What are the responsibilities and job description for the Senior Application Developer position at TECHNOLOGY & INNOVATION?
Senior Application Developer
- TECHNOLOGY & INNOVATION
Posted On: 05/12/2026
- Full-Time
Location
BROOKLYN
- Exam May Be Required
Department
APP ENG: DEVOPS
Salary Range:
$68,214.00 – $138,385.00
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Job Description
The Office of Technology and Innovation (OTI) leverages technology to drive opportunity, improve public safety, and help government run better across New York City. From delivering affordable broadband to protecting against cybersecurity threats and building digital government services, OTI is at the forefront of how the city delivers for New Yorkers in the 21st century. Watch our welcome video to see our work in action, follow us on social media @NYCOfficeofTech, and visit www.nyc.gov/oti to learn more.
At OTI, we offer great benefits, and the chance to work on projects that have a meaningful impact on millions of people. You'll have the opportunity to work with cutting-edge technology and collaborate with other passionate professionals who share your drive and commitment to making a difference through technology.
Are you ready for an exciting opportunity to shape the future of web application development and make a direct impact on New Yorkers' lives? We’re looking for a dynamic individual to join our team as a Senior Application Developer, responsible for designing, building, modernizing, and maintaining essential NYC internal and external web applications. These applications serve more than 500,000 users annually, and your work will be pivotal in ensuring their continued success and modernization.
About our team:
The DevOps team at OTI primarily builds public-facing and internal web applications to support City initiatives and operations. We take pride in utilizing modern technologies for most of our application portfolio, including AWS, containerization, and Azure DevOps. As a Senior Application Developer, you will play a key role in maintaining, enhancing, and modernizing various applications, ensuring they remain up to date and deliver excellent user experience. Your expertise will be critical in driving innovation and resolving technical challenges, ensuring the continued success of these vital services for New York City.
Responsibilities will include:
HOURS/SHIFT
Day - Due to the necessary technical duties of this position in a 24/7 operation, candidate may be required to work various shifts such as weekends and/or nights/evenings.
WORK LOCATION
Brooklyn, NY
TO APPLY
Please go to www.cityjobs.nyc.gov and search for Job ID #779427
SUBMISSION OF A RESUME IS NOT A GUARANTEE THAT YOU WILL RECEIVE AN INTERVIEW
APPOINTMENTS ARE SUBJECT TO OVERSIGHT APPROVAL
This position is open to qualified persons with a disability who are eligible for the 55-a Program.
Please indicate in your cover letter that you would like to be considered for the position under the 55-a program
OTI participates in E-Verify
TELECOMMUNICATIONS MANAGER (NO - 8298A
At OTI, we offer great benefits, and the chance to work on projects that have a meaningful impact on millions of people. You'll have the opportunity to work with cutting-edge technology and collaborate with other passionate professionals who share your drive and commitment to making a difference through technology.
Are you ready for an exciting opportunity to shape the future of web application development and make a direct impact on New Yorkers' lives? We’re looking for a dynamic individual to join our team as a Senior Application Developer, responsible for designing, building, modernizing, and maintaining essential NYC internal and external web applications. These applications serve more than 500,000 users annually, and your work will be pivotal in ensuring their continued success and modernization.
About our team:
The DevOps team at OTI primarily builds public-facing and internal web applications to support City initiatives and operations. We take pride in utilizing modern technologies for most of our application portfolio, including AWS, containerization, and Azure DevOps. As a Senior Application Developer, you will play a key role in maintaining, enhancing, and modernizing various applications, ensuring they remain up to date and deliver excellent user experience. Your expertise will be critical in driving innovation and resolving technical challenges, ensuring the continued success of these vital services for New York City.
Responsibilities will include:
- Design, develop, and maintain enterprise-grade Java applications for public-facing and internal NYC platforms.
- Develop and maintain Web applications, RESTful services, and microservices using Spring Boot.
- Containerize, deploy, and manage applications in cloud environments (AWS and/or Azure).
- Collaborate with product owners, project managers, and cross-functional teams to gather requirements and deliver solutions on time.
- Ensure adherence to NYC security and compliance standards.
- Lead code and design reviews and provide mentorship to junior developers.
- Participate in all phases of the SDLC including requirements, design, coding, testing, and deployment.
- Partner with cross-functional teams including QA, Security, DevOps, and Infrastructure to ensure compliance, system stability, and
- Lead performance tuning, optimization, and troubleshooting initiatives for applications operating in complex, distributed environments.
- Drive continuous improvements in development, testing, and deployment workflows to increase overall team efficiency and code quality.
- Contribute to architectural decisions and technology roadmaps, evaluating emerging frameworks to enhance solution quality.
- Maintain rigorous standards for code maintainability and produce detailed technical documentation for all system architectures.
- Handle special projects and initiatives assigned.
HOURS/SHIFT
Day - Due to the necessary technical duties of this position in a 24/7 operation, candidate may be required to work various shifts such as weekends and/or nights/evenings.
WORK LOCATION
Brooklyn, NY
TO APPLY
- Special Note: Taking and passing civil service exams are necessary to maintain employment with the City of New York. Please check the Department of Citywide Administrative Services (DCAS) website (http://www.nyc.gov/html/dcas/html/work/exam_monthly.shtml) for important exam filing information. Please ensure that you are either a permanent employee in the civil service title listed on this posting, or, that you file for the examination when there is an open filing period. For more information regarding the civil service process, please visit the DCAS website at: http://www.nyc.gov/html/dcas/html/work/work.shtml
- Interested applicants with other civil service titles who meet the preferred requirements should also submit a resume for consideration
Please go to www.cityjobs.nyc.gov and search for Job ID #779427
SUBMISSION OF A RESUME IS NOT A GUARANTEE THAT YOU WILL RECEIVE AN INTERVIEW
APPOINTMENTS ARE SUBJECT TO OVERSIGHT APPROVAL
This position is open to qualified persons with a disability who are eligible for the 55-a Program.
Please indicate in your cover letter that you would like to be considered for the position under the 55-a program
OTI participates in E-Verify
TELECOMMUNICATIONS MANAGER (NO - 8298A
Minimum Qualifications
1. A baccalaureate degree from an accredited college including or supplemented by 24 credits in the field of voice and/or data telecommunications or in a pertinent scientific, technical, electronic or related area, and four years of satisfactory fulltime experience in the performance of analytical, planning, operational, technical, or administrative duties in a voice and/or data telecommunications or closely related electronics planning, management, and/or service organization, one year of which must have been in a highly specialized capacity and 18 months must have been in an executive, managerial, or administrative capacity or in the supervision of staff performing work in the voice and/or data telecommunications field; or
2. An associate degree from an accredited college including or supplemented by 12 credits in the field of voice and/or data telecommunications or in a pertinent, scientific, technical, electronic or related area and five years of experience as described in "1" above; or
3. Education and/or experience equivalent to "1" above. However, all candidates must have at least a four-year high school diploma or its educational equivalent and one year of the specialized experience as described in "1" above and must possess the 18 months of executive, managerial, administrative or supervisory experience as described in "1" above.
Preferred Skills
The successful candidate should possess the following: - 10 years of applied expertise in Java (Java 17 preferred), with a proven track record of designing, developing, and maintaining high-throughput, distributed enterprise systems. - Extensive experience building enterprise-grade applications using Spring Boot, Spring MVC, and Spring Security. - Strong experience designing, deploying, and optimizing large-scale cloud solutions on AWS and Azure, including cloud security, performance tuning, and automated scaling. - Deep expertise in Docker and containerized architecture, including building solutions and guiding teams on containerization best practices. - Proficiency in CI/CD pipelines and tools such as Azure DevOps, Git, Maven, and Gradle for automated build and deployment processes. - Solid experience with relational databases including PostgreSQL, Oracle, and SQL Server, with strong SQL and performance optimization skills. - Strong understanding of object-oriented design principles, secure coding standards, and enterprise integration patterns. - Experience with messaging middleware such as WebSphere MQ and AWS SQS for building reliable, event-driven systems. - Applied experience with Apache Spark and Elasticsearch (or similar technologies) for data processing, indexing, search capabilities, and supporting business workflows. - 2 years of applied experience in Python development and building public-facing web applications using React. - Practical knowledge of Temporal for distributed workflow orchestration and familiarity with FICO Blaze Rules development. - Experience leveraging AI-assisted development tools like GitHub Copilot and ChatGPT to improve productivity, code quality, and delivery speed - Excellent communication and documentation skills.
55a Program
This position is also open to qualified persons with a disability who are eligible for the 55-a Program. Please indicate at the top of your resume and cover letter that you would like to be considered for the position through the 55-a Program.
Public Service Loan Forgiveness
As a prospective employee of the City of New York, you may be eligible for federal loan forgiveness programs and state repayment assistance programs. For more information, please visit the U.S. Department of Education’s website at https://studentaid.gov/pslf/.
Residency Requirement
New York City residency is generally required within 90 days of appointment. However, City Employees in certain titles who have worked for the City for 2 continuous years may also be eligible to reside in Nassau, Suffolk, Putnam, Westchester, Rockland, or Orange County. To determine if the residency requirement applies to you, please discuss with the agency representative at the time of interview.
Additional Information
The City of New York is an inclusive equal opportunity employer committed to recruiting and retaining a diverse workforce and providing a work environment that is free from discrimination and harassment based upon any legally protected status or protected characteristic, including but not limited to an individual's sex, race, color, ethnicity, national origin, age, religion, disability, sexual orientation, veteran status, gender identity, or pregnancy.
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Job ID
779427
Posted until
07/06/2026
Title code
8298A
Civil service title
TELECOMMUNICATIONS MANAGER (NO
Title classification
Competitive-1
Business title
Senior Application Developer
- Experience Level:Experienced (Non-Manager)
Job level
00
Number of positions
1
Work location
2 Metro Tech
- Category:Technology, Data & Innovation
Senior Application Developer
Salary : $68,214 - $138,385