: $65/hr on C2C Visa: Open to All Visa Types Client: TBD Job Description: We are seeking a talented and experienced Java Backend Developer with strong expertise in building scalable and maintainable microservices using Java and Spring Boot. The ideal candidate should have 7+ years of backend development experience, including designing REST APIs, working with relational and NoSQL d

Senior Back End Java Developer - C12 - IRVING

Citi

Remote or Irving, Texas, USA

Full-time

The Senior Java Back End Developer is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applications systems analysis and programming activities. Responsibilities: Use Core Java, Python, JavaScript, Multi-Threading, Exception Handling, and GoF Pattern to perform applications systems analysis and dev