Backend Developer Jobs in Philadephia, PA

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Backend Developer - Python, Java, and Node.js- W2 Candidate only

Maven Companies

Remote

Contract

Backend Developer 6 month contract Fully Remote Remote with occasional travel to Rosemont - Need candidates Local to IL Required Skills & Experience 5+ years of back-end development experience, with a strong emphasis on database development.Proficiency in Python, Java, and Node.js, with related frameworks.Extensive experience with AWS services, including EC2, S3, RDS, and Lambda.Strong expertise in MySQL database management, including schema design and query optimization.Hands-on experience wi

Backend Java Developer

Reveille Technologies

Remote

Full-time

Job Description Bachelor s Degree in Computer Science or a related field.7+ years of software development experience, ideally on a modern tech stack.Strong backend development experience with Java or Scala (2+ years minimum; Kotlin preferred).Experience with relational databases and ORMs (PostgreSQL preferred).Expertise in microservices or service-oriented architecture (SOA).Hands-on experience in cloud-native environments, preferably Kubernetes.Ability to work in a collaborative coding environm

Back End Java Developer (Remote)

ConsultNet, LLC

Remote or Fargo, North Dakota, USA

Full-time

Back End Java Developer (Remote) 6-month Contract to hire rate $50.00 to $65.00 per hour. Salary Expectation $100k to $130k Job Description Our client is seeking a Java Developer to help build their custom application. The primary function of this position is to implement innovative solutions, designs and enhancements across web and mobile experiences. This individual will participate in all phases of the SDLC, including functional analysis, and provide both technical and team leadership throug

Backend Java Developer (Apps Dev Tech Lead Analyst - C13 )- IRVING

Citi

Remote or Irving, Texas, USA

Full-time

The Applications Development Technology Lead Analyst is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities. Responsibilities: Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements

Java Backend Application Senior Developer - C14 - JERSEY CITY

Citi

Remote or Jersey City, New Jersey, USA

Full-time

Job Description The Account Master Central (AMC) team within Institutional Service Group (ISG) is seeking a Senior Java Backend Lead Developer to join our engineering team in NJ. Potential candidates MUST have experience with and are enthusiastic about developing all areas of middle-tier and back-end system programming. The responsibilities of this position include but are not limited to: writing large scale Java programs in pure core Java to facilitate both batch and real-time processing. All p

Advanced Backend Python API Developer with Azure and Databricks.

Eliassen Group

Anywhere, US

Contract

Description: *100% Remote role* We're recruiting an Advanced Backend Python Developer to create and implement APIs as well as robust data pipelines, API's, and scalable software solutions with best-practice data architectures. We want you to leverage your leading expertise in API Development and Data Engineering, software development, and cloud technologies to design and optimize the data infrastructure for a highly complex, employee-facing data and analytics web application. Team players only

Java Full Stack Developer with AWS (W2 Contract)

Donato Technologies Inc

Wilmington, Delaware, USA

Contract

Java Full Stack Developer Location: Wilmington DE (Onsite) Duration: 12+ Months W2 Contract Experience: 8+ Years Job Description : Java FSD with AWSAn 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 roleDesign and developer application using Core JavaDesign and developer application using J2EE. Experience in J2EE design patternsCreate/consume Rest APIs & Microservices

Java Full Stack Developer (W2 Contract)

Donato Technologies Inc

Wilmington, Delaware, USA

Contract

Its a Complete W2 Contract. No C2C / C2H/1099. Java Full Stack Developer Location: Wilmington DE (Onsite) Duration: 12+ Months W2 Contract Experience: 8+ Years Job Description : Java FSD with AWSAn 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 roleDesign and developer application using Core JavaDesign and developer application using J2EE. Experience in J2EE design p

.Net Developer with Front end, Backend, API and Angular 19 experiences - Remote

Keylent

Remote

Third Party, Contract

API Developer (.NET Core 8/9) Job Summary We are seeking an API Developer (.NET Core 8/9) to join our development team and drive the creation of robust, scalable microservices and APIs. In this role, you will design and implement back-end services that are critical to our platform s success, ensuring they are secure, high performance, and maintainable. You will collaborate with cross-functional teams (product, front end, DevOps) to deliver new features and improve existing systems. This positio

Backend Software Engineer

Bayside Solutions

Remote

Contract

Backend Software Engineer W2 Contract Salary Range: $114,400 - $135,200 per year Location: Austin, TX - Remote Role Requirements and Qualifications: 3-4+ years of backend development experience in Python and/or Java Proven track record of building platforms or adding features to backend services Experience developing large-scale web applications or platforms that serve other teams (e.g., REST services, backend architecture). Bachelor's degree in Computer Science Preferred Qualifications: Ex

Backend Software Engineer, ML

Bayside Solutions

Remote

Contract

Backend Software Engineer, ML W2 Contract Salary Range: $135,200 - $156,000 per year Location: Remote Role - PST Job Summary: As a Backend Software Engineer, you will work with the engineering team, EPM, and customers to support customer migration to next-generation services that generate, manage, and consume datasets, features, and embeddings used for ML training. You will utilize tooling to migrate data and work with customers to change their Python clients to start using the new SDK. Thi

Senior Java Software Engineer- full stack development

Econvergence

Remote

Full-time

About the job The Role We are seeking a Senior Software Engineer to play a pivotal role in our Money product architecture transformation. This includes evolving our banking core, implementing enhanced account structures, and preparing for new financial products like CDs. You will be responsible for maturing central member-facing services, focusing on entitlements, permissions, and data management to support integrated product offerings. You ll work in a highly collaborative environment, where p

Senior Vue.js Developer - Remote / Telecommute

Cynet Systems

Remote or Charlotte, North Carolina, USA

Contract

Job Description: Responsibilities: Develop, optimize, and maintain web applications using Vue.js and related technologies. Implement responsive and user-friendly UI components using HTML, CSS, and JavaScript. Lead architecture discussions and make technical decisions for front-end development. CollaboXX with backend developers, UI/UX designers, and product managers to ensure seamless integration. Write clean, efficient, and maintainable code following best practices and coding standards. Trouble

Backend Python Engineer (REMOTE)(No C2C/H1B)

NetSource, Inc.

Remote

Contract

No C2C/H1B Remote, preference in the LA area to come into the occasional in person meetings. Please note that this is a 4-month contract position. Tech Stack / Tools: Python (NumPy, Pandas, SciPy) SQL (PostgreSQL or MySQL preferred) Github Jupyter notebook Experience with production systems and deployment environments Requirements: 3+ years of experience in backend development using Python in a production environment. Must know be proficient in NumPy, Pandas, SciPy, and Object-Oriented Progra

Senior Artificial Intelligence Test Engineer

iSpace, Inc

Remote

Contract

Senior Artificial Intelligence Test Engineer Location: Hybrid of 3 days/month onsite during the 2 nd full week of each month in either Denver, CO/Brentwood, TN/Malvern, PA or 100% remote with travel 2-3 times/year (if remote) Duration - 3 6-month Contract to Hire Opportunity Working Hours Mon-Fri, from 8AM 5PM EST This is an exciting opportunity to join a new team that will be supporting the testing efforts for AI products within an industry leading healthcare organization. This team will be s

Java Full Stack Developer with AWS

Celandyne Software Solutions LLC

Wilmington, Delaware, USA

Contract

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 roleDesign and developer application using Core JavaDesign and developer application using J2EE. Experience in J2EE design patternsCreate/consume Rest APIs & MicroservicesExperience with Angular/ReactExperience with CI/CD, JenkinsExperience with Junit/MockitoExperience with database (SQL/No-SQL_Experie

Java FSD with AWS

Galent

Wilmington, Delaware, USA

Third Party, Contract

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 Angular/React Experience with CI/CD, Jenkins Experience with Junit/Mockito Experience with database (SQL/No-SQL_ Experience with Ag

Java FSD -- Wilmington, Delaware- Only Local Candidates

ProCorp Systems Inc.

Wilmington, Delaware, USA

Contract, Third Party

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 Angular/React Experience with CI/CD, Jenkins Experience with Junit/Mockito Experience with database (SQL/No-SQL_

Java FSD with AWS

JKV International

Wilmington, Delaware, USA

Third Party, Contract

Position: Java FSD with Aws Location: Wilmington DE 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 Angular/React Experience with CI/CD, Jenkins Experience with

Java FSD with AWS (Only local to DE)

InfiCare Technologies

Wilmington, Delaware, USA

Contract, Third Party

Job Title : Java FSD with AWS Location : Wilmington, DE (5 Day's Onsite) Experience: 9+ Years 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 Angular/React Experience with