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UNICON International Inc.

Senior Full Stack Application Developer / Tech Lead

Hybrid

Torrance, United states

$ 137,000 /year

Senior

Full Time

19-10-2025

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Skills

Communication Time Management Adaptability Python Java JavaScript HTML CSS SQL NoSQL Big Data Data Warehousing MySQL MongoDB PostgreSQL CI/CD DevOps Version Control AWS Lambda AWS CloudFormation Problem-solving Effective Communication Database Management Machine Learning Databases git angular Organization react node.js AWS Software Development Agile HTML/CSS HTML/CSS/Javascript CI/CD Pipelines PySpark Kafka Terraform Infrastructure as Code Microservices

Job Specifications

We are currently accepting resumes for a Senior Full Stack Application Developer / Tech Lead in Torrance, CA.

This position is onsite - client policy is currently 4 days onsite and 1 day remote. However, as needed, it can be 5 days on site.

Travel: No

OT: No

Salary range: $132-137k

Benefits offered: Medical, Vision, Dental, 401 K

Key Responsibilities

Design, develop, and maintain robust ETL/ELT pipelines using AWS Glue for large-scale data processing
Build serverless applications and microservices using AWS Lambda for real-time and batch data processing
Implement data transformation logic using PySpark for distributed computing on large datasets
Develop and optimize SQL queries for data extraction, transformation, and loading processes
Implement Infrastructure as Code (IaC) using AWS CloudFormation, CDK, or Terraform
Design event-driven architectures using AWS services like EventBridge, SQS, and SNS
Develop RESTful APIs and web services using Node.js for data access and integration
Mentor junior developers and provide technical guidance to the team
Collaborate with data scientists, analysts, and stakeholders to understand requirements
Participate in code reviews and maintain high coding standards
Document technical designs, processes, and best practices

Required Qualifications

5+ years of software development experience with at least 3 years in cloud environments
Strong proficiency in Python with extensive experience in PySpark for big data processing
Hands-on experience with AWS Glue for ETL pipeline development and management
Proven expertise in AWS Lambda for serverless application development
Solid understanding of Node.js for API development and backend services
Experience with SQL and NoSQL databases (PostgreSQL, MySQL, MongoDB, DynamoDB)
Proficiency in AWS services including S3, IAM, CloudWatch, and VPC
Experience with CI/CD pipelines and DevOps practices
Understanding of Infrastructure as Code tools (CloudFormation, CDK, Terraform)
Familiarity with version control systems (Git) and agile development methodologies
Strong understanding of data warehousing concepts and dimensional modeling
Experience with data formats (JSON, Parquet, Avro, ORC) and data serialization
Knowledge of data streaming technologies (Kinesis, Kafka) is a plus
Understanding of data security, privacy, and compliance requirements

What will this person be working on

Daily Tasks Performed

Develop and maintain web applications using Node.js, Java, and Python. Design and implement RESTful APIs and microservices. Experience with AWS services (EC2, S3, Lambda, RDS, etc.).
Write clean, maintainable, and efficient code while adhering to best practices. Troubleshoot and debug applications to ensure optimal performance.
Participate in code reviews and contribute to team knowledge sharing. Proficiency in Node.js, Java, and Python.
Strong understanding of front-end technologies (HTML, CSS, JavaScript, frameworks like React or Angular).
Familiarity with database technologies (SQL, NoSQL). Knowledge of CI/CD pipelines and DevOps practices.

What will this person be working on

Development, Unit Testing

Position Success Criteria (Desired) - 'WANTS'

Timely and high-quality completion of web applications and services.
Code Quality: Writing clean, maintainable, and efficient code that adheres to best practices.
Problem-Solving: Effectively diagnosing and fixing bugs or issues to ensure optimal performance.
Collaboration: Actively participating in code reviews and contributing to team knowledge sharing.
Adaptability: Staying updated with the latest technologies and integrating them when appropriate.

Must-Have Skills

Backend Development: Node.js, Java, and Python: Proficiency in these languages for developing and maintaining web applications.
RESTful APIs and Microservices: Experience in designing and implementing these architectures.
Frontend Development: HTML/CSS/JavaScript: Strong understanding of these technologies.
Frontend Frameworks: Proficiency in frameworks like React or Angular.
Cloud Services: AWS: Experience with services like EC2, S3, Lambda, and RDS.
Database Management: SQL and NoSQL Databases: Familiarity with both types of database technologies.
DevOps: CI/CD Pipelines: Knowledge of continuous integration and continuous deployment practices.

Nice-to-Have Skills

UI/UX Design: Basic knowledge of user interface and user experience principles.

Cybersecurity: Awareness of security best practices and data protection.

AI and Machine Learning: Familiarity with integrating AI features into applications.

Soft Skills

Communication: Clear and effective communication skills.

Problem-Solving: Strong analytical and troubleshooting abilities.

Time Management: Ability to manage multiple tasks and meet deadlines.

UNICON International, Inc. is an Equal Opportunity Employer.

If you are interested in working for an organization where honesty, integrity, and quality are among the core principles, click apply today!

About the Company

UNICON International, Inc. is a top consulting firm in Columbus, Ohio and is dedicated to achieving total client and employee satisfaction. Our clients range from Fortune 500 companies to small and medium sized businesses. We work with companies to help them define and meet their IT needs by providing high quality and competitively priced products and services. If you are interested in working for an organization where honesty, integrity and quality are among the core principles then apply today at UNICON! Know more