5,609+ Fullstack Software Engineer Reactjs Java Jobs in Philadelphia, USA — Local Employers Hiring June 2026

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Full Stack Software Engineer (ReactJS / Java)

Job DescriptionThis Full-Stack Developer will work in a backend-heavy (≈60%) role using Java (ideally 17) and Spring Boot to build, enhance, and refactor REST APIs and microservices. They will also support front-end development in React, contributing to UI component development and integration. Day-to-day in ...

LOCAL Senior Software Engineer (ReactJS/NodeJS)

Job DescriptionWe are hiring for a two Senior Developers with strong experience collaborating across cross functional teams to ensure project goals are successfully met. Daily responsibilities include reviewing requirements, refining technical details, and contributing to design and implementation efforts. D ...

Java Software Developer

Java Software DeveloperPosition Summary:As a Software Developer with LCE, you will assist with the design, development, testing, and integration of software to satisfy system/subsystems functional requirements for new and existing applications.Essential Functions and ...

Software Engineer III Java Full Stack Developer

Are you an experienced, passionate pioneer in technology who wants to work in a collaborative environment? As an experienced Software Engineer III - Java Full Stack Developer, you will have the ability to share new ideas and collaborate on projects as a consultant without the extensive demands of travel. If so, ...

Systems Engineer III (USD)

MUST HAVES:" Heavy AI requirementso Ability to drive AI development. Spec driven experience, CoPilot, part of AR strategy." Strong leadership/communication.o Speaks up, takes accountability and helps to drive results." Front end development role.< ...

Systems Engineer III (USD)

MUST HAVES:" Heavy AI requirementso Ability to drive AI development. Spec driven experience, CoPilot, part of AR strategy." Strong leadership/communication.o Speaks up, takes accountability and helps to drive results." Front end development role.< ...

Lead Software Engineer

Job Title: Lead Software Engineer Job Duration: 3+ months Location: Philadelphia, PA (Hybrid) Job Posting Overview MUST HAVES: ...

Software Engineer

Responsibilities We are looking to hire **Software Engineers** to support the development, maintenance, and delivery of Machinery Control System (MCS) software for DDG-51 Arleigh Burke Class Destroyers. The selected candidate will interface with U.S. Navy civilian software and systems engineers, suppo ...

Software Engineer

Responsibilities **Noblis MSD is seeking Software Engineers in Philadelphia, PA.** Noblis MSD’s mission is to support the Naval Sea Systems Command (NAVSEA) and, Naval Surface Warfare Center (NSWCPD) and their missions’ to enable research, development, test and evaluation, acquisition, engineer ...

Software Engineer

**Responsibilities** + Design, develop, test, deploy, and support full stack applications in AWS+ Build and maintain backend services using Python and modern API frameworks such as FastAPI or Django+ Develop user-facing applications using JavaScript and React+ Design and implement RESTful AP ...

Software Engineer

**We believe in the power and joy of learning**At Cengage, our employees have a direct impact in helping students around the world discover the power and joy of learning. We are bonded by our shared purpose – driving innovation that helps millions of learners improve their lives and achieve their dreams thro ...

Software Engineer

Job Title: Software EngineerJob DescriptionThis Software Engineer role supports the Machinery Control Systems (MCS) branch for U.S. Navy LHA and LHD class ships. You will work on mission‑critical, custom software used to monitor and control shipboard machinery and systems. The software is highly speciali ...

Lead Developer (NodeJS / ReactJS) INTL Mexico

Job DescriptionIn this role, the Lead Developer will oversee a small team of full stack engineers while remaining hands on with backend development. Day to day, you’ll lead the design and development of NodeJS based APIs and services, contribute to greenfield initiatives, and support ReactJS feature developm ...

Full Stack Developer (ReactJS/NodeJS) INTL Brazil

Job DescriptionYou’ll work in a swarm model, focusing on one priority product at a time to deliver measurable ADA/WCAG improvements before moving on to the next. The role is front-end heavy (~70%), involving refactoring and enhancing React, Handlebars, and ASP.NET components to meet accessibility standards. ...

Senior Software Engineer

Job FamilyIT - Development About Us At Transamerica, hard work, innovative thinking, and personal accountability are qualities we honor and reward. We understand the potential of leveraging the talents of a diverse workforce. We embrace an environment where employees enjoy a balan ...

Sr Software Engineer

Job FamilyIT - Development About Us At Transamerica, hard work, innovative thinking, and personal accountability are qualities we honor and reward. We understand the potential of leveraging the talents of a diverse workforce. We embrace an environment where employees enjoy a balan ...

Lead Software Engineer

Job FamilyIT - Development About Us At Transamerica, hard work, innovative thinking, and personal accountability are qualities we honor and reward. We understand the potential of leveraging the talents of a diverse workforce. We embrace an environment where employees enjoy a balan ...

Senior Software Engineer

**Senior Software Engineer (TypeScript/Node.js/Web)** **Location:** Hybrid or In-office, Philadelphia, PA **Position Summary:** Bentley Systems is seeking a talented full stack senior software engineer to build the next generation of infrastructure engineering applications based on th ...

Software Developer/Engineer

Core Experience Hands-on experience deploying open-source LLMs such as Meta Llama 3 and Mistral / Mixtral in on-prem or private environments (25%) Strong proficiency in Python for LLM inference, prompt engineering, and integration (25%) Experience with CPU-based infe ...

Software Engineer Payments

we are seeking a Lead Software Engineer to join the Global Payments & Liquidity Treasury Technology organization. This role focuses on delivering high-quality, modern engineering solutions across critical payment platforms.Responsibilities Lead the design and devel ...

JAVA Developer

Responsibilities Noblis MSD is seeking a well-rounded **JAVA Software Developer** for the development and integration of PIMCS technology for onboard trainers. This is an onsite position in Philadelphia, PA at the Naval Yard. Noblis MSD’s mission is to support the Naval Sea Systems Command (N ...

Java Developer

Role: Java Developer Location: Philadelphia, PA (5 days Onsite)Duration: 7+ Months Only W2 Key Responsibilities Design, develop and maintain scalable and high-performance java ...

REMOTE Lead Software Engineer

Job DescriptionThis individual will lead a team of four engineers, providing hands-on people management through regular 1:1s, performance feedback, and support with team development and hiring efforts. On a daily basis, they will partner closely with product and delivery teams to drive backend development in ...

Software Build & Release Engineer

Responsibilities Noblis MSD is seeking a Software Build, Configuration, and Release Engineer to support development and delivery of software within the Platform Independent Machinery Control System (PIMCS) framework for the U.S. Navy. This role will ensure the integrity, traceability, and repeatability ...

Engineer 3, Software Engineering

Comcast brings together the best in media and technology. We drive innovation to create the world's best entertainment and online experiences. As a Fortune 50 leader, we set the pace in a variety of innovative and fascinating businesses and create career opportunities across a wide range of locations and discipl ...

AI Native Software Engineer

We are: A forward-thinking services company at the forefront of AI-native innovation. We partner with enterprise clients to create next-generation, agent-powered workflows engineered to scale in real-world settings. Our engineers embed deeply with customers, moving projects ...

Lead ServiceNow Software Engineer

As a Lead ServiceNow Software Engineer , you will actively engage in your engineering craft, taking a hands-on approach to multiple high-visibility projects. Your expertise will be pivotal in delivering solutions that delight customers and users, while also driving tangible value for Deloitte's business investme ...

Principal AI Software Engineer

Job Description Are you a collaborative Principal AI Engineering Lead looking to work for a mission driven global organization? About the role - As a Principal AI Engineer— This position serves as a subject matter expert for a specific team of Software Engin ...

Senior JAVA Developer

Responsibilities Noblis MSD is seeking a well-rounded **JAVA Software Developer** for the development and integration of PIMCS technology for onboard trainers. This is an onsite position based out of Philadelphia, PA. Our mission is to support the Naval Sea Systems Command (NAVSEA) and, Naval ...

Lead Java Developer

Title: Lead Java Developer Location: 100% REMOTE Work Duration: 6 Months + Contract Rate: $Open/hr. Requirements Position Description: + Responsible for best design practices and leadership within a team for large implementation. + Design, imp ...

Hybrid Automation SDET Test Engineer W2 only No C2C

W2 only - NO C2CAutomation / SDET Test Engineer (Java/Selenium & Playwright)Contract Length: 3 YearsLocation: Philadelphia, PAWork Setup: HybridOur client is seeking an experience ...

Hybrid Automation SDET Test Engineer W2 only No C2C

W2 only - NO C2CAutomation / SDET Test Engineer (Java/Selenium & Playwright)Contract Length: 3 YearsLocation: Philadelphia, PAWork Setup: HybridOur client is seeking an experience ...

Sr. Software Engineer 2 (IFS)

**Who We Are** We're powering a cleaner, brighter future. Exelon is leading the energy transformation, and we're calling all problem solvers, innovators, community builders and change makers. Work with us to deliver solutions that make our diverse cities and communities stronger, healthier and ...

Cyber Full Stack Software Engineer

Deloitte Cyber understands the unique challenges and opportunities businesses face in cybersecurity. Deloitte's Cyber team helps our clients navigate the ever-changing threat landscape. We simplify complexity, and enable businesses to operate with resilience, grow with confidence, and proactively manage their se ...

Software Engineer Technical Leader Tetragon

The application window is expected to close on: 06/23/2026**Job posting may be removed earlier if the position is filled or if a sufficient number of applications are received** . **Meet the Team** Isovalent, now part of Cisco, is the company founded by the creators of Cilium and eBPF. Cisc ...

Sr. Software Engineer Agentic AI

Make your mark at Comcast -- a Fortune 30 global media and technology company. From the connectivity and platforms we provide, to the content and experiences we create, we reach hundreds of millions of customers, viewers, and guests worldwide. Become part of our award-winning technology team that turns big ideas ...

Associate Software Engineer Applications & Automation

Job DescriptionEssential FunctionsDevelop and maintain internal applications, scripts, and tools that support departmental operationsModify existing software to add features, fix defects, or improve usability and performanceSupport workflow automation a ...

Lead Vantage WMA Software Engineer

Job FamilyIT - Development About Us At Transamerica, hard work, innovative thinking, and personal accountability are qualities we honor and reward. We understand the potential of leveraging the talents of a diverse workforce. We embrace an environment where employees enjoy a balan ...

Senior Machine Learning Software Engineer

**Description** Penn Medicine is dedicated to our tripartite mission of providing the highest level of care to patients, conducting innovative research, and educating future leaders in the field of medicine. Working for this leading academic medical center means collaboration with top clinical, technica ...

Java Developer INTL Brazil

Job DescriptionYou’ll be supporting legacy siloed web applications in maintenance mode, performing bug fixes, upgrades, and minor enhancements. You’ll work across both customer-facing and backend systems, digging into existing codebases to identify and resolve issues. The environment blends Windows and Linux ...

Systems Engineer III (USD)

Lead Software Engineer Philadelphia, PA 3 Months, temp to perm Hybrid-Flexible-hiring manager will work with candidate on hybrid work schedule expectations. Seeking a candidate that is wanting to ...

Backend API’s and Integrations Software Engineer III

Backend API’s and Integrations Software Engineer III Are you a Backend API developer looking to work for a mission driven global organization? About the role: We’re seeking a Software Engineer III with strong backend engineering skills to design, build, and operate distributed in ...

Software Engineer Code Specialist AI Trainer

About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo</st ...

Cyber Full Stack Technical Software Engineer

Drive strategic growth and transformation for clients by helping leaders define priorities, solve complex business problems, and execute large-scale change. As a Senior Consultant, Strategy, Growth and Transformation, you will work across the strategy-to-execution lifecycle, using structured problem solving, qua ...

Senior Software Engineer (Broadband Device Validation)

Make your mark at Comcast -- a Fortune 30 global media and technology company. From the connectivity and platforms we provide, to the content and experiences we create, we reach hundreds of millions of customers, viewers, and guests worldwide. Become part of our award-winning technology team that turns big ideas ...

Software Developer/Engineer (Mid Level experience)

Software Developer/Engineer (Mid Level experience) Position Type: ContractLocation: Philadelphia | Work Mode: Hybrid, minimum 3 days in the officeInterview Schedule: 1 st interview, 1-hour, in-person; 2 nd interview, 1-hour, in-person ...

React Developer INTL Brazil

Job DescriptionYou’ll work in a swarm model, focusing the team on one priority product at a time to deliver measurable ADA/WCAG accessibility improvements before moving on to the next. This is a fully front-end role, where you’ll develop and refine ReactJS, HTML, and CSS components, ensure compliance with ac ...

React Developer INTL Brazil

Job DescriptionYou’ll work in a swarm model, focusing the team on one priority product at a time to deliver measurable ADA/WCAG accessibility improvements before moving to the next. This role is fully front-end, where you’ll develop and refine ReactJS, HTML, and CSS components, ensure compliance with accessi ...

Java API Back End Developer

Are you a collaborative Java API Back End Developer looking to work for a mission driven global organization? About the role, we are looking for a Java API Back End collaborative software developer to be a critical component within in our agile delivery process for Software Development. ...

QA Test Automation Engineer

Software Guidance & Assistance, Inc., (SGA), is searching for a QA Test Automation Engineer for a contract assignment with one of our premier Financial Services clients in Philadelphia, PA. Responsibilities < ...

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    Fullstack Software Engineer Reactjs Java Jobs in Philadelphia Job Search Guide, Trends and Insights