Backend Software Developer Jobs in Philadephia, PA

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AI Engineer Lead Consultant

Allstate Insurance Company

Illinois, USA

Full-time

At Allstate, great things happen when our people work together to protect families and their belongings from life's uncertainties. And for more than 90 years our innovative drive has kept us a step ahead of our customers' evolving needs. From advocating for seat belts, air bags and graduated driving laws, to being an industry leader in pricing sophistication, telematics, and, more recently, device and identity protection. Job Description We are seeking a passionate and skilled Lead Backend Devel

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

UI Developer

Judge Group, Inc.

Malvern, Pennsylvania, USA

Contract

Location: Malvern, PA Description: Our large, FINTECH client is currently seeking a Senior UI Developer (Contract/Hybrid) to work a hybrid schedule in its Malvern, PA location. UI Development Build scalable, modular interfaces using Angular v17+ and integrate with backend services using NestJS.Work closely with the product owner and backend developers throughout feature development.Focusing on reliability, scalability, and client satisfaction during the feature delivery process.Performance &

Senior Backend Engineer

SUNRAY INFORMATICS

Remote

Contract, Third Party

Role : Senior Backend Engineer Location: Pittsburgh, PA Duration: 12+ Months MOI : Telephonic & Skype Primary Skills: NODE.JS, Google Cloud Platform, TYPESCRIPT, FINANCE Need Candidates with a Minimum of 12 Years of Experience. This is a 100% Remote role. Candidates must have experience with Node.js, OAuth2, Google Cloud Platform, and TypeScript in recent projects. Note: Client Manager is considering a Backend NodeJS Developer with .NET Projects Only. Candidates' roles need to be as a Backend

P25-231186 - Software Engineer III

FedEx Office

Remote or Memphis, Tennessee, USA

Full-time

About FedEx Dataworks: Born out of FedEx, a pioneer that ships nearly 20 million packages a day and manages endless threads of information, FedEx Dataworks is an organization rooted in connecting the physical and digital sides of our network to meet today's needs and address tomorrow's challenges. We are creating opportunities for FedEx, our customers, and the world at large by: Exploring and harnessing data to define and solve true problems Removing barriers between data sets to create new ave

Front End Developer

Beacon Hill

Downingtown, Pennsylvania, USA

Full-time

Location: Hybrid Downingtown, PA (3-4 days in office) Key Responsibilities: Design, develop, and maintain modern, user-friendly UI components using .NET (WinForms, WPF, or MAUI) Integrate C++ modules or libraries with .NET-based UIs using interop or wrappers (e.g., P/Invoke, C++/CLI) Collaborate with UX designers, product managers, and backend developers to deliver cohesive user experiences Optimize performance and responsiveness of UI elements in resource-constrained or high-demand environments

Node.JS Developer

PY DATA, INC.

Remote

Contract

Position: Node.JS Backend Developer Duration: 6+ months Location: 100% Remote Only W2 Consultants Node.JSTypescriptExpressReact - Nice to have.TypescriptAWS.

Sr., Java Developer

OpTech

Remote

Contract

OpTech is seeking for strong Java Developer role for one of their Direct Clients. 100% Remote role. Contract Duration - 5 months. Only W2/No C2C Required Skills: Strong backend Java developer with JDBC/SPRING/SPRINGBOOT/SPRINGBATCH JAVA/J2EE Why work at OpTech? OpTech is a woman-owned company that values your ideas, encourages your growth, and always has your back. When you work at OpTech, not only do you get health and dental benefits on the first day of employment, but you also have training o

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,

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

Python Backend Engineer

Calsoft Labs

Remote

Contract

Job Title: Python Backend Engineer Location: 100% Remote Job Description: We are building a next-generation virtual assistant platform that enables natural and responsive voice and chat-based interactions. The platform integrates with internal and external systems to deliver seamless, real-time user experiences at scale.As part of our growing team, we re looking for a skilled Python Backend Engineer to help us build reliable, high-performance backend systems. Role Overview: This role involves d

.Net Developer

Neo Prism Solutions, LLC

Remote

Contract

Job Title: .Net Backend Developer Location : Dallas, TX (Remote) SKILLS/EXPERIENCE REQUIREMENTS12 - 15 years application development experience with the Microsoft .NET platformStrong .NET Core (C#) experience with Web Services/API's, HTML/CSS (Bootstrap)Demonstrated proficiency with SQL, stored procedures, and database designThorough understanding of object-oriented development (OOD), Domain driven design, including an in-depth knowledge of implementing RESTful, micro services design patterns

Senior Software Engineer - Database

VAST Data

Remote

Full-time

Description VAST Data is looking for a Senior Software Engineer to join our growing team! This is a great opportunity to join one of the fastest-growing infrastructure companies in history, an organization that is in the center of the hurricane being created by the revolution in artificial intelligence. Take part in the design and implementation of the internals of the next-generation hugely scalable and highly performant analytical and vector database. "VAST's data management vision is the f

Frontend Developer with Backbone.js

GTSS Inc

Remote

Contract, Third Party

Title: Frontend Developer with Backbone.js Mode of Work: Remote Role Key Responsibilities:Develop, maintain, and optimize complex Backbone.js-based web applications Write clean, scalable, and modular JavaScript code using Backbone s models, views, collections, and routers Integrate front-end logic with RESTful APIs and third-party services Collaborate with designers, product managers, and backend developers to implement new features Refactor and modernize legacy Backbone code where appropriate

Golang -Backend Engineer

SES

Remote

Contract

Top 5 Technical Skills: Experience using the following Tech Stacks: Golang; Python; and NodeJS Understanding of cryptography, consensus algorithms, and other core concepts of blockchain technology Familiarity with Private Blockchain as well as Public platforms such as Ethereum, Hyperledger, and/or Corda Top 3 Soft Skills: Outstanding Communications Collaboration Proven ability to work with Vendors and External Partners Job Description: The Backend Engineer is responsible for the development and

AWS Developer with Lambda, Node.js, DynamoDB, Genesys Cloud

SidRam Technologies

Remote

Contract

Job Title: AWS Developer (Lambda, Node.js, DynamoDB, Genesys Cloud) Location: Remote Duration: 12+ Months Job Summary: We are looking for an experienced AWS Backend Developer to augment our current team supporting Genesys Cloud integrations. This role involves enhancing and developing serverless applications using AWS Lambda, Node.js, and DynamoDB, with a focus on data transformation and efficient file transfers. Key Responsibilities: Support post-migration integration of Genesys Cloud into the

Senior Software Engineer - Database

VAST Data

Remote or Vancouver, Washington, USA

Full-time

Description VAST Data is looking for a Senior Software Engineer to join our growing team! This is a great opportunity to join one of the fastest-growing infrastructure companies in history, an organization that is in the center of the hurricane being created by the revolution in artificial intelligence. Take part in the design and implementation of the internals of the next-generation hugely scalable and highly performant analytical and vector database. "VAST's data management vision is the f

Senior Java Backend Engineer

EPAM Systems

Remote

Full-time

We are seeking a highly skilled and experienced Senior Java Backend Engineer to join our dynamic team. The ideal candidate will be responsible for designing, developing, and maintaining scalable and efficient backend systems that support our business needs. If you are interested in this opportunity - apply! This position offers remote setup with the flexibility to work from any location in Georgia, whether it's your home, well-equipped offices in Tbilisi and Batumi or a coworking space in Kuta

Angular Developer

Cloudpaths

Remote

Contract

Job Title: Angular Developer Location: Remote Contract role. Job Description: This role will be responsible for designing, developing, and maintaining web applications that facilitate the exchange of financial information. You will work closely with cross-functional teams to ensure the seamless integration of FIX protocols into our applications. RESPONSIBILITIES Develop and maintain responsive web applications using Angular.Implement financial information eXchange (FIX) protocol standards to ena

UI Developer with Vanilla JavaScript 7+ W2

TekVivid

Remote

Contract

Role: UI Developer with Vanilla JavaScript Location: Remote Job Summary: We are seeking a passionate and skilled UI Developer with strong expertise in Vanilla JavaScript to join our front-end development team. The ideal candidate will be responsible for building clean, user-friendly interfaces without relying heavily on frameworks. You should have a deep understanding of HTML, CSS, and core JavaScript. Key Responsibilities: Develop responsive and interactive user interfaces using HTML, CSS, and