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Junior Software Developer Jobs in Philadelphia, PA

TherapyNotes.com

Senior Software Developer

Philadelphia, PA · Remote

$110K - $135K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

About The Position TherapyNotes is seeking a Senior Software Developer to help drive the evolution of our platform. You'll work across the stack, influence architecture, and own features from design ...

TherapyNotes.com

Senior Software Developer

Philadelphia, PA · Remote

$110K - $135K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

About The Position TherapyNotes is seeking a Senior Software Developer to help drive the evolution of our platform. You'll work across the stack, influence architecture, and own features from design ...

TherapyNotes.com

Senior Software Developer

Philadelphia, PA · Remote

$110K - $135K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

About The Position TherapyNotes is seeking a Senior Software Developer to help drive the evolution of our platform. You'll work across the stack, influence architecture, and own features from design ...

Nfinity LLC

Senior AWS Software Developer

Philadelphia, PA

$55 - $72.75/hr

Make that user experience world-class by working with process engineers and software quality ... junior staff to achieve great results. Qualifications Demonstrable expertise and experience in AWS ...

Nfinity LLC

Senior AWS Software Developer

Philadelphia, PA · On-site

$55 - $72.75/hr

... process engineers and software quality assurance to ensure low defect rates. • Execute ... more junior staff to achieve great results. Qualifications • Demonstrable expertise and ...

TherapyNotes.com

Senior Software Developer

Philadelphia, PA · On-site +1

$110K - $135K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

About The Position TherapyNotes is seeking a Senior Software Developer to help drive the evolution of our platform. You'll work across the stack, influence architecture, and own features from design ...

Wipro Limited

Software Developer

Mount Laurel, NJ · On-site

$60K - $135K/yr

  • Medical

  • Dental

  • PTO

Job Title: Software Developer City: MOUNT LAUREL State/Province: New Jersey Posting Start Date: 8/7/26 Wipro Limited (NYSE: WIT, BSE: 507685, NSE: WIPRO) is a leading technology services and ...

Chipton Ross

Rust Software Developer

Camden, NJ · On-site

$75/hr

Job #216012 Chipton-Ross is seeking a Rust Software Developer for a contract opportunity in Camden,NJ. BASIC QUALIFICATIONS (REQUIRED SKILLS/EXPERIENCE) * U.S. citizenship with a Active Department of ...

Suvoda

Senior Software Developer

Conshohocken, PA · On-site

$53.75 - $70.75/hr

As a Software Developer on Suvoda's Product team, you'll design and build clinical trial software that directly supports mission-critical, time-sensitive patient interactions in life-sustaining ...

Coherent Corp.

Principal Engineer, Software

Horsham, PA · On-site

$133K - $178K/yr

Coaching junior software engineers. Drive coding reviews and practices across team * Pre and Post sales customer interactions, provide guidance to Field Application Engineers * Provide input to ...

Coherent

Principal Software Engineer

Horsham, PA

$133K - $178K/yr

Coaching junior software engineers. Drive coding reviews and practices across team * Pre and Post sales customer interactions, provide guidance to Field Application Engineers * Provide input to ...

Coherent

Principal Engineer, Software

Horsham, PA

$133K - $178K/yr

Coaching junior software engineers. Drive coding reviews and practices across team * Pre and Post sales customer interactions, provide guidance to Field Application Engineers * Provide input to ...

Coherent Corp.

Principal Software Engineer

Horsham, PA · On-site

$133K - $178K/yr

Coaching junior software engineers. Drive coding reviews and practices across team * Pre and Post sales customer interactions, provide guidance to Field Application Engineers * Provide input to ...

II-VI Incorporated

Principal Software Engineer

Horsham, PA

$133K - $178K/yr

Coaching junior software engineers. Drive coding reviews and practices across team * Pre and Post sales customer interactions, provide guidance to Field Application Engineers * Provide input to ...

II-VI Incorporated

Principal Engineer, Software

Horsham, PA · On-site

$133K - $178K/yr

Coaching junior software engineers. Drive coding reviews and practices across team * Pre and Post sales customer interactions, provide guidance to Field Application Engineers * Provide input to ...

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Showing results 21-40

All JobsSoftware Developer JobsJunior Software Developer JobsJunior Software Developer Jobs in Philadelphia, PA

Junior Software Developer information

See Philadelphia, PA salary details

$24.2K

$89.8K

$138.8K

How much do junior software developer jobs pay per year?

As of Aug 17, 2026, the average yearly pay for junior software developer in Philadelphia, PA is $89,784.00, according to ZipRecruiter salary data. Most workers in this role earn between $67,600.00 and $87,800.00 per year, depending on experience, location, and employer.

What does a junior software developer do?

A junior software developer works on a development team writing and maintaining code for computer applications. As a junior software developer, your primary responsibilities are to learn the codebase, work on small bug fixes, and participate in paired programming with mid-level and senior developers. Junior software developers are entry-level positions, but as you gain experience and build up your programming skills, you will start to take on larger projects. Your job duties include attending and contributing to development team meetings, troubleshooting, patching computer code, and collaborating with other developers to create applications.

What does a junior software developer do?

A Junior Software Developer is an entry-level professional who assists in designing, coding, testing, and maintaining software applications. They typically work under the supervision of more experienced developers and contribute to various stages of the software development lifecycle. Their responsibilities often include writing basic code, debugging, collaborating with team members, and learning new technologies to improve their skills. This role is a great starting point for individuals looking to build a career in software development.

What are the key skills and qualifications needed to thrive as a junior software developer, and why are they important?

To thrive as a Junior Software Developer, you need proficiency in programming languages (such as Python, Java, or JavaScript), algorithms, and problem-solving, often supported by a relevant degree or coding bootcamp experience. Familiarity with version control systems like Git, basic knowledge of databases, and experience with development frameworks are valuable technical assets. Strong communication, teamwork, and a willingness to learn help you adapt and contribute effectively in collaborative environments. These skills and qualities are essential for delivering reliable code, supporting team goals, and growing in a fast-evolving tech landscape.

What are some typical challenges a junior software developer might face when starting out, and how can they overcome them?

Junior Software Developers often encounter challenges such as understanding large codebases, managing their time effectively between learning and delivering tasks, and adapting to new development tools or frameworks. To overcome these hurdles, it's helpful to actively seek guidance from more experienced team members, participate in code reviews, and make consistent use of documentation. Regular communication within the team and a willingness to ask questions can significantly speed up the learning process and help build confidence in your role.
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Junior Software Developer jobs near you
Infographic showing various Junior Software Developer job openings in Philadelphia, PA as of August 2026, with employment types broken down into 86% Full Time, and 14% Contract. Highlights an 96% In-person, and 4% Remote job distribution, with an average salary of $89,784 per year, or $43.2 per hour.

Software Developer / Engineer

Real Soft, Inc.

Philadelphia, PA • On-site

Other

Re-posted 11 days ago

Job description

Job Title: Software Developer / Engineer (Mid-Level)
Location: Philadelphia, PA
Work Mode: Hybrid (Minimum 3 days onsite)
Employment Type: Contract
Interview Process
  • Round 1: 1-hour In-Person Interview
  • Round 2: 1-hour In-Person Interview
Role Overview
We are seeking a mid-level Software Developer/Engineer with hands-on experience in deploying on-premise LLM solutions and vector databases. The ideal candidate will have strong expertise in Python, RAG pipelines, and enterprise-grade AI system implementation within secure environments.
Key Responsibilities
  • Deploy and manage open-source LLMs (e.g., Llama 3, Mistral/Mixtral) in on-prem or private environments
  • Develop and optimize LLM inference workflows using Python
  • Implement Retrieval-Augmented Generation (RAG) pipelines
  • Design and integrate vector database solutions for efficient semantic search
  • Perform model quantization and performance tuning for CPU-based inference
  • Ensure data privacy, security, and governance compliance in enterprise environments
  • Implement access controls, logging, and monitoring mechanisms
  • Deliver reference architecture, prototypes, and technical documentation
  • Collaborate with internal teams for knowledge transfer and system adoption
Required Skills & Qualifications
  • Strong experience with Python for AI/ML and backend development
  • Hands-on experience with open-source LLM deployment (Llama 3, Mistral, Mixtral)
  • Experience with CPU-based inference and optimization techniques
  • Practical experience with vector databases (Qdrant, Chroma, Milvus, pgvector)
  • Proven experience building RAG pipelines
  • Knowledge of embeddings, similarity search, and metadata filtering
  • Understanding of enterprise security, data privacy, and air-gapped environments
Preferred Qualifications
  • Experience with LangChain or LlamaIndex
  • Familiarity with Docker and Kubernetes
  • Exposure to Rust, Go, or C++ for high-performance systems
  • Experience with LLM inference frameworks (vLLM, llama.cpp, Hugging Face Transformers)
  • Prior experience in regulated or enterprise environments
Deliverables
  • End-to-end reference architecture for LLM + vector DB solutions
  • Functional prototype (LLM + RAG + Vector DB)
  • Comprehensive documentation and knowledge transfer

Apply