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Senior Backend Developer Python Jobs in New Jersey

N-iX

Senior Kotlin Engineer (#5643)

Union, NJ · On-site

$106K - $146K/yr

We're looking for a Senior Back-End Engineer to design, build and operate scalable Kotlin microservices on AWS, increasing delivery throughput without compromising quality Responsibilities * Design ...

ACI Infotech

Python Developer

Jersey City, NJ · On-site

$55 - $75.75/hr

Role: Sr Python Developer Position : Contract / Full Time Accepts H1B transfers Location: Jersey City, NJ ( Remote for now) Responsibilities * Write clean and scalable code in Python * Backend ...

ACI Infotech

Python Developer

Jersey City, NJ · On-site

$55 - $75.75/hr

Role: Sr Python Developer Position : Contract / Full Time Exp: 10+ years only Accepts H1B transfers ... Backend Intigration * Contribute your knowledge and experience across the stack by triaging issues ...

Virtusa

Senior Python AI/ML Developer

Jersey City, NJ · On-site

$126K - $170K/yr

We are seeking an experienced Senior Python Engineer to design, build, and maintain scalable, high ... This role requires strong expertise in Python, system design, and modern backend technologies. The ...

ACI Infotech

Sr Python Developer

Jersey City, NJ · On-site

$126K - $170K/yr

Python Developer 10+ Years exp with Very Strong Python Coding is needed Responsibilities ... Write clean and scalable code in Python (back end API for front end) and JavaScript (for front end ...

PROLIM Global Corporation

Python Developer

Jersey City, NJ · On-site

$55 - $75.75/hr

Role Descriptions: "Good knowledge on programming languages like Java| PythonDevelop scalable backend services using Python| FastAPI| and Flask.Design| develop| and deploy Machine Learning and Deep ...

Saransh Inc

Senior Python Web Developer - Only W2

Warren, NJ · On-site

$126K - $169K/yr

Senior Python Web Developer Location: Warren, NJ (Onsite - 3 days a week to biweekly, subject for ... Develop and maintain web applications and backend services using Python-based frameworks. * Build ...

RedStream Technology

Python Developer

Sparta, NJ · On-site

$185K - $195K/yr

You'll work on a small, senior development team, with the scope to shape architecture, mentor early ... Key Responsibilities Architect and own significant portions of our backend systems, from design ...

N-iX

Senior Data Backend Engineer (#5644)

Union, NJ · On-site

N-iX is looking for a Senior Data Backend Engineer (Kotlin) to join a new engagement with a leading European fintech company. This is an exciting opportunity to become part of a modern engineering ...

Redolent, Inc.

Senior Python Developer

Jersey City, NJ · On-site

$126K - $170K/yr

Position will be of Senior Python Developer who has experience working in Python, REST, ReactJS and Preferably experience working in Financial services within Global Markets. • 10yr+ Hands on ...

WorkNovas LLC

Python Risk Developer

Jersey City, NJ · On-site

$52.50 - $72.25/hr

Python Risk Developer Location: Jersey City , NJ Note: Candidates without capital markets / risk ... The role involves building backend applications and data processing logic supporting risk ...

Techouts, Inc

Python risk Developer

Jersey City, NJ · On-site

$52.50 - $72.25/hr

: Python risk Developer Location: Jersey City : We are looking for a Python Developer with strong ... The role involves building backend applications and data processing logic supporting risk ...

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Senior Backend Developer Python information

What does a senior backend developer Python do?

A Senior Backend Developer Python designs, builds, and maintains the server-side logic and databases for web applications, primarily using the Python programming language. They are responsible for ensuring high performance, responsiveness, and security of applications, integrating with front-end elements, and working closely with other developers and stakeholders. Additionally, they often mentor junior developers, review code, and contribute to architectural decisions to ensure scalable and robust backend systems.

What are the key skills and qualifications needed to thrive as a senior backend developer Python?

To thrive as a Senior Backend Developer Python, you need deep expertise in Python programming, software architecture, and experience with databases and API development, usually supported by a computer science degree and several years of professional coding experience. Familiarity with frameworks like Django or Flask, cloud platforms (e.g., AWS, Azure), and version control systems such as Git is typically expected, along with knowledge of containerization tools like Docker. Strong problem-solving skills, collaboration, and clear communication set top performers apart in this role. These skills ensure the development of robust, scalable backend systems that meet business needs and support seamless integration with other technologies.

What are some common challenges faced by senior backend developers working with Python, and how can they be addressed?

Senior Backend Developers working with Python often encounter challenges such as ensuring high performance and scalability of applications, especially when dealing with large volumes of data or high user traffic. Managing dependencies and maintaining clean, modular codebases can also be demanding in complex projects. These challenges are typically addressed by leveraging advanced Python frameworks, implementing robust testing practices, and collaborating closely with DevOps and frontend teams to optimize system architecture and deployment pipelines. Continuous learning and staying updated with best practices in Python and backend development are also key to overcoming these obstacles.

What is the difference between Senior Backend Developer Python vs Backend Developer Python?

AspectSenior Backend Developer PythonBackend Developer Python
Required Experience5+ years, leadership skills1-3 years, foundational skills
CertificationsRelevant certifications (e.g., AWS, Python)Optional, entry-level certifications
Work EnvironmentDesigning architecture, mentoringImplementing features, coding
ResponsibilitiesSystem design, team coordinationCode development, bug fixing

The main difference between a Senior Backend Developer Python and a Backend Developer Python lies in experience, responsibilities, and leadership. Senior developers typically lead projects and mentor others, while backend developers focus on coding and feature implementation. Both roles require strong Python skills and relevant certifications, but senior roles demand more experience and strategic involvement.

What are the most commonly searched types of Backend Developer Python jobs in New Jersey?

The most popular types of Backend Developer Python jobs in New Jersey are:

What are popular job titles related to Senior Backend Developer Python jobs in New Jersey?

For Senior Backend Developer Python jobs in New Jersey, the most frequently searched job titles are:

What job categories do people searching Senior Backend Developer Python jobs in New Jersey look for?

The top searched job categories for Senior Backend Developer Python jobs in New Jersey are:

What cities in New Jersey are hiring for Senior Backend Developer Python jobs?

Cities in New Jersey with the most Senior Backend Developer Python job openings:

Senior Backend Developer Python jobs near you
Infographic showing various Senior Backend Developer Python job openings in New Jersey as of July 2026, with employment types broken down into 94% Full Time, 2% Part Time, and 4% Contract. Highlights an 78% Physical, 4% Hybrid, and 18% Remote job distribution.

Senior Kotlin Engineer (#5643)

Union, NJ • On-site

N-iX
See more jobs at N-iXexternal

$106K - $146K/yr

Other

Posted 29 days ago

Job description

N-iX is looking for Senior Kotlin Engineer - to join the team

Our client is a fast-growing European fintech company in the business spend management space. Products include smart corporate cards, software for business analytics optimisation, and automated invoice management. Operates primarily in Europe, serving SME and mid-sized business customers in a regulated environment (GDPR). We're looking for a Senior Back-End Engineer to design, build and operate scalable Kotlin microservices on AWS, increasing delivery throughput without compromising quality

Responsibilities
  • Design, build and operate scalable Kotlin microservices on AWS.
  • Apply AI-native delivery practices across the CDLC to increase delivery throughput without compromising quality.
  • Work with distributed systems, relational databases (e.g. PostgreSQL), and observability tooling (e.g. Grafana) in production.
  • Multiply the output and quality of the squad you join, and share patterns/practice beyond your immediate team so adoption compounds across the organisation.
  • Embed directly into a client squad as a hands-on Individual Contributor (not a coaching/managerial role).
Requirements
  • 5+ years of commercial backend engineering
  • Kotlin; scalable microservices on AWS.
  • AI-native delivery practices applied across the CDLC
  • Production experience with distributed systems
  • Relational databases, e.g. PostgreSQL
  • Observability tooling, e.g. Grafana
  • Experience working in Agile / Scrum / Kanban
Nice-to-Have
  • Specific AWS services (EKS, Lambda, SQS) or Prometheus. The RFP names AWS and Grafana only (Grafana as an example of observability tooling) - these additional specifics are common adjacent tools, not stated requirements
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