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Mid Level Full Stack Engineer Jobs (NOW HIRING)

Talanto

We're looking for a mid-level full-stack software engineer to join our Conversational Application Team. This is a backend-leaning role for an engineer who can independently deliver well-defined work ...

NYTP

Mid-Level Java Full Stack Engineer

Charlotte, NC · On-site

$47 - $50/hr

Mid-Level Java Full Stack Engineer (60089-1) Location: Charlotte, NC (Onsite) Rate: $50/hr on W2 Client: Moody's Corporation Experience: 11+ Years Job Summary Seeking a Mid-Level Java Full Stack ...

ISI Enterprises

Mid-Level Full Stack Engineer

Herndon, VA · Remote

$120K - $155K/hr

As a full-stack engineer, you will be responsible for the design, implementation, and maintenance of both our backend services and frontend components. Key Responsibilities Software Development ...

Talanto

Mid-level, Full-stack Software Developer 6,266 - 13,175 $ Important: if an employer asks you to log into their system via iCloud or Google, send a code, an SMS or Telegram password, run some code, or ...

Apptad, Inc.

Java Full Stack Engineer

Alpharetta, GA · On-site

$51.25 - $66.25/hr

This is mandatory 5 - Mid-level Full Stack Engineers with the above background Angular experience is nice to have All of them need to have FIS Profile and MUMPS experience. Any one with FIS Profile ...

Hextronics

Full Stack Software Engineer

Miami, FL · On-site

The Role We're looking for a junior or mid-level full stack engineer to help build and maintain the software powering our drone operations platform. You'll work across the stack - from database ...

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Mid Level Full Stack Engineer information

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How much do mid level full stack engineer jobs pay per year?

As of Sep 11, 2026, the average yearly pay for mid level full stack engineer in the United States is $134,771.00, according to ZipRecruiter salary data. Most workers in this role earn between $111,000.00 and $158,000.00 per year, depending on experience, location, and employer.

What is a mid level full stack engineer?

Mid Level Full Stack Engineers are software developers with several years of experience who work on both the front-end and back-end of web applications. They are proficient in multiple programming languages and frameworks, and are capable of taking on tasks across the entire technology stack, from designing user interfaces to managing databases and server infrastructure. Mid level indicates they have moved beyond junior responsibilities, can work independently, and often mentor less-experienced team members. Their well-rounded skill set allows them to contribute to all phases of development and solve complex technical challenges.

What are the key skills and qualifications needed to thrive as a mid level full stack engineer, and why are they important?

To thrive as a Mid Level Full Stack Engineer, you need solid proficiency in front-end and back-end programming languages (such as JavaScript, Python, or Java), experience with frameworks (like React and Node.js), and a relevant degree or equivalent experience. Familiarity with version control systems (e.g., Git), cloud platforms (AWS, Azure), and databases (SQL/NoSQL) is typically required, and certifications in these areas can be advantageous. Problem-solving ability, effective communication, and strong collaboration skills are crucial soft skills for this role. These competencies ensure you can build scalable, reliable applications while working efficiently within cross-functional development teams.

What are some common challenges faced by mid level full stack engineers when balancing front-end and back-end responsibilities?

Mid-level full stack engineers often encounter the challenge of context-switching between front-end and back-end tasks, which can require different mindsets and technical skills. Managing project priorities and ensuring seamless integration between both layers is key, especially when collaborating with specialized team members. Additionally, staying updated with evolving frameworks and best practices in both domains can be demanding, but it's essential for delivering robust, maintainable solutions. Successfully navigating these challenges often leads to increased autonomy and visibility within the team, paving the way for future advancement.

What is the difference between Mid Level Full Stack Engineer vs Front End Developer?

AspectMid Level Full Stack EngineerFront End Developer
Required SkillsProficiency in both front-end and back-end technologies, such as JavaScript, HTML, CSS, Node.js, and databasesSpecialized in front-end technologies like HTML, CSS, JavaScript, and frameworks like React or Angular
Work EnvironmentCollaborates across full project stack, often in agile teams, handling both client and server-side tasksFocuses primarily on user interface, user experience, and front-end development tasks
Common UsageUsed in roles requiring full project development, integration, and deploymentUsed in roles focused on designing and implementing user-facing features

The Mid Level Full Stack Engineer has a broader scope, working on both front-end and back-end development, while a Front End Developer specializes in creating and optimizing user interfaces. Both roles require strong JavaScript skills, but the full stack engineer's expertise spans multiple technologies and layers of the application.

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Mid Level Full Stack Engineer jobs near you
Infographic showing various Mid Level Full Stack Engineer job openings in the United States as of September 2026, with employment types broken down into 1% Internship, 87% Full Time, 9% Part Time, and 3% Contract. Highlights an 86% Physical, 4% Hybrid, and 10% Remote job distribution, with an average salary of $134,771 per year, or $64.8 per hour.

Mid-Level Full Stack Engineer

Herndon, VA • On-site, Remote

IsI Enterprises LLC
See more jobs at IsI Enterprises LLCexternal

$120K - $155K/yr

Full-time

Posted 23 days ago

Job description

Software Engineer II
IsI Enterprises is seeking a highly motivated Software Engineer II to be an integral part of a fast-paced agile development team. The developer will play a key role in developing, maintaining, and supporting an industry leading software platform. As a full-stack engineer, you will be responsible for the design, implementation, and maintenance of both our backend services and frontend components.
Key Responsibilities
Software Development
Collaborate with product managers, designers, and other engineers to design, develop, and enhance features for our enterprise web application. Implement scalable and efficient back-end solutions using Kotlin, and design, develop, and maintain high-quality front-end components using React to deliver an exceptional user experience. Work closely with engineers to define and implement APIs that facilitate business use cases, with a focus on secure integration, proper logging and monitoring, and clear documentation.
Security-First Development
Embed secure coding practices into development work, including input validation, authentication and authorization controls, least-privilege access, and encryption in transit and at rest. Conduct code reviews and provide constructive feedback to team members to ensure code quality, consistency, and the identification and remediation of security vulnerabilities.
Quality, Reliability, and Operations
Debug and remediate issues discovered by team members, users, and test automation in a timely manner. Monitor the performance and security posture of our application in production and take action to ensure reliability.
Collaboration and Process
Work with a fast-paced agile team through pull requests, scrum ceremonies, and feature documentation. Design technical solutions to business use cases, write technical documentation that captures those solutions, and be prepared to defend solution choices to the team. Leverage AI tooling to enhance SDLC processes and deliver fixes and new features efficiently.
Qualifications:
  • As part of your work at ISI, you will potentially have access to sensitive information from the federal government. Pursuant to applicable regulations, ISI requires that all candidates for this role present proof of U.S. citizenship before hire.
  • 4+ years of experience architecting, building, deploying and maintaining web applications
  • 2+ years of experience in full-stack web development
  • Experience using AI tooling such as Claude, Codex, or an equivalent service to develop enterprise software
  • Proficiency in front-end development using React.js and related technologies
  • Strong programming skills in Kotlin or other JVM-based languages
  • Experienced with relational databases using SQL, specifically Postgres SQL
  • Strong experience designing, building, and consuming RESTful APIs, with a focus on secure integration, scalability, and clear documentation.
  • Experience with LLM integrating AI into SaaS platform.
  • Familiarity with version control systems such as Git
  • Excellent problem-solving and analytical skills with keen attention to detail
  • Ability to work independently and collaboratively in a fast-paced Agile environment
  • Strong communication and interpersonal skills, with the ability to effectively interact with team members at all levels
Preferred Qualifications
  • Bachelor's degree in computer science or related technical field, or equivalent work or military experience
  • Experience with AWS architecture and services such as EC2, S3, ECS, Lambda, and RDS.
  • Knowledge of containerization technologies such as Docker and Kubernetes
  • Experience with CI/CD pipelines and DevSecOps practices
  • Familiarity with secure software development practices and compliance frameworks such as CMMC, NIST SP 800 series, DFARS, or equivalent
  • Any experience with FedRAMP controls implementation for cloud platforms would be a plus
  • Experience integrating AI features in business applications
What we offer
  • $120,000-$155,000 annual salary range
  • Remote work
  • A casual, friendly, and relaxed work environment
  • Professional growth encouragement and support

Industrial Security Integrators, LLC ("IsI") is an equal opportunity employer committed to affirmative action and diversity in the workplace. It is the policy of IsI to provide Equal Employment Opportunities (EEO) to Employees and Applicants, without regard to race, color, religion, sex, age, marital status, citizenship status, national origin, sexual orientation, gender identity, veteran status or disability or any other factor protected by law and to provide advancement opportunities for minorities, women, disabled individuals, and veterans. IsI is stronger and more effective when our workforce includes highly qualified individuals with diverse backgrounds, cultures, and traditions.

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