58 junior backend developer jobs at 46 companies in Cresskill, NJ

15h
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Backend Engineer, Markets
New York, New York, United States
OnsiteFull Time
Polymarket
Polymarket: A decentralized platform for trading on real-world event outcomes.
1+ YOE1+ years backend experience, proficiency in TypeScript/Python/Go, third-party API integration, Linux and cloud tooling comfort, experience shipping production code; AI-assisted development familiarity preferred.
TypeScript, Python, Go, Claude Code, Codex, Cursor, Linux, Kafka, RabbitMQ
3w
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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
1w
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Back End Engineer
New York or United States
$110k-$125k/yr OnsiteFull Time
Barstool Sports
Barstool Sports: Produces sports podcasts, blogs, and digital media content.
2+ YOE2+ years JavaScript/TypeScript backend experience, building REST APIs, working with databases and cloud (AWS/GCP), writing unit/integration tests, and operating in high-traffic production environments.
NodeJS, TypeScript, MongoDB, MySQL, Snowflake, EMR, AWS, GCP, Serverless, ffmpeg, hls, Semantic HTML, React.js, Next.js, Vercel, Storybook.js, Video.js, HLS.js, Webpack, Gulp, Grunt, NPM
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, Level 4
Los Angeles or New York City or Bellevue or Seattle or San Francisco or Palo Alto or Santa Monica
$133k-$235k/yr OnsiteFull Time
Snap
SnapNYSE: SNAP: Provides visual messaging software and augmented reality wearable devices.
2+ YOEBachelor's in a technical field or equivalent experience,2+ years post-Bachelor’s software development experience,experience with distributed systems,operational skills,collaboration and strong CS fundamentals.
Java, C++, Python, NoSQL, Memcache, Redis, Kubernetes, Google services, AWS services
1w
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Software Engineer, Backend
New York City, New York, United States
$175k-$275k/yr OnsiteFull Time
Mirage
Mirage: AI platform for automated video creation and professional editing.
2+ YOE2+ years industry experience, track record shipping production systems, strong problem solving, ability to build scalable backend systems; LLM/generative model experience preferred.
3w
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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
1w
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Software Engineer II, Backend - Rippling AI
New York, New York, United States
$135k-$225k/yr OnsiteFull Time
Rippling
Rippling: Unified platform managing workforce HR, IT, and finance operations
2+ YOE2+ years professional software engineering experience; backend/platform systems, distributed systems, APIs, reliability, testing, observability, strong coding and communication skills.
1mo
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Software Engineer Backend/Platform Systems I (Full Time) – United States
San Jose or New York City or Boston or Knoxville or Austin or Milpitas or Alpharetta or Research Triangle Park or Maynard or Fulton or Dallas or Atlanta or Hillsboro
HybridFull Time
Cisco
CiscoNASDAQ: CSCO: Develops and sells networking hardware and cybersecurity software.
0+ YOEDegree/certificate or equivalent experience; proficiency in C/C++, Java, or Go; experience with microservices/APIs, Linux, networking (TCP/IP, DNS, DHCP); familiarity with AWS, Azure, or GCP.
C/C++, Java, Go, Linux, AWS, Azure, GCP, pyTest, CI/CD
3w
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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++
3w
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System Integration and Test Engineer- CWW Backend Nights
Wilton, Connecticut, United States
OnsiteFull Time
ASML
ASMLNASDAQ: ASML: Manufactures lithography systems used to print patterns on wafers.
0+ YOEBachelor's in a technical discipline required, 0-1 year manufacturing/production experience preferred, cleanroom and optical fabrication experience a plus, able to troubleshoot production issues, lift up to 20 lbs, and be work-authorized in the US without sponsorship.
Teamcenter, SAP
2w
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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
1w
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Consultant Developer (Kotlin + Java) Hybrid position in USA
Raleigh or San Jose or New York City
$83k-$120k/yr HybridFull Time
Thoughtworks
Thoughtworks: Global consultancy providing software engineering and digital strategy services.
2+ YOE2+ years backend development experience with Java and Kotlin, knowledge of cloud (AWS), containerization (Docker, Kubernetes), TDD, Agile/Continuous Delivery, and strong communication skills.
Java, Kotlin, AWS, Docker, Kubernetes
1mo
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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
5d
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Software Development Engineer I
Bethpage or Plano
$84k-$137k/yr OnsiteFull Time
Optimum
OptimumNYSE: OPTU: Provides broadband, television, and mobile connectivity services to customers.
1+ YOEBachelor's degree or equivalent, 1+ years backend development experience, proficiency in Java/C/Go, Spring Boot, REST/JSON, SQL/NoSQL, Git and CI/CD, automated testing, cloud and container technologies.
Java, C, Go, Spring Boot, REST, JSON, Git, Bamboo, GitLab, JUnit, Selenium, VS Code, Cursor, Eclipse, Spring Tools Suite, Vertex API, GCP, AWS, Azure, MongoDB, Cassandra, Redis, Oracle, MySQL, PostgreSQL, CI/CD, Containers
1mo
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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
1w
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Full Stack Software Engineer
New York, New York, United States
$130k-$160k/yr OnsiteFull Time
Intercontinental Exchange
Intercontinental ExchangeNYSE: ICE: Operates global financial exchanges, clearing houses, and mortgage platforms.
2+ YOE2+ years professional software development, Bachelor\u0002s or equivalent, strong CS fundamentals, full-stack development, AI-driven development tools experience, React/TypeScript, backend services, relational DBs, testing and communication skills.
React, TypeScript, JavaScript, HTML5, CSS, Oracle, PostgreSQL, Spring Boot, AG Grid, D3, Jest, React Testing Library, Enzyme, Chai, Playwright, jest-puppeteer, cucumber-js, WebSocket, Claude Code, OpenAI Codex, Cursor, GitHub Copilot, VS Code, Anthropic, OpenAI, Google, xAI, Meta
1w
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Full Stack Software Engineer
New York, New York, United States
$130k-$160k/yr OnsiteFull Time
Intercontinental Exchange
Intercontinental ExchangeNYSE: ICE: Operates global financial exchanges, clearing houses, and mortgage technology.
2+ YOE2+ years professional software development, BS in CS or equivalent, strong CS fundamentals, full-stack experience (React/TypeScript frontend; backend services/REST), relational DB experience, and recent use of AI development tools.
Claude Code, OpenAI Codex, Cursor, GitHub Copilot, VS Code, React, TypeScript, JavaScript, HTML5, CSS, Oracle, PostgreSQL, Spring Boot, AG Grid, D3, Jest, React Testing Library, Enzyme, Chai, Playwright, jest-puppeteer, cucumber-js, WebSocket
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