backend development Jobs in new york, ny

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UI Frontend Developer

Value Connect Corp

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New York, New York, USA

Contract

Front-End Development: Build responsive, performant UIs using Angular (v18+), with solid unit testing using Karma/Jasmine. Backend Microservices: Develop Java-based microservices using Spring Boot, including support for CRUD operations, RESTful APIs, and publisher-based messaging for decoupled systems. Real-Time Communication: Implement WebSockets for real-time data flows and live user updates (chat, notifications, dashboards, etc.). Automated Testing: Write end-to-end tests using the Cypress fr
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Posted 5 days ago

Angular Developer/Frontend/UI Developer

ProCorp Systems Inc.

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New York, New York, USA

Contract, Third Party

Title: UI Frontend Developer Location: New York, NY (Onsite Job) Duration: Long Term Rate: DOE Key Responsibilities Front-End Development: Build responsive, performant UIs using Angular (v18+), with solid unit testing using Karma/Jasmine.Backend Microservices: Develop Java-based microservices using Spring Boot, including support for CRUD operations, RESTful APIs, and publisher-based messaging for decoupled systems.Real-Time Communication: Implement WebSockets for real-time data flows and live us
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Posted 6 days ago

full stack developer with cloud computing

Impetus IT

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Remote or New York, New York, USA

Full-time

We are partnering with one of our staffing partners who is searching for a Full Stack Developer with React and Cloud Expertise fora Financial client to build and optimize cutting-edge web applications. The ideal candidate will have advanced React development skills, deep knowledge of cloud platforms, and experience creating highly scalable, performance-driven applications.Salary $50k-70k slight flexibility for a good candidate. Due to low rates only direct applicants no c2c candidates please.Res
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Posted 19 days ago | Updated 4 days ago

.Net Developer (Capital Markets/Trading)

Marencor

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New York, New York, USA

Contract

Job Description: .Net developer with experience working with JavaScript/TypeScript and Angular is a huge plus. Candidates must have recent experience working in Capital Market/ Trading environments and have great communication skills. We are seeking a Mid-Level .NET Developer with strong C# full-stack development skills and Capital Markets experience to join our growing technology team. This role is ideal for a hands-on developer who thrives in a fast-paced environment, contributing to both fron
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Posted 2 days ago | Updated 2 days ago

UX Designer

Xoriant Corporation

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Montvale, New Jersey, USA

Contract

Responsibilities: Champion User Experience Design and User Interface Design for designated projects, ensuring a seamless user journey Advocate for User Experience/User Interface design, effectively communicating the vision to project teams Lead stakeholder/user interviews to delve into business issues and requirements, facilitating whiteboarding sessions to stimulate creative brainstorming Execute user interviews, craft personas, journey maps, site maps and information architecture diagrams to p
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Posted 60+ days ago | Updated 2 days ago

Java lead

Encora

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Englewood Cliffs, New Jersey, USA

Third Party, Contract

Microservices (Java) Technical Team Lead / Sr. Software Engineer Location: Englewood Cliffs, NJ (Only locals) Note: <>Only locals<>Requires two rounds of Inperson interview. Microservices Technical Team Lead Onsite : 5 days Location: Englewood Cliffs, NJ (only locals) Inperson interview required. Making sure the person has lead experience and is willing to work onsite for 5 days at NJ Overview We are looking for a Microservices Technical Team Lead with deep Java expertise to architect and dri
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Posted 27 days ago | Updated 11 days ago

DotNet Azure Developer

CESUSA, INC.

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Remote

Contract, Third Party

.Net Azure Developer Remote 10+ years of commercial experience in backend development using C#, .NET Framework, and ASP.NET Experience in developing and integrating RESTful Web APIs Solid understanding of object-oriented programming (OOP) principles and clean code practices Hands-on experience with Microsoft Azure, including: Azure Kubernetes Service (AKS) Azure PaaS services (e.g., App Services, Azure Functions) Azure Service Bus Azure Service Fabric Experience working with microservice archite
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Posted 11 days ago | Updated 11 days ago

Java Full-stack Developer

Connvertex Technologies Inc.

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Remote or Salt Lake City, Utah, USA

Full-time, Contract

Experience Level: 6-8 Years (10 openings) Job Summary: We are seeking a skilled Java Developer with a strong background in backend development and a solid understanding of frontend technologies. The role will focus approximately 60% on backend services and 40% on frontend UI development. You will work closely with cross-functional teams to build scalable, high-performing applications. Key Responsibilities: Backend (60%): Design, develop, and maintain robust, scalable backend services using Jav
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Posted 3 days ago | Updated 1 day ago

Senior Back End Developer

Confidential Company

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Remote

Contract

We are an award-winning team of very trusted and respected technologists looking for a senior back end developer to join our team for a 100% remote project. Must have deep expertise in back end development and API development, with solid understanding of Python and interested in working with Python. This is a contract role, paid hourly c2c, and can be 20 hours per week, 30 hours per week, or 40 hours per week. Sound like a fit? Let's talk!
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Posted 60+ days ago | Updated 4 days ago

Sr. Native Android Developer

Sierra Software Solutions

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Remote

Contract

Title: Sr. Native Android Developer AI/LLM Integration (Remote | BFSI Domain)Location: Remote (U.S. Based)Rate: $65/hr Job Description:We are looking for a Senior Native Android Developer with proven experience developing scalable Android apps using Kotlin and Java, along with strong hands-on knowledge of Agentic tools and LLMs such as GPT-4o. The role is fully remote, but candidates must have experience in the BFSI (Banking, Financial Services, Insurance) domain and a track record with enterpri
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Posted 5 days ago | Updated 2 days ago

sql developer with java experience

Impetus IT

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Remote or Pasadena, California, USA

Full-time

We are partnering with one of our staffing partners who is searching for a SQL developer for a ecommerce client. Responsibility to maintain both front-end and back-end development, build scalable applications, and collaborate with cross-functional teams to create seamless user experiences.Salary $40k-70k slight flexibility for a good candidate. Due to low rates only direct applicants no c2c candidates please The ideal candidate will have experience designing and managing databases, integrating t
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Posted 19 days ago | Updated 4 days ago

Java selenium tester with Security background

Impetus IT

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Remote or Houston, Texas, USA

Full-time

We are partnering with one of our staffing partners who is searching for a Java Selenium Tester with Security Expertise for a Big Consulting company. The ideal candidate will have a strong background in automated testing with Selenium, Java programming, and application security practices to ensure robust, secure software releases.. Responsibility to maintain both front-end and back-end development, build scalable applications, and collaborate with cross-functional teams to create seamless user e
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Posted 19 days ago | Updated 4 days ago

Integration Engineer

Rocket

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Remote

Contract

Job Description: Integration Engineer Position Overview: We are seeking a highly skilled and motivated Integration Engineer to join our dynamic team. In this role, you will be responsible for designing, building, and maintaining integration solutions that connect various systems, platforms, and data sources to support seamless business operations. The ideal candidate will have a strong background in backend development, integration platforms, and ETL tools, coupled with experience in supply chai
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Posted 3 days ago

full stack React.js developer

Impetus IT

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Remote or Boston, Massachusetts, USA

Full-time

We are partnering with one of our staffing partners who is searching for a Full Stack Developer for a retail client. Responsibility to maintain both front-end and back-end development, build scalable applications, and collaborate with cross-functional teams to create seamless user experiences. Salary $50k-70k slight flexibility for a good candidate. Due to low rates only direct applicants no c2c candidates please Responsibilities: Develop, test, and deploy web applications using front-end and ba
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Posted 31 days ago | Updated 4 days ago

Integration Engineer

SigmaWay

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Remote

Contract

Apply by Email/Direct Application at Job Description: Integration Engineer Position Overview: We are seeking a highly skilled and motivated Integration Engineer to join our dynamic team. In this role, you will be responsible for designing, building, and maintaining integration solutions that connect various systems, platforms, and data sources to support seamless business operations. The ideal candidate will have a strong background in backend development, integration platforms, and ETL tools, c
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Posted 3 days ago

Python Architect

MNR Consulting Services

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New York, New York, USA

Contract, Third Party

Job Title: Python Architect Python, React, FastAPILocation: WTC, NYC, NY (Hybrid 3 Days Onsite Weekly)Job Type: ContractExperience Required: 12+ YearsStart Date: ASAP Job Description:We are looking for an experienced Python Architect with a strong background in modern web development to join our high-performing team supporting a major financial client in New York City. This role is an exciting opportunity to work on cutting-edge, cloud-native applications built with React, FastAPI, Vite, and Pyt
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Posted 10 days ago | Updated 10 days ago

Lead Java/Spring Boot API Developer with Pro*C Exp

Ace Technologies, Inc.

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Remote

Contract, Third Party

Location : REMOTE Duration :12 months Responsibilities: Backend Development: Design, develop, and maintain robust, scalable APIs using Java and Spring Boot.Implement RESTful services to meet business requirements.Leverage Spring dependency injection.Integrate core Java solutions as backend dependencies when API s are not the ideal solutionLeverage existing legacy code as requirements.Code Quality and Testing: Produce clean, maintainable, and efficient code.Implement comprehensive JUnit tests and
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Posted 60+ days ago | Updated 4 days ago

Lead Java Scala Developer

Teknoviq Solutions

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Remote

Contract, Third Party

What You ll Do Lead the development and testing of key systems and services.Design and shape the technical architecture of our evolving banking core.Translate product requirements into user stories and scalable technical solutions.Develop and maintain highly available, scalable services in a production environment.Mentor and support other engineers, fostering a strong technical culture.Identify and propose new initiatives and technologies to enhance the product ecosystem.Collaborate with cross-f
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Posted 19 days ago | Updated 18 days ago

Java Developer

A2C Consulting

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New York, New York, USA

Contract

Must be able to roll into a permanent position without requiring sponsorship Must be local to NY, NY Join our client as a Java Developer for a contract with a potential to roll into a permanent position in NY, NY. This role is 3 days/week onsite. What you will do:Build time critical and revenue generating applications for investment banking and global capital marketing businessesUse design thinking to improve developer efficiencyApply your knowledge of APIs, components, security standards, testi
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Posted 5 days ago | Updated 5 days ago

Sr. Pega Developer/ Architect - (CLSA Certification Required) -- 100% REMOTE ROLE

Zillion Technologies

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Remote

Contract

THIS IS A DIRECT CLIENT REQUIREMENT ! Those authorized to work without sponsorship are encouraged to apply please. Reach Saakshi Sahni - PLEASE 703- CALL 955- NOW 1070 Sr. Pega Developer / Architect - CLSA CERTIFICATION REQUIRED Duration: Long Term Ongoing Project with NO end Date Direct banking Client Rate : $$ Best Rates Available $$ 100% Fully remote Reach Saakshi Sahni - PLEASE 703- CALL 955- NOW 1070 Job Description: FT Remote A Full Stack Developer works on both front-end and back-end deve
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Posted 46 days ago | Updated 12 days ago