Backend Developer
HAN IT STAFFING INC
Job Description
Job Description
Role: Full Stack Developer (React, GoLang, Python, Java, Node.js, Any)
Employment Type: C2C/W2/1099
Location: US (Madison, NJ | Manhattan, NY
Job Summary
We are looking for a highly skilled Senior Full Stack Engineer to design, build, and scale customer-facing technology platforms. This role requires strong hands-on expertise across frontend and backend engineering, with the ability to deliver end-to-end solutions using modern web technologies, cloud-native services, APIs, microservices, and distributed systems.
The ideal candidate brings strong engineering fundamentals, a product mindset, and the ability to independently solve complex technical problems in a collaborative, fast-paced environment.
Key Responsibilities
Design, build, and maintain scalable full-stack applications end to end from frontend UI to backend services, APIs, and databases using React, TypeScript, Go, Java, Python, and Node.js.
Build and enhance RESTful APIs, gRPC/Thrift integrations, microservices, and distributed systems.
Participate in architecture reviews, technical design discussions, and code reviews.
Drive engineering practices across automated testing, security, observability, and CI/CD.
Troubleshoot complex production issues.
Contribute to AWS cloud infrastructure and deployment automation.
Mentor engineers and collaborate closely with product managers, architects, and designers.
Required Skills & Experience
Bachelor's Degree with 5+ years of hands-on Full Stack development experience.
Strong ReactJS, TypeScript, JavaScript experience.
Strong backend experience in Go, Java, Python, or Node.js.
System design and distributed systems knowledge.
Experience with PostgreSQL, MySQL, Aurora, RDS, MongoDB, DynamoDB, Redis.
AWS experience (ECS, Lambda, API Gateway, S3, CloudWatch).
Docker, CI/CD, Terraform.
Jest, Cypress or similar testing frameworks.
Agile/Scrum delivery experience.
Nice to Have
- ...Job Description: Senior Backend Java Developer Client is seeking a Senior Backend Java Developer with deep expertise in microservices architecture and data modeling. This is a hands-on, heads-down coding role focused on building scalable, high-performance...Suggested
$130k - $155k
...want to be part of a team doing what no one else is doing, come build the future of food with us. What You'll Do As a Senior Backend Developer (Java) , you'll help design, develop, and scale backend systems that power FreshDirect's e-commerce and logistics platforms....Suggested- Tech Career Transition With SynergisticIT Are you eager to start a thriving career in tech but unsure how to bridge the gap between learning and getting hired? Whether you're a recent graduate, a self-taught programmer, or pivoting from a different profession, SynergisticIT...Suggested
- ...Java Backend Developer with Capital Markets experience needed. Some exposure to low latency application coding We are looking for a highly skilled backend technology leader with strong experience in Java, Spring Boot, Microservices, Kafka, AWS, and containerized deployments...Suggested
- Job ID: 22196872Reference Number: 24-00398Title: java backend developerLocation: Iselin, NJ, 08830Posted Date: 2024-05-17Company: HAN StaffingjavaSuggested
- Job ID: 26710975Reference Number: 25-01495Title: Java Backend DeveloperLocation: Iselin, NJ, 08830Posted Date: 2025-11-18Company: HAN Staffing hands-on application development experience for containerized applications and Kubernetes t demonstrate knowledge of application...
- Job Role: Backend Java Developer Location: Alpharetta, GA Duration: 6+ Months Job Description Senior Developer role to lead the design and implementation of scalable microservices Clienthitecture to enhance system performance and reliability. Oversee the development and...
- Java Developer (Backend Developer) Location: Berkeley Heights, NJ / Omaha, NE / Coral Springs, FL / Alpharetta, GA (5 Days Onsite) (Multiple Locations) This role is for Hands On Coder and not a lead. Please source profiles who are interested in Hands On Coding. Experience...
- Job ID: 28104571Reference Number: 26-00426Title: Java Backend DeveloperLocation: Iselin, NJ, 08830Posted Date: 2026-04-29Contact: Deepak... ...years of experience in Core Java Backend development · Design, develop, and maintain microservice-based applications using Java and...Contract work
- ...Job Title: Senior Full Stack Developer Location: Iselin, NJ 08830 / New York, NY 10017 (Hybrid) Duration: 6 Months Client: Financial... ...guidelines. This includes full stack development spanning backend Java/Spring services, RESTful APIs, and modern front-end frameworks...Work experience placement
$97.3k - $182.5k
...Full Stack Developer - AI Hybrid • NEW JERSEY - EDISON, NJ 08837 Overview Category Information Technology Description Remote... ..., MCP servers and workflow orchestration. Develop scalable backend services and microservices. Implement parameter-efficient...Remote work- Job Title: Sr. Java Backend Developer Job Type: Long term Contract Job Description: We are seeking an experienced Java Developer to join our engineering team. The ideal candidate will have a passion for building high-performance, scalable backend systems. As a key member...Long term contractLocal area
- ...learners, collaborative problem solvers, and just plain awesome.Position DescriptionWe're searching for an experienced Senior Back-End Developer to help us build the second iteration of our connected equipment solution. The ideal candidate will be a forward and innovative...Remote workVisa sponsorshipRelocation package
- ...Job Title: Full Stack Developer (C#, Angular, AWS) Location: Remote Job Type: Contract Implementation- Hitachi Job description Design, develop, and maintain full-stack web applications using AWS services, .NET C#, JavaScript, and AngularJS. Develop...Contract workRemote work
- ...Junior Full Stack Developer We are seeking an energetic and motivated Junior Full Stack Developer who is passionate about learning new technologies. This role provides exposure to Insurance Technology, Python, cloud technologies, and AI-based transformation initiatives...
- Job ID: 26771787Reference Number: 25-01582Title: Core .NET Backend DeveloperLocation: Iselin, NJ, 08830Posted Date: 2025-12-02Company: HAN Staffing Bachelor's degree in Computer Science, Software Engineering, or a related field. Over 2 years of experience in .NET Core development...
- Mandatory Skills: JavaScript/ TypeScript, React and Python Develop frontend features using React, supported by tools like Plotly.js, Ant... ...Design, and React Query/Router/Hook Form. Build and maintain backend services and APIs using Node.js, Express.js, and Sequelize ORM,...
- ...major bank in Central, NJ, is looking for Senior Full Stack .NET Developer. Hybrid commute, 5 days per 2 weeks on-site in Central NJ... ...third-party resources Required Qualifications 10-15 years of backend development experience Excellent communication and analytical skills...Permanent employment
- ...Frontend Developer Develop UI components - Build reusable, responsive, and dynamic components using Angular framework. Implement... ...management. Integrate APIs - Consume RESTful APIs provided by the backend (Spring Boot). Performance optimization - Optimize rendering...
- Job Title: Full Stack Developer (C#, Angular, AWS) Location: Remote Job Type: Contract Implementation- Hitachi Job description Design, develop, and maintain full-stack web applications using AWS services, .NET C#, JavaScript, and AngularJS. Develop and deploy serverless...Contract workRemote work
$63 per hour
...Full Stack Java Developer Number of openings: 3 Location: Iselin, NJ or Charlotte, NC Onsite: 3 days a week Rate for Iselin... ...API development. ~ Hands-on experience with Spring Boot for backend services. ~ Solid front-end development skills using React....Permanent employmentContract workWork at officeLocal area3 days per week- ...Full Stack Web Developer Design, develop, and maintain full stack web applications covering frontend UI, backend services, and databases. Build responsive, user-friendly frontend interfaces aligned with usability and accessibility standards. Develop and maintain backend...
- Full Stack Developer (C#, Angular, AWS)Location: RemoteJob Type: Contract Implementation- Hitachi Kasmo GlobalContract work
$105k - $125k
...Object Data , is seeking Senior Full Stack .NET Developers to support our IT development teams located in New Jersey, USA. Job Description... .../CD, clean code, refactoring, and code review.- Expertise in backend technologies: .NET Core / .NET 6+, ASP.NET Core MVC, Entity...Full timeVisa sponsorship- Angular Developer - Life insurance domain is needed Frontend (Angular) Responsibilities • Develop UI Components- Build reusable, responsive... .... • Integrate APIs- Consume RESTful APIs provided by the backend (Spring Boot). • Performance Optimization- Optimize rendering,...
- ...Job Title: Full Stack Lead/Developer Location: 100% Remote Job Type: Contract Visa Status- H1B YOE- 12+ years Mandatory skills: .Net background with AWS Lambda, DynamoDB, Serverless,Angular 16+, Typescript. Job Description: Full Stack...Contract workH1bLocal areaRemote work
- ...you may know to be a good fit for this role. Full Stack Java Developer Location: Woodbridge Township New Jersey on W2 Skills: Full... ...experience working on all aspects: Front-end, user experience, APIs, Backend, CI/CD, DevSecops and NoSQL/SQL development and data modeling -...Shift work
- ..., powered by facial recognition. Responsibilities: Collaborate with product and design teams (ex-Google/FB/Apple/Microsoft) to develop, test, and launch new features and improvements for our consumer social app. Write clean, maintainable, and scalable code using...Full time
- Full Stack Engineers With Java Backend (Microservices) & React JsWork Location: RemoteInterview: Webex HireDuration: Long TermMust Have:HackerRank evaluation9+ years of industry experienceBackend or Full-Stack experience in a work-setting or classroom-setting.Work experience...Work experience placementImmediate start
$105k - $125k
Object Data , is seeking Senior Full Stack .NET Developers to support our IT development teams located in New Jersey, USA. Job Description... .../CD, clean code, refactoring, and code review.- Expertise in backend technologies: .NET Core / .NET 6+, ASP.NET Core MVC, Entity...Full timeVisa sponsorship
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Backend Developer. Be the first to apply!


