back end software developer Jobs in philadephia, pa

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ADA Accessibility Developer---Front End

Allwyn Corporation

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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
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Posted 20 days ago

Full Stack Angular Engineer

Randstad - Torc

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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
Posted 60+ days ago | Updated 4 days ago

Java Backend Engineer - AVP

Citi

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Remote or Tampa, Florida, USA

Full-time

About Citi: Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. As a bank with a brain and a soul, Citi creates economic value that is systemic
Posted 3 days ago | Updated 12 hours ago

Senior Backend Engineer

Kforce Technology Staffing

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Remote or Orlando, Florida, USA

Full-time

RESPONSIBILITIES: Kforce is working with a client in search of a Senior Backend Engineer to join their team! This position is full-time, direct hire and remote with the ability to work PST hours. Summary: As a Senior Backend Engineer, you will design, build, and maintain the core services, APIs, and integrations that power our platform. You'll collaborate with world-class engineers to deliver resilient, high-performance systems. Responsibilities: * Senior Backend Engineer will design, build, a
Posted 60+ days ago | Updated 1 day ago

Python Backend Engineer

ACL Digital

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Remote or San Jose, California, USA

Full-time

Job Title: Python Backend Engineer - Systems & Integration Location: Remote bout 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. s 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 inv
Posted 54 days ago | Updated 12 hours ago

Backend Engineer (Fintech Exp is must)

SumasEdge Corporation

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Remote

Contract

Job Title:- Backend Engineer Location:- NYC (Remote)(Only Local) Duration:- 3 Months C2H Job Description Key Responsibilities: Technology Roadmap Development: Architect, develop, and implement our technology roadmap, focusing on transitioning prototypes into production-ready backend systems that are both scalable and resilient.Cross-functional Collaboration: Work closely with cross-functional teams to define and implement innovative solutions, ensuring alignment with best practices and the compa
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Posted 2 days ago

Senior Backend Engineer Node.js

Avila IT

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Remote

Full-time

Job Description:We are seeking a Senior Backend Engineer with deep expertise in Node.js to architect, develop, and optimize high-performance backend systems. The ideal candidate has strong experience in building scalable microservices, integrating APIs, and working with modern cloud-based infrastructure. Key Responsibilities: Design, develop, and maintain backend services and RESTful APIs using Node.js and associated frameworks (e.g., Express.js, NestJS). Build scalable microservices for high-th
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Posted 5 days ago

Staff Backend Engineer, Media Foundation

Airbnb

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Remote

Full-time

Airbnb was born in 2007 when two hosts welcomed three guests to their San Francisco home, and has since grown to over 5 million hosts who have welcomed over 2 billion guest arrivals in almost every country across the globe. Every day, hosts offer unique stays and experiences that make it possible for guests to connect with communities in a more authentic way. The Community You Will Join: Media - images & videos, are critical to the success of Airbnb as it enables guests to make informed bookin
Posted 60+ days ago | Updated moments ago

Adobe Experience Manager (AEM) Architect

Alltech Consulting Services, Inc.

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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
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Posted 11 days ago

Senior Backend Engineer AWS Serverless

Accylerate

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Remote

Contract

Client: College Board Title: Senior Backend Engineer AWS Serverless Location: 100% Remote Duration: Long Term Profile: They seek a senior to lead-level candidate with SOLID AWS solutions experience and JavaScript coding.This team is the interface with the vendors for scoring feeds and then connects to the program applications.This role is nearly solely focused on back-end microservices coding in all the AWS tech stack, building applications to run here.Job Description: As a Senior Software Engin
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Posted 2 days ago

React Native Mobile Architect

Aptino

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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
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Posted 31 days ago | Updated 1 day ago

Senior Backend Automation Engineer

Avila IT

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Remote

Full-time

Job Description:Walmart is looking for a Senior Backend Automation Engineer with deep expertise in backend testing, API automation, and scalable test framework development. The ideal candidate should be highly skilled in test design for microservices and backend systems, with a strong understanding of REST APIs, data validation, and CI/CD integration. Key Responsibilities: Design, develop, and maintain robust automation test suites for backend services and RESTful APIs. Build reusable frameworks
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Posted 5 days ago

Hands-on Technical Manager, Java Developer

Govincorp

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Remote

Full-time

Seeking a highly skilled Hands-on Technical Manager, Java Developer to guide and mentor a team of developers in delivering high-quality backend servicesHands-on Technical Managerand APIs. The ideal candidate will possess strong technical expertise in Java, Go, PHP, Node.js, and MySQL, along with solid experience managing development teams and collaborating across functions to deliver scalable solutions. This position is 100% remote Responsibilities: Lead and manage a team of backend developers,
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Posted 13 days ago

API Engineer

Kforce Technology Staffing

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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
Posted 11 days ago | Updated 1 day ago

Product Manager

Dahl Consulting

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Remote

Contract

Seeking a new job opportunity? Don t miss this role! Dahl Consulting is currently partnering with a leader in the retail industry. We work one-on-one with great candidates to help connect them with local employment opportunities. This Company is hiring a Product Manager for a contract position! Interested? Get more details below.Contract Duration: 12-monthsWorksite Location: Remote Compensation: $50.00 - $75.00 per hourWhat you ll do as the Product Manager: Manage day-to-day software delivery in
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Posted 2 days ago

Sr. Front End Engineer/ Next.js/React

Encora

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Remote

Contract

Sr. Front End Engineer/ Next.js/React Location: Remote Duration: 6+ months contract Duties: Architect and develop responsive and performant web components and applications using modern JavaScript practices (Next.js/React).Lead the front-end technical design and implementation of complex user interfaces, ensuring optimal performance and scalability.Drive cross-team collaboration by:Working closely with back-end engineers to define and consume API contracts.Partnering with product managers and
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Posted 2 days ago

LEAD UI Developer (ONLY W2 Candidates)

ERPA

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Remote

Contract

Title: Lead UI Developer (ONLY W2 Candidates) Location: U.S Remote (EST Schedule 8-5) Duration: 12 month contract Needs: 6+ years professional experience with frontend UI development and designStrong experience with ReactExperience with design tools: Figma, Adobe, or SketchExperience with TypeScript, HTML, Ctrong experience with team leadership and excellent communication skills Nice to Haves: AWS S3SQLAPIs About the Role We are seeking a highly skilled and experienced Lead UI Developer to driv
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Posted 4 days ago | Updated 4 days ago

Sr. Backend Engineer/Solutions Architect

LogiX-Guru

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Remote

Contract

Senior Backend Engineer / Solutions Architect (Node.js | Google Cloud Platform | TypeScript | Finance) Location: Remote Type: Full-time | Contract Client Industry: Financial Technology Key Responsibilities - Design and implement fraud prevention systems using Node.js and TypeScript - Develop and enhance device authentication mechanisms - Build payment intercept systems and fraud detection features - Integrate with Google Cloud Platform services (Spanner, BigQuery, Kubernetes) - Collaborate with
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Posted 32 days ago | Updated 3 days ago

BE Crypto Software Engineer

Russell, Tobin & Associates

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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
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Posted 23 days ago | Updated 6 hours ago

Sr. Java Backend Engineer Java / Spring / Spring Boot / Azure / Kafka

Empower Professionals

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Remote

Contract, Third Party

Role: Sr. Backend Engineer Java / Spring / Spring Boot / Azure / Kafka Location: Remote Duration: 12+ Months Must have: Java / Spring / Spring Boot / Azure / KafkaNoSQL databases (like MongoDB)Relational databases (DB2, SQL Server, PostgreSQL) Requirements: 10+ years of backend development experience with Java and Spring Boot.Extensive hands-on experience with the Spring Framework, including Spring Boot, Spring Core, and Spring Batch etc.Strong hands-on experience with Apache Kafka for strea
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Posted 60+ days ago | Updated 2 days ago