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Mid Level Backend Developer Jobs in Wantagh, NY (NOW HIRING)

Syntax

Mid-Level / Senior Software Engineer

New York, NY

$134K - $176K/yr

As a Mid-Level or Senior Software Engineer you will be responsible for developing, maintaining and ... Writing well-designed APIs and working with backend services * Creating flexible and intuitive ...

Syntax

Mid-Level / Senior Software Engineer

New York, NY · On-site

$134K - $176K/yr

As a Mid-Level or Senior Software Engineer you will be responsible for developing, maintaining and ... Writing well-designed APIs and working with backend services * Creating flexible and intuitive ...

Praxis Tech

Mid-Level Engineer

Manhattan, NY · On-site

$110 - $150/hr

This Mid-Level Engineer role involves solving complex problems, owning projects end-to-end, and building cutting-edge technology in a fast-moving startup environment. About Mojo Mojo is a technology ...

NxT Level

Senior Software Engineer, Backend

Manhattan, NY · Remote

$170K - $230K/yr

Senior Backend Engineer (GenAI / LLM Workflows) Compensation: $170,000-$230,000 base + equity Location: San Francisco, CA or (open to remote to start) About Our Client Our client has built a leading ...

NxT Level

Founding Backend Engineer

Manhattan, NY · On-site

Founding Senior Backend Engineer (Data Platform / Integrations) Location: New York City -- In ... customer-level business metrics--e.g., client retention, caregiver satisfaction, authorization ...

NxT Level

Senior Software Engineer, Backend

Manhattan, NY · On-site

$170K - $230K/yr

Senior Backend Engineer (GenAI / LLM Workflows) Compensation: $170,000-$230,000 base + equity Location: San Francisco, CA or (open to remote to start) About Our Client Our client has built a leading ...

NxT Level

Founding Backend Engineer

Manhattan, NY · On-site

Founding Senior Backend Engineer (Data Platform / Integrations) Location: New York City - In-Person ... customer-level business metrics-e.g., client retention, caregiver satisfaction, authorization ...

NxT Level

Founding Backend Engineer

Manhattan, NY

Founding Senior Backend Engineer (Data Platform / Integrations) Location: New York City -- In ... customer-level business metrics--e.g., client retention, caregiver satisfaction, authorization ...

DualEntry

Senior Backend Engineer (NYC)

Manhattan, NY · On-site

As a Senior Backend Engineer, you will architect and build core backend systems, manage complex ... DualEntry develops an AI-based accounting software for handling transactions for mid-market ...

Fuku

Founding Backend Engineer

New York, NY · On-site

$160K - $200K/yr

*Founding Backend Engineer* *Company Overview* Client is a fast-growing social shopping platform co ... This is a founding-level opportunity with significant product and technical ownership.

Fuku

Founding Backend Engineer

New York, NY · On-site

$160K - $200K/yr

Founding Backend Engineer Company Overview Client is a fast-growing social shopping platform co ... This is a founding-level opportunity with significant product and technical ownership.

deCircle

Fun.xyz - Backend Engineer Manager

Manhattan, NY · On-site

$120 - $160/hr

We're looking for a Backend Engineering Manager to lead and scale our backend infrastructure team ... Experience as an IC engineer with staff level output * Strong technical background in distributed ...

Junior

Backend Engineer

New York, NY · On-site

This is a systems-level role - ideal for engineers who love thinking about data flows ... Architect and scale backend systems that support high-throughput LLM interactions, vector search ...

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All JobsMid Level Backend Developer JobsMid Level Backend Developer Jobs in Wantagh, NY

Mid Level Backend Developer information

See Wantagh, NY salary details

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$85

How much do mid level backend developer jobs pay per hour?

As of Aug 21, 2026, the average hourly pay for mid level backend developer in Wantagh, NY is $58.70, according to ZipRecruiter salary data. Most workers in this role earn between $48.17 and $69.42 per hour, depending on experience, location, and employer.

What is a mid level backend developer?

Mid Level Backend Developers are software engineers who specialize in developing and maintaining the server-side logic, databases, and APIs that power web and mobile applications. They usually have a few years of professional experience and are proficient in programming languages like Java, Python, Node.js, or Ruby. These developers are responsible for ensuring that data flows efficiently between the server and users, optimizing performance, and collaborating with front-end developers and other team members. Their role often includes troubleshooting server issues, writing automated tests, and implementing security best practices.

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

To thrive as a Mid Level Backend Developer, you need strong programming skills in languages like Java, Python, or Node.js, a solid understanding of server-side logic, and experience with relational and non-relational databases. Familiarity with frameworks (such as Spring or Express), RESTful API development, version control systems (like Git), and containerization tools (like Docker) is typically required. Effective problem-solving, collaboration, and clear communication are standout soft skills for this role. These abilities are crucial for building reliable, scalable backend systems and working efficiently within development teams.

What are some typical challenges a mid level backend developer might face when working on large-scale applications?

As a Mid Level Backend Developer, you may frequently encounter challenges related to maintaining code quality and ensuring scalability as applications grow. Managing database performance, optimizing API responses, and integrating with legacy systems are common tasks that require both technical skill and problem-solving ability. Collaboration with frontend developers, DevOps engineers, and QA testers is essential to ensure smooth deployments and consistent user experiences. Staying up-to-date with new frameworks and technologies, while balancing project deadlines, is also a key part of the role.

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

AspectMid Level Backend DeveloperJunior Backend Developer
Experience2-4 years0-2 years
SkillsProficient in backend frameworks, databases, API developmentBasic understanding of backend concepts, learning frameworks
ResponsibilitiesDeveloping features, troubleshooting, code reviewsAssisting in tasks, learning codebase, bug fixing
Work EnvironmentCollaborates with teams, independent problem-solving

The main difference between a Mid Level Backend Developer and a Junior Backend Developer lies in experience and skill level. Mid level developers have more hands-on experience, handle complex tasks independently, and contribute significantly to project development. Junior developers are still learning, focusing on foundational tasks and gaining industry knowledge. This distinction helps employers identify the right candidate for different stages of project involvement.

What are the most commonly searched types of Backend Developer jobs in Wantagh, NY?

The most popular types of Backend Developer jobs in Wantagh, NY are:

What cities near Wantagh, NY are hiring for Mid Level Backend Developer jobs?

Cities near Wantagh, NY with the most Mid Level Backend Developer job openings:

Mid Level Backend Developer jobs near you
Infographic showing various Mid Level Backend Developer job openings in Wantagh, NY as of June 2026, with employment types broken down into 19% Full Time, 71% Part Time, and 10% Contract. Highlights an 84% Physical, 3% Hybrid, and 13% Remote job distribution, with an average salary of $122,102 per year, or $58.7 per hour.

Mid-Level / Senior Software Engineer

Syntax

New York, NY

$134K - $176K/yr

Full-time

Re-posted 2 days ago

Job description

About Syntax Data
Syntax is a financial data and technology company that codifies business models into a relational system called Affinity Data. Using its patented FIS technology inspired by the systems sciences, Affinity Data offers the most comprehensive, granular, and accurate product line revenue data available on public companies in the market. This technology is leveraged to classify and analyze private markets at scale.
 
Syntax Direct, is an index modelling and analysis platform that uses this abundance of data to facilitate the near instantaneous creation and ongoing management of boundless direct indexing solutions and rules-based equity portfolios through a fully automated platform. Syntax Indices provides customized and proprietary indices, including core global benchmarks and micro- and macro-thematic, smart beta, defined outcome, and target volatility indices. These indices are foundational for a range of financial products, such as ETFs, UITs, and structured products.
 
About the Role
Syntax's Software Engineering team is a group of highly motivated people with a passion for technology. As a Mid-Level or Senior Software Engineer you will be responsible for developing, maintaining and innovating on Syntax's financial software and data products.  You will be tasked with writing optimized, performant code, and be expected to contribute to the planning and design of our products. Your work will contribute to the development of web applications, data pipelines and third party integrations. You will mentor peers, conduct code reviews, and provide direct feedback into Syntax's software engineering process and improve the efficiency of the team.
Responsibilities will include:
  • Designing, enhancing and maintaining large financial databases for use in web applications
  • Developing and maintaining database systems supporting the construction of  performant, complex queries
  • Writing well-designed APIs and working with backend services
  • Creating flexible and intuitive client-facing JSON APIs for streaming data
  • Implementing dynamic front-end layouts to design specifications
  • Ensuring that mission critical systems and services operate smoothly by triaging and resolving operational issues as part of a team of on-call engineers
  • Collaborating with cross-functional teams to identify and solve complex problems
The ideal candidate will have:
  • A bachelor's degree or higher in computer science or a related discipline
  • Proficiency in relational database systems such as Postgresql
  • Familiarity with JavaScript and at least one modern front-end framework
  • An eye for code quality, familiarity with design patterns and best practices
  • Excellent problem-solving skills and the ability to work independently and collaboratively in a fast-paced, agile environment
  • Strong communication skills and the ability to articulate technical concepts effectively to both technical and non-technical audiences
Preferred skills:
  • Experience with python and a dataframe library such as Polars or Pandas
  • Experience working in finance or financial technology
  • Prior professional experience working with and deploying to cloud environments such as AWS, DigitalOcean, or equivalent
  • Experience with Ruby on Rails or similar MVC framework
  • Familiarity with Infrastructure as Code and tooling such as Terraform or AWS CDK
Mid-level range: $125,000 - $140,000
Senior-level range: $140,000 - $165,000
 
Syntax is a data and technology provider to the financial services industry. The company offers unique data sets  for public and private companies that organize the global economy based on systems theory. Data is offered via complete database solutions, consulting services, indices and turnkey technology platforms.
 
Learn more at syntaxdata.com
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