56 junior backend developer jobs at 42 companies in Wayne, NJ

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
1w
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Associate Backend Engineer
New York, New York, United States
$95k-$115k/yr HybridFull Time
Eulerity
Eulerity: AI-driven marketing automation for franchise and multi-location brands.
1+ YOE1–3 years backend development experience with at least 1 year in Java, experience using AI agents/LLMs, familiarity integrating third-party APIs, strong communication and problem-solving; based in NYC tri-state and available full-time.
Java, GitHub Copilot, Anthropic, Google, OpenAI, Claude, Cursor, LLMs
2w
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Backend Software Engineer
New York City, New York, United States
$90k-$150k/yr OnsiteFull Time
Book of the Month
Book of the Month: Monthly subscription service delivering curated new hardcover books.
2+ YOE2+ years building production backend services with JavaScript/TypeScript and Node.js, experience with MySQL/PostgreSQL, automated testing, React/Next.js exposure, Snowflake and data pipelines, strong communication and problem-solving.
Node.js, JavaScript, TypeScript, MySQL, PostgreSQL, Snowflake, React, Next.js
1mo
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Backend Engineer - New York, NY
New York, New York, United States
$145k-$183k/yr OnsiteFull Time
Atoms
Atoms: Building robotics and software to automate physical world industries.
2+ YOE2+ years software engineering experience; strong backend system design, APIs, data stores, and distributed systems; experience leading cross-team initiatives; hands-on coding in Java and Go; collaboration and mentoring skills.
Java, Go
5d
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Software Engineer, Backend
New York, New York, United States
$175k-$275k/yr OnsiteFull Time
Mirage
Mirage: AI platform for automated video creation and professional editing.
2+ YOE2+ years professional experience building backend systems, services, APIs, and data/ML pipelines; expertise in distributed systems, scalability, and production reliability; strong problem solving and communication; LLM/Generative AI experience preferred.
1w
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Software Engineer, Backend, Level 4
Santa Monica or Los Angeles or New York City or Bellevue or Seattle or San Francisco or Palo Alto
$157k-$235k/yr OnsiteFull Time
Snap
SnapNYSE: SNAP: Develops social media applications and augmented reality technology.
2+ YOEBachelor's in CS or equivalent experience, 2+ years post-degree software development experience, distributed systems/backend experience, strong collaboration skills, proficiency with Java/C++/Python and cloud/NoSQL systems, ability to use AI tools responsibly.
Java, C++, Python, NoSQL, Memcache, Redis, Kubernetes, Google services, AWS services, AI tools
1mo
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Senior Software Engineer - Backend
New York City or San Francisco or London or Sydney
$170k-$240k/yr OnsiteFull Time
Sigma Computing
Sigma Computing: Cloud-native analytics platform featuring a spreadsheet-style interface.
2+ YOE2+ years building high-quality software; strong CS fundamentals; experience with backend services, continuous deployment, and cloud infrastructure; teamwork and ownership mindset.
Rust, Go, GraphQL, Node, Kubernetes, SQL, Python, GCP, AWS, Azure
2mo
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Junior Software Engineer - Automation & Integration
Ridgefield, Connecticut, United States
OnsiteFull Time
Fletcher Development
Fletcher Development: Builds luxury custom homes and provides residential estate management services.
Backend development in .NET (C#) and Python; REST APIs; databases; payments security; AI tooling.
.NET (C#), Python, REST APIs, PostgreSQL, SQL Server, Stripe, QuickBooks API, OneSignal, Twilio, SendGrid, Copilot
2mo
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Software Engineer Intern - Backend Focused - Winter 2027
New York or San Francisco or Seattle
OnsiteInternship, Temporary
Rippling
Rippling: Unified platform managing workforce HR, IT, and finance operations
Current undergraduate/graduate student in CS or related field, previous software engineering internship experience with Python, backend programming skills, strong communication and critical thinking.
Python, Slack, Microsoft 365
1mo
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Junior Design Engineer, Americas
New York or San Francisco or Austin or Portland or Los Angeles or Seattle or Boston or Chicago or Denver or United States
$98k-$165k/yr RemoteFull Time
Ashby: Provides all-in-one recruiting software for high-growth businesses.
0+ YOEDesign and implement UI/UX and production-quality code; proficiency with TypeScript, React, CSS; familiarity with backend technologies (Node.js, GraphQL, Postgres, Redis); strong visual design and product thinking. Junior applicants: 0–2 years industry experience.
TypeScript, React, GraphQL, Node.js, Postgres, Redis, CSS
1w
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Junior Solutions Engineer - Partnerships, Ads
New York, New York, United States
$123k-$256k/yr OnsiteFull Time
TikTok
TikTok: Global short-form video hosting and social media platform.
1+ YOEBachelor's in CS or related,1+ years shipping production code,knowledge of API and backend design,familiarity with Python,Go,Java,C/C++,strong communication and stakeholder collaboration skills.
Python, Go, Java, C/C++
4d
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Software Engineer, Data
New York City, New York, United States
$120k-$160k/yr HybridFull Time
YCharts
YCharts: SaaS platform for investment research and client communication.
2+ YOE2+ years experience, proficiency in Python and backend development, familiarity with Django, Airflow, pandas, celery, relational databases, query optimization, and large-data performance.
Python, Django, Airflow, pandas, celery
3w
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Full Stack Developer
Parsippany or Conshohocken or Wilkes Barre or Alpharetta
$78k-$180k/yr HybridFull Time
Berkshire Hathaway GUARD Insurance Companies
Berkshire Hathaway GUARD Insurance CompaniesNYSE: BRK.B: Provider of commercial property and casualty insurance products.
Degree in computer science or equivalent experience; backend development (C#/.NET or similar); frontend frameworks (React/Angular/Vue); cloud (Azure); databases (SQL/NoSQL); Git, CI/CD, and experience with AI-assisted development tools (e.g., GitHub Copilot).
C#, .NET, React, Angular, Vue, Azure, SQL, NoSQL, Git, GitHub Copilot, ChatGPT, CI/CD, DevOps, OAuth, OpenID, Scrum, Kanban
3w
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Software Engineer
New York, New York, United States
OnsiteFull Time
Newmark
NewmarkNASDAQ: NMRK: Commercial real estate brokerage and property management services.
2+ YOE2+ years backend development with Python and Java/Spring; knowledge of equities; SQL proficiency; exposure to Angular; REST API, Git, CI/CD, Spring Boot/Cloud, microservices, caching (Gemfire/Redis), Solace, cloud (AWS/Azure/Google Cloud), Docker/Kubernetes.
Python, Java, Spring Boot, Spring Cloud, SQL, Angular, Git, Pivotal Cloud Cache (Gemfire), Redis, Solace, AWS, Azure, Google Cloud, Docker, Kubernetes
2w
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Software Engineer, Full Stack, Level 4
Los Angeles or New York City or Bellevue or Seattle or San Francisco or Palo Alto or Santa Monica
$157k-$235k/yr OnsiteFull Time
Snap
SnapNYSE: SNAP: Provides visual messaging software and augmented reality wearable devices.
2+ YOEBachelor's degree or equivalent, 2+ years post-degree software development, proficiency in JavaScript/TypeScript, HTML, CSS and one or more backend languages (Java, Golang, NodeJs, Python), front-end frameworks, unit testing, and full-stack web development.
JavaScript, TypeScript, HTML, CSS, Java, Golang, NodeJs, Python, React, Angular, Vue, WebGL, Canvas, WebAssembly, Service workers, GraphQL, NoSQL, Memcache, Redis, Kubernetes, Google, AWS
2mo
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AI Engineer
New York or Los Angeles or Boston or Jersey City or Houston
$115k-$130k/yr RemoteAll Commitments Available
Makai Labs
Makai Labs: Provides AI-powered enterprise automation and human-machine teaming solutions.
Hands-on AI engineer with Python skills; experience building AI apps; internship/coursework/research or projects; ability to prototype and iterate quickly.
Python, API development, Backend services, Workflow automation, FastAPI/Flask, React/TypeScript, Docker, Testing (Python/TypeScript), LLM retrieval/search
2mo
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Firm Market Risk Technology – Lead Engineer (Vice President)
New York City, New York, United States
$150k-$210k/yr OnsiteFull Time
Morgan Stanley
Morgan StanleyNYSE: MS: Global financial services firm providing investment and wealth management.
8+ YOE8+ years building large-scale Java backend and distributed systems; strong Linux/Unix and database experience; experience with cloud, containerized deployments, and mentoring junior engineers.
Java, Python, Linux/Unix, Snowflake, Apache Spark, Terraform, CloudFormation, Azure, AWS, GCP
3mo
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Software Engineer
San Francisco or Bellevue or New York
$175k-$280k/yr OnsiteFull Time
Sesame
Sesame: Designing wearable computers with lifelike voice-driven AI agents.
Backend engineer proficient in at least one language; strong distributed systems, databases, REST/gRPC; Kubernetes; on-call reliability.
Kubernetes, REST, WebSockets, gRPC, HTTP, Relational databases, NoSQL, Message queues, Caches, Search indexes
1w
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Full-Stack Engineer
New York, New York, United States
$140k-$180k/yr HybridFull Time
Lazard
LazardNYSE: LAZ: Global financial advisory and asset management firm.
2+ YOE2+ years software engineering experience, bachelor’s in CS/Data Science, production application development, strong Python backend skills, front-end framework experience (e.g., React), API and SQL experience, cloud deployment (Microsoft Azure), regulated environment and ML production experience.
Python, React, SQL, Microsoft Azure
2w
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Agentic AI Engineer III - Cybersecurity
New York or Phoenix or Phoenix
$104k-$175k/yr HybridFull Time
American Express
American ExpressNYSE: AXP: Global financial services and credit card payment network.
2+ YOE2+ years software engineering experience; hands-on experience with AI/LLM features; strong backend skills in Python, Go, or TypeScript; familiarity with APIs, cloud concepts, and modern development practices; collaborative and customer-focused.
Python, Go, TypeScript, APIs, LLM, Retrieval-Augmented Generation (RAG), CNAPP, CSPM, SSPM, SIEM, vector databases
3mo
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Software Engineer
New York, New York, United States
OnsiteFull Time
Ornn
Ornn: Building financial infrastructure for the AI compute economy.
1+ YOE1+ years shipping production software; strong Python backend experience; full-stack capability; BS/MS in CS or related field; comfortable working independently on high-reliability systems.
Python, Rust, GPU compute, IaC, container orchestration, CI/CD