33 backend developer jobs at 23 companies in Patchogue, NY
1w
Save
Mark Applied
Hide
Backend Engineer_AI Gateway
Englewood Cliffs or Plano
$11k/mo OnsiteContract
Deep expertise in async Python and network programming, cloud infrastructure, container orchestration, streaming data, security gateways, IAM/SSO, observability, and CI/CD.
asyncio, aiohttp, anyio, WebSocket, SSE, TLS, HTTP/2, HTTP/3, gRPC, FastAPI, Pydantic, Docker, AKS, EKS, GKE, Istio, Envoy, Redis Streams, RabbitMQ, Kafka, PostgreSQL, PgBouncer, HashiCorp Vault, NGINX, Terraform, GitHub Actions, GitLab CI, CASB, DLP, WSS, Azure AD, Entra ID, Okta, SAML 2.0, OIDC, SCIM, Azure OpenAI, Datadog, Prometheus, Grafana, Azure Monitor
1w
Save
Mark Applied
Hide
Backend Software Engineer - Assistant Vice President
Greenwich or New York City
$130k-$170k/yr HybridFull Time
6+ YOEDegree in software engineering,6+ years web application development,experience with Python/Scala/Node.js,knowledge of relational/NoSQL modeling,testing and SSO familiarity.
Scala, Ruby, Node.js, Python, FastAPI, ZIO, Scala Test, ZIO Test, PyTest
2mo
Save
Mark Applied
Hide
Sr Manager, Backend Engineering
Stamford or Irving
$116k-$170k/yr HybridFull Time
8+ YOE2+ Mgmt8+ years web application development; Java EE/Spring; cloud platforms (AWS preferred; Azure valued); leadership; scalable backend design.
Java EE, Spring, HTML, XML, JSON, PL/SQL, AWS, Azure
1mo
Save
Mark Applied
Hide
Senior Software Engineer (Backend)
Brooklyn or New York City
$175k-$200k/yr HybridFull Time
5+ YOE5+ years software experience building scalable systems; strong security, relational database, and software design skills; experience managing dev/staging/production infrastructure and using LLMs and modern engineering practices.
Sabre, TravelPort, Amadeus, Python, Django, Celery, Redis, Postgres, React, TypeScript, AWS, Docker, Slack, Microsoft Teams, CI/CD, LLMs
1mo
Save
Mark Applied
Hide
System Integration and Test Engineer- CWW Backend Nights
Wilton, Connecticut, United States
OnsiteFull Time
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
4w
Save
Mark Applied
Hide
Engineer
Stamford, Connecticut, United States
$70k-$75k/yr OnsiteFull Time
6+ YOEBachelor's in Computer Science, 6+ years experience, proficiency in Java/Python/JS/TS, web/backend development, databases, cloud platforms, Kubernetes, and strong communication and problem-solving skills.
Java, Python, JavaScript, TypeScript, Django, Flask, Spring Boot, SQL, NoSQL, MongoDB, Snowflake, AWS, Azure, Kubernetes
1d
Save
Mark Applied
Hide
VP, Quant Developer - Risk Analytics
New York City or Jersey City
$175k-$200k/yr OnsiteFull Time
5+ YOE5+ years of Python backend development for financial applications, agentic workflow and AI validation experience, full-system architecture expertise, and strong market and credit risk knowledge.
Python, Claude Code, Docker, Kubernetes, Azure, AWS, CI/CD, Graphical User Interface (GUI)
1mo
Save
Mark Applied
Hide
Software Engineer
New York, New York, United States
OnsiteFull Time
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
1d
Save
Mark Applied
Hide
Full Stack Engineer
United States or Canada or Brooklyn
RemoteFull Time
2+ YOERequires 2–4 years of full-stack software development experience, production systems experience, AI tool usage, and ability to build across frontend, backend, APIs, and web interfaces.
Claude Code, Cursor, Codex, LLM, Animations.Dev, Devouring Details, InterfaceCraft
1mo
Save
Mark Applied
Hide
Senior Software Engineer
United States or White Plains
$170k-$200k/yr OnsiteFull Time
5+ YOE5+ years engineering experience, strong backend ownership, product judgment, experience with Python, PostgreSQL, AWS, CI/CD, and building reliable scalable systems.
Python, PostgreSQL, AWS
3mo
Save
Mark Applied
Hide
Principal Engineer Software - Storage (Chronosphere)
Burbank or Denver or Chicago or Austin or Jacksonville or Hartford or Bridgeport or Seattle or Boston or New York City
$147k-$238k/yr RemoteAll Commitments Available
Design and build scalable backend services for high-volume telemetry data; strong backend skills; cloud infra experience; API design; mentorship.
Go, Java, Python, Rust, AWS, GCP, Azure, REST, gRPC, GraphQL
1mo
Save
Mark Applied
Hide
Staff Software Engineer
New York City or San Francisco
$232k-$258k/yr HybridFull Time
8+ YOEBachelor's in CS or equivalent, 8+ years engineering experience, strong leadership and system design skills, experience with high-scale backend systems, excellent cross-functional collaboration and problem-solving.
2mo
Save
Mark Applied
Hide
Software Engineer, Full Stack
Brooklyn, New York, United States
$150k-$190k/yr HybridFull Time
3+ YOE3+ years of data-intensive software in production; proficient in TypeScript, Python, SQL; full-stack across frontend, backend, and database; strong problem-solving; independent and collaborative.
TypeScript, Python, SQL, Agent SDK, LangGraph, Messages API
1mo
Save
Mark Applied
Hide
Senior Software Engineer
Long Island City, New York, United States
$130k/yr OnsiteFull Time
6+ YOE6+ years software development experience; backend and frontend experience; familiarity with security protocols; ability to design tests and mentor developers.
Postman, Wireshark, RealTerm, Angular, Golang, TypeScript, Delphi, C++, MySQL, Visual Studio, Eclipse, HTML, CSS, React, JavaScript, jsNode, jQuery, AJAX, Windows, Linux (Ubuntu), SQL, TLS, SSL, HTTPS
1w
Save
Mark Applied
Hide
Staff Full Stack Engineer
Santa Monica or Brooklyn or New York City or United States
$190k-$220k/yr HybridFull Time
Senior full-stack engineer with strong backend/API skills, product instincts, AI tool fluency, and experience building data-heavy services and integrations.
APIs, Python, FastAPI, React, TypeScript, React Router, Remix, PostgreSQL, SQLAlchemy, GCP
1mo
Save
Mark Applied
Hide
Senior AI Engineer
United States or New York City or Palm Beach or Los Angeles or Miami or Greenwich or Westchester County or The Hamptons or San Francisco or Manhattan
$190k-$250k/yr RemoteFull Time
4+ YOE4+ years building and operating LLM-powered production ML systems, strong Python, backend framework experience (FastAPI/Flask), LLM orchestration and retrieval design, Snowflake/dbt/Dagster/Airflow familiarity, evaluation systems, HIPAA/PHI knowledge, and strong written communication.
Python, FastAPI, Flask, Snowflake, dbt, Dagster, Airflow, vLLM, Triton, TGI, SGLang, LOINC, SNOMED CT, ICD-10, RxNorm, FHIR, HL7
4d
Save
Mark Applied
Hide
Staff Software Engineer - Confluent Kafka Storage
Poughkeepsie or Lowell or Rochester or Tucson or Research Triangle Park or Armonk or Boston or Bellevue or Atlanta or San Jose or Dallas or Austin or San Francisco or Seattle or New York City
$161k-$299k/yr HybridFull Time
10+ YOE10+ years backend/infrastructure experience; BS in CS or equivalent; expertise in Java/Scala/C/C++/Go; deep knowledge of distributed storage systems, systems-level concepts, and leadership/mentoring skills.
Java, Scala, C/C++, Go, Apache Kafka, Apache Iceberg, Apache Flink, AWS, Azure, GCP, Kora
2d
Save
Mark Applied
Hide
Senior Full Stack AI Engineer
United States or New York City or Brooklyn
$196k-$212k/yr HybridFull Time
5+ YOERequires 5+ years of software engineering experience, strong Python and JavaScript/TypeScript, React, backend APIs, distributed systems, cloud platforms, Kubernetes, and SQL/NoSQL databases.
React, TypeScript, Python, Rust, AWS, GCP, Azure, Kubernetes, SQL, NoSQL, LLMs, RAG, vector databases, CI/CD, FSA, HSA, OneMedical, Teladoc, Talkspace, EAP
1mo
Save
Mark Applied
Hide
Associate, Front Office Software Engineer
Stamford or Houston
OnsiteFull Time
2+ YOEBachelor's or Master's in CS/STEM, 2+ years software engineering experience, strong CS fundamentals, backend Python proficiency, front-end experience (React/Angular/TypeScript) preferred, cloud (AWS) and data warehousing (Snowflake) familiarity, Linux and CI/CD experience, strong communication.
Python, React, Angular, TypeScript, AWS, Snowflake, Linux/Unix, CI/CD
3mo
Save
Mark Applied
Hide
Sr Software Engineer II - Global Commercial Services
Phoenix or Sunrise or New York
$123k-$215k/yr HybridFull Time
8+ YOE8+ years in software engineering; BS in IT/CS/Software Eng; full-stack incl. mobile/web; leadership; frontend TS/React/Angular; backend Node.js/Python/Ruby/Go; mobile React Native/native; cloud services; multiple data stores; Postgres/CockroachDB; workflow/orchestration.
AWS, S3, API Gateway, SQS, ECS, RDS, CockroachDB, PostgreSQL, React, Angular, Ruby on Rails, Node.js, Python, Go, React Native, Cordova, Ionic
Explore Jobs