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Java Python Developer Jobs in Greenwich, CT, US
830+ java python developer jobs from 240+ companies hiring in Greenwich, CT, US.
3w
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Solution Architect - Forward Deployment Engineer (210240)
Jersey City, New Jersey, United States
OnsiteFull Time
7+ YOE7+ years software engineering; backend skills; GenAI/LLM integration; production delivery; autonomous work style; customer-facing skills; cross-disciplinary background.
Python, Java, Node.js, GenAI, LLM
10h
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Technical Team Lead, Institutional Services
New York, New York, United States
$120k-$148k/yr HybridFull Time
7+ YOE1+ Mgmt7+ years of hands-on development; 1+ year people management; leadership, mentoring, communication; Proficient in Python, SQL, Node.js, React; experience with DevOps and system design.
Python, Java, XML, React, Node.js, Next.js, SQL, MySQL, PostgreSQL, Git, GitHub Actions, TravisCI, ElasticSearch, Solr, CI/CD
2mo
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Senior Digital Engineer / Senior Application Analyst
Elmsford, New York, United States
$116k-$145k/yr OnsiteFull Time
3+ YOEBachelor’s degree and 3–5 years in healthcare IT; strong API, web tech, and Epic/non-Epic experience; Epic certification preferred.
APIs, Interoperability (HL7, CDA, FHIR, XDS.b), HTML, CSS, JavaScript, Java, .NET, Python, Database querying, Certificate management, Monitoring, Logging, Web services, Epic platforms, HL7, FHIR, CDA, XDS.b
1mo
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Quantitative Researcher – HFT Futures/Equities
Austin or Chicago or New York
OnsiteFull Time
2+ YOE2+ years of quantitative research on futures/equities; proven profitable trading strategies; computationally intensive research; BS/MS/PhD in a quantitative/technical field; programming in C++, C, Python, Java.
C++, C, Python, Java
1mo
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Technical Pre-Sales Prototyper / Forward Deployment Engineer
New York or United States
$130k-$150k/yr HybridFull Time
3+ YOE3-5+ years post-college experience; strong prototyping and technical hacking; B2B SaaS background; excellent communication; travel up to 25%.
Python, Java, C++, TypeScript, JavaScript, APIs, Cloud, Data pipelines, Front-end frameworks, Node.js
1mo
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Software Engineering Advisor - Hybrid
Raleigh or Austin or Bloomfield or Denver or Bloomington or Morris Plains or Plano
$112k-$186k/yr HybridFull Time
8+ YOE8+ years in software automation testing; 3+ years in Agile; automation tools Selenium, Cucumber, Java, Cypress, Robot Framework (Python); OO programming; relational databases; GitHub; strong communication.
Selenium, Cucumber, Java, Cypress, Robot Framework (Python), GitHub, Object-Oriented Programming, Relational Databases, JavaScript, TypeScript, AWS, DynamoDB, S3, Lambda, Pega
1w
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Sr. Spclst , Software Engineering
West Point or Rahway
$117k-$184k/yr HybridFull Time
5+ YOEBachelor's in IT/CS or related tech field; 5+ years software development; Python proficiency; REST APIs; GitHub/automation tools; SQL; Agile workflows; regulatory compliance; cloud platforms; experience with LIMS/ELN and sample management domain.
Python, JavaScript, Java, C#, GitHub, Robot Framework, XRay, REST, SQL, Jira, AWS, Azure, GCP, CloudFormation, Terraform, CI/CD
3mo
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Principal Software Engineering Architect, Information Security
Reston or Chicago or Greenwood Village or Boca Raton or New York or White Plains
$169k-$281k/yr HybridFull Time
10+ YOE10+ years in software development, architecture, and DevOps; cloud-native and hybrid security solutions; IaC tools; strong Python/Go/Java/C#/C++; security SDLC; analytics and telemetry.
AWS, Azure, GCP, Terraform, CloudFormation, Harness, Python, Go, Java, C++, C#, Power BI, ElasticSearch, Snowflake, Kafka, AirFlow
1mo
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Summer Intern, QA Engineering
New York, New York, United States
$20/hr OnsiteInternship
Internship for current juniors/seniors; 9 weeks, full-time in NY; strong JS/TS/Java; familiarity with test automation frameworks; API testing; Git and Python knowledge; good communication and collaboration.
Playwright, Cypress, Selenium, Postman, REST Assured, Jira, Git, Python
6d
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Director, AI Engineering--Clinical Development and Operations (CD&O)
New York City, New York, United States
$177k-$294k/yr HybridFull Time
5+ YOEPhD or Master’s with several years of applied AI/ML experience in regulated environments; strong Python/ML tooling; production-grade AI systems; hybrid on-site role in NYC.
Python, TensorFlow, PyTorch, Keras, Scikit-learn, LangChain, LangGraph, Vertex AI, Claude, Java, JavaScript, TypeScript, React, FastAPI, SQL, PostgreSQL, Snowflake, S3, BigQuery, Neo4j, AWS, GCP, Azure
2mo
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Senior Electronic Algorithmic Trading Quantitative Analyst
New York, New York, United States
$234k-$251k/yr OnsiteFull Time
2+ YOESenior level experience in algorithmic trading, quantitative research, data analysis, and software development; strong Java and Python; knowledge of market microstructure; experience with low-latency strategies; degree in CS/Math/Engineering.
Java, Python, SQL, KDB, Onetick, Tableau, Power BI
1mo
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Software Development Manager
Austin or Chicago or New York or Old Greenwich
$150k-$250k/yr OnsiteFull Time
10+ YOE10+ MgmtSenior software engineering manager in financial domain; 10+ years leadership; strong C++, Java, or Python; ability to translate complex concepts into actionable tasks.
C++, Java, Python
2mo
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Technology Leader
New York, New York, United States
OnsiteFull Time
10+ YOE5+ Mgmt10+ years in software development; leadership experience preferred; Bachelor's in CS or Engineering or related field; cloud, architectures, and leadership skills.
Python, Java, JavaScript/TypeScript, Go, AWS, Azure, GCP, SQL, NoSQL, APIs, CI/CD, DevOps
1mo
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Advisory Analyst, Technology Transaction - Software: Experienced Consultant
Chicago or Boston or Dallas or Los Angeles or Minneapolis or New York or San Francisco or Seattle
$88k-$120k/yr HybridFull Time
2+ YOEBachelor’s degree or equivalent; 2-4+ years software development experience; strong SDLC, OO design (C#, Java, Python); Agile/Lean; ability to lead requirements; travel 20-30%; hybrid in US offices; authorized to work in the US without sponsorship
C#, Java, Python, SDLC, Agile, Agentic AI/LLMs
1mo
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Machine Learning User Research Scientist (Ph.D. required)
New York, New York, United States
$130k-$135k/yr OnsiteFull Time
Ph.D. required; ML user research; data collection and analysis; Python/ MATLAB; travel up to 40%; strong communication.
Python, Java, MATLAB
1w
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Engineering Manager, Data Cloud
United States or Canada or New York City
$150k-$240k/yr RemoteFull Time
5+ YOEExperience leading 5–10 engineers in data infrastructure or backend systems; strong software/data engineering background; coaching and cross-functional leadership; interest in cryptocurrency.
Apache Flink, Kafka, Databricks, Delta Lake, Iceberg, DBT, Terraform, AWS, S3, EC2, EKS, IAM, Kubernetes, Helm, GitHub Actions, Datadog, PagerDuty, Claude Code, GitHub Copilot, Java, Python, SQL, HCL
2mo
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Software Engagement Manager - Engine Practice, North America - copy
New York, New York, United States
$160k-$180k/yr OnsiteFull Time
5+ YOE5+ years in software delivery or engagement management; strong client-facing; manage distributed teams; experience with software architecture and pre-sales; digital solutions in Financial Services/Consumer/B2B preferred.
Java, Python, APIs, Cloud
3w
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Software Engineering Intern
Woodbridge, New Jersey, United States
$35-$40/hr OnsiteAll Commitments Available
Pursuing CS/Software Eng; proficient in at least one language; basic software dev principles; strong problem-solving; familiar with web tech and cloud; AI exposure a plus.
Python, Java, C#, JavaScript, React, Angular, SQL, PostgreSQL, MongoDB, Git, AWS, Azure, Generative AI
1mo
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Director, Back-End Engineering
New York, New York, United States
$135k-$217k/yr HybridFull Time
Extensive backend/platform engineering in multi-cloud, API-driven design, microservices, and AdTech/MarTech integration; leadership of complex initiatives; AI/ML backend enablement; security and observability.
Python, Java, Scala, AWS, Azure, GCP, REST, API, Microservices, Kubernetes, Docker
22h
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2026 Fall Software Engineering Internship, US
San Francisco or New York City or Seattle or Sunnyvale
$52/hr OnsiteInternship
0+ YOEPursuing Bachelor’s or Master’s in CS/Engineering; graduating 2026–2027; strong programming skills; internship experience or equivalent preferred; interested in building scalable software.
Go, Python, Ruby, Java, C/C++
2w
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Director Product Development
Secaucus, New Jersey, United States
$153k-$256k/yr OnsiteFull Time
10+ YOE10+ Mgmt10+ years managing technical staff; 8+ years software development; BS in CS; 5+ years with 3rd party/offshore teams; cloud, microservices, DevOps, Agile; strong leadership and communication.
Java, Python, .Net, JavaScript, Angular, Typescript, Cloud, Kubernetes, Docker, Helm, Git, Azure DevOps, Terraform, Ansible, SonarQube
1mo
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Scientist III/IV: Purification Assessment and Analytics, Biotherapeutics (Ridgefield, CT, United States, Connecticut)
Ridgefield, Connecticut, United States
$90k-$147k/yr OnsiteFull Time
3+ YOEExperience with protein purification and analytics; advanced degree with relevant experience; strong data analysis and automation skills.
MATLAB, Python, SQL, R, Minitab, JMP, Statistica, Java, HPLC, CGE, DLS, SDS-PAGE
5d
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Enterprise Data Architect
New York City, New York, United States
$165k-$185k/yr OnsiteFull Time
5+ YOEDesign, develop, and govern enterprise data architecture; strong governance, cloud/on-prem, security, and analytics experience.
Databricks, Azure Data Factory, Data Lakes, AWS, Azure, GCP, Java, Python, C#, JavaScript, DevOps, CI/CD, SDLC
1mo
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Summer Internship 2026 - IT Intern (Automation) (143409)
New York City, New York, United States
$17/hr OnsiteInternship, Full Time
enrolled in a Bachelor's or Master's program in CS/IT/IS/Data Science or related field; IT foundation in OS, networking, or software development; interest in automation (Microsoft Power Platform, UiPath); English proficiency; German a plus.
Microsoft Power Platform, UiPath, APIs, Python, Java, JavaScript, PowerShell
HiringCafe market data
Java Python Developer Jobs market signals in Greenwich, CT, US
These signals come from live HiringCafe job inventory, not a static article. Use them to compare the market, then open listings above to apply directly.
Open jobs
830+
Hiring companies
240+
Fresh sample
32% new in 30d
Salary visibility
84% show pay
Companies appearing in this market
West MonroeOptiverTransUnionAmdocsBessemer TrustBoehringer IngelheimChainalysisDiligent
Work location mix in visible results
Onsite: 17Hybrid: 13Remote: 1