Database Developer (PostgreSQL / Oracle)

Amtex Enterprises Inc; Village of Menands (NY); Hybrid; USD 62,000 - 83,000; Full time

Job summary

Amtex Enterprises Inc. seeks a Database Developer to design, develop, and optimize PostgreSQL and Oracle databases in a hybrid Menands, NY setting. The role covers migration of Oracle to PostgreSQL, performance tuning, and API integration.

You will implement ETL pipelines and collaborate across teams to deliver robust data solutions. The ideal candidate has strong PL/pgSQL/PL/SQL skills, API experience, and a solid command of Unix/Linux scripting, with a Bachelor’s in a related field.

Qualifications

• Experience designing and optimizing PostgreSQL and Oracle PL/SQL code.
• Ability to migrate Oracle code to PostgreSQL with performance focus.
• Proficient in SQL tuning, indexing, and query optimization.
• Experience with RESTful APIs and data exchange formats.
• Familiar with ETL pipelines and Unix/Linux scripting.

Responsibilities

• Design, develop, and maintain Oracle PL/SQL packages, procedures, and functions.
• Develop PostgreSQL objects and PL/pgSQL with robust queries.
• Migrate Oracle PL/SQL code to PostgreSQL while preserving functionality.
• Tune performance and optimize execution plans across Oracle and PostgreSQL.
• Build and support ETL processes and data pipelines.

Skills

PostgreSQL development

PL/pgSQL

SQL optimization

ETL processes

Unix/Linux shell scripting

Git

Agile/Scrum

Education

Bachelor's degree in Computer Science / IT

Tools

Oracle Database (11g/12c/19c)

PostgreSQL

PL/SQL

RESTful APIs

JSON/XML data formats

Explain Plan / EXPLAIN ANALYZE

Job description

Job Title : Database Developer (PostgreSQL / Oracle)

Location: Menands, NY – Hybrid Role.

Duration: 12+ Months

Rate: $45-50/hr on W2 or $55-60/hr on C2C or 1099- MAX

Key Responsibilities:

• Database Development: Design, develop, and maintain robust Oracle PL/SQL packages, stored procedures, functions, triggers, views, and complex SQL queries, PostgreSQL database objects, including functions, procedures, triggers, and views using PL/pgSQL.
• Database Migration & Conversion: Analyze Oracle database objects, map dependencies, and assist in migrating Oracle PL/SQL code to PostgreSQL while ensuring functionality and performance.
• Performance Tuning: Troubleshoot slow-running SQL queries, optimize execution plans, indexing strategies, partitioning, and database performance across Oracle and PostgreSQL environments.
• API Development & Integration (Preferred): Design, develop, consume, and support RESTful APIs for seamless integration between databases and enterprise applications. Collaborate with application teams to expose database services through APIs.
• Data Integration: Build, maintain, and support ETL processes and data pipelines to ensure accurate and efficient data movement across systems.
• Cross-Functional Collaboration: Work closely with application developers, QA engineers, DevOps teams, architects, and business analysts to deliver secure, scalable, and high-quality database solutions.
• Documentation & Deployment: Prepare technical documentation, deployment scripts, release procedures, and standard operating procedures (SOPs) for database changes and production deployments.

Required Skills & Qualifications:

Technical Skills:

• Solid experience in PostgreSQL development, including PL/pgSQL, database design, and query optimization.
• Strong hands-on experience with Oracle Database (11g/12c/19c) and advanced PL/SQL programming.
• Expertise in writing complex SQL queries, stored procedures, functions, packages, triggers, and views.
• Strong understanding of relational database concepts, data modeling, normalization, and indexing strategies.
• Experience analyzing execution plans using Oracle Explain Plan and PostgreSQL EXPLAIN/EXPLAIN ANALYZE to optimize database performance.
• Hands-on experience with RESTful APIs, including API development, integration, testing, and troubleshooting (preferred).
• Experience working with JSON/XML data formats and API-based data exchange.
• Experience building and supporting ETL processes and data migration activities.
• Proficiency in Unix/Linux shell scripting for database automation and operational tasks.
• Experience using version control tools such as Git
• Familiarity with Agile/Scrum development methodologies.

Preferred Qualifications:

• Experience migrating Oracle databases to PostgreSQL.
• Knowledge of Java, Spring Boot, Python, .NET, or Node.js for API integration.
• Familiarity with cloud platforms such as AWS.
• Experience with CI/CD pipelines and DevOps practices.
• Knowledge of messaging technologies such as Kafka or RabbitMQ.
• Oracle and/or PostgreSQL certifications are a plus.

Education:

Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related field.