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Senior Full Stack Developer (Java/Python, SQL/PLSQL, AWS)

Company:
Crescens
Location:
Manhattan, NY, 10261
Posted:
January 06, 2026
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Description:

Job title: Senior Full Stack Developer (Java/Python, SQL/PLSQL, AWS)

Location: New York NY (Hybrid)

Duration: 12+ Months

Note: Work hours:37.5 / Week

REQUIREMENTS:

Accomplished at collaborating with cross-functional team

Ability to develop high-quality code, expert at solving complex problems, and advise on design issues.

Understanding of the how develop successful online customer experiences

Experience building web-based applications and APIs

Solid understanding of AJAX, HTML, JavaScript and CSS

Skilled at Python Web Development and familiar with Django and FastAPI Frameworks

Experienced and/or Certified AWS Cloud Developer

Experienced developing and configuring AWS API Gateway

Experienced with Docker Containerization

Experienced with Kubernetes(EKS)

Experience with AWS IAM (Identity Center)

Knowledgeable of Server and Serverless Deployment strategies

Experience in windows and Linux OS Scripting languages (PowerShell, bash)

Solid understanding of SQL and Oracle PL/SQL

Familiarity/Experience with Financial or Revenue Applications

JOB RESPONSIBILITIES:

Develop and implement custom modules and APIs in Python

Develop and deployment of a real-time transaction system to support ticket validation

API Develop

Development Tooling & Documentatio

Build Web Application Frontends for Internal Applications

Build Web Application Frontends for External Customer Applications

Participate in daily meetings and regular planning and review sessions. Interact with cross-functional teams to ensure complete delivery of web applications.

Provide documentation and participate in code reviews, planning sessions and routine status stand-ups.

Provide accurate level-of-effort time estimates and provide recommendations for feature prioritization

Assist in release/deployment planning and execution activities

Create visually appealing interfaces

Test cross-browser, cross-platform, and/or cross-device compatibility

Test for compliance to standards, such as accessibility, in the clients' region or domain

Conduct observational user testing and review designs against usability heuristics QUALIFICATIONS:

A Bachelor degree in Computer Science or a related field (or combined with related experience)

Understanding of HTML, JavaScript and CSS

Ability to communicate and work well with others

Ability to handle a fast-paced work environment, deadlines and new challenges

Knowledge of SEO coding best practices is a plus

Knowledge and/or advanced level Python, PHP, SQL / Oracle PL/SQL

Experience with object-oriented design and data modelling

Familiarity with user experience design principles and processes

Experience with third-party applications/tools and integration

Knowledge of web application security considerations

Proficient and experienced in AWS Cloud Development and Deployment

Experience with source/version control systems (GITHub)

Excellent verbal/written communication skills and strong time management and analytical/problem solving abilities. Skills:-

Java

PLSQL

SQL

Win Server 2016/2019/2012/2008/2003

sset Inventory Architecture, Information Management, and Maintenance Systems Python Scripting

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