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Senior Backend Developer Jobs in Harrison, NJ (NOW HIRING)

Veris AI

Senior Backend Engineer

Manhattan, NY · On-site

They are seeking a Senior Backend Engineer to strengthen their engineering team by building the ... cloud and DevOps tasks: IaC, container builds, monitoring, and cost tuning. • Collaborate with ...

Novella

Senior Backend Engineer

Manhattan, NY · On-site

They are seeking a Senior Backend Engineer to design and develop AI-driven applications and collaborate closely with the founders and product team to define and implement the technical vision.

NxT Level

Senior Backend Engineer

Manhattan, NY · On-site

Senior Backend Engineer WHY THIS ROLE EXISTS Our client is building AI technology to make healthcare accessible and free for everyone. They are seeking backend engineers to develop scalable ...

NxT Level

Senior Backend Engineer

Manhattan, NY · On-site

Senior Backend Engineer WHY THIS ROLE EXISTS Our client is building AI technology to make healthcare accessible and free for everyone. They are seeking backend engineers to develop scalable ...

Sage Recruiting

Senior Backend Engineer

New York, NY · On-site

Senior Backend Engineer Our client is looking for a Senior Backend Engineer to help refine the ... You will work across product abstractions, distributed systems, data management, and developer ...

Doctronic Inc

Senior Backend Engineer

New York, NY · On-site

$85K - $240K/yr

Senior Backend Engineer Doctronic | New York City ONSITE (Hybrid) | Reports to CEO The Mission Let's make healthcare free and accessible to everyone through AI. We need backend infrastructure that ...

Ra

Senior Backend Engineer

New York, NY

$165K/yr

As our Sr. Backend Engineer, you will be: * You will develop efficient web services and APIs * You will participate in daily code deploys while working on individual or team projects * You will ...

Sunbit

Sr. Backend Engineer

Jersey City, NJ · On-site +1

Description JOB TITLE: Sr. Backend Engineer LOCATION: Jersey City (Hybrid, 3 days/ week) REPORTS TO: Squad Leader The Company: Sunbit builds financial technology for real life. Our AI-native platform ...

Sunbit

Sr. Backend Engineer

New York, NY · On-site

Description JOB TITLE: Sr. Backend Engineer LOCATION: Jersey City (Hybrid, 3 days/ week) REPORTS TO: Squad Leader The Company: Sunbit builds financial technology for real life. Our AI-native platform ...

Blockworks

Senior Backend Engineer

New York, NY · On-site

$190K - $210K/yr

As a Senior Backend Engineer at Blockworks, you'll design, build, and maintain the systems that ... familiar with DevOps practices, CI/CD pipelines, and deployment tools, and you collaborate ...

Sunbit

Sr. Backend Engineer

New York, NY · On-site +1

Description JOB TITLE: Sr. Backend Engineer LOCATION: Jersey City (Hybrid, 3 days/ week) REPORTS TO: Squad Leader The Company: Sunbit builds financial technology for real life. Our AI-native platform ...

Sunbit

Sr. Backend Engineer

Jersey City, NJ · On-site

JOB TITLE: Sr. Backend Engineer LOCATION: Jersey City (Hybrid, 3 days/ week) REPORTS TO: Squad Leader The Company: Sunbit builds financial technology for real life. Our AI-native platform helps more ...

Sunbit

Sr. Backend Engineer

New York, NY · On-site

JOB TITLE: Sr. Backend Engineer LOCATION: Jersey City (Hybrid, 3 days/ week) REPORTS TO: Squad Leader The Company: Sunbit builds financial technology for real life. Our AI-native platform helps more ...

Fin

Senior Backend Software Engineer

New York, NY · Remote

$125K - $250K/yr

About the role We are looking for a Senior Backend Engineer to own the core systems that make this ... Build internal tools and automation that improve developer productivity and system reliability.

Fin

Senior Backend Software Engineer

New York, NY · On-site +1

$125K - $250K/yr

About the role We are looking for a Senior Backend Engineer to own the core systems that make this ... Build internal tools and automation that improve developer productivity and system reliability.

Fin

Senior Backend Software Engineer

New York, NY · On-site

$125K - $250K/yr

About the role We are looking for a Senior Backend Engineer to own the core systems that make this ... Build internal tools and automation that improve developer productivity and system reliability.

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Showing results 21-40

All JobsBackend Developer JobsSenior Backend Developer JobsSenior Backend Developer Jobs in Harrison, NJ

Senior Backend Developer information

See Harrison, NJ salary details

$67K

$146.5K

$199.5K

How much do senior backend developer jobs pay per year?

As of Sep 2, 2026, the average yearly pay for senior backend developer in Harrison, NJ is $146,465.00, according to ZipRecruiter salary data. Most workers in this role earn between $126,200.00 and $163,900.00 per year, depending on experience, location, and employer.

What does a senior backend developer do?

A Senior Backend Developer is responsible for designing, building, and maintaining the server-side logic of web applications. They work with databases, APIs, and server infrastructure to ensure that applications run smoothly, securely, and efficiently. In addition to writing robust code, they often mentor junior developers, contribute to architectural decisions, and collaborate with frontend teams to deliver seamless user experiences. Their expertise is crucial for scaling applications and implementing best practices in software development.

What are the key skills and qualifications needed to thrive as a senior backend developer, and why are they important?

To thrive as a Senior Backend Developer, you need advanced proficiency in server-side programming languages (such as Java, Python, or Node.js), deep understanding of API design, and experience with database management, often supported by a degree in computer science or related field. Familiarity with version control systems (like Git), cloud platforms (such as AWS or Azure), and relevant certifications in backend technologies are commonly required. Strong problem-solving abilities, effective communication, and leadership skills help you collaborate with cross-functional teams and mentor junior developers. These competencies ensure robust, scalable backend systems and drive successful project delivery in complex technical environments.

What are common challenges senior backend developers face when leading complex projects, and how can they address them?

Senior Backend Developers often encounter challenges such as integrating legacy systems with new technologies, ensuring scalability under increased load, and coordinating cross-functional teams for seamless feature delivery. Addressing these challenges typically involves proactive architectural planning, clear communication with frontend and DevOps teams, and adopting best practices like code reviews and automated testing. Staying updated on emerging technologies and fostering a culture of knowledge sharing within the team also help in overcoming technical obstacles and driving successful project outcomes.

What is the difference between Senior Backend Developer vs Backend Developer?

AspectSenior Backend DeveloperBackend Developer
Required Experience5+ years, leadership skills1-3 years, foundational skills
ResponsibilitiesDesign architecture, mentor juniors, optimize systemsImplement features, fix bugs, write code
Skills & CertificationsAdvanced coding, system design, relevant certificationsBasic coding, database knowledge
Work EnvironmentCollaborates with cross-functional teams, often in larger projectsFocuses on individual tasks within projects

The main difference between a Senior Backend Developer and a Backend Developer lies in experience, responsibilities, and leadership. Senior Backend Developers typically have more years of experience, take on complex system design, and mentor junior staff, whereas Backend Developers focus on implementing features and fixing bugs. Both roles are essential in backend development teams, but the senior role involves more strategic and leadership duties.

What job categories do people searching Senior Backend Developer jobs in Harrison, NJ look for?

The top searched job categories for Senior Backend Developer jobs in Harrison, NJ are:

What cities near Harrison, NJ are hiring for Senior Backend Developer jobs?

Cities near Harrison, NJ with the most Senior Backend Developer job openings:

Senior Backend Developer jobs near you
Infographic showing various Senior Backend Developer job openings in Harrison, NJ as of August 2026, with employment types broken down into 79% Full Time, 3% Part Time, and 18% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $146,465 per year, or $70.4 per hour.

Senior Backend Engineer

Veris AI

Manhattan, NY • On-site

Full-time

Re-posted 22 days ago

Job description

Job Summary:
Veris AI is a technology company focused on building high-fidelity simulation environments for enterprise agents. They are seeking a Senior Backend Engineer to strengthen their engineering team by building the simulation engine and app backend that power their platform.
Responsibilities:
• Design and code backend services in Python /FastAPI and data-store integrations (PostgreSQL, Redis, vector DBs).
• Implement and iterate on AI agents inside our sandboxes.
• Write tests, instrument metrics, and deploy code through CI/CD pipelines.
• Own cloud and DevOps tasks: IaC, container builds, monitoring, and cost tuning.
• Collaborate with research and product teams to deliver customer projects on tight schedules.
Qualifications:
Required:
• 3+ years of professional software development.
• 2+ years working on AI or ML-enabled applications.
• Proficiency with at least one major cloud provider (AWS, GCP, or Azure) and container orchestration.
• Experience with LLM tooling.
• Solid grasp of engineering best practices: code reviews, automated testing, observability.
• Clear written and verbal communication, with the ability to work independently and unblock yourself.
Preferred:
• Experience with reinforcement learning, model training, or GPU infrastructure.
• Familiarity with Kubernetes, Terraform, or similar IaC stacks.
Company:
Veris AI is a platform focused on training and testing AI agents for enterprise use through high-fidelity simulation environments. Founded in 2025, the company is headquartered in New York, USA, with a team of 2-10 employees. The company is currently Early Stage.

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