Senior Python Developer Jobs in Colonia, NJ, US

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Senior Python/AI Engineer Engineer - Finance - Assistant Vice President

Rutherford, New Jersey, United States

$121k-$182k/yr HybridFull Time

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

Senior Python developer with risk analytics experience, CI/CD, Agile, and TDD; Capital Markets experience preferred.

Python, Java, Git, JIRA, Jenkins, SonarQube, Oracle SQL Developer, Linux, Unix, VisualVM, Lightweight build tools (Lightspeed, Artifactory), VSCode, IntelliJ, Spring Framework, MongoDB, CI/CD, Git/Bitbucket

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Senior Python Programmer

Princeton, New Jersey, United States

$40k-$80k/yr HybridFull Time

SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.

7+ YOESenior Python programmer with 7+ years in systems engineering or web development; expert in Python; HPC/GPU experience; ability to obtain Public Trust.

Python, Git, GPU programming, HPC

2mo

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2mo

Python Software Engineer

New York, New York, United States

$70-$90/hr OnsiteFull Time

Alvarez & Marsal: Provides management consulting, restructuring, and business advisory services.

7+ YOE7–10+ years of professional software development experience; strong Python; experience with Azure Functions, APIs, and event-driven systems; cloud and AI/ML exposure.

Python, C#, TypeScript, Azure Functions, APIs, Azure Event Grid, Durable Functions, API Management, Azure SDKs, Azure Cognitive Services, LangChain, AutoGen, Semantic Kernel, SQL, NoSQL

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Senior Software Engineer - Python

New York, New York, United States

OnsiteFull Time

Kunai: Develops digital products and technology solutions for financial institutions.

Strong Python development, data engineering, ETL, and SQL expertise; experience with cloud data platforms and data reconciliation.

Python, Informatica, Snowflake, Redshift, BigQuery, SQL, Shell, Bash, PowerShell

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Senior Software Engineer - Python APIs

Jersey City or Westlake

$97k-$185k/yr HybridFull Time

Fidelity Investments: Provides investment management, retirement planning, and brokerage services.

5+ YOE5+ years Python cloud app development; strong Python, AWS, CI/CD, Docker; distributed systems; ML platform experience; sponsorship not provided.

Python, AWS, S3, Lambda, Batch, Step Functions, EventBridge, CloudWatch, SNS, SQS, Jenkins, Docker, Terraform, CloudFormation, OpenTofu, SageMaker

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Senior Developer I- Full Stack Python Developer (Investment Technology)

New York, New York, United States

$115k-$130k/yr HybridFull Time

Neuberger Berman: Global investment management and wealth advisory firm.

5+ YOE5+ years of software development; strong Python; RESTful APIs; web frameworks; modern JavaScript; SQL; CI/CD; Kubernetes/OpenShift; Agile experience; excellent communication.

Python, FastAPI, Flask, Dash, Streamlit, React, Angular, JavaScript, TypeScript, SQL, Snowflake, MS SQL Server, Git, Azure DevOps, Kubernetes, OpenShift

1mo

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1mo

Backend Senior Lead Software Engineer- Python

Jersey City, New Jersey, United States

$171k-$260k/yr OnsiteFull Time

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

5+ YOESenior lead software engineer with 5+ years of Python experience, enterprise platforms, cloud-native tech, and agile development.

Python, Cloud technologies, Enterprise software, Agile methodologies, Code review, Software development lifecycle

2mo

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2mo

Associate Director, Python Developer - Low-latency Trading Systems

Jersey City, New Jersey, United States

$135k-$225k/yr OnsiteFull Time

Royal Bank of CanadaToronto Stock Exchange: RY: Provides global banking, investment, and wealth management services.

5+ YOE5+ years in high-performance, low-latency systems on Linux; strong C++ and Python; STL, multi-threading, testing; scripting and DB queries.

C++, Python, Linux, STL, Multithreading, Database querying

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AWS Senior Lead Software Engineer- Java / Python

New York, New York, United States

$171k-$260k/yr OnsiteFull Time

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

5+ YOE5+ years in software engineering; experience delivering system design, development, testing, and operations; proficient in SQL and Java, Spring Boot, microservices, or Python API development; strong AWS experience with services like Step Functions, S3, SQS, Lambda; exposure to data lakes and ML concepts; automation and CD practices.

Java, Python, Spring Boot, Microservices, SQL, AWS, SageMaker, Bedrock, S3, SQS, Lambda, EMR, Glue, Spark, Snowflake, Databricks, TensorFlow, PyTorch, scikit-learn

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Senior Lead Software Engineer, Back End (Python/Node.js)

McLean or New York City or Cambridge

$230k-$286k/yr OnsiteFull Time

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

6+ YOESenior backend software engineer with 6+ years experience, cloud (AWS/Azure/GCP), leadership experience preferred; strong Java, Python, Node.js, Go, Scala, and cloud/container tech.

Java, Python, SQL, Node.js, Go, Scala, Docker, Kubernetes, AWS, Azure, GCP

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Senior Python Full Stack Developer (Jersey City, USA-NJ, US, 7302)

Jersey City, New Jersey, United States

$60k-$135k/yr OnsiteFull Time

WiproNYSE: WIT: Global technology services and consulting for digital transformation.

5+ YOEExperience 5-8 years building full-stack web apps with React front end and Python back end; API design; data and analytics integration.

React, Python, FastAPI, SQL, Snowflake, Docker, Nginx

2mo

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2mo

Senior Software Engineer

Newark, New Jersey, United States

$104k-$172k/yr HybridFull Time

PrudentialNYSE: PRU: Provides life insurance, retirement, and investment management services.

Senior Software Engineer with extensive software development experience across Java, Python, and React; cloud, DevOps, and Agile practices; strong problem-solving and collaboration.

Java, Python, React, FAST, Springboot, Boto3, pandas, urllib3, Docker, Terraform, CloudFormation, DynamoDB, Bedrock, Textract, ECS, Lambda, S3, RDS, Node.js, HTML, CSS, JavaScript, Kubernetes, GitHub, Bitbucket, Jenkins, AWS, Azure, GCP, APIs, Kong, Apigee, API Gateway, DevOps, CI/CD

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Senior AI Engineer

Iselin, New Jersey, United States

HybridFull Time

AnsellASX: ANN: Manufactures and distributes personal protective equipment and safety solutions.

9+ YOESenior AI Engineer with AI/ML, Generative AI, LLMs, cloud-native apps; strong Python/Java; experience with TensorFlow, PyTorch, Transformers; design and develop enterprise software; lead technical solutions.

Java, Python, Node.js, Angular, TypeScript, TensorFlow, PyTorch, Hugging Face Transformers, AWS, Azure, Docker, Kubernetes, MongoDB, PostgreSQL, Redis

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Senior Quant Developer

New York, New York, United States

$140k-$160k/yr OnsiteFull Time

Man GroupLondon Stock Exchange: EMG: Global alternative investment management firm serving institutional clients.

5+ YOESenior software engineer with 5+ years in Python, data pipelines, and financial domain knowledge; strong delivery track record and AI tooling experience.

Python, Pandas, NumPy, FastAPI, Flask, React, TypeScript, Kubernetes, Airflow, Kafka, Streamlit, Tableau, Claude Code, LLM

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Senior Software Engineer, Developer Experience

Bellevue or Livingston or New York or San Francisco or Sunnyvale

$165k-$242k/yr HybridFull Time

CoreWeaveNASDAQ: CRWV: Cloud platform providing GPU-accelerated infrastructure for AI workloads.

7+ YOESenior software engineer with 7+ years in production platforms, distributed systems, and developer tooling.

Go, Python, Kubernetes, GitHub Actions, Buildkite, Bazel, Artifactory, MCP

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Senior Software Engineer, Academics

New York, New York, United States

$152k-$209k/yr HybridFull Time

Flatiron HealthSIX Swiss Exchange: ROG: Provides oncology software and clinical data for cancer research.

6+ YOESenior software engineer with 6+ years experience in software development; proficient in Python, C++, SQL, Java, and R; experience with AWS, Snowflake, DBT, and Databricks; able to lead and collaborate in cross-functional teams.

Python, C++, SQL, Java, R, AWS, Snowflake, DBT, Databricks

1mo

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1mo

Senior Product Engineer

London or New York City

£90k-£200k/yr HybridFull Time

Slingshot AI: Provides an AI-powered platform for personalized mental health support.

Senior Product Engineer with experience across mobile/web, Dart/Flutter, Kotlin, Python, Next.js/TypeScript, Rust; fast-paced, owner mindset.

Dart/Flutter, Kotlin, Python, Next.js/TypeScript, Rust, gRPC, Google Cloud Platform, Kubernetes, Cloud Run

1mo

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1mo

Senior Software Engineer

Hoboken, New Jersey, United States

$140k-$160k/yr HybridFull Time

PearsonLondon Stock Exchange: PSON: Provide educational materials, assessments, and digital learning services globally.

Senior full stack engineer with React/TypeScript, Java/Spring Boot, Python or Go, AWS, REST/GraphQL, CI/CD, and strong frontend/backend balance.

React, TypeScript, Java, Spring Boot, Python, Go, AWS, REST, GraphQL, CI/CD, Git, CloudFormation, DynamoDB, S3, Lambda, ECS, Step Functions, AppSync, SQS/SNS

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Senior Software Engineer

Florham Park, New Jersey, United States

$113k-$238k/yr OnsiteFull Time

CACINYSE: CACI: Provides information technology and professional services to government clients.

7+ YOE7+ years software development with C/C++, Python; Linux; assembly; IP networking; BS in CS/CE; active Top Secret/SCI clearance.

C, C++, Python, Linux, Assembly, IP networking, MIPS, x86, PowerPC, ARM

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Software Engineer (C++ & Python) (New York, NY, US)

New York, New York, United States

$103k-$129k/yr OnsiteFull Time

CapgeminiEuronext Paris: CAP: Provides global IT consulting and digital transformation services.

7+ YOE7 years C++ development experience; strong Python experience; database and data processing skills; SDLC knowledge; excellent communication and collaboration at senior levels.

Python, C++, PySpark, Snowflake, Databricks, SQL, Jira, HP Quality Center

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Senior Software Engineer, Fullstack

Austin or New York

$166k-$200k/yr OnsiteFull Time

CLEARNYSE: YOU: Secure biometric identity platform for travel and venue access

6+ YOE6+ years in software development; strong Java/Python; cloud-based development; AWS; Docker/Kubernetes; GitHub/Argo; able to mentor and communicate with stakeholders.

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

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Senior Fullstack Engineer

Mountain View or New York City or Los Angeles or San Francisco

$150k-$210k/yr OnsiteFull Time

Commure: AI-powered software platform for healthcare workflow and administrative automation.

4+ YOE4+ years software development experience; strong backend/full-stack skills (Python); frontend JS frameworks; containers and cloud knowledge; strong communication and collaboration.

Python, Go, Typescript, React, Docker, Kubernetes, Vue

2mo

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2mo

Senior Software Engineer

New York or Boston

$155k-$185k/yr RemoteFull Time

RapidSOS: Connects data from smart devices directly to emergency responders.

5+ YOE5+ years backend or full stack development; Python and/or Node; RESTful APIs; cloud (AWS); databases; AI-driven features; strong teamwork; proactive learning.

Python, Node.js, AWS, RESTful APIs, RabbitMQ, Kafka, SQS, WebSockets, Infrastructure as Code

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Senior Software Engineer

Morristown or United States

$120k-$170k/yr RemoteFull Time

PerformLine: Automated marketing compliance and brand monitoring software platform.

Backend development on AWS using Go or Python; serverless, containers, and event-driven patterns; experience with AWS Bedrock or other LLM platforms; observability; REST APIs; CI/CD; distributed systems.

AWS Lambda, AWS ECS, AWS SQS, AWS SNS, DynamoDB, S3, API Gateway, IAM, Go, Python, AWS Bedrock, LLM platforms, CI/CD, GitHub, REST APIs, Observability tooling

1mo

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1mo

Senior AI Engineer

South San Francisco or Princeton or Thousand Oaks or Bellevue or New York

HybridFull Time

ZS: Global management consulting and technology firm for healthcare and life sciences.

AI Engineer with software development and LLM solution experience; strong Python, LLM patterns/tools, cloud platforms (AWS, Databricks, Azure), and DevOps; design and deliver scalable software; cross-functional collaboration.

Python, Javascript, FastAPI, Django, AWS, Databricks, Azure, Terraform, CloudFormation, React, Next.js, Tailwind CSS, LangChain, DSPy, Docker, Kubernetes, Redis, Unity Catalog, OpenAI API, Anthropic, AWS Bedrock, RAG, Vector DB, PEFT, LoRA

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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

2mo

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2mo

Senior Software Engineer | API

New York, New York, United States

OnsiteFull Time

DeepL: AI-powered language translation and writing enhancement services.

Senior API-focused backend/full-stack engineer with experience designing scalable REST APIs, platform infrastructure, and developer tooling.

Go, Python, Java, C#, React, TypeScript

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Senior Software Engineer

Redmond or New York

$120k-$235k/yr OnsiteFull Time

Microsoft: Provides software, cloud computing, and hardware technology products.

4+ YOEBS in CS or related field and 4+ years of software engineering; proficient in C, C++, C#, Java, JavaScript, or Python; experience with Windows development, CI/CD, and security practices; willing to undergo security screenings.

C, C++, C#, Java, JavaScript, Python, .NET, Win32 API, WinUI3, UWP, CI/CD, Telemetry, Windows development

1mo

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1mo

Senior Software Engineer, Identity

San Francisco or New York or Washington

$130k-$250k/yr OnsiteFull Time

Peregrine: Data integration and analytics platform for public safety agencies.

5+ YOE5+ years software development; CS degree or equivalent; experience with distributed systems; Python/Django stack; strong code quality and scalability.

Python, Django, Celery, Airflow, Kafka, React, Redux, Mapbox, PostgreSQL, Elasticsearch, Bedrock, SageMaker, AWS, Pulumi, Terraform, Kubernetes

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Senior Software Engineer - Workplace Productivity Engineer

New York, New York, United States

OnsiteFull Time

Bloomberg: Delivers financial data, news, and software to global markets.

5+ YOE5+ years in software development; building production services and automation using C#, Python, PowerShell; Bachelor's in CS/Engineering/Mathematics or equivalent.

C#, Python, PowerShell, Azure, Microsoft 365, Google Workspace, GitHub, MCP, Azure Entra ID, DLP

1mo

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1mo

Senior Application Developer

New York, New York, United States

$145k-$155k/yr HybridFull Time

Empire State Realty TrustNYSE: ESRT: Owns and operates office, retail, and residential New York real estate.

5+ YOELead developer for enterprise systems; strong backend and frontend integration; AI/automation experience a plus; 5-7 years in application development; Real Estate/Attractions experience a plus.

Python, C#, Java, C++, Git, APIs, Salesforce, ETL, Tableau, Power BI, LLMs, AI, Automation

1mo

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1mo

Senior Software Development Engineer

New York, New York, United States

$156k-$211k/yr OnsiteFull Time

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

7+ YOE7+ years software development in financial services; Python expertise; experience with trading/risk systems and market data vendors; API/microservices; AI concepts.

Python, APIs, Microservices, Git, CI/CD, Testing frameworks

1mo

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1mo

Senior Software Engineer - Client Portal

Brooklyn, New York, United States

$145k-$175k/yr OnsiteFull Time

Morgan & Morgan: Provides legal representation for personal injury and consumer litigation.

Senior full-stack engineer with Python (FastAPI), React/React Native, Expo, and AWS; strong emphasis on code quality, testing, and collaboration.

FastAPI, Python, React, React Native, Expo, AWS

2mo

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2mo

Senior Software Engineer, Full Stack

New York City or San Francisco

$160k-$220k/yr HybridFull Time

Verse Medical: Software platform coordinating medical supply orders and home-based care.

4+ YOE4+ years of full-stack development; Python/TypeScript; React or Vue; strong SQL (PostgreSQL/MySQL); clear communication.

Python, TypeScript, Flask, React, Apollo GraphQL, PostgreSQL, Airflow, AWS, Google Cloud Platform

2mo

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2mo

Senior Software Engineer, Development Tools

London or New York

HybridFull Time

Tower Research Capital: Global quantitative trading firm developing high-frequency algorithmic investment strategies.

7+ YOE7+ years in software development or DevOps; strong C++, Rust, Python; large monorepo build systems; Linux toolchains; DevOps tooling; performance and scalability focus; strong collaboration and communication.

C++, Rust, Python, Bazel, Buck2, CMake, Rattler, Pixi, Linux, Docker, Podman, Git, CI/CD, Infrastructure as Code, Configuration as Code

2mo

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2mo

Senior Software Engineer, Wallets

New York, New York, United States

$170k-$260k/yr OnsiteFull Time

Stellar Development Foundation: Develops an open-source blockchain network for global financial access.

5+ YOE5+ years of software development; strong CS fundamentals; proficient in Go, Python, Rust, C#, Java, or C++; experience with distributed systems and scalable web services; strong communication and product mindset.

Go, Python, Rust, C#, Java, C++, NodeJS

2mo

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2mo

Senior Quant Developer

New York, New York, United States

$151k-$252k/yr OnsiteFull Time

London Stock Exchange GroupLondon Stock Exchange: LSEG: Operates stock exchanges and provides financial market data services.

4+ YOE3+ years C/C++ enterprise solutions; 4+ years experience; 2+ years large-scale projects; 3+ years Linux; Python; strong communication; global team experience; cloud knowledge.

C/C++, Python, Linux, AWS, Azure, Kubernetes, Lambdas

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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

1mo

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1mo

Senior Cloud Engineer I

Princeton, New Jersey, United States

$138k-$167k/yr OnsiteFull Time

Bristol Myers SquibbNew York Stock Exchange: BMY: Develops and distributes innovative medicines for serious diseases.

5+ YOE5+ years software development; strong Python; AWS (S3, Lambda, Fargate); Git; CI/CD; leadership/mentoring experience.

Python, AWS, S3, Lambda, Fargate, Docker, Kubernetes, Git, CI/CD