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Senior Python Developer Jobs in New Castle, DE (NOW HIRING)

360 IT Professionals

Sr Java Developer

Wilmington, DE · On-site

$55.50 - $70.75/hr

Role:- Sr Java Developer Location:- Wilmington, DE. Duration:- 1 Year (Possible Extension) Sr Java ... C/C++, C#, Python, PHP, Ruby, Perl, etc. Experience working with Databases, SQL and Stored ...

City National Bank

Data Analyst Senior- VP Python

Newark, DE · On-site

$84K - $106K/yr

... Engineer data pipelines and ETL processes that improve reporting timeliness and accuracy • Lead ... Python-based testing and validation frameworks • Architect scalable data solutions aligned with ...

Alivia Analytics

Senior DevOps Engineer

Newtown Square, PA · Remote

$125K - $165K/yr

Job Title: Senior DevOps Engineer Location: United States (Remote) Department: Infrastructure ... Experience with Python for scripting and automation. * Strong familiarity with git-based version ...

Alivia Analytics

Senior Backend Engineer

Newtown Square, PA · Remote

$115K - $165K/yr

Collaborate with DevOps and QA teams to implement and maintain secure CI/CD pipelines and automated ... Strong proficiency in Python and related backend frameworks (e.g., Django, FastAPI). * Experience ...

Alivia Analytics

Senior Backend Engineer

Newtown Square, PA · Remote

$115K - $165K/yr

Collaborate with DevOps and QA teams to implement and maintain secure CI/CD pipelines and automated ... Strong proficiency in Python and related backend frameworks (e.g., Django, FastAPI). * Experience ...

Arka Infotech Inc

Sr. Network Engineer

Wilmington, DE · On-site

$100K - $138K/yr

Sr. Network Engineer Location: Wilmington, DE Length: 2 years F2F MAY BE REQUIRED Looking for ... Working knowledge of Python or other current scripting languages. Qualifications BS Degree ...

Berkley

Sr. DevOps Platform Engineer

Wilmington, DE · On-site

$126K - $162K/yr

As a Senior DevOps Platform Engineer , you will play a critical role in ensuring the reliability ... Strong software engineering and automation skills, including proficiency in Python, Go, Bash, or ...

The Chemours Company

Senior AI Engineer

Wilmington, DE · On-site +1

$101K - $139K/yr

Chemours is seeking a Senior AI Engineer to join our growing AI & Data Science team. This is a ... Python), and deploying custom and complex GenAI solutions and multi-agent GenAI systems in ...

Troutman Pepper

Senior Data Engineer

Wilmington, DE · Remote

$102K - $139K/yr

The Senior Data Engineer is responsible for analyzing, validating, cleansing, and performing ETL of ... Creating Python scripts to automate internal tasks. * Creating Power Automate and Power Apps ...

IntraEdge

Senior Java Engineer

Middletown, DE

$54 - $68.75/hr

Collaborate with product owners, architects, QA, and DevOps teams to deliver high-quality software ... Experience with Quarkus, Akka, Scala, or Python . * Knowledge of Terraform, Helm , and ...

New

Judge Group, Inc.

Sr. Data Engineer

Wilmington, DE · On-site

$102K - $139K/yr

Our client is seeking an experienced Senior Data Engineer to join their growing data team. This is ... Strong programming experience in Java or Python * Hands-on expertise with AWS cloud services

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All JobsPython Developer JobsSenior Python Developer JobsSenior Python Developer Jobs in New Castle, DE

Senior Python Developer information

See New Castle, DE salary details

$53.3K

$137.7K

$189.1K

How much do senior python developer jobs pay per year?

As of Jul 10, 2026, the average yearly pay for senior python developer in New Castle, DE is $137,676.00, according to ZipRecruiter salary data. Most workers in this role earn between $117,800.00 and $158,500.00 per year, depending on experience, location, and employer.

What are the main responsibilities of a Senior Python Developer?

A Senior Python Developer is responsible for designing, developing, and maintaining complex software applications using the Python programming language. They lead the technical aspects of projects, mentor junior developers, and ensure code quality through code reviews and best practices. Additionally, they collaborate with cross-functional teams to gather requirements, solve technical challenges, and deploy scalable and efficient solutions. Senior Python Developers are also expected to stay updated with the latest trends and advancements in Python and related technologies.

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

AspectSenior Python DeveloperPython Developer
Required ExperienceTypically 5+ years, with leadership and complex project experienceUsually 1-3 years, focusing on core Python skills
ResponsibilitiesDesigning architecture, mentoring, handling complex systemsWriting code, debugging, implementing features
CertificationsOptional but beneficial (e.g., Python certifications, cloud certs)Often not required
Work EnvironmentCollaborative teams, project planning, code reviewsDevelopment-focused, task-oriented

The main difference between a Senior Python Developer and a Python Developer lies in experience, responsibilities, and leadership. Senior developers handle complex projects, mentor others, and often participate in architecture decisions, while Python Developers focus on coding and feature implementation. Both roles are essential in tech companies, but the senior role requires more experience and broader skills.

What are the key skills and qualifications needed to thrive as a Senior Python Developer, and why are they important?

To thrive as a Senior Python Developer, you need advanced proficiency in Python programming, experience with software architecture, and a solid understanding of algorithms and data structures, usually backed by a degree in computer science or related fields. Familiarity with frameworks like Django or Flask, version control systems such as Git, and containerization tools like Docker are typically required, alongside knowledge of modern CI/CD pipelines. Strong problem-solving abilities, effective communication, and leadership skills help you collaborate with teams and mentor junior developers. Mastery of these skills ensures the delivery of scalable, maintainable software solutions and the ability to drive technical excellence within development teams.

What are some common challenges faced by Senior Python Developers when leading a development team?

Senior Python Developers often encounter challenges such as balancing hands-on coding with mentoring junior team members and ensuring code quality across the team. They are also responsible for making architectural decisions, which requires staying updated on best practices and emerging Python frameworks. Additionally, coordinating collaboration between cross-functional teams (like DevOps, QA, and front-end developers) can be complex, especially in agile environments where requirements may shift rapidly. Overcoming these challenges helps foster a productive and innovative team culture.
What job categories do people searching Senior Python Developer jobs in New Castle, DE look for? The top searched job categories for Senior Python Developer jobs in New Castle, DE are:
What cities near New Castle, DE are hiring for Senior Python Developer jobs? Cities near New Castle, DE with the most Senior Python Developer job openings:
Senior Python Developer jobs near you
Backend Python Senior Engineer - Barcelona

Backend Python Senior Engineer - Barcelona

Expleo

Alloway, NJ • On-site

Full-time

Re-posted 6 days ago

Job description

Overview Backend Python Senior Engineer Sobre el proyectoTe incorporaras a un proyecto tecnologico de alto nivel, dentro de un entorno critico donde la calidad, la seguridad y la escalabilidad son fundamentales. Trabajaras con un equipo tecnico senior, en un contexto colaborativo y exigente, con modalidad 60% teletrabajo y centro de trabajo en Barcelona. Que haras?
  • Disenar y liderar el desarrollo de servicios backend escalables en Python.
  • Construir y optimizar APIs y componentes backend utilizando frameworks modernos.
  • Definir y aplicar estandares de calidad, testing y automatizacion.
  • Garantizar la eficiencia, seguridad y mantenibilidad del codigo.
  • Coordinar tecnicamente con otros desarrolladores y equipos implicados.
  • Colaborar activamente en entornos agiles, aportando vision tecnica y buenas practicas.
  • Impulsar la evolucion tecnica del producto y la mejora continua.
Lo que te hara triunfar en el puesto
  • Grado en Ingenieria Informatica o similar.
  • Mas de 2 anos de experiencia en desarrollo backend con Python (FastAPI, Flask o Django).
  • Experiencia solida con ORM, pruebas unitarias, herramientas de cobertura y automatizacion.
  • Conocimientos de integracion continua y despliegues automatizados.
  • Dominio de Git y trabajo colaborativo en equipos tecnicos.
  • Capacidad para disenar arquitecturas backend y liderar decisiones tecnicas.
  • Experiencia coordinando o guiando tecnicamente a otros desarrolladores.
  • Nivel de ingles B2 o superior, escrito y hablado.
  • Alta capacidad analitica, organizacion y orientacion a la calidad.
Valorable
  • Conocimientos en autenticacion y autorizacion.
  • Dominio de SQL y familiaridad con Java.
  • Experiencia en arquitecturas eventdriven con Kafka.
  • Conocimientos o experiencia en MLOps e inteligencia artificial.
  • Participacion en evaluacion e investigacion de nuevas tecnologias.
  • Experiencia en Scrum o Kanban.
  • Familiaridad con GitLab, pipelines de CI/CD y automatizacion de despliegues.
  • Certificaciones en Python, arquitecturas backend, metodologias agiles o calidad de software.
Que ofrecemos? Trabajo Hibrido (Barcelona) Crecimiento Versatil: Aprende nuevos idiomas y certificaciones tecnicas con nuestra Expleo Academy. Tiempo para Ti: Disfruta de 24 dias de vacaciones al ano, mas los dias 24 y 31 de diciembre. Ambiente Inmejorable: Un lugar donde el apoyo entre companeros es la norma y la competitividad no tiene cabida. Conexion y Bienestar: En Expleo nunca faltan las risas, y la diversion esta asegurada. Participa en nuestro club de padel y running, eventos de verano, Halloween... y mucho mas! Beneficios Flexibles: Seguro medico, cheques restaurante y guarderia... tu eliges como usarlos!  CompromisoSomos una empresa que ofrece igualdad de oportunidades y aceptamos solicitudes de todas las personas debidamente cualificadas, independientemente de su raza, genero, discapacidad, religion/creencia, orientacion sexual o edad. 

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Employment Type: FULL_TIME

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