Backend Engineer Jobs in Pennsylvania

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Senior Software Engineer (Java/Spring Boot) only W2

TekDallas

Pittsburgh, Pennsylvania, USA

Full-time

Position: Senior Software Engineer (Java/Spring Boot)Work Mode: Hybrid 3 days onsite, 2 days remoteLocations: Pittsburgh, PA 15222 (Preferred) Strongsville, OH 44136 Birmingham, AL 35233 Farmers Branch, TX 75234 Phoenix, AZ 85016 Only W2 Looking for a senior back-end engineer with 10+ years in Java, Spring Boot, Microservices, Kafka, SQL, and Oracle. Strong coding, deployment, and problem-solving skills required. Experience with Debt Manager is a plus. Bachelor's degree is mandatory.

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

API Engineer

Kforce Technology Staffing

Remote or Brooklyn, New York, USA

Contract

RESPONSIBILITIES: Kforce has a client that is seeking an API Engineer in Brooklyn, NY. Summary: We're looking for a skilled Backend Engineer to support the development of mobile shopping experiences. This role focuses on backend/API development and will be part of a cross-functional team that includes product managers, designers, mobile app engineers, and backend developers. Responsibilities: * Design and maintain backend services that power mobile applications * Collaborate with iOS and Andro

Java backend Developer

AGM Tech Solutions, LLC

Pittsburgh, Pennsylvania, USA

Contract

Java Backend Developer Pittsburgh, PA (hybrid) Strong Banking and finance experience required Must-Haves: JavaOracleSQLShell Scripting ETL Informatica

BE Crypto Software Engineer

Russell, Tobin & Associates

Remote

Contract

Job Title: Crypto Software Engineer Location: Remote California Duration: 6 Months plus Pay Range: $58/hr-$65/hr on W2 JOB DESCRIPTION Join the User Economy team in this contractor role, working on an exciting initiative that enables users to earn money through various company products such as Awards, Premium, Collectible Avatars, and more. We're redefining how users engage with and monetize their contributions, shaping the future of the company's creator ecosystem. We are specifically hiring a

Software Engineer(Java / Spring Boot)

High Bridge Consulting

Remote

Contract

Our client is a Fortune 500 financial and payments technology company, and leads the industry in innovation, scale, and service. They are now looking to add to their team and are looking to hire a "Software Engineer . This role will be based in Columbus, GA, and is 100% Remote. Responsibilities: Works throughout the software development life cycle and performs in a utility capacity to create, design, code, debug, maintain, test, implement and validate applications with a broad understanding of

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

UI Developer @ looking for only W2

Globex IT Solutions INC

Malvern, Pennsylvania, USA

Contract

Title: UI Developer Location: Malvern, PADuration: Long term Job Description: 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 & Observability:Implement observability best practices using OpenTelemetry to monitor UI performance, user interactions

Backend Developer (Python, Airflow, StarRocks) - Remote

FlairTech Solutions

Remote

Third Party, Contract

Role: Backend Developer (Python, GraphQL,Microservices) Location: Remote Lead or assist with refactoring legacy code for compatibility with the new StarRocks backend. Implement and maintain GraphQL endpoints that integrate with the new architecture. Write, optimize, and migrate SQL logic from MySQL to StarRocks. Collaborate cross-functionally (no silos); ability to plug in quickly and support various engineering functions as needed. Write tools and scripts for performance/load testing when neede

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

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

React Developer

Stellar IT Solutions

Remote or Ann Arbor, Michigan, USA

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

Job Title: React Developer Location: Remote Job Duration: 6+ Months Interview: Video Job Description: We are seeking a Mid to Senior-Level React Developer to support a legacy application modernization project. The role involves rewriting components of an existing WebForms application into a modern tech stack using React with TypeScript and a .NET Core API. The ideal candidate will be comfortable navigating legacy code and helping transition to the new architecture, with a strong focus on fro

C++ Developer

TekVivid

Pittsburgh, Pennsylvania, USA

Contract, Third Party

Overview: We are seeking a skilled C++ Developer with hands-on experience in Qt/QML and CMake to join our development team. You will be responsible for designing, developing, and maintaining high-performance applications, particularly with modern UI frameworks and build systems. This role involves working closely with cross-functional teams to build scalable and efficient software solutions. Key Responsibilities: Develop, maintain, and optimize software applications using modern C++.Design and i

Java Developer Lead (Front End and Back End) - 5699075

Accenture LLP

Charlotte, North Carolina, USA

Full-time

Accenture Flex offers you the flexibility of local fixed-duration project-based work powered by Accenture, a leading global professional services company. Accenture is consistently recognized on FORTUNE's 100 Best Companies to Work For and Diversity Inc's Top 50 Companies For Diversity lists. As an Accenture Flex employee, you will apply your skills and experience to help drive business transformation for leading organizations and communities. In addition to delivering innovative solutions for

ADA Accessibility Developer---Front End

Allwyn Corporation

Remote

Contract, Third Party

Position: Mobile & Web Developer with Angular/Ionic + ADA Location: Remote Duration: 4+ months Job Description: We are looking for a skilled Front-End Developer who can contribute across both mobile and web (.com) platforms. The ideal candidate will have hands-on experience with Angular and Ionic frameworks, and a strong understanding of ADA compliance to ensure accessibility standards are met across all digital experiences. Responsibilities: Develop and maintain responsive and accessible applic

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 &

ETL Developer

Raas Infotek LLC

Remote or Austin, Texas, USA

Contract

Position: ETL DeveloperContract: W2 Only Responsibilities:Design, develop, and maintain scalable ETL pipelines to support data integration and backend services for mobile and enterprise applications.Collaborate with Android/mobile development teams to understand data needs for performance monitoring, analytics, and reporting.Build and maintain data workflows that connect to APIs, GraphQL, and RESTful services to extract, transform, and load data from diverse sources.Develop efficient ETL solutio

REMOTE:::.Net Backend Lead ( Trading Platforms) 10+ years - ONLY W2

FutureTech Consultants LLC

Remote

Contract

Hello, Hope you are doing good, this is Hima from Appridat Solutions, LLC and I have a job opening with our direct client. Please have a look at the below job description and let me know your interest. Please share me the latest copy of your resume. Role: .Net Backend Lead Duration: Long term Remote role Mode of interview: Coding test + 30 mins video call Key Skills: C++, C#, .Net Core, AWS Cloud, Trading Platforms, Futures Commodity Commissions Market (FCM) platform, KYC, AML We are seeking a

Adobe Experience Manager (AEM) Architect

Alltech Consulting Services, Inc.

Remote or Bellevue, Washington, USA

Contract

Title: Adobe Experience Manager (AEM) Developer / Architect Location: Bellevue-WA-Onsite role Contract role About the Role We are looking for a results-driven AEM Architect with deep expertise in building and architecting scalable, enterprise-grade digital solutions using Adobe Experience Manager (AEM), NET, AI-powered technologies, and modern front-end frameworks. This role is a hybrid of hands-on development and architectural ownership, including technical design, performance optimization, and

React Native Mobile Architect

Aptino

Remote

Third Party, Contract

Job Description:We are seeking a highly skilled and experienced Senior React Native Developer / Mobile Architect to join our mobile development team. The ideal candidate will have a proven track record of building scalable and high-performance mobile applications using React Native and related technologies. You will be responsible for leading mobile architecture decisions, implementing robust features, and ensuring seamless cross-platform user experiences. Key Responsibilities:Design, develop, a