Java Python Developer Jobs in Westport, CT, US

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Java/Python Application Development Engineer, AVP

Jersey City or Irving

$121k-$182k/yr HybridFull Time

CitiNYSE: C: Providing global banking, investment, and wealth management services.

5+ YOE5+ years in systems analysis and programming; backend development in Java/Python; experience with distributed systems and cloud-native architectures; Docker/Kubernetes; DBMS/NoSQL; strong problem-solving and stakeholder communication.

Docker, Kubernetes, Java, Python, DBMS, NoSQL, Real-time streaming

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Lead Software Engineer -Java, Python, SQL

Houston or Jersey City

$152k-$215k/yr OnsiteFull Time

JPMorgan ChaseNYSE: JPM: Global financial firm providing banking and investment management services.

8+ YOE8+ years in software engineering; strong Java/Python and SQL; Databricks; web/API development; Oracle/SQL Server; RESTful services; AWS and Snowflake (preferred).

Java, Python, SQL, Databricks, RESTful API, Angular, EXT JS, Oracle, SQL Server, AWS, Snowflake, Hadoop, S3, Dremio, Tableau

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Lead Software Engineer - Java & Python

Jersey City, New Jersey, United States

$152k-$215k/yr OnsiteFull Time

JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.

5+ YOE5+ years software engineering; Java 21 and Python; cloud-native, CI/CD; Spring Boot, Kafka, Kubernetes; AWS; data governance; AI/ML exposure.

Java, Python, Spring Boot, Kafka, Kubernetes, Splunk, Dynatrace, AWS, Cassandra, REST APIs, CI/CD

3mo

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3mo

Full Stack Java Developer (Associate)

New York, New York, United States

$90k-$150k/yr OnsiteFull Time

Morgan StanleyNYSE: MS: Provides investment banking, wealth management, and financial services.

3+ YOE3–5 years of hands-on full stack development with Java and Angular; proficiency in Python/SQL; cloud/data/analytics experience a plus; GenAI/Copilot exposure a plus.

Java, Angular, Python, SQL, Cloud, GenAI, Copilot, Power BI

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Full Stack Java Engineer (Java/Angular) - Aladdin Engineering, Vice President

New York or Princeton or Atlanta

$162k-$215k/yr HybridFull Time

BlackRockNYSE: BLK: Provides investment management and financial technology services globally.

7+ YOE7+ years of hands-on development; Java, Python, JavaScript/TypeScript; Angular; Spring/Tomcat; databases (Relational and NoSQL); CI/CD; cloud experience.

Java, Python, JavaScript, Typescript, Angular, Spring, Tomcat, Maven, Junit, NodeJS, Express, WebPack, HTML5, CSS3, Sybase, NoSQL, AWS, Azure, GCP, CI/CD, Azure DevOps

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Lead Foreign Exchange Ai Java Software Engineer

New York or Iselin or Charlotte

$159k-$305k/yr HybridFull Time

Wells FargoNYSE: WFC: Global provider of banking, investment, and mortgage financial services.

5+ YOE5+ years software engineering; FX/electronic trading experience; Java/Python/C++; leadership and collaboration skills; experience with AI-assisted development

Java, Python, C++, FIX, LLM-based tools, MCP-based integrations

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Python/Oracle Exadata Support Engineer - 6262008

Morristown or Pennington or Jersey City

$44-$54/hr HybridFull Time

AccentureNYSE: ACN: Global provider of management consulting and technology services.

5+ YOE5+ years of application support experience; Unix/Linux, SQL; monitoring tools (Splunk, Dynatrace, ITRS Geneos); programming in Python/Java; ITIL/Remedy, ServiceNow, Jira familiarity; onsite client support.

Unix, Linux, SQL, Splunk, Dynatrace, ITRS Geneos, Python, Java, Remedy ServiceNow, Jira, Autosys, Ansible, Grafana, MongoDB, OpenShift, Cloud

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Software Engineer III - Java or Scala

Jersey City, New Jersey, United States

$103k-$180k/yr OnsiteFull Time

Bank of AmericaNYSE: BAC: Provides global banking, investment, and wealth management services.

8+ YOE8+ years in software development (Scala/Java/Python); distributed systems; REST services; Agile; CI/CD; strong problem solving; ability to mentor others.

Java, Scala, Python, REST, CI/CD, Spark

1mo

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1mo

Senior Software Engineer - Java

New York City, New York, United States

$129k-$232k/yr HybridFull Time

Squarespace: Software platform for building websites and managing online businesses.

7+ YOE7+ years backend experience in Java, Python, or similar; large-scale distributed systems; CS degree or equivalent experience; strong CS fundamentals; collaborative work style.

Java, Python, C

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Senior Lead Data Engineer (Enterprise Platform Technology) (Java, Python, Scala, AWS)

McLean or New York

$230k-$286k/yr OnsiteFull Time

Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.

6+ YOE6+ years in application development; 2+ years in big data; 1+ year cloud (AWS/Azure/Google).

Java, Python, Scala, AWS, Redshift, Snowflake, Hadoop, Kafka, Spark, MongoDB, Cassandra, Unix, Linux, SQL, NoSQL, Gurobi

1mo

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1mo

Software Engineer - Reference Data (Java/SQL)

New York, New York, United States

$175k-$200k/yr OnsiteFull Time

Virtu FinancialNYSE: VIRT: Provides liquidity and trading technology to global financial markets.

5+ YOE5+ years in enterprise distributed systems; Java and SQL expertise; interest in trading/financial markets.

Java, SQL, Oracle RDBMS, Python, HBase, Hadoop, Linux, SVN, Git

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Software Engineer, Backend Java

New York City, New York, United States

$117k-$173k/yr HybridFull Time

PayPalNASDAQ: PYPL: Digital platform for sending money and processing online payments.

1+ YOE1+ years of backend development experience; Bachelor's degree or equivalent.

Java, Python, Ruby on Rails, Java EE, Spring MVC, Hibernate, REST, OAuth, JSON, ORM, SQL, NoSQL, AWS, GCP, Azure

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Investment Compliance Engineer

New York, New York, United States

$190k-$250k/yr OnsiteFull Time

Apollo Global ManagementNYSE: APO: Global alternative asset manager providing investment and retirement solutions.

10+ YOE10+ years in development, strong Python/Java/C++, cloud, data, compliance domain knowledge in capital markets.

Python, Java, C++, SQL, NoSQL, AWS, Azure, Google Cloud, Kafka, Docker, Kubernetes, Git, GitHub, Jenkins, Copilot, Cursor, Model Context Protocol, SQL/NoSQL databases

2mo

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2mo

Senior Software Engineer (Product)

New York or Vancouver

$150k-$250k/yr OnsiteFull Time

Owl.co: AI-powered decision intelligence platform for insurance claims processing.

5+ YOE5+ years in software development; bachelor's in CS; Python/Java; modern web frameworks; strong problem-solving and collaboration.

Python, Java, AWS, Azure, Microservices, APIs, Modern Web Frameworks

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Backend Software Developer

Greenwich, Connecticut, United States

HybridFull Time

Interactive BrokersNasdaq: IBKR: Provides an automated global brokerage platform for financial trading.

4+ YOEBachelor's degree in computer science or related field; 4+ years in backend development with Java; experience with Spring, Oracle, REST, Python; financial services experience preferred.

Java, Spring, Spring Boot, JDBC, Oracle, PL/SQL, REST, JMS, ActiveMQ, Git, Python, Shell Scripting

1mo

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1mo

Senior Software Engineer, Fullstack

New York, New York, United States

$176k-$215k/yr OnsiteFull Time

CLEARNYSE: YOU: Provides biometric identity verification for secure travel and access.

6+ YOE6+ years of software development in Java and Python; cloud-based app development; AWS; Docker; Kubernetes; GitHub; Argo; strong communication and mentorship.

Java, Python, React, Typescript, AWS, Docker, Kubernetes, GitHub, Argo

2mo

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2mo

Backend Engineer - Platform Developer Experience

New York, New York, United States

$133k-$190k/yr RemoteAll Commitments Available

SpotifyNYSE: SPOT: Provides digital music, podcast, and audiobook streaming services worldwide.

3+ YOE3+ years backend experience; strong Java and Python; experience with distributed systems; polyglot environment including Node.js.

Java, Python, Node.js, LLM tooling

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Staff Quantitative Developer

New York, New York, United States

$179k-$243k/yr OnsiteFull Time

Clearwater AnalyticsNYSE: CWAN: Automated investment accounting and reporting software for institutional investors.

9+ YOE9+ years in quantitative development in financial services; strong Python; experience with C++/Java; knowledge of fixed income, credit, derivatives risk analytics; distributed systems on public cloud; proven technical leadership.

Python, C++, Java, AWS, Azure, GCP, Distributed systems, Microservices

2mo

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2mo

Software Engineer II - Active Support

New York, New York, United States

$165k-$200k/yr HybridFull Time

StubHubNew York Stock Exchange: STUB: Operates a global online marketplace for buying and selling tickets.

2+ YOE2-4 years software development; Java/Python/Go/C#; AI experience with OpenAI/Claude; product-minded; efficient, user-focused.

Java, Python, Go, C#, OpenAI, Claude, ChatGPT, LLM

1mo

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1mo

Risk Developer

New York or London

HybridFull Time

ExodusPoint: Global multi-strategy hedge fund managing institutional investment portfolios.

BS in CS or related engineering; strong data structures/algorithms; multi-threading; SQL; programming in Python/Java; fast-paced; team player.

Python, Pandas, Java, Spring, SpringBoot, Microservices, SQL, NoSQL, AWS, Linux, CI/CD

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Senior Software Engineer II, Developer Experience

New York or San Francisco or Santa Clara

$213k-$250k/yr HybridFull Time

Carta: Software platform for cap table management and fund administration.

8+ YOE8+ years in platform, backend, or fullstack engineering; production LLM experience; API and developer ergonomics focus; Python or Java; CI/CD tooling; cloud-native stack; security-minded.

Python, Java, CI/CD tooling, GitHub Actions, CircleCI, ArgoCD, Jenkins, Docker, AWS, Terraform, Kubernetes, Vault, Cloudsmith

1mo

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1mo

Senior Software Engineer, Product

New York or San Francisco or Seattle

$192k-$240k/yr HybridFull Time

Brex: Corporate cards and spend management software for businesses.

7+ YOE7+ years of experience designing, developing, and deploying full-stack applications; scalable backend; SQL/NoSQL; Java/Kotlin/Python; high standards; strong communication.

Java, Kotlin, Python, SQL, NoSQL

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Software Engineer, Video Input/Output Systems

New York, New York, United States

$160k-$185k/yr HybridFull Time

FuboNYSE: FUBO: Live TV streaming platform with a focus on sports.

3+ YOE3+ years backend software development; Go, Python, or Java; distributed systems; REST APIs; cloud (GCP/AWS); Kubernetes; observability.

Go, Python, Java, REST, SQL, Kubernetes, Terraform, Prometheus, Grafana, AWS, GCP

1mo

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1mo

App Dev & Database Engineer

New York City, New York, United States

$132k-$145k/yr OnsiteFull Time

Metropolitan Transportation Authority: Operates public transportation systems in the New York region.

10+ YOEBachelor’s degree in computer science or related field; 10+ years in application development and database administration; strong SQL/NoSQL, Java/C++/Python; APIs; cloud platforms; security.

SQL Server, Oracle, MongoDB, Java, C++, Python, APIs, Cloud (Azure, AWS), Containerization, Security Best Practices

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Lead Software Engineer

New York or Holmdel or Bethlehem or Boston

$119k-$195k/yr HybridFull Time

Guardian Life: Provides life, disability, dental, and vision insurance products.

10+ YOELead API-focused software engineer with 10+ years of distributed systems experience; strong Java, Node.js, .NET or Python API development and cloud/DevOps tooling.

Java, Spring Boot, Node.js, .NET, Python, React, Angular, TypeScript, Microservices, EIP, Event-Driven Architecture, OpenAPI, Swagger, OpenAPI/Swagger, OAuth 2.0, JWT, CI/CD, Bitbucket, Jenkins, AWS, GitHub, REST, GraphQL, gRPC, SOAP, Async/API-driven, Docker, Kubernetes, Helm, AWS S3, Lambda, Kafka, SQS, SNS, Redis, Prometheus, Grafana, OpenTelemetry, Splunk, OpenAPI, Swagger, SQL, NoSQL

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Senior Software Engineer II

New York City, New York, United States

$176k-$196k/yr OnsiteFull Time

CompassNYSE: COMP: Technology-enabled residential real estate brokerage and agent software platform.

7+ YOE7+ years in software development with Java, Go, or Python; microservices; AWS; Kafka; gRPC/Thrift; Agile/Scrum; strong communication.

Java, Go, Python, gRPC, Thrift, Kafka, AWS

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GenAI Engineer - Senior Associate - 68644791

Dallas or New York

$65k-$90k/yr OnsiteFull Time

CognizantNASDAQ: CTSH: Provides IT consulting and technology services to global enterprises.

5+ YOE5+ years in software development with Python/Java/C/C++/Go; experience with GenAI, LLMs, tool integration, and cloud services; on-site in Dallas or New York.

Python, Java, C/C++, Go, AWS, Terraform, CloudFormation, SageMaker, OpenAI API

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Software Engineer III, Full Stack

New York, New York, United States

$147k-$211k/yr OnsiteFull Time

GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.

2+ YOEBachelor's degree or equivalent; 2 years in C++, Python, or Java; 2 years in JavaScript/TypeScript; 2 years in front-end/full-stack/API development.

C++, Python, Java, JavaScript, TypeScript, Front-end frameworks, APIs

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Volatility Trading Developer

New York, New York, United States

$125k-$150k/yr OnsiteFull Time

Walleye Capital: Multi-strategy investment firm specializing in quantitative and volatility strategies.

Bachelor’s in quantitative field; strong Python/Java/C++; SQL familiarity; problem-solving; trader-focused mindset.

Python, Java, C++, SQL

1mo

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1mo

Staff Engineer

New York City, New York, United States

$146k-$272k/yr HybridFull Time

Warner Bros. DiscoveryNasdaq: WBD: Produces and distributes multimedia entertainment content and news worldwide.

8+ YOE8+ years in software engineering; Java/Scala/Python; cloud platforms; AdTech; API-first; data processing.

Java, Scala, Python, AWS, GCP, Azure, Spark, Kafka, SQL, NoSQL

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Software Engineer II

Seattle or New York City or Glendale

$123k-$165k/yr HybridFull Time

The Walt Disney CompanyNYSE: DIS: Produces media content and operates global theme parks.

3+ YOE3+ years software development; proficient in Golang, TypeScript, Python, Java, C++, Rust; experience with React/Angular; Git, CI/CD; Kubernetes/Terraform; strong problem-solving.

Golang, TypeScript, Python, Java, C++, Rust, React, Angular, Git, CI/CD, Kubernetes, Terraform, CloudFormation, Datadog, Splunk, New Relic, Databricks, Snowflake, MySQL, PostgreSQL

2mo

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2mo

C++ Developer – AVP

New York, New York, United States

$120k-$175k/yr OnsiteFull Time

BarclaysLondon Stock Exchange: BARC: Provides global banking, investment, and wealth management services.

Experience in C++ development, low-latency systems, multithreading, trading systems, and backend Java; strong emphasis on secure coding and testing.

C++, Java, Python, Shell

2mo

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2mo

Software Engineer, Video Platforms

New York, New York, United States

$105k-$140k/yr RemoteFull Time

VersantNasdaq: VSNT: Operates cable television networks and digital media entertainment platforms.

3+ YOE3+ years software development; backend in Java, Node.js, Python, or Go; frontend in React/Vue/Angular; microservices, REST APIs; cloud (AWS/Azure); Git/CI/CD; problem-solving and teamwork.

Java, Node.js, Python, Go, JavaScript, TypeScript, HTML, CSS, React, Vue, Angular, REST, AWS, Azure, Git, CI/CD

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Senior Backend Software Engineer - Application Development

New York, New York, United States

$135k-$200k/yr HybridFull Time

PalantirNasdaq: PLTR: Developing software platforms for data integration and analytics.

6+ YOE6+ years backend development; API design; distributed systems; CS/Math/Engineering background; proficient in Java/C++/Python/Rust/Go; strong communication.

Java, C++, Python, Rust, Go, Kafka, Cassandra, Elasticsearch, Spark, Docker, Kubernetes, Gradle, GitHub

1mo

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1mo

Software Engineer - 2027 New Grads

New York, New York, United States

$150k-$200k/yr HybridFull Time

Ellipsis Labs: Develops decentralized finance protocols and high-performance blockchain infrastructure.

Hands-on software development experience in TS/JS, Python, Rust, Java, or C/C++; strong CS fundamentals; Git and debugging; business context aware; curiosity about DeFi/crypto.

TypeScript, JavaScript, Python, Rust, Java, C/C++, Git, Docker, CI/CD

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Senior Software Engineer

New York, New York, United States

$245k-$360k/yr OnsiteFull Time

Rokt: Provides AI-driven personalization for ecommerce transaction checkouts.

3+ YOE3-5+ years of commercial software development; strong in Java, C#, Python, JavaScript, or Go; cloud platforms (AWS/GCP/Azure) and Kubernetes; AI fluency; strong problem solving, communication, and ownership.

Java, C#, Python, JavaScript, Go, AWS, GCP, Azure, Kubernetes

3mo

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3mo

Cloud/C#/AI Developer (NY, New York)

New York, New York, United States

$150k-$175k/yr HybridFull Time

Reliant Safety: Provides security and property management technology for residential buildings.

2+ YOE2+ years of development; strong C#, Python, Java; cloud design/deployments (GCP/AWS); AI/ML experience; ML ops; security and APIs.

C#, Python, Java, Google Cloud Platform, AWS, TensorFlow, PyTorch, Vertex AI, SageMaker, CI/CD, MLOps, edge computing, REST APIs, security best practices

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Software Development Engineer 2

Bellevue or New York

$105k-$120k/yr HybridFull Time

iSpot.tv: Provides real-time measurement and analytics for TV advertising.

2+ YOEBachelor's degree; 2–4 years data/software engineering; Python or Java; SQL and AWS data stack experience.

Python, Java, MySQL, Snowflake, AWS, S3, Redshift, Glue, Iceberg, Jupyter Notebooks, Kiro

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AI Junior / Intermediate Developer - HYBRID (New York, NY, US)

New York, New York, United States

$105k-$219k/yr HybridFull Time

NTT DATA: Global provider of IT and business consulting services.

2+ YOE2+ years building or integrating AI tools; proficient in Python, TS/Node.js, Go, or Java; 2+ years with PoC environments and developer tooling; Git/CI-CD experience.

Python, TypeScript, Node.js, Go, Java, Docker, Kubernetes, Git, CI/CD