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Mid Level Developer Jobs in Marlton, NJ (NOW HIRING)

H&H

Mid-Level Civil/Water Resources Engineer

Mount Laurel, NJ · On-site

$78K - $107K/yr

We are offering an exciting opportunity for a Water Resources Engineer with transportation engineering project experience in the Fluvial and Coastal environment to join our Mt. Laurel, NJ, Office. H ...

H&H

Mid-Level Civil/Water Resources Engineer

Mount Laurel, NJ · On-site

$78K - $107K/yr

We are offering an exciting opportunity for a Water Resources Engineer with transportation engineering project experience in the Fluvial and Coastal environment to join our Mt. Laurel, NJ, Office. H ...

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Showing results 21-40

All JobsMid Level Developer JobsMid Level Developer Jobs in Marlton, NJ

Mid Level Developer information

See Marlton, NJ salary details

$11.2K

$88.2K

$115K

How much do mid level developer jobs pay per year?

As of Sep 3, 2026, the average yearly pay for mid level developer in Marlton, NJ is $88,192.00, according to ZipRecruiter salary data. Most workers in this role earn between $61,100.00 and $109,400.00 per year, depending on experience, location, and employer.

What is a mid level developer?

Mid Level Developers are software professionals who have gained several years of experience beyond entry-level positions and are proficient in coding, debugging, and collaborating on projects. They possess a strong understanding of programming languages, frameworks, and software development processes. Mid Level Developers often take on more responsibility than junior developers, such as mentoring newer team members, contributing to architectural decisions, and ensuring code quality. They are expected to work independently on tasks, communicate effectively with team members, and deliver reliable solutions to complex problems.

What are the key skills and qualifications needed to thrive as a mid level developer?

To thrive as a Mid Level Developer, you need solid programming skills in languages such as Java, Python, or JavaScript, along with a relevant degree or equivalent experience. Familiarity with version control systems like Git, integrated development environments (IDEs), and frameworks such as React or Spring Boot is typically required. Effective problem-solving, teamwork, and strong communication skills help you collaborate and adapt to project needs. These abilities ensure you can deliver reliable code, work smoothly with colleagues, and contribute to successful software projects.

What opportunities for professional growth can a mid level developer typically expect within a software development team?

As a Mid Level Developer, you can expect to take on more complex projects, mentor junior team members, and gradually assume greater ownership of features or modules. Many organizations support growth through peer code reviews, access to learning resources, and the chance to participate in architectural discussions. Advancement paths often include moving toward senior developer roles, technical leads, or specializing in areas like DevOps or security, depending on your interests and the company's needs.

What is the difference between Mid Level Developer vs Junior Developer?

AspectMid Level DeveloperJunior Developer
Experience2-4 years0-2 years
SkillsProficient in multiple programming languages, problem-solving, and project contributionBasic coding skills, learning foundational concepts
ResponsibilitiesDeveloping features, debugging, collaborating on projectsAssisting in tasks, learning codebases, under supervision
Work EnvironmentIndependent work, team collaboration, project ownership

The main difference between a Mid Level Developer and a Junior Developer lies in experience, skill proficiency, and responsibilities. Mid Level Developers have more experience, can handle complex tasks independently, and contribute significantly to projects, whereas Junior Developers are still learning foundational skills and typically work under supervision.

What are the most commonly searched types of Developer jobs in Marlton, NJ?

The most popular types of Developer jobs in Marlton, NJ are:

What cities near Marlton, NJ are hiring for Mid Level Developer jobs?

Cities near Marlton, NJ with the most Mid Level Developer job openings:

Mid Level Developer jobs near you
Infographic showing various Mid Level Developer job openings in Marlton, NJ as of August 2026, with employment types broken down into 1% As Needed, 73% Full Time, 19% Part Time, and 7% Contract. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution, with an average salary of $88,192 per year, or $42.4 per hour.

Software Developer / Engineer

Real Soft, Inc.

Philadelphia, PA • On-site

Other

This job post has expired today. Applications are no longer accepted.

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