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Mid Level Backend Developer Jobs in Brooklyn, NY

HCLTech

Back End Developer

Hoboken, NJ · On-site

Collaborate with highly skilled engineering teams. * Opportunity to lead architecture and backend ... Throughout your time with us, we offer transparent communication with senior-level employees ...

TEKFORTUNE INC

Senior Back-End Developer

Manhattan, NY · On-site

$132K - $172K/yr

As a Senior Back-End Developer, you will be instrumental in designing, developing, and maintaining ... level design proposals, renderings, and presentations to stakeholders. • Provide input ...

Staffingine LLC

Java Backend Developer

New York, NY · On-site

$55.25 - $71.75/hr

Java Backend Developer Job Location: New York City, NY Job Type: Contract * Design Code and test ... Will need to offer 2nd level support of existing eTrading setup * Familiarity with Git and Maven ...

Lighthouse

Senior/Staff Backend Engineer

Manhattan, NY · On-site

$140 - $180/hr

We're looking for a senior or staff-level backend engineer to own and evolve the core systems that power Lighthouse. Our backend is Python and TypeScript, PostgreSQL, GraphQL, and serverless compute ...

New

Polymarket

Senior Backend Engineer, Payments

Manhattan, NY · On-site

$180 - $260/hr

Senior-level backend engineering experience with payments, fintech, or financial-data integrations (processors like Stripe, banking rails, card networks). * Proven track record leading migrations ...

Jobsbridge

Java Back End Developer

New York, NY

$55.25 - $71.75/hr

... level knowledge of MVC frameworks specifically Spring. -8 years J2EE, JSP, Servlets, JSTL, etc ... Qualifications Java Back End Developer,J2EE, JSP, Servlets, JSTL,Struts framework,Web and J2EE

Tessera Labs

Software Engineer, Backend

New York, NY · On-site

$200K - $250K/yr

About the Role We're looking for a Backend Engineer (Mid-Level) who thrives in a fast-paced, high-ownership startup environment. You'll help design, build, and maintain the backend systems that power ...

Helloslang

Backend Engineer

Manhattan, NY · On-site

$90 - $150/hr

You'll spend roughly 90% of your time developing backend services in Kotlin, with occasional ... Once ramped up, you'll have opportunities to mentor junior and other mid-level engineers through ...

New

TecTammina

Data Developer

New York, NY · On-site

Company Description Tech Tammina LLC Data Developer - Investment Company C#, mid-tier and backend development, financial, pl/sql Mid-tier and backend is programming on the server side rather than GUI ...

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

Mid Level Backend Developer information

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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 Brooklyn, NY is $60.71, according to ZipRecruiter salary data. Most workers in this role earn between $49.81 and $71.78 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 cities near Brooklyn, NY are hiring for Mid Level Backend Developer jobs?

Cities near Brooklyn, 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 Brooklyn, NY as of August 2026, with employment types broken down into 74% Full Time, 17% Part Time, 1% Temporary, and 8% Contract. Highlights an 90% Physical, 5% Hybrid, and 5% Remote job distribution, with an average salary of $126,271 per year, or $60.7 per hour.

Back-End Developer (Python/API)

Software Guidance & Assistance

Manhattan, NY • On-site

Other

Re-posted 8 days ago

Job description

Software Guidance & Assistance, Inc. (SGA) is searching for a mid-level Back-End Developer (Python/API) for a Permanent FTE assignment with one of our premier AI and Financial Technology clients. Must be local to NYC or Miami
The successful candidate will join a small, highly collaborative engineering team responsible for designing and building a cloud-native Portfolio Management System for a hedge fund from the ground up. This is a dedicated role supporting a single client, working directly with the client's engineering leads while collaborating with the firm's engineering team through code reviews and shared development practices. The immediate focus is Bloomberg connectivity and the Python back-end that market data flows through.
This role is ideal for a hands-on engineer who enjoys startup environments, greenfield development, and solving complex backend engineering challenges involving APIs, real-time market data, and scalable cloud architectures. The initial MVP is targeted for delivery by year-end.
This is neither a junior nor senior/principal level role.
Responsibilities
  • Design, develop, and maintain backend services using Python and FastAPI.
  • Build scalable REST APIs supporting cloud-native financial applications.
  • Develop backend services and APIs from the ground up for a greenfield Portfolio Management System.
  • Integrate with Bloomberg and other third-party market data providers to support real-time market data ingestion.
  • Develop real-time backend services utilizing WebSockets and event-driven architectures.
  • Design scalable backend solutions capable of supporting high-volume market data and growing user populations.
  • Implement API throttling, rate limiting, caching, retry logic, and fault-tolerant data ingestion.
  • Design, develop, and optimize PostgreSQL databases and SQL data models; work with Snowflake as the cloud data warehouse where applicable.
  • Optimize application performance, cloud resource utilization, and overall system scalability.
  • Deploy and support applications within Microsoft Azure.
  • Collaborate daily with the client's engineering leads during U.S. East Coast business hours to design, troubleshoot, and deliver new functionality.
  • Coordinate with the firm's engineering team through code reviews, merge requests, and shared development standards.
  • Participate in architecture discussions and contribute to the overall technical direction of the platform.
  • Troubleshoot production issues and continuously improve application reliability, scalability, and performance.

Required Skills
  • 5+ years of backend software development experience.
  • Strong Python programming skills.
  • Experience developing REST APIs using FastAPI or similar Python frameworks.
  • Hands-on Bloomberg API integration experience.
  • Strong understanding of backend application architecture and distributed systems.
  • Experience integrating external APIs.
  • Strong SQL and PostgreSQL experience.
  • Experience designing real-time applications utilizing WebSockets, streaming technologies, or event-driven architectures.
  • Experience implementing API throttling, caching, rate limiting, retry logic, and performance optimization.
  • Cloud development experience utilizing Microsoft Azure, AWS, or Google Cloud Platform.
  • Experience using Git and modern CI/CD practices.
  • Ability to consistently work U.S. East Coast business hours while collaborating live with engineering teams.
  • Excellent analytical, troubleshooting, and communication skills.
  • Ability to work independently within a collaborative, fast-paced startup environment.
  • Bachelor's degree in Computer Science or related technical discipline (or equivalent experience).

Preferred Skills
  • Experience with Snowflake cloud data warehouse.
  • Experience with OpenBB, DataBento, Polygon, DXFeed, Yahoo Finance, or similar financial market data providers.
  • Capital Markets, Trading Systems, Hedge Fund, or Financial Services experience.
  • JavaScript development experience.
  • Docker and containerization.
  • SQLAlchemy or comparable ORM frameworks.
  • Experience building AI-enabled or LLM-powered applications.
  • Startup or early-stage company experience.
  • Experience designing highly scalable, low-latency distributed systems.
  • Experience participating in collaborative code review and peer development environments.

SGA is a technology and resource solutions provider driven to stand out. We are a women-owned business. Our mission: to solve big IT problems with a more personal, boutique approach. Each year, we match consultants like you to more than 1,000 engagements. When we say let's work better together, we mean it. You'll join a diverse team built on these core values: customer service, employee development, and quality and integrity in everything we do. Be yourself, love what you do and find your passion at work. Please find us at .
SGA is an Equal Opportunity Employer and does not discriminate on the basis of Race, Color, Sex, Sexual Orientation, Gender Identity, Religion, National Origin, Disability, Veteran Status, Age, Marital Status, Pregnancy, Genetic Information, or Other Legally Protected Status. We are committed to providing access, equal opportunity, and reasonable accommodation for individuals with disabilities in employment, and our services, programs, and activities. Please visit our company EEO page to request an accommodation or assistance regarding our policy.
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