Top 50 database developer Jobs in mayport, fl

Fraud .NET Developer, AVP
Citi —Jacksonville, FL
- $96,960 - $145,440 a year
- Full-time
- Mid-level
- Office
- Continuous improvement
- Paid holidays
- Disability insurance
Common Platforms Java Developer-Assistant Vice President
Citi —Jacksonville, FL
- $96,960 - $145,440 a year
- Full-time
- 5 years
- System design
- Office
- Paid holidays
- Disability insurance
3d
Junior Database Developer
Dark Horse Technologies —Mayport, FL
- $82,000 - $100,000 a year
- Full-time
- Background check
- Computer science
- Microsoft Access
- Health insurance
- Dental insurance
Quick Apply
Junior Database Developer
S2Technologies —Jacksonville, FL
- $68,000 - $96,000 a year
- Full-time
- Microsoft Access
- Military
- 3 years
- Disability insurance
- Health insurance
Quick Apply
DBA / DATABASE DEVELOPER
IntellectFaces —Jacksonville, FL
- $30 an hour
- Contract
- Mid-level
- SQL
- AWS
3d
Metrics Business Analyst
S2Technologies —Jacksonville, FL
- $50,000 - $96,000 a year
- Full-time
- Microsoft Access
- Military
- 3 years
- Disability insurance
- Health insurance
Quick Apply
Web Developer
Sunset Intimates Group Inc —Jacksonville, FL
- Full-time
- Mid-level
- 3 years
- SQL
- Paid time off
Quick Apply
Full Stack Java Developer
Micor Industries —Jacksonville, FL
- $1,426.75 - $1,718.23 a week
- Contract
- Azure
- System design
- Mid-level
Quick Apply
13d
Business Intelligence Developer
iCube Consulting Services —Jacksonville, FL
- Email
- Computer Science
- Software troubleshooting
- English
- Disability insurance
- Health insurance
Python/R Developer
Robotics Technologies —Jacksonville, FL
- Mid-level
- 3 years
- SQL
Python/ R Developer
Robotics Technologies —Jacksonville, FL
- Mid-level
- 3 years
- SQL
Senior Data Engineer
Intercontinental Exchange Holdings, Inc. —Jacksonville, FL
- Full-time
- Computer Science
- Bachelor of Science
- Writing skills
Engineer II
Intercontinental Exchange Holdings, Inc. —Jacksonville, FL
- Full-time
- Computer science
- Computer Science
- Mid-level
IS Applications System Analyst II
CareSpot Urgent Care —Jacksonville, FL
- 5 years
- Experience equivalent to degree accepted
- Senior level
Quick Apply
.NET Full Stack Developer - Microservices
Citi —Jacksonville, FL
- $96,960 - $145,440 a year
- Full-time
- Hybrid work
- SQL
- Bachelor's degree
- Experience equivalent to degree accepted
- Paid holidays
- Disability insurance
Senior Java Developer
N2 Services —Jacksonville, FL
- Microsoft Access
- Office
- Senior level
Oracle Developer with Java
Noblesoft Solutions —Jacksonville, FL
- Contract
- Software troubleshooting
- 5 years
- System design
Quick Apply
Senior Data Developer
APCO Holdings —Ponte Vedra, FL
- Full-time
- Hybrid work
- Computer Science
- 5 years
- Java
- Paid holidays
- Health insurance
Quick Apply
14d
Senior Software Developer
Andromeda Systems Incorporated —Jacksonville, FL
- Full-time
- Background check
- US work authorization
- Senior level
- AD&D insurance
- Paid holidays
Automation Developer (AI)
Acosta Group —Jacksonville, FL
- $84,100 - $105,000 a year
- Full-time
- 5 years
- Bachelor of Science
- Java
Quick Apply

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Fraud .NET Developer, AVP

Citi -
Jacksonville, FL

Apply Now

Job Details

Full-time
$96,960 - $145,440 a year

Benefits

Paid holidays
Disability insurance
Health insurance
Dental insurance
401(k)
Paid time off
Vision insurance

Qualifications

Systems integration
Data systems development
MVC
CSS
Continuous Delivery (CD) implementation
Bootstrap
Tooling
Application Architecture Design (Architecture design skill)
.NET Core
NoSQL
Integration Architecture Design (Architecture design skills)
Scalable systems
Schema design
Enterprise software systems development
Microservices
JavaScript
Scalability
System deployment
UI
Systems & applications support
Back-end integration
DevOps automation
PL/SQL
User-facing feature development
T-SQL

Full Job Description

Overview of the Role

Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management.

As a bank with a brain and a soul, Citi creates economic value that is systemically responsible and in our clients’ best interests. As a financial institution that touches every region of the world and every sector that shapes your daily life, our Enterprise Operations & Technology teams are charged with a mission that rivals any large tech company. Our technology solutions are the foundations of everything we do from keeping the bank safe, managing global resources, and providing the technical tools our workers need to be successful to designing our digital architecture and ensuring our platforms provide a first-class customer experience. We reimagine client and partner experiences to deliver excellence through secure, reliable, and efficient services.

Our commitment to diversity includes a workforce that represents the clients we serve from all walks of life, backgrounds, and origins. We foster an environment where the best people want to work. We value and demand respect for others, promote individuals based on merit, and ensure opportunities for personal development are widely available to all. Ideal candidates are innovators with well-rounded backgrounds who bring their authentic selves to work and complement our culture of delivering results with pride. If you are a problem solver who seeks passion in your work, come join us. We’ll enable growth and progress together.

Job Overview

We are seeking a skilled Fraud .NET Developer to design, develop, support, and maintain scalable applications that enable fraud detection, prevention, and investigation. This role requires strong hands‑on experience with .NET Core, microservices architecture, API development, database technologies, and production support in a highly regulated financial environment.

Key Responsibilities

Development & Engineering

Design and develop automated workflows integrating multiple APIs, databases, and application user interfaces.
Build, enhance, and maintain microservices-based applications using .NET Core and modern design patterns.
Design, develop, and optimize database schemas, stored procedures, and functions to support high‑volume fraud processing.
Collaborate with business partners, architects, and analysts to translate requirements into technical user stories and provide accurate development estimates.

SDLC, DevOps & Compliance

Manage code promotion across environments and maintain required SDLC and compliance artifacts.
Ensure code repository hygiene, including branching strategies, pull requests, peer reviews, and adherence to developer productivity and quality metrics.
Participate in CI/CD pipelines, deployment automation, and release activities using DevOps tooling.

Production Support

Provide production support for fraud applications, including monitoring, troubleshooting, and resolving application and data issues.
Investigate and resolve production incidents, root cause defects, and performance issues in accordance with SLAs.
Partner with operations and business teams to ensure application stability, availability, and reliability.
Support post‑release validation, incident triage, and continuous improvement initiatives.
Participate in on‑call or rotational support as required.

Testing & Release

Participate in User Acceptance Testing (UAT) and defect resolution to meet release timelines.
Support production deployments and ensure smooth post‑release operations.

Required Qualifications

Technical Skills

Frontend Development
- ASP.NET Core, MVC
- JavaScript, Bootstrap, CSS
Backend & Services
- Microservices development using .NET Core
- Strong understanding of microservices architecture and design patterns
- RESTful API design and integration
Database Technologies
- MS SQL Server (T‑SQL)
- Oracle (PL/SQL)
- Couchbase or other NoSQL databases
- Experience designing scalable, high‑performance database solutions
DevOps & SDLC
- Experience with tools such as GitHub, Lightspeed, Harness, and Tekton
- Strong understanding of CI/CD pipelines, deployment automation, and release management
- Experience working in regulated, compliance‑driven environments

Preferred Qualifications

Experience with test automation using Selenium
Understanding of AI fundamentals, including:
- Prompt engineering
- Model interaction and integration with enterprise AI tools
Experience with containers and orchestration platforms, such as Docker and OpenShift
Prior experience in fraud, risk, payments, or financial services technology
Experience supporting mission‑critical production systems

Job Family Group:

Technology

Job Family:

Applications Development

Time Type:

Full time

Primary Location:

Jacksonville Florida United States

Primary Location Full Time Salary Range:

$96,960.00 - $145,440.00

In addition to salary, Citi’s offerings may also include, for eligible employees, discretionary and formulaic incentive and retention awards. Citi offers competitive employee benefits, including: medical, dental & vision coverage; 401(k); life, accident, and disability insurance; and wellness programs. Citi also offers paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays. For additional information regarding Citi employee benefits, please visit citibenefits.com. Available offerings may vary by jurisdiction, job level, and date of hire.

Most Relevant Skills

Please see the requirements listed above.

Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

Anticipated Posting Close Date:

Jun 11, 2026

Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.

View Citi’s EEO Policy Statement and the Know Your Rights poster.

Apply Now

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