Senior Application Developer jobs in New York – Browse 5,370 openings on RoboApply Jobs

Senior Application Developer jobs in New York

Open roles matching “Senior Application Developer” with location signals for New York. 5,370 active listings on RoboApply Jobs.

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City of New York logo
Full-time|On-site|New York

Role overview The City of New York seeks a Senior Application Developer for a full-time, onsite position in New York. This role centers on designing, building, and maintaining software applications that help deliver city services and address public needs. What you will do Develop, test, and maintain software applications used by various city departments Use …

Apr 25, 2026
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Innovative Solutions logo
Full-time|On-site|Reports into Rochester, NY

Join our dynamic professional services team as a Senior Cloud Architect, where you'll spearhead the design and implementation of cutting-edge cloud-native applications tailored to our clients' needs. This role demands extensive knowledge in backend development, modern frameworks, and cloud-native architectures to facilitate client modernization projects. We seek a proactive architect and technical mentor who is passionate about driving innovation while delivering robust, secure, and maintainable solutions.Key Responsibilities and Performance Metrics:- Develop scalable, secure, and maintainable cloud-native applications that fulfill client specifications.- Produce and update application architecture documentation and design patterns.- Establish standardized frameworks and templates for various application development projects.- Facilitate technical discovery workshops and architecture review sessions with clients.- Provide hands-on leadership for complex application development initiatives.- Conduct code reviews to ensure compliance with coding standards and best practices.- Act as the primary technical advisor for application development engagements.- Perform application assessments and formulate modernization roadmaps.- Present technical solutions and strategic recommendations to client stakeholders.- Collaborate with sales and solutions teams to scope application development projects accurately.- Mentor junior and mid-level developers in modern application development methodologies.- Contribute to the internal knowledge base and documentation on development standards.- Ensure timely project delivery within budget while maintaining quality benchmarks.- Work closely with project managers to provide accurate effort estimates and technical insights.

Oct 14, 2025
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Merge API Integration Sandbox logo
Application Developer

Merge API Integration Sandbox

Full-time|On-site|Newyork

Join our dynamic team as an Application Developer, where your expertise will contribute to the design, development, testing, and maintenance of high-quality software applications. We are looking for a talented individual who enjoys working in an agile environment and has a passion for coding.Key ResponsibilitiesDevelop, test, and deploy applications that align with business requirements.Collaborate closely with cross-functional teams, including product managers, designers, and QA engineers.Create clean, scalable, and maintainable code adhering to industry best practices.Troubleshoot, debug, and enhance existing applications.Engage in code reviews and promote continuous improvement within the team.Integrate third-party APIs and services as needed.Maintain comprehensive technical documentation for architecture, design, and processes.Ensure the security, performance, and reliability of applications.Keep abreast of emerging technologies and industry trends.

Jan 26, 2026
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City of New York logo
Full-time|On-site|New York City

Join the City of New York as the Director of Application Development, where you will lead the strategy and execution of software development initiatives that impact millions of residents. You will oversee a team of skilled developers, driving innovation and excellence in application design and implementation. Your role will be pivotal in enhancing the city's technological infrastructure, ensuring the delivery of robust and user-friendly applications.

Apr 10, 2026
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reddit, Inc. logo
Full-time|On-site|New York City, NY

Join our dynamic team at reddit as a Senior Client Account Specialist in Application Development. In this crucial role, you will serve as the primary liaison for our clients, ensuring their needs are met through innovative application solutions. You will collaborate with cross-functional teams to drive the development and implementation of applications tailored to client specifications. Your expertise will enhance client satisfaction and foster long-term relationships.

Mar 17, 2026
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Momenti Inc. logo
Full-time|On-site|200 Varick St #802, New York, NY 10014

Join Momenti - Innovators in Interactive Video:At Momenti, we believe that content should be dynamic and engaging. Our mission is to revolutionize the way video is experienced by creating interactive, multi-dimensional video content that fosters deeper emotional connections. We are on the forefront of a content revolution that transforms static visuals into immersive moments. If you're passionate about bringing videos to life and breaking traditional boundaries, we want you on our team!Position Overview:We are seeking a passionate and experienced Senior Flutter Developer to lead the design and development of innovative mobile applications for both Android and iOS platforms. You will work with a collaborative team to create intuitive and robust applications that utilize Flutter's powerful cross-platform capabilities. Your expertise will be essential in crafting features that enhance user experiences, and your commitment to high-quality code will drive our success.Key Responsibilities:• Develop and deploy high-performing apps for Android and iOS using a unified codebase.• Write clean, maintainable, and well-documented Dart code, ensuring future scalability.• Collaborate with cross-functional teams, sharing insights and innovations to enhance our development processes.• Grasp design fundamentals to create user-friendly interfaces.• Stay abreast of emerging technologies and industry trends.Preferred Qualifications:• Experience in handling traditional media formats such as photos and videos.• Strong proficiency in object-oriented programming, design patterns, and mobile application development.• Familiarity with hybrid mobile frameworks, including React Native and Ionic.Basic Qualifications:• Bachelor's degree in Computer Science, Software Engineering, or a related discipline.• Minimum of 5 years of overall experience, including 3+ years in mobile development (iOS/Android/Web).• Proficient in Flutter or eager to learn and excel in it.• Comprehensive understanding of Frontend frameworks beyond basic utilization.• Adaptability and enthusiasm for overcoming challenges in a dynamic startup environment.• Solid grasp of mobile device capabilities and limitations.• Excellent communication and problem-solving skills.• Ability to thrive both independently and as part of a team.• Capacity to work effectively in a fast-paced environment with tight deadlines.• Commitment to writing robust, maintainable, and reliable code.

May 8, 2023
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eproinc logo
Full-time|On-site|New York

Join eproinc as a Kdb Application Developer in the vibrant city of New York. You will be at the forefront of developing innovative applications using Kdb technology. This role provides an exciting opportunity to work on complex data challenges and contribute to the growth of our dynamic team.

Jul 8, 2015
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City of New York logo
Application Developer

City of New York

Full-time|On-site|New York City

Role Overview The City of New York is hiring an Application Developer based in New York City. This position focuses on building and supporting software that helps city services run smoothly and reach residents effectively. What You Will Do Design, develop, and maintain applications that serve the city's diverse population Work closely with colleagues to deliver solutions that support public programs and services Use modern technologies to address real-world needs across city departments

Apr 17, 2026
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City of New York logo
Application Developer

City of New York

Full-time|On-site|New York City

Join the City of New York as an Application Developer and contribute to innovative projects that enhance public services. This role involves designing, coding, and maintaining applications that serve the community. You will collaborate with a dynamic team to deliver solutions that improve user experience and operational efficiency.

May 2, 2026
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Palantir Technologies Inc. logo
Full-time|On-site|New York, NY

Join Palantir Technologies as a Senior Backend Software Engineer in our Application Development team, where you will leverage modern technologies to build scalable and robust applications that solve complex challenges. You will collaborate with cross-functional teams to innovate and enhance our backend systems, ensuring optimal performance and reliability.

Apr 6, 2026
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Merge API Integration Sandbox logo
Skilled Application Developer

Merge API Integration Sandbox

Full-time|On-site|new york

Join our dynamic team as a Skilled Application Developer, where you will be responsible for designing, developing, testing, and maintaining high-quality software applications. We are looking for an individual with strong programming skills, full-stack development experience, and a passion for collaboration in an agile environment.

Jan 31, 2026
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reddit, Inc. logo
Full-time|On-site|New York City, NY

Join reddit as a Senior Sales Manager in our Application Development division, where you will lead sales strategies for enterprise solutions. Utilize your extensive experience to drive revenue growth and build strong client relationships. Your leadership will guide a talented team, fostering a collaborative and high-performance environment.In this role, you will analyze market trends, identify opportunities, and develop tailored solutions to meet client needs. Your passion for technology and sales will be key in positioning reddit as a leader in the application development space.

Mar 24, 2026
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City of New York logo
Full-time|On-site|Brooklyn

Join the City of New York as a Senior Application Specialist. In this role, you will leverage your technical expertise to support, develop, and optimize application systems that serve the diverse needs of our city departments. You'll be responsible for ensuring the seamless integration of applications, enhancing user experience, and driving efficiency across various platforms.

Apr 11, 2026
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City of New York logo
Full-time|On-site|Brooklyn

This is a grant-funded position with a tenure extending through June 2029.The Office of Technology and Innovation (OTI) is committed to harnessing technology to create opportunities, enhance public safety, and optimize government operations throughout New York City. From expanding affordable broadband access and combating cybersecurity threats to developing robust digital government services, OTI stands at the forefront of innovative solutions that benefit New Yorkers in the 21st century. Explore our welcome video to see our initiatives in action, follow us on social media @NYCOfficeofTech, and visit www.oti.nyc.gov for more information.At OTI, we provide excellent benefits and the opportunity to engage in projects that significantly impact millions of lives. You will collaborate with cutting-edge technology and a team of dedicated professionals who share your passion for making a difference through technology.The GIS Application Developer will specifically contribute to the 3D Underground Project. The GIS team at OTI develops diverse spatial data solutions and products that facilitate the analysis and utilization of citywide spatial assets. As part of this dynamic team, the GIS Application Developer will assist in collecting spatial data and enabling the 3D mapping of vital underground assets. The 3D Underground program will integrate data from utilities, NYC agencies, universities, and industry partners specializing in Ground Penetrating Radar and other subsurface mapping technologies. This initiative will enhance NYC's understanding of its critical subsurface infrastructure, improving safety for residents and field workers while significantly enhancing capital project planning.Key Responsibilities include:- Developing and maintaining web applications, RESTful services, and microservices.- Designing, developing, and maintaining GIS-enabled applications.- Containerizing, deploying, and managing applications in cloud environments (AWS or Microsoft Azure).- Collaborating with product owners, project managers, and cross-functional teams to gather requirements and deliver solutions punctually.- Leading code and design reviews while mentoring junior developers.- Ensuring code quality and maintainability.- Working with CI/CD pipelines for automated builds, deployments, and testing of cloud applications.- Troubleshooting, debugging, and optimizing GIS applications for performance, scalability, and maintainability.- Adhering to NYC security and compliance standards while following best practices in cloud deployments, API integrations, and access controls.- Maintaining clear and up-to-date technical documentation and contributing to knowledge sharing within the team.- Undertaking special projects and initiatives as assigned for the 3D Underground project.HOURS/SHIFTDay - Given the essential technical duties of this position in a 24/7 operation, the candidate may be required to...

May 5, 2026
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Momenti logo
Full-time|On-site|200 Varick St #802, New York, NY 10014

Company Introduction:At Momenti, we believe in transforming the way content is experienced. Our mission is to make video interactive, creating immersive moments that resonate with users. Join us in revolutionizing content by blending technology with creativity, allowing every captured moment to come alive. Together, let’s break the fourth wall and innovate the future of visual storytelling.Job Overview:We are on the lookout for a passionate and skilled Junior Mobile Application Developer to become a part of our dynamic team in New York. The ideal candidate will play a pivotal role in developing cutting-edge mobile applications that enhance user experience and drive business success. You will be tasked with designing, developing, and maintaining hybrid mobile applications using Flutter.Key Responsibilities:• Design and implement processes, best practices, and tools for mobile application development, with a preference for Flutter expertise.• Engage in code refactoring to enhance application performance.• Collaborate with cross-functional teams to translate user and business requirements into functional frontend code.• Contribute to the design and implementation of innovative products.• Provide insightful feedback to improve features from both engineering and end-user perspectives.• Partner with other engineering teams to elevate technological standards and consistently apply best practices.• Continuously assess and enhance the efficiency, scalability, and stability of our systems.Preferred Qualifications:• Proven experience in Flutter development.• Familiarity with hybrid mobile frameworks such as React Native or Ionic.• Strong understanding of mobile device hardware capabilities and limitations.• Expertise in object-oriented programming, design patterns, and mobile application development.Basic Qualifications:• Bachelor's degree in Computer Science, Software Engineering, or a related discipline.• A minimum of 2 years of overall experience (at least 1 year in iOS/Android/Web development).• Proficiency in Flutter or a strong willingness to learn it.• Understanding of frontend frameworks beyond merely using libraries.• Experience handling traditional media formats such as photos or videos is a plus.• A proactive approach to learning and tackling challenges in a startup environment.• Excellent communication and problem-solving abilities.• Capability to work both independently and collaboratively in a team setting.• Adaptability to a fast-paced work environment with tight deadlines.• Ability to write robust, maintainable, and reliable code.

May 8, 2023
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Reddit Inc. logo
Full-time|On-site|New York City, NY

As a Senior Client Account Manager for Application Development within the enterprise sector at Reddit, you will play a pivotal role in fostering strong client relationships and driving project success. You will work closely with our engineering and product teams to deliver innovative solutions that meet our clients' business needs. Your expertise in account management and your passion for technology will be critical in ensuring client satisfaction and achieving business objectives.

Mar 13, 2026
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City of New York logo
Full-time|On-site|New York City

Join the City of New York as a Web Application Developer and play a key role in enhancing our digital services. We are seeking innovative and passionate individuals who are eager to contribute their skills to public service. In this position, you'll collaborate with cross-functional teams to design, develop, and maintain web applications that serve the diverse needs of our city’s residents.

Apr 30, 2026
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Palantir Technologies logo
Full-time|On-site|New York, NY

Join a Transformative CompanyAt Palantir, we create cutting-edge software that empowers organizations to make data-driven decisions that can change the world. Our platforms enable partners to develop life-saving medicines, predict supply chain disruptions, locate missing persons, and much more by ensuring the right data reaches the right people.Your RoleAs a Senior Front End Software Engineer specializing in application development on Palantir Foundry, you will be instrumental in designing and developing user interfaces that empower thousands of users to build advanced applications that enhance their business operations. You will architect intuitive interfaces, manage state effectively, and establish access patterns to facilitate data-intensive workflows that are both powerful and user-friendly. Your role will involve actively engaging with users to gather insights on their needs and identify opportunities for product improvement. In collaboration with your team, you will address complex UX challenges, drawing on feedback from diverse customer contexts.You'll encounter intricate technical problems that require innovative solutions. Your responsibilities will include designing the solution architecture and planning a practical roadmap for deploying new features. You will take ownership of APIs and schemas that support your frontend code, collaborating closely with backend engineers to develop them.We are seeking engineers who are passionate about tackling real-world challenges and empowering developers and end-users alike. If you are driven to create reliable, high-performance, and scalable systems, and have a desire to design robust APIs and primitives, this position offers a unique opportunity to significantly influence our products and their users.Exclusive Opportunity: FrontlineFoundry Software Engineers may be invited to participate in Frontline, a distinctive program that places you directly with customers. This immersive, short-term assignment allows you to gain invaluable insights into user experiences with our products and the challenges they face, providing an unparalleled perspective that enhances your engineering skills.

Aug 6, 2024
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Empire State Realty Trust, Inc. logo
Full-time|On-site|New York, New York, United States

COMPANY SUMMARYEmpire State Realty Trust, Inc. (NYSE: ESRT) is a premier Real Estate Investment Trust (REIT) based in New York City, dedicated to owning and managing a portfolio of highly sought-after, modernized office, retail, and multifamily properties. Our flagship asset, the iconic Empire State Building, is renowned globally as the 'World's Most Famous Building' and boasts the top-ranked Observatory in New York City, celebrated for four consecutive years in Tripadvisor’s 2025 Travelers’ Choice Awards: Best of the Best Things to Do. We pride ourselves on being a leader in energy efficiency and indoor environmental quality, with a portfolio comprising approximately 7.9 million rentable square feet of office space, 0.8 million rentable square feet of retail space, and 743 residential units as of December 31, 2025. For more about Empire State Realty Trust, please visit our website at esrtreit.com and follow us on Facebook, Instagram, TikTok, X and LinkedIn.At ESRT, our team is a diverse group of individuals united by our commitment to excellence and our vision for future growth. Headquartered in the vibrant city of New York, we harness its energy and inspiration in all our endeavors. We foster a supportive, fun, and engaging work environment, earning us the Certified™ Great Place to Work® recognition from the global authority on workplace culture. We prioritize the health and wellness of our employees, actively investing in their development to attract, nurture, and retain top-tier talent. ESRT is dedicated to continuous improvement and encourages our colleagues to thrive in their roles while adjusting to evolving business needs. From our illustrious Empire State Building to our modernized buildings that cater to 21st-century needs, we take pride in our legacy of outstanding customer service and leadership in sustainability, powered entirely by renewable wind energy. We are looking for a passionate individual to join our team, share our vision, and help us achieve our goals.

Mar 30, 2026
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International Research Institute for Climate and Society logo
Application Developer at Columbia University

International Research Institute for Climate and Society

Full-time|On-site|New York

Join Columbia University's prestigious International Research Institute for Climate and Society as an Application Developer. In this role, you will leverage your expertise to create innovative applications that support our research initiatives and contribute to global climate solutions.

Sep 4, 2015

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