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Junior Full Stack Developer Jobs in Manchester, NH

Eliassen Group

Full Stack Engineer

Merrimack, NH · On-site

$65 - $75/hr

Hybrid Onsite 5 days/week, alternating weeks in either Merrimack, NH or Westlake, TX Our client seeks a Full Stack Engineer to build omni-channel user experiences and supporting platforms for retail ...

Eliassen Group

Full Stack Engineer

Merrimack, NH · On-site

$55 - $63/hr

Hybrid Every Other Week onsite / 5 days in either Merrimack, NH or TX Our client seeks a Full Stack Engineer to support Defined Benefit technology initiatives. The role focuses on design and ...

Apex Systems

JAVA/REACT Developer

Andover, MA · On-site

$53.25 - $68.50/hr

... Developer with 5-10 years of professional experience in Java and ReactJS to support mission ... Key Responsibilities Develop, test, and maintain full-stack applications using Java (Spring Boot ...

Apex Informatics

Java Developer

Merrimack, NH · On-site

$52.25 - $67.50/hr

Title: Full Stack Engineer Location: MERRIMACK, NH (IN-person interview) Duration:-Long term Project Technical Skill • 50% Core Java - springBoot, API microservices, KAFKA (nice to have) • 25 ...

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All JobsFull Stack Developer JobsJunior Full Stack Developer JobsJunior Full Stack Developer Jobs in Manchester, NH

Junior Full Stack Developer information

See Manchester, NH salary details

$23.9K

$88.6K

$136.9K

How much do junior full stack developer jobs pay per year?

As of Sep 3, 2026, the average yearly pay for junior full stack developer in Manchester, NH is $88,596.00, according to ZipRecruiter salary data. Most workers in this role earn between $66,700.00 and $86,600.00 per year, depending on experience, location, and employer.

What is a junior full stack developer?

A Junior Full Stack Developer is an entry-level software engineer who is capable of working on both the front-end and back-end components of web applications. They typically have foundational knowledge of programming languages such as JavaScript, HTML, CSS, as well as experience with frameworks like React, Node.js, or similar technologies. Junior Full Stack Developers collaborate with more experienced developers to build, test, and maintain web applications. Their responsibilities often include writing code, debugging, and learning best practices under supervision. This role is ideal for individuals looking to grow their skills in all areas of web development.

What does a junior full stack developer do?

A full stack developer works on both the user-facing and back-end elements of websites and applications. A junior full stack developer works under the supervision of a senior developer. In this position, your duties include handling coding responsibilities for front-end, user-facing elements. You use JavaScript, HTML, and CSS for this part of the job. You also use languages such as Python, SQL, and PHP for the back-end system of a website, including the database, cloud network, and security features. In addition to coding, you test and debug your developments and work with other team members using development strategies and methodologies.

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

To thrive as a Junior Full Stack Developer, you need a solid understanding of front-end and back-end programming languages (such as JavaScript, HTML/CSS, and a back-end language like Python or Node.js), along with a relevant degree or coding bootcamp certification. Familiarity with frameworks (like React or Angular), version control systems (such as Git), and basic database management is typically required. Strong problem-solving skills, adaptability, and effective teamwork set standout developers apart. These skills are crucial for building robust, user-friendly applications and collaborating efficiently in fast-paced development environments.

What are some common challenges junior full stack developers face during their first year on the job?

Junior Full Stack Developers often encounter challenges such as balancing the demands of both front-end and back-end development, adapting to new frameworks or tools, and managing time effectively across multiple projects. Collaborating with more experienced team members and understanding how to communicate technical concepts clearly can also be a learning curve. Regular code reviews and mentorship are commonly provided to help junior developers grow their skills and confidence in a supportive team environment.

What is the difference between Junior Full Stack Developer vs Front End Developer?

AspectJunior Full Stack DeveloperFront End Developer
Required SkillsHTML, CSS, JavaScript, basic backend knowledge, frameworks like React or AngularHTML, CSS, JavaScript, UI/UX design, frameworks like React, Angular, or Vue
Work EnvironmentCollaborates on both client-side and server-side projects, often in startups or tech companiesFocuses on user interface and experience, primarily in web development teams
Common UsageEntry-level role for full stack development in various industriesSpecialized role focusing on front-end development in web projects

The main difference is that a Junior Full Stack Developer works on both front-end and back-end tasks, while a Front End Developer specializes in creating and optimizing user interfaces. The Junior Full Stack Developer has a broader skill set, whereas the Front End Developer focuses more on design and user experience.

More about Junior Full Stack Developer jobs

What are the most commonly searched types of Full Stack Developer jobs in Manchester, NH?

The most popular types of Full Stack Developer jobs in Manchester, NH are:

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For Junior Full Stack Developer jobs in Manchester, NH, the most frequently searched job titles are:

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Cities near Manchester, NH with the most Junior Full Stack Developer job openings:

Junior Full Stack Developer jobs near you

Principal Full Stack Engineer

Soteria Reinsurance Ltd.

Merrimack, NH • On-site

$150 - $210/hr

Other

Posted 28 days ago

Job description

## Principal Full Stack EngineerApplylocations: Merrimack, NHtime type: Full timeposted on: Posted Todayjob requisition id: 2124466## ## Job Description:**Note: Fidelity will not provide immigration sponsorship for this position.****The Team**We at Fidelity Trade Management Engineering (TME) group are responsible for building and maintaining Fidelity’s brokerage platform order management and trade processing system. We are high functioning, fast paced technology group that work on cutting edge technologies to deliver low latency and high throughput trading solutions. We want to work with an engineer who is versatile, always eager to take on new problems and share solutions as we push the technology forward. Working independently as well as collaboratively, it is important for this person to have a positive approach to leadership, teamwork, and a drive to deliver groundbreaking solutions every day.**The Expertise You Have*** Have at least a bachelor’s degree in Computer Science, Engineering, Information Technology or equivalent, with a preference for advanced study* Minimum 8 years of software design, development and performance testing experience* Deep hands-on experience in Software Performance Engineering* Demonstrated skill in Java, Spring, Python, Linux* Hands on experience using tools like jMeter to build performance harness for software benchmarking* Willingness to guide and mentor junior team members on solid engineering practices* Previous exposure to trading systems or brokerage technology* Knowledge of the FIX protocol is a plus**The Skills You Bring*** Ability to understand end to end platform and identify issues that can cause performance, scalability or resilience issues* Effective analytical, communication, and organizational skills and a willingness to run with multiple tasks at a given time* Thrive in a team environment, collaborating openly and actively contributing* Able to innovate independently and work with leadership* Familiarity with event driven and service-oriented processing is required* Demonstrated work experience with cloud technologies. Industry certifications are welcome, but hands on experience and expertise are better. Walking the walk is the most important thing* An eye for detail and a skill for root cause analysis in diagnosing and mitigating production problems as quickly as possible in a dynamic, high value environment**The Value you Deliver*** Work across organization and collaborate with teams to build highly scalable and resilient trading platform* Deliver high quality, timely, cost effective and maintainable software solutions in an agile environment to meet functional and non-functional business requirements* Actively contribute to the improvement of engineering practices such as code and design reviews, cloud strategy, and build and deployment pipelines* Work with squad lead and team tech lead on a frequent, recurring basis to design and implement novel solutions to complicated problems* Able to clearly present complex technical solutions, ideas, and plans to management, program teams, and less technical stakeholders as needed* Develop an understanding of the business domain you are working on and contribute to technology discussions with business partners and other external parties* Investigate creative practices and help decide how to apply them within the team.Fidelity’s Onsite Working Model Fidelity is transitioning to a full-time onsite working model through a phased rollout across regions and roles. Currently, some roles and locations require 100% onsite presence, while others require less. Onsite expectations are likely to evolve as the rollout continues. This transition does not apply to fully remote roles.## ## Certifications:## ## Category:## Information TechnologyPlease be advised that Fidelity’s business is governed by the provisions of the Securities Exchange Act of 1934, the Investment Advisers Act of 1940, the Investment Company Act of 1940, ERISA, numerous state laws governing securities, investment and retirement-related financial activities and the rules and regulations of numerous self-regulatory organizations, including FINRA, among others. Those laws and regulations may restrict Fidelity from hiring and/or associating with individuals with certain Criminal Histories. #J-18808-Ljbffr

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