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Junior Full Stack Software Developer Jobs in Brooklyn, NY

Peraton

Full-Stack Software Engineer

Red Bank, NJ

$104K - $166K/yr

Responsibilities Peraton Labs is seeking an experienced Full-Stack Software Engineer to join an existing engineering team developing a prototype RF spectrum planning and monitoring system for ...

Peraton

Full-Stack Software Engineer

Red Bank, NJ · On-site

$104K - $166K/yr

Responsibilities Peraton Labs is seeking an experienced Full-Stack Software Engineer to join an existing engineering team developing a prototype RF spectrum planning and monitoring system for ...

Peraton

Full-Stack Software Engineer

Red Bank, NJ · On-site

$104K - $166K/yr

Responsibilities Peraton Labs is seeking an experienced Full-Stack Software Engineer to join an existing engineering team developing a prototype RF spectrum planning and monitoring system for ...

The Cypress Group

Full Stack Developer

New York, NY · Hybrid

$110K - $150K/yr

Software Engineer - Full Stack (Python/web framework) About the Opportunity A leading global financial technology and market infrastructure company is seeking a Full Stack Software Engineer to join ...

Versana

Full Stack Software Engineer

New York, NY

$160K - $200K/yr

The Full Stack Software Engineer will work closely with seasoned technology leaders and colleagues with broad and varied backgrounds in a dynamic, agile environment. You must have a passion for ...

Versana

Full Stack Software Engineer

New York, NY · On-site

$160K - $200K/yr

The Full Stack Software Engineer will work closely with seasoned technology leaders and colleagues with broad and varied backgrounds in a dynamic, agile environment. You must have a passion for ...

Medium

Senior Full Stack Software Engineer

Manhattan, NY · On-site

$172.20 - $206.64/hr

Solid understanding of DevOps practices and tools (CI/CD pipelines, Infrastructure as Code ... As a Senior Full Stack Software Engineer , you'll play a key role in building secure, scalable ...

Versana

Full Stack Software Engineer

New York, NY · On-site

$160K - $200K/yr

The Full Stack Software Engineer will work closely with seasoned technology leaders and colleagues with broad and varied backgrounds in a dynamic, agile environment. You must have a passion for ...

INSTALILY.AI

Software Engineer, Full Stack

New York, NY · On-site

About the Role As a Full Stack Software Engineer at InstaLILY, you'll own meaningful pieces of our ... Mentor junior engineers: pair on hard problems, review their code thoughtfully, and help them level ...

Treeswift Inc

Full Stack Software Engineer

New York, NY · On-site

As our second full stack software engineer you will be a big part of setting an engineering culture that makes Treeswift an exciting place to work. * Be an owner at Treeswift; make our company better ...

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All JobsFull Stack Software Developer JobsJunior Full Stack Software Developer JobsJunior Full Stack Software Developer Jobs in Brooklyn, NY

Junior Full Stack Software Developer information

See Brooklyn, NY salary details

$25.2K

$93.6K

$144.6K

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

As of Aug 10, 2026, the average yearly pay for junior full stack software developer in Brooklyn, NY is $93,558.00, according to ZipRecruiter salary data. Most workers in this role earn between $70,400.00 and $91,500.00 per year, depending on experience, location, and employer.

What does a junior full stack software developer do?

A Junior Full Stack Software Developer is responsible for assisting in the design, development, and maintenance of both front-end and back-end components of web applications. They work with various programming languages, frameworks, and databases to build and support software solutions. Typically, they collaborate with senior developers and other team members to learn best practices, resolve bugs, and implement new features. This role is ideal for those who have foundational programming knowledge and are looking to gain hands-on experience across the entire software development stack.

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

AspectJunior Full Stack Software DeveloperJunior Front End Developer
Required SkillsProficiency in both front-end and back-end technologies (HTML, CSS, JavaScript, server-side languages, databases)Strong skills in HTML, CSS, JavaScript, and front-end frameworks (React, Angular)
Work EnvironmentInvolved in both client-side and server-side development, often in full project cyclesPrimarily focused on user interface and client-side features
Common UsageUsed in roles requiring versatile development across the stackUsed in roles specializing in UI/UX and front-end design

The main difference is that a Junior Full Stack Software Developer works on both front-end and back-end tasks, while a Junior Front End Developer focuses solely on the user interface and client-side development. The full stack role requires broader skills, whereas the front-end role specializes in creating engaging user experiences.

Can I become a junior full stack software developer with no experience?

Yes, it is possible to become a junior full stack software developer with no prior experience by learning foundational skills in programming languages like JavaScript, HTML, and CSS, and gaining practical knowledge through online courses, coding bootcamps, or personal projects. Entry-level roles often focus on demonstrating problem-solving abilities and a willingness to learn, rather than extensive professional experience.

What are some typical daily tasks and collaboration expectations for a junior full stack software developer?

As a Junior Full Stack Software Developer, your daily tasks often include writing and testing code for both front-end and back-end components, debugging issues, and participating in code reviews. You’ll regularly collaborate with other developers, designers, and sometimes product managers during stand-up meetings or sprint planning sessions to ensure alignment on project goals. It's common to work under the guidance of senior developers while learning best practices and receiving constructive feedback. This collaborative environment not only helps you grow technically but also improves your communication and teamwork skills.

What are the key skills and qualifications needed to thrive as a junior full stack software developer?

To excel as a Junior Full Stack Software Developer, you need a solid understanding of programming languages (such as JavaScript, Python, or Java), front-end and back-end frameworks, and a relevant degree or coding bootcamp experience. Familiarity with tools like Git, databases (e.g., SQL, MongoDB), and cloud platforms, as well as knowledge of agile methodologies, is typically expected. Problem-solving ability, eagerness to learn, and effective teamwork are standout soft skills in this role. These skills and qualities ensure you can build, maintain, and improve applications efficiently while collaborating well within a development team.
What are the most commonly searched types of Full Stack Software Developer jobs in Brooklyn, NY? The most popular types of Full Stack Software Developer jobs in Brooklyn, NY are:
What are popular job titles related to Junior Full Stack Software Developer jobs in Brooklyn, NY? For Junior Full Stack Software Developer jobs in Brooklyn, NY, the most frequently searched job titles are:
What job categories do people searching Junior Full Stack Software Developer jobs in Brooklyn, NY look for? The top searched job categories for Junior Full Stack Software Developer jobs in Brooklyn, NY are:
What cities near Brooklyn, NY are hiring for Junior Full Stack Software Developer jobs? Cities near Brooklyn, NY with the most Junior Full Stack Software Developer job openings:
Junior Full Stack Software Developer jobs near you
Infographic showing various Junior Full Stack Software Developer job openings in Brooklyn, NY as of August 2026, with employment types broken down into 83% Full Time, 12% Part Time, 1% Temporary, and 4% Contract. Highlights an 88% Physical, 3% Hybrid, and 9% Remote job distribution, with an average salary of $93,558 per year, or $45 per hour.

Full Stack Software Engineer

Gen II Fund Services LLC

Manhattan, NY • On-site

Full-time

Re-posted 3 days ago

Job description

Full Stack Software Engineer
Who is Gen II?Gen II is a leading fund administration provider focused entirely on serving private capital asset managers and investors with a best-in-class combination of people, process, and technology. Gen II has more than $1 trillion in private fund capital assets under administration.
With offices in the US and Europe, we're looking for do-ers, problem-solvers, and entrepreneurs like you who want to make an impact in our industry, grow with us, and create a community where everyone thrives.
Careers mean more at Gen II - more opportunity, more innovation, and more ideas! You'll have the opportunity to grow in ways that are meaningful to you and work alongside some of the best people in their field. You'll also receive training which will advance your skill set, both technically and personally allowing you to achieve your career aspirations with us. Be part of our community that recognizes achievements, promotes from within, and receive meaningful benefits which focus on your physical, mental and financial well-being.
www.gen2fund.com
Position Overview
We are looking for a Full Stack Developer to design, develop, and implement robust full stack solutions that drive efficiency, enhance data accuracy, and streamline financial operations. This role involves working in a hybrid team structure, collaborating closely with cross-functional teams including consultants, external vendors, and AI tool outputs, while leveraging agentic development tools such as Claude Code to accelerate delivery. You will provide technical leadership and ensure code quality across the hybrid development approach.
Key Responsibilities
  • Design, develop, and deploy scalable Java backend services using Spring Boot to support financial operations, including transaction processing, reporting engines, and secure APIs for internal and external integrations
  • Build responsive, intuitive user interfaces using TypeScript and React, tailored to the workflows of finance and operations users
  • Leverage agentic AI development tools such as Claude Code, Cursor, or similar to accelerate feature delivery, while critically reviewing, validating, and refining AI-generated code to ensure quality, security, and alignment with business requirements
  • Design, optimize, and maintain SQL Server databases including complex queries, stored procedures, indexing, and performance tuning for high-volume financial workloads
  • Implement and maintain CI/CD pipelines and DevOps practices in Azure DevOps to ensure efficient, reliable deployment processes
  • Lead code reviews and provide technical guidance for code developed by in-house engineers, consultants, external vendors, and AI-assisted development tools
  • Establish and enforce coding standards, architectural best practices, and technical documentation requirements across the hybrid development team
  • Integrate solutions with existing platforms and business applications, including financial systems such as Sage Intacct, to improve operational efficiency and automation
  • Optimize applications for scalability, performance, and reliability within cloud-based environments and continuously improve based on feedback and real-world data
  • Develop a strong understanding of the underlying business processes and partner with stakeholders to translate those needs into appropriate, well-designed technical solutions
  • Other duties as assigned.

Qualifications:
  • Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field
  • 3+ years of experience in full stack software development with a strong focus on Java technologies and modern frontend frameworks
  • Advanced proficiency in Java and the Spring Framework (Spring Boot, Spring Security, Spring Data)
  • Strong expertise in TypeScript and React, including state management, component design, and responsive UI development
  • Hands-on experience with agentic AI development tools such as Claude Code, Cursor, or similar, with a demonstrated ability to drive productive workflows and critically evaluate AI-generated output
  • Strong experience with SQL Server (or a comparable RDBMS), including complex queries, stored procedures, and performance optimization
  • Experience with Git-based version control and CI/CD pipelines (Azure DevOps preferred)
  • Solid understanding of microservices architecture, REST API design, and container technologies (Docker, Kubernetes)
  • Strong grasp of software design patterns, object-oriented programming principles, and secure coding practices
  • Experience with automated testing frameworks such as JUnit, Mockito, Jest, or Playwright
  • Excellent communication skills, with the ability to articulate technical concepts to non-technical stakeholders and provide technical leadership in a hybrid team environment

Desired Attributes:
  • Experience in financial services, private equity, or fund administration is desirable but not required
  • Familiarity with Sage Intacct or similar fund accounting platforms
  • Familiarity with Azure cloud services and cloud-native application development
  • Experience working in Agile/Scrum environments with hybrid teams of in-house staff, consultants, and external vendors
  • Exposure to building or maintaining financial transaction processing systems or reporting engines
  • Demonstrated track record of leading or mentoring engineers in adopting AI-assisted development practices and establishing related code-review and quality standards
  • Working knowledge of Python for scripting, automation, or backend service development
  • Familiarity with agentic workflow frameworks such as LangChain, LangGraph, or similar

The salary range for this position is $125,000 - $160,000, in addition to a discretionary bonus and comprehensive benefits package. Please note that the actual salary offered within that range will depend on the candidate's experience level.
Work Arrangement
All applicants applying to Gen II Fund Services, LLC must be legally authorized to work in the United States. This role follows a flexible hybrid schedule, with the resource expected in the office 1-4 days per week on a need basis.
https://gen2fund.com/candidate-privacy-statement/
Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities
This employer is required to notify all applicants of their rights pursuant to federal employment laws.
For further information, please review the Know Your Rights notice from the Department of Labor.

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