66 junior backend developer jobs at 50 companies in Yonkers, NY
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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.
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.
San Jose or Los Angeles or Singapore or New York City or London or Dublin or Paris or Berlin or Dubai or Jakarta or Seoul or Tokyo
$128k-$256k/yrOnsiteFull Time
TikTok: Global short-form video hosting and social media platform.
Bachelor's or master's degree in computer science, computer engineering, software engineering, or related field; backend programming fluency and strong data structures, algorithms, operating systems, networking, and database knowledge.
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.
Ornn: Building financial infrastructure for the AI compute economy.
1+ YOERequires 1+ year shipping production software, strong Python, backend API and data-system experience, full-stack capability, independent work, and a BS or MS in computer science or a related field.
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.
Pogo: AI-powered market research platform using verified consumer purchase data.
2+ YOE2–4 years of full-stack software development experience; production systems experience; proficiency with AI tools, frontend and backend development, APIs, AI agents, and collaborative product delivery.
Claude Code, Cursor, Codex, LLMs, Animations.Dev, Devouring Details, InterfaceCraft
Menlo Park or New York City or Bellevue or Washington or Denver or Westlake or Chicago or Lake Mary or Clearwater or Gainesville
$166k-$195k/yrHybridFull Time
RobinhoodNASDAQ: HOOD: Provides a commission-free platform for investing and financial services.
2+ YOE2+ years of software development experience; backend expertise in Go, Python, or Java; cloud-native architecture, system design, data modeling, and software engineering fundamentals required.
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.
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.