Senior Front End UI Developer, Citi

Citi

Location:
United States, Irving ▼
Tampa

Category:
IT - Software Development

Contract Type:
Employment contract

Salary:

125760.00 - 188640.00 USD / Year

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Job Description:

The Applications Development Technology Lead Analyst is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities.

Job Responsibility:

Lead the design, development and maintenance of scalable full-stack applications using ReactJS, Typescript and NestJS
Translate complex business requirements into technical architecture and design documents
Guide the team in adopting coding standards, best practices and modern development methodologies
Mentor junior and mid-level engineers, performing thorough code reviews and providing technical leadership
Partner with product managers, UI/UX designers and other engineers to plan project scope, estimate timelines and ensure alignment across teams
Contribute to system architecture decisions (e.g. monolith vs microservices, database design, API strategies)
Drive performance optimizations, scalability improvements and system reliability initiatives
Participate in and sometimes lead cross-team technical discussions and solution planning
Support development strategies and CI/CD pipelines, ensuring smooth release processes
Stay current with emerging tools and frameworks, proactively suggesting improvements

Requirements:

Deep proficiency in ReactJS (hooks, context, state management libraries such as Redux/Zustand/Recoil)
At least 3+ years in full-stack development with ReactJS, Typescript, NestJS (or similar frameworks)
Advanced Typescript knowledge or similar language including generics, decorators and advanced typing strategies
Strong experience in NestJS or similar framework (modular architecture, middleware, interceptors, guards, providers)
Expert in API design principals (REST, GraphQL, versioning, error handling, performance tuning)
Proficiency with databases (SQL & NoSQL) and related tools like TypeORM or Prisma
Strong command of modern HTML/CSS, responsive design and accessibility standards
Experience with design systems and component libraries (Material UI, Chakra or custom libraries)
Familiarity with event-driven architecture, messaging queues (Kafka, RabbitMQ, etc)
Skilled in designing distributed systems and scalable applications
Experience with cloud platforms (AWS, GCP or Azure)
Knowledge of DevOps practices (Docker, Kubernetes, Terraform, CI/CD pipelines)
Solid grasp of security best practices (OWASP, secure coding, encryption, auth/authorization models)
Excellent problem-solving, debugging and optimization abilities
Strong mentorship and leadership skills within technical teams
Experience leading or contributing to architecture reviews, RFCs or technical strategy sessions
Hands-on experience with large-scale, production-grade applications
Experience working in agile environments and collaborating with cross-functional teams
Prior involvement in system architecture discussions, project planning and technical leadership

What we offer:

medical, dental & vision coverage
401(k)
life, accident, and disability insurance
wellness programs
paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays

Additional Information:

Job Posted:
September 11, 2025

Expiration:
September 16, 2025

Employment Type:

Fulltime

Work Type:

On-site work

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Senior Front End UI Developer

Citi

Location:United States, Irving ▼Tampa

Category:IT - Software Development

Contract Type:Employment contract