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640 senior java python developer jobs at 238 companies in Fairfield, CT

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AVP Senior Java Developer
Rutherford, New Jersey, United States
$121k-$182k/yr HybridFull Time
Citi
CitiNYSE: C: Providing global banking, investment, and wealth management services.
8+ YOE8+ years Java experience, bachelor\u0002s degree or equivalent, experience with Java/Spring/REST, SQL/NoSQL, cloud and CI/CD, leadership and mentoring skills.
Java, Spring, REST API, SQL, NoSQL, Big Data, Co-pilot, DEVIN, Python, Docker, Kubernetes, Jenkins, GitLab CI, Azure DevOps, Prometheus, Grafana, ELK stack (Elasticsearch, Logstash, Kibana), Splunk
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1mo
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Senior Java Developer - Rates Derivatives Algo & E-Trading
New York, New York, United States
$155k-$215k/yr OnsiteFull Time
Morgan Stanley
Morgan StanleyNYSE: MS: Provides global investment banking, wealth management, and advisory services.
10+ YOEBachelor's degree or equivalent experience; 10+ years software development; strong Core Java (JDK 21+ beneficial); OOP and legacy system experience; Fixed Income/Swaps and eTrading/algo exposure preferred; familiarity with AI tools beneficial.
Java, JDK 21, AMP/Claude Code, Python, Scala, Tradeweb, Bloomberg
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Senior Software Developer - Python
Chicago or Greenwich
$200k-$250k/yr HybridFull Time
Interactive Brokers
Interactive BrokersNASDAQ: IBKR: Automated global electronic brokerage and trading services provider.
5+ YOE5+ years software engineering experience (Python/C++/Java), 3+ years Python as primary language, experience with Polars/Pandas/NumPy, Linux (1-3 yrs), SQL and large codebases; Bachelor's degree in CS or related.
Python, C++, Java, Polars, Pandas, NumPy, Linux, SQL
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Sr Java Developer
New York City, New York, United States
$130k-$150k/yr HybridFull Time
EXL
EXLNASDAQ: EXLS: Provides data analytics and digital operations solutions to businesses.
9+ YOEStrong Java and Spring Boot development, Kafka event-driven pipelines, Oracle/SQL, REST API development, Docker, JSON/XML; MongoDB and MSK are plus.
Java, Spring Boot, Apache Kafka, MSK, Oracle, SQL, REST APIs, JSON, XML, Docker, MongoDB, Python, Shell Scripting
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3w
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Lead Software Engineer - AI, Python/Java
Plano or Jersey City
$152k-$215k/yr OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
5+ YOE5+ years software engineering experience with Python and Java, ML/LLM model integration, multi-cloud (AWS/Azure/GCP), observability, big-data pipelines, and automation/orchestration skills.
Python, Java, Amazon Web Services (AWS), Microsoft Azure, Google Cloud Platform (GCP), Snowflake, OpenTelemetry, Prometheus, Dynatrace, ServiceNow, Jira Service Management, React, LLM
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Java Full Stack Senior Developer/Architect (Atlanta, GA, US)
Atlanta or Dallas or Nashville or Chicago or New York City
$82k-$193k/yr HybridFull Time
Capgemini
CapgeminiEuronext Paris: CAP: Provides global IT consulting and digital transformation services.
Deep expertise in Java, Spring Boot, microservices, cloud (AWS/GCP/Azure), frontend frameworks (Angular/React), databases, event-driven architectures, CI/CD, Docker/Kubernetes, Python, and GenAI/LLMs; architecture and mentoring experience.
Java, Spring Boot, Microservices, AWS, GCP, Azure, Kafka, RabbitMQ, Oracle, Postgres, MongoDB, Redis, SQL, Python, Angular, React, HTML, CSS, JavaScript, REST, GraphQL, JSON, CI/CD, Git, Docker, Kubernetes, Generative AI, LLMs
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2mo
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Java Full Stack Developer
New York, New York, United States
$80k-$158k/yr OnsiteFull Time
Wipro
WiproNYSE: WIT: Global technology services and consulting for digital transformation.
8+ YOE8+ years software development experience, 2+ years private markets/asset management preferred. Strong Java, Python, TypeScript/JavaScript, SQL skills; experience with Angular/React, Node, Spring Boot, JPA/Hibernate, MyBatis, Redis, Postgres/SQL Server/MongoDB/Elasticsearch, Kafka, CI/CD, containers and IaC (Kubernetes, Docker, Terraform).
Java, Python, TypeScript, JavaScript, SQL, Angular, React, Node, Spring Boot, JPA, Hibernate, MyBatis, Redis, Postgres, SQL Server, MongoDB, Elasticsearch, GitHub, GitLab, CI/CD, Kafka, GitHub Copilot, Claude Code, Cursor, Codeium, Kubernetes, Docker, Terraform, eFront, Dynamo
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2mo
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Senior AI Engineer
Plano or Purchase or Chicago
$111k-$185k/yr HybridFull Time
PepsiCo
PepsiCoNASDAQ: PEP: Global manufacturer and distributor of snacks and beverages.
8+ YOESenior AI Engineer with 8+ years in software lifecycle, ML/AI, and production-grade agent systems; strong Python/Java, distributed systems, and ML Ops experience.
Python, Java, FastAPI, asyncio, Pydantic, LangChain, LangGraph, CrewAI, MLflow, Arise, Docker, Kubernetes, Ray, Kafka, gRPC, Redis, Prometheus, OpenTelemetry, Grafana, Temporal, MEM0, Temporal Agentic Memory, Graph and Vector DBs
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2mo
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Senior Software Engineer - Connectivity Gateway
New York, New York, United States
OnsiteFull Time
Bloomberg
Bloomberg: Delivers financial data, news, and software to global markets.
4+ YOE4+ years in distributed systems/networking; proficiency in C, C++, Go, Java, or Python; strong debugging, communication; degree in CS/Engineering/Math.
C, C++, Go, Java, Python, Envoy
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2mo
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Senior Lead Software Engineer, Distributed Systems (Golang + Python on Kubernetes)
San Francisco or Cambridge or McLean or New York or San Jose
$230k-$286k/yr HybridFull Time
Capital One
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
6+ YOE1+ MgmtBachelor’s degree; 6+ years software engineering; 1+ year cloud experience; 9+ years in Python/Golang/Node.js; 4+ years cloud services; 4+ years open source frameworks; 2+ years Kubernetes; 1+ year people management; 2+ years ML platform experience
Golang, Python, JavaScript, Java, TypeScript, SQL, HTML, CSS, Docker, Kubernetes, AWS, GCP, Azure, NoSQL, RDBMS
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2mo
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Senior Engineer
New York, New York, United States
$136k-$175k/yr OnsiteFull Time
TP ICAP
TP ICAPLondon Stock Exchange: TCAP: Provides market infrastructure and data solutions for financial markets.
Senior engineer with strong programming, Unix/Linux/Windows development, and secure coding practices; mentor and collaborate across teams.
C#, Java, C++, Unix, Linux, Windows, Microsoft Visual Studio, Oracle, MongoDB, RabbitMQ, Kafka, Solace, Jira, CI/CD, Git, Python, AWS, Docker
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1w
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Senior RAD Developer
New York City, New York, United States
$170k-$230k/yr OnsiteFull Time
Barclays
BarclaysLondon Stock Exchange: BARC: Global bank providing retail, corporate, and investment financial services.
Considerable enterprise development experience in C++, Java, C#, Python; TDD and SQL experience; Excel VBA and DLL interfacing; strong analytical, risk-awareness, and stakeholder collaboration skills.
C++, Java, C#, TDD, Python, Excel VBA, DLLs, SQL DDL, SQL DML
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2mo
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Senior Software Engineer II
New York, New York, United States
$197k-$232k/yr RemoteFull Time
Confluent
ConfluentNASDAQ: CFLT: Provides a platform for real-time data streaming and processing.
7+ YOE7+ years of backend systems experience; strong in Java/Go/C/C++/Python; cloud (AWS/GCP/Azure); distributed systems; microservices; on-call; leadership experience.
Java, Go, C/C++, Python, Docker, Kubernetes, AWS, GCP, Azure
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2mo
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Delivery Excellence - Tech Enablement - Senior Developer - Manager
New York or Tampa or Atlanta or Chicago or Washington or Dallas or Los Angeles or Miami or Boston or San Diego or San Francisco or Silicon Valley or Philadelphia or Seattle
$99k-$232k/yr OnsiteFull Time
PwC
PwC: Providing audit, tax, and management consulting services to businesses.
4+ YOE2+ MgmtBachelor's degree; 4+ years in software engineering; strong Java, Python, C++, and JavaScript; experience leading teams; API management; CI/CD; ATDD a plus.
Java, Python, C++, JavaScript, APIs, CI/CD, Application frameworks, Software testing
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1mo
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Senior Software Developer
New York, New York, United States
OnsiteFull Time
Qvell
Qvell: AI-driven platform for personalized learning and skill development.
5+ YOE5+ years professional software development experience; strong proficiency in Java, C#, Python, or JavaScript; experience with web frameworks, RESTful API design, data structures, algorithms, and Git. BS in CS/Engineering required.
Java, C#, Python, JavaScript, Git, RESTful API
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2mo
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Senior Software Engineer - News Engineering (Elasticsearch)
New York or St. Louis
$114k-$190k/yr HybridFull Time
London Stock Exchange Group
London Stock Exchange GroupLondon Stock Exchange: LSEG: Provides financial market infrastructure and global data analytics services.
Strong experience with Java and Python on Linux; real-time systems; IP-based protocols; unit testing; Elasticsearch; cloud infrastructure; container orchestration; strong problem-solving and independent communication.
Java, Python, Linux, Elasticsearch, Kubernetes, Terraform, GitLab CI/CD, GitHub Copilot
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Senior Software Engineer
Aventura or New York City
$176k-$196k/yr OnsiteFull Time
Compass
CompassNYSE: COMP: Technology-enabled residential real estate brokerage and agent software platform.
7+ YOEBS in CS or equivalent experience,7+ years software development,experience with Go/Java,Python or NodeJS,gRPC/Thrift,Kafka,AWS,microservices,CI/CD,tested scalable systems.
Go, Java, Python, NodeJS, gRPC, Thrift, Kafka, AWS, AWS Connect, Twilio Flex, Genesys, Salesforce, HubSpot, LangChain, LlamaIndex, AutoGen, OpenAI, Anthropic, AWS Bedrock, Amazon Pinpoint, Sinch
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Senior Software Engineer
Redmond or New York
$120k-$235k/yr HybridFull Time
Microsoft
MicrosoftNASDAQ: MSFT: Develops software, services, devices, and cloud computing solutions.
4+ YOEBachelor's in CS or related (or equivalent), 4+ years engineering experience; proficiency in C/C++/C#/Java/JavaScript/Python; experience with Windows/.NET development, CI/CD, telemetry, and performance optimization.
C, C++, C#, Java, JavaScript, Python, .NET, Win32 API, WinUI3, UWP, CI/CD
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2mo
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Senior Security Engineer
New York, New York, United States
$130k-$160k/yr OnsiteFull Time
CertiK
CertiK: Provides security audits and monitoring for blockchain and smart contracts.
Lead design and deployment of enterprise security solutions; threat modeling; vulnerability lifecycle; security assessments; cloud environments; Java/Python.
AWS, Azure, GCP, Java, Python, CI/CD, STRIDE, DREAD, SSDLC
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2mo
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Senior Software Engineer I, Data Enablement
Brooklyn, New York, United States
$164k-$193k/yr HybridFull Time
Etsy
EtsyNASDAQ: ETSY: Connects buyers and sellers of unique and creative goods.
Experience building data/ML platform integrations; strong software engineering skills in Java/Scala/Python/SQL; experience with Spark, Kafka, Airflow, and cloud services.
Scala, Python, Java, SQL, Spark, Kafka, Airflow, Looker, BigQuery, Google Cloud Platform, GCP
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