Python & SQL Developer
AceStack LLC
Job Title : Python & SQL Developer
Location : Newark, NJ / Tampa, FL (Hybrid)
CONTRACT
JOB DESCRIPTION
The Python & SQL Developer is responsible for designing, developing, and maintaining backend applications and data solutions using Python and relational databases.
The role focuses on building efficient data processing logic, writing optimized SQL queries, and enabling reliable data access for applications, analytics, and reporting.
The developer works closely with data engineers, analysts, and application teams to deliver scalable, secure, and high performance solution
Key Responsibilities
Application & Data Development
• Develop, test, and maintain Python based backend applications and scripts.
• Write and optimize complex SQL queries, views, stored procedures, and functions to support application and analytics needs.
• Design and implement data access layers that integrate Python applications with relational databases.
Database & Performance Management
• Design and maintain relational database schemas ensuring data integrity and performance.
• Optimize query performance through indexing, query tuning, and execution plan analysis.
• Monitor and troubleshoot data processing or application performance issues.
Data Processing & Automation
• Build data processing and automation workflows using Python for batch and scheduled jobs.
• Support ETL / data ingestion processes and assist with data validation and reconciliation.
Collaboration & Delivery
• Collaborate with data analysts, data engineers, and business stakeholders to understand requirements and translate them into technical solutions.
• Participate in code reviews and follow coding standards and best practices.
• Create and maintain technical documentation for applications, data models, and workflows.
Required Skills & Qualifications
Technical Skills
• Strong proficiency in Python for backend development and data processing.
• Strong hands on experience with SQL (joins, subqueries, window functions, performance tuning).
• Experience with relational databases such as SQL Server, PostgreSQL, MySQL, or Oracle.
• Familiarity with ETL concepts, data pipelines, and structured data processing.
• Experience using version control tools (e.g., Git). Preferred / Nice to Have
• Experience with Python frameworks (e.g., Flask, Django) for APIs or services.
• Exposure to data analytics or reporting tools.
• Experience in Agile / DevOps environments. Education & Experience
• Bachelor's degree in Computer Science, Information Technology, Engineering, or equivalent experience
• Typically 8+ years of experience in Python and SQL development roles (varies by seniority)
Location : Newark, NJ / Tampa, FL (Hybrid)
CONTRACT
JOB DESCRIPTION
The Python & SQL Developer is responsible for designing, developing, and maintaining backend applications and data solutions using Python and relational databases.
The role focuses on building efficient data processing logic, writing optimized SQL queries, and enabling reliable data access for applications, analytics, and reporting.
The developer works closely with data engineers, analysts, and application teams to deliver scalable, secure, and high performance solution
Key Responsibilities
Application & Data Development
• Develop, test, and maintain Python based backend applications and scripts.
• Write and optimize complex SQL queries, views, stored procedures, and functions to support application and analytics needs.
• Design and implement data access layers that integrate Python applications with relational databases.
Database & Performance Management
• Design and maintain relational database schemas ensuring data integrity and performance.
• Optimize query performance through indexing, query tuning, and execution plan analysis.
• Monitor and troubleshoot data processing or application performance issues.
Data Processing & Automation
• Build data processing and automation workflows using Python for batch and scheduled jobs.
• Support ETL / data ingestion processes and assist with data validation and reconciliation.
Collaboration & Delivery
• Collaborate with data analysts, data engineers, and business stakeholders to understand requirements and translate them into technical solutions.
• Participate in code reviews and follow coding standards and best practices.
• Create and maintain technical documentation for applications, data models, and workflows.
Required Skills & Qualifications
Technical Skills
• Strong proficiency in Python for backend development and data processing.
• Strong hands on experience with SQL (joins, subqueries, window functions, performance tuning).
• Experience with relational databases such as SQL Server, PostgreSQL, MySQL, or Oracle.
• Familiarity with ETL concepts, data pipelines, and structured data processing.
• Experience using version control tools (e.g., Git). Preferred / Nice to Have
• Experience with Python frameworks (e.g., Flask, Django) for APIs or services.
• Exposure to data analytics or reporting tools.
• Experience in Agile / DevOps environments. Education & Experience
• Bachelor's degree in Computer Science, Information Technology, Engineering, or equivalent experience
• Typically 8+ years of experience in Python and SQL development roles (varies by seniority)
Vacancy posted 15 hours ago
Similar jobs that could be interesting for youBased on the Python & SQL Developer in Newark, NJ vacancy
- ...Python/SQL developer The job responsibilities are described herein: 1 Design, development, testing, support, and maintenance of software applications 2 The primary technology will be Python, SQL, C#/.Net, middleware IBM MQ for messaging...Suggested
3B Staffing LLC
Jersey City, NJ3 days ago - ...JD: ~6+ years of proficiency in Python, Advanced SQL, PROC, Python API development. ~ Need very good knowledge in Advanced SQL... ...communication skills. Responsibilities: Ability to develop and maintain complex code written in Python. Maintain and...Suggested
SARIAN Co
Newark, NJ2 days ago - ...Job Description We're looking for a Python-focused Software Developer with AWS experience to help build and enhance financial trading applications... ...reliability matter. In addition, this developer should be SQL-strong for data modeling and structuring, and AI-savvy-...Suggested
Insight Global
Newark, NJ2 days ago - ...Python Developer Newark, New Jersey, United States About the Job Python Developer Python Developer (Hybrid - Newark, NJ) Full-time... ...applications. Advanced proficiency in Python programming and SQL database management. Familiarity with database architecture...SuggestedFull time2 days per week
- ...Director Power BI & Python Developer (Microsoft Fabric Platform)Director Power BI & Python Developer (Microsoft Fabric Platform) Location: Newark... ...DAX, data modeling, and performance optimization.Strong SQL skills with experience in data modeling and working with relational...SuggestedFull time
4 Staffing Corp
Newark, NJ5 days ago - ...433Reference Number: 25-00616Title: Senior Python DeveloperLocation: jersey city, NJJob Type:... ...Staffing Job Description: Experienced Python developers with 6+ years' experience Experience with PySpark Should also have a strong SQL background and have data engineering...Full time
$55 per hour
...Role: Python Developer Location: Jersey City, NJ - onsite Job Type: Contract Rate: $55/hr Job description: • Minimum 6... ...be good to have. • GitHub, PowerShell and Python scripting, SQL server, API integration Diverse Lynx LLC is an Equal Employment...Contract workDiverse Lynx
Jersey City, NJ2 days ago- ...Description3-5 years of overall software development experience;Python experience preferred, otherwise solid experience in C++, Java, or... ...- understanding relational database structure and hands-on SQL knowledge to extract/manipulate dataCollege degree in Computer Science...Permanent employmentFull time
- ...Position Title * Senior Python Developer Position Responsibilities Senior Python Developer Location: Jersey City New Jersey ( 3 days... ...development (5+ years) ~ Java, real time messaging, SQL experience preferred ~ Problem solving skills with an...Remote workFlexible hours
Apex Informatics
Jersey City, NJ2 days ago - ...Python Developer Contractor As a Python Developer Contractor, you will be responsible for developing, maintaining, and optimizing Python-... ...years of hands on experience and strong in Python, Kubernetes and SQL 2. Seasoned practitioner who is well organized, can perform...For contractors
Samprasoft
Jersey City, NJ4 days ago - ...Title: Python developer Location: Hybrid in Iselin, NJ (3 days onsite) They now need Pyspark experience but the Agentic AI is not required. Must haves are Python, SQL, Pyspark, API development . Send me who you have and I will get them setup!...
RIT Solutions, Inc.
Summit, NJ13 hours ago - ...SQL Developer role Hybrid IN JERSEY CITY , NJ BANKING PREFERRED Description: Summary: Designs and writes complex SQL queries and procedures for data management. Responsibilities: Develop queries, optimize performance, create reports, and maintain...
PamTen
Jersey City, NJ3 days ago - ...Hi, Hope you are doing well. Position: Python Developer Location: LOCAL to Mount Laurel, NJ ONLY! Type: Contract... ...7 years of hands-on experience of Python programming and No SQL queries. Work extensively with MongoDB (NoSQL operations|...Contract workLocal area
PROLIM Corporation
Mountainside, NJ5 days ago $124.7k - $207.8k
Position Summary Sr. Python Developer Are you an experienced, passionate pioneer in technology who wants to work in a collaborative environment... ...(timeouts, retries, idempotency, error handling)Strong SQL skills, including the ability to write efficient, complex...Flexible hours- ...SQL Developer Location: Jersey City, NJ (Hybrid Role) Look for Nearby candidates Job Description: Required Skills and Experience we are Looking For: Significant experience in Microsoft SQL database programming and Reports development (CUBE...
Apex Informatics
Jersey City, NJ2 days ago $70 - $85 per hour
...****@*****.*** Dabbeta | Sr. Recruiter | Yoh Python Oracle Linux Airflow Developer - Onsite Final Interview **USC and GC only**DBT neededLocation... ...DAGs. • Solid understanding of Oracle 19c database, SQL tuning, and PL/SQL concepts. • Experience orchestrating jobs...- ...you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now.We are currently seeking a Senior SQL Developer (Expert Level / FTE / Onsite) to join our team in Jersey City, New Jersey (US-NJ), United States (US).Job Duties and Responsibilities...Work at officeRemote workFlexible hours
$121.2k - $181.8k
...seeking a highly motivated candidate for Python and Full Stack/Web development team that... ...coding skills in PythonResearch, design and develop a self-service reporting toolExperience... ...Prototypes etc. Experienced in RDBMS and SQL/PLSQL.Unit testing frameworks JUnit, Mockito...Full timeShift workNight shift- ...Python Developer Technical/Functional Skills: The job involves designing and developing enterprise and custom solutions as part of a software... ...detail oriented Optional and nice to have skills: Java, SQL/PL/SQL Qualifications: Bachelor of Engineering...Permanent employmentWork experience placement
TecTammina
Jersey City, NJ15 hours ago $75 - $85 per hour
Our client, a top investment bank, is looking for a Python Developer to join their growing team. DescriptionCore Python Development• Expert-level... ...reconciliation frameworksDatabases & Data Platforms• Advanced SQL development and performance tuning• Experience with:o Oracleo...Contract workTemporary workLocal area- ...Required Skills & Qualifications Python Development - 5+ years of hands-on experience... .../ Full Stack - 3+ years of experience developing RESTful services and modern ReactJS... ...relational and object databases (Oracle, SQL, PostgreSQL, MongoDB). CI/CD & SDLC...Immediate start
Artech
Jersey City, NJ3 days ago - ...Python developer Location: jersey city, NJ Contract: 6-18 months Role Overview We are seeking a Senior Developer... ...required. ~6-10 years of experience designing and tuning SQL database tables and queries is required. ~ Experience with...Contract work
Anveta
Jersey City, NJ14 hours ago - ...Python Developer Jersey City Contract to Hire Contract Length 6+ Months Start ASAP Interview Process: Video & Onsite... ...production DAGs. • Solid understanding of Oracle 19c database, SQL tuning, and PL/SQL concepts. • Experience orchestrating jobs...Contract workImmediate start
Marchon Partners
Jersey City, NJ2 days ago $142.32k - $213.48k
...structured and unstructured sources. You will develop systems to clean results to build... ...:Architect, Design, and implement robust Python-based solutionLead global Technology Teams... ...training techniques.Proficiency in Python, SQL, Spark, PySpark, TensorFlow or other analytical...Full time- ...Python Full Stack Developer with Azure Databricks Exposure Requirements Develop highly scalable applications in Core Python.... ...such as Django, Flask, or FastAPI. Experience working on SQL with ability to run various data analytics tasks and...
3B Staffing LLC
Jersey City, NJ3 days ago - Overview One of our leading client is looking for Python Developer in Weehawken NJ Responsibilities Develop and maintain applications using Python and SQL. Design efficient database solutions and ETL pipelines. Collaborate with cross-functional teams. Analyze datasets...Full time
$72 per hour
...CONTRACTOROur client, a leading financial services company, is hiring a Python Backend Developer on a contract to hire basis. Job ID# 85349Work Location:... ..., and training techniques. Proficiency in Python, SQL, Spark, PySpark, TensorFlow or other analytical/model-building...Contract work- ...Position title: Senior python developer Onsite: 5 days a week (everyday is onsite) Location: Charlotte, NC, or Chicago, IL, or Addison,... ...patterns • Relational database experience and proven abilities in SQL and data modeling is required. Must be aware of SQL Objects,...Permanent employmentContract workNight shift
RIT Solutions, Inc.
Summit, NJ2 days ago - ...Senior Python Engineer Newark, New Jersey, United States About the Job Senior Python... ...will have a strong background in developing applications for financial systems, particularly... ...environments, along with expertise in Python and SQL. This is a hybrid role based in Newark,...Full time2 days per week
4 Staffing Corp
Newark, NJ5 days ago - ...Python DeveloperSoftware Guidance & Assistance, Inc., (SGA), is searching for a Python Developer for a contract assignment with one of our premier Financial Services clients in Jersey... ...Management: Strong proficiency in SQL and experience interacting with relational...Contract work
SGA
Jersey City, NJ5 days ago
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Python & SQL Developer. Be the first to apply!
