Java Backend Lead Developer Jobs in New York, NY

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Senior Software Engineer

Kforce Technology Staffing

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Remote or New York, New York, USA

Full-time

RESPONSIBILITIES: Kforce has a client that is seeking a Senior Software Engineer in New York, NY. Duties Include: * Analyzing requirements, procedures, and problems to improve existing systems and modifying systems * Building and owning scalable microservices that are responsible for reliable and secure APIs that transfer value and assets across all blockchain protocols as well as traditional banking protocols * Collaborating with Product and Engineering teams to design, test, and shape feature
Posted 60+ days ago | Updated 1 hour ago

Data Scientist

Aditi Consulting

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Remote or Thousand Oaks, California, USA

Contract

Payrate: $45.50 - $50.05/hr. Summary: This role will involve integrating complex data sources, performing data analytics, and developing visualizations and dashboards and helping to design and implement sophisticated process automation for business processes, analytical models, and artificial intelligence applications. Responsibilities: Build a wide range of data and analytics solutions, from descriptive to prescriptive, using advanced statistical and machine learning models. Leverage large data
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Posted 8 days ago | Updated moments ago

Fullstack Architect

Photon

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Remote

Full-time, Third Party

We are seeking a visionary and hands-on Fullstack Architect with deep expertise in Java, React.js, and application/web architecture to lead the design and development of scalable, secure, and high-performance solutions. This role involves owning the full stack technology direction, mentoring development teams, and ensuring architectural alignment with business goals. Key Responsibilities:Design and oversee the architecture of fullstack solutions (backend, frontend, web, and app platforms).Define
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Posted 15 days ago | Updated 14 days ago

Senior Full Stack Engineer, Growth

Calendly

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Remote

Full-time

About The Opportunity Calendly is one of the most loved scheduling platforms in the world - and our opportunity for product-led growth is still massive. As a senior full stack engineer on our Growth team, you'll work on high-impact experiments that drive acquisition, activation, retention, and monetization for millions of users. This is not a typical feature development role. You'll ship measurable experiments across the stack, build rapid MVPs, dig into data, and help shape our growth strateg
Posted 24 days ago | Updated 6 hours ago

AI Engineer/ Onsite in NYC NY or Orlando FL- 3-6 months Contract

Suncap Technology

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New York, New York, USA

Contract

AI Engineer Orlando, FL or NYC, NY (Onsite) 3 to 6 Months Contract What You'll Get to Do: Architect and develop autonomous AI systems that integrate LLMs with multi-modal capabilities (text, image, audio, and video) to support complex, real-world tasks Create robust agentic workflows enabling AI agents to interact autonomously with data sources and external APIs using advanced prompt engineering and retrieval-augmented generation (RAG) Fine-tune and optimize pre-trained large language models a
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Posted 60+ days ago | Updated 2 hours ago

ArcGIS Full Stack Developer

Creative IT Inc

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Remote

Third Party, Contract

Job Summary: We are seeking Senior Full Stack Developers with strong expertise in Angular 19, Java/Spring Boot, and ESRI ArcGIS. The ideal candidates will possess deep front-end and back-end development experience and must have hands-on knowledge of ESRI ArcGIS tools and APIs. This role is critical in delivering robust, scalable, and map-integrated web applications. Key Responsibilities: Design and develop full stack web applications using Angular 19, Spring Boot, and ArcGIS.Build interactive GI
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Posted 7 days ago

Staff Software Engineer, Atlas Growth

mongoDB, inc

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New York, New York, USA

Full-time

MongoDB's mission is to empower innovators to create, transform, and disrupt industries by unleashing the power of software and data. We enable organizations of all sizes to easily build, scale, and run modern applications by helping them modernize legacy workloads, embrace innovation, and unleash AI. Our industry-leading developer data platform, MongoDB Atlas, is the only globally distributed, multi-cloud database and is available in more than 115 regions across AWS, Google Cloud, and Microsoft
Posted 57 days ago | Updated 6 hours ago

Cisco UCCE Full Stack Developer with Nuance

SOIMEXCS

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Remote

Contract

Job Title: Cisco UCCE Full Stack Developer with Nuance Location: Remote (USA) Job Type: Contract Pay Rate: $60/hour. Sponsorship: H1B and Sponsorship available. No OPT F1 Experience Level: 8+ Years Job Description: One of our team needs a Cisco UCCE Full Stack Developer with experience in Nuance speech recognition technologies. This role includes developing, maintaining, and supporting Cisco UCCE solutions, integrating with Nuance speech applications Requirements: * 8+ years of experience deve
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Posted 8 days ago

SaaS Web and AI Application Developer

Ecosystems Services, LLC

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Remote

Full-time, Third Party

Job Description: SaaS Web and AI Application Developer Why Join? Deep impact: Shape a category-defining SaaS platform used by industry leaders, such as Google Cloud, HP, and ServiceNow.Fast-paced innovation: Work in AI/ML, next-gen user experience, real-time data, APIs and microservices.Remote-first excellence: Supported by a world-class, collaborative team.Purpose-led environment: Make genuine contributions to client and team success through continual innovation. Who Were Looking For A motivate
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Posted 30 days ago | Updated 24 days ago

Ruby on Rails Developer

kjohn@samrusystems.com

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Remote

Full-time

Ruby On Rails Developer (Need to have experience Leading team and working on Complex Projects) Minneapolis, MN - 3 Roles Remote Required Qualifications: Ruby on Rails or similar MVC framework knowledge (Django, Spring, etc.) Ruby experience or similar dynamic language (Javascript, Python) MongoDB or similar NoSql database. Front end skills (HTML, CSS, Vue.js or similar). Strong communication and problem solving skills. Attention to detail and clean coding skills. Preferred Qualifications: Expe
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Posted 20 days ago | Updated 5 days ago

Director Entitlements & UI (Apps Development Sr Group Mgr) - C15

Citi

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Remote or Jersey City, New Jersey, USA

Full-time

The Applications Development Senior Group Manager is a senior management level position responsible for accomplishing results through the management of a team or department in an effort to establish and implement new or revised application systems and programs in coordination with the Technology Team. The overall objective of this role is to drive applications systems analysis and programming activities. Responsibilities: Manage/develop multiple teams of professionals to accomplish established
Posted 60+ days ago | Updated 6 hours ago

Cyber Data Intelligence Quality Assurance Analyst

Pyramid Consulting, Inc.

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Remote

Contract

Immediate need for a talented Cyber Data Intelligence Quality Assurance Analyst. This is a 12+ months contract opportunity with long-term potential and is located in Charlotte, NC ,Raleigh, NC , Atlanta, GA , Richmond ,VA , Wilson, NC (Remote). Please review the job description below and contact me ASAP if you are interested. Job ID: 25-77397 Pay Range: $70 - $74/hour. Employee benefits include, but are not limited to, health insurance (medical, dental, vision), 401(k) plan, and paid sick leave
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Posted 7 hours ago

VP - Lead Software Engineer, Fixed Income - Parametric

Morgan Stanley

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New York, New York, USA

Full-time

ABOUT MORGAN STANLEY Morgan Stanley is a leading global financial services firm providing a wide range of investment banking, securities, wealth management and investment management services. With offices in more than 41 countries, the Firm's employees serve clients worldwide including corporations, governments, institutions and individuals. For further information about Morgan Stanley, please visit ;br> ABOUT PARAMETRIC Parametric is part of Morgan Stanley Investment Management, the asset manag
Posted 60+ days ago | Updated 6 hours ago

Quantitative Developer

London Stock Exchange Group

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New York, New York, USA

Full-time

LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a commitment to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, manage risk and create jobs. It's how we've contributed to supporting the financial stab
Posted 11 days ago

Scala Developer-Remote

mProgen

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Remote

Contract

Design and develop RESTful and GraphQL APIs using Java and ScalaBuild event-driven services and microservices that produce and consume messages via Apache KafkaImplement backend systems using frameworks like Spring Boot, Akka HTTP, or PlayEnsure reliable, fault-tolerant Kafka integration, including schema validation, error handling, and retriesCollaborate with frontend and platform teams to define clear API contracts and integration patternsContribute to code quality, testing, and CI/CD automati
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Posted 12 days ago | Updated 13 hours ago

Android Principal Software Engineer

Peterson Technology Partners

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Remote

Contract

Our client is looking for a bright, energetic Android Principal Software Engineer to join our team. You will have the opportunity to make a significant impact on our omnichannel customer-facing mobile experiences. In addition to having direct influence in mobile domain, you will also be indirectly involved within web, mobile web, core services, and back-end business service application domains. Our client prides itself on creating the next generation E-Commerce platform for our valued retailers.
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Posted 5 hours ago | Updated 1 hour ago

Sr. Kony Developer

Fiekon

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Remote

Contract

Role: Sr Kony Developer Location: Cincinnati, OH (Initial Remote) Job Type: Long Term Contract Job Overview: We are currently seeking a highly skilled Senior Kony Developer to support a leading client in the banking domain. The ideal candidate will have extensive experience with the Kony (now Temenos Quantum) platform, particularly Kony Visualizer and MobileFabric, and a strong background in enterprise mobile application development. A thorough understanding of backend integration and experience
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Posted 22 days ago

Director of Software Development

S&P Consultants

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New York, New York, USA

Full-time

About the Role: Grade Level (for internal use): 13 Job Description The Team: We are building an end-to-end client lifecycle management solution, where technology drives procedural automation and standardization. Our solution includes industry-leading modules and tools widely adopted by financial institutions. This strategic initiative spans the entire client lifecycle-from onboarding to maintenance and offboarding-while providing seamless integration with various in-house products. We leverage
Posted 7 days ago | Updated 6 hours ago

Director of Software Development

S&P Global

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New York, New York, USA

Full-time

About the Role: Grade Level (for internal use): 13 Job Description The Team: We are building an end-to-end client lifecycle management solution, where technology drives procedural automation and standardization. Our solution includes industry-leading modules and tools widely adopted by financial institutions. This strategic initiative spans the entire client lifecycle-from onboarding to maintenance and offboarding-while providing seamless integration with various in-house products. We leverage
Posted 9 days ago

Senior Genesys Cloud Developer (Certified)

3S Business Corporation Inc.

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Remote

Contract, Third Party

Hi Hope doing good. Please find the JD and let me know. Job Title: Senior Genesys Cloud Developer (Certified) Remote Contract (C2C/W2) Location: 100% Remote (U.S. Time Zones Preferred) Job Type: Contract C2C / W2 We are actively seeking a Senior Genesys Cloud Developer with 10+ years of experience in contact center technologies, specializing in Genesys Cloud IVR development and AWS integration. The ideal candidate is a certified Genesys Cloud professional with strong hands-on expertise in design
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Posted 14 days ago | Updated 5 days ago