59 junior backend developer jobs at 46 companies in Rutherford, NJ
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Backend Engineer, Markets
New York, New York, United States
OnsiteFull Time
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
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.
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.
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.
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.
ByteDance: Developing AI-driven content platforms and mobile applications.
Bachelor's or Master's in Computer Science or related field, coursework or internship experience in web apps, Unix/Linux, distributed systems, networking, strong programming and problem-solving skills.
Mirage: AI platform for automated video creation and professional editing.
2+ YOE2+ years industry experience; backend engineering across services, APIs, data/ML pipelines; distributed systems, scalability, and production operations; strong problem-solving and product focus.
Santa Monica or Los Angeles or New York City or Bellevue or Seattle or San Francisco or Palo Alto
$157k-$235k/yrOnsiteFull Time
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
New York City or San Francisco or London or Sydney
$170k-$240k/yrOnsiteFull Time
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.
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.
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.
System Integration and Test Engineer- CWW Backend Nights
Wilton, Connecticut, United States
OnsiteFull Time
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.
Software Engineering Intern (Front End or Back End)
New York City or United States
RemoteMultiple Commitments Available
Zant: High-performance coaching platform for leaders, founders, and funds.
Pursuing or holding a BS/MS in computer science, engineering, or related field; front-end or back-end specialization; comfortable with Cursor and Xano; strong communication, documentation, and problem-solving skills.
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.
Flatiron Health: Software platform for oncology data and clinical research.
1+ YOEBachelor's degree in CS or related field and 1 year software engineering experience; experience with data modeling, backend development, PostgreSQL, Apache Airflow, cloud data management, web CRUD, testing, and Git.
Consultant Developer (Kotlin + Java) Hybrid position in USA
Raleigh or San Jose or New York City
$83k-$120k/yrHybridFull Time
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.
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
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
NBCUniversalNASDAQ: CMCSA: Produces and distributes entertainment content and theme park experiences.
2+ YOEBachelor's or equivalent and 2+ years software engineering experience. Backend/API experience with Golang, Node.js, TypeScript/Java/ Python, GraphQL, Git, and cloud services. Strong problem-solving and collaboration; familiarity with AI-assisted development.