Junior Python Developer Jobs in Stamford, CT, US

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Junior Quantitative Developer

New York or Chicago

$125k-$185k/yr OnsiteFull Time

Harbor Capital Advisors: Provides active asset management and fund administration services.

0+ YOEBachelor’s degree in a quantitative/technical field; 0–3 years software/quantitative experience; strong Python; SQL/PostgreSQL; production engineering; interest in financial markets.

Python, SQL, PostgreSQL, Git, CI/CD, Data pipelines, ETL

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Junior AI Engineer

New York, New York, United States

$100k-$120k/yr OnsiteFull Time

eClerxNational Stock Exchange of India: ECLERX: Provides business process management and data analytics services globally.

2+ YOE2+ years of production software development with strong Python skills; knowledge of RAG, GenAI, and AI workflow concepts.

Python, Java, TypeScript, LangChain, LangGraph, PyTorch, TensorFlow, JAX, FastAPI, REST APIs, JSON, SQL, FAISS

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Junior Data & Systems Developer

New York, New York, United States

$70k-$90k/yr OnsiteFull Time

Kohn Pedersen Fox Associates: Global architecture firm providing design and urban planning services.

0+ YOEEntry-level data and systems developer; Python, SQL, REST APIs; Flask/FastAPI; AWS basics; Docker; Git; 0-4 years.

Python, SQL, REST APIs, Flask, FastAPI, AWS, Docker, Git

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Junior Software Engineer

Florham Park, New Jersey, United States

$67k-$133k/yr OnsiteFull Time

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

0+ YOE0+ years experience in C/C++, Python; Linux basics; assembly familiarity; IP networking; BS in CS/CE; Top Secret clearance.

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

1mo

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1mo

Junior Quantitative Latency Engineer

Chicago or Austin or London or New York City or Singapore

$200k-$300k/yr HybridFull Time

Hudson River Trading: A quantitative firm using technology to trade global financial markets.

0+ YOEProficiency in Python and Pandas; strong data analytics; technical degree or equivalent; quick learner; cross-functional collaboration.

Python, Pandas, Data Analysis Tools

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Junior Software Engineer

New York, New York, United States

$90k-$170k/yr OnsiteFull Time

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

0+ YOEEntry-level software engineer role requiring foundational CS knowledge and willingness to learn across systems, data, and AI tools.

JavaScript, Python, AI tooling, Cloud platforms

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Junior Software Engineer

Bronx, New York, United States

$110k-$140k/yr HybridFull Time

Essen Health Care: Private multispecialty medical group providing integrated healthcare services.

2+ YOE2+ years software engineering; full-stack, Python/React; strong fundamentals; self-directed; healthcare experience a plus.

Python, FastAPI, React, TypeScript, MSSQL, Redis, Azure, Terraform

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Junior Data Engineer

New York, New York, United States

$80k-$95k/yr OnsiteFull Time

Bombas: Comfort apparel brand with a mission-driven donation model.

0+ YOE0–2+ years in data engineering or analytics engineering; strong SQL; Python exposure; dbt and BigQuery experience preferred.

SQL, Python, dbt, BigQuery

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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

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Jr Software Engineer

New York, New York, United States

HybridFull Time

Spot & Tango: Provides personalized human-grade dog food via a subscription service.

3+ YOE0-3 years software development; proficient in React and Python; experience with Next.js; strong front-end and web app development; AWS and Django preferred.

Next.js, React, React Native, TypeScript, AWS, Django, Git, Python

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Backend Engineer Intern

New York or Philadelphia

$20-$25/hr HybridInternship, Full Time

Cadent: Provides an advertising technology platform for cross-platform TV media.

0+ YOERising junior or senior pursuing a bachelor's in CS or related field; strong OOP in C# or Python; API basics; SQL; debugging; project experience; good communication; self-motivated.

C#, Python, REST, SQL, Git, CI/CD, AWS, Azure, GCP, .NET

1mo

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1mo

Developer

New York, New York, United States

RemoteFull Time

Onramp Lab: Venture studio building and scaling digital brands through AI.

Bachelor's degree or equivalent experience; strong JavaScript/Python; experience with React/Node.js/Django; SQL/NoSQL; remote collaboration; AI experience a plus.

JavaScript, Python, React, Node.js, Django, SQL, NoSQL

1mo

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1mo

AI Systems Engineer

New York, New York, United States

$125k-$250k/yr RemoteFull Time

Trail of Bits: Provides high-end security research and software auditing services.

Experience in software development, AI integration, API development, and automation; proficient in Python/JavaScript/TypeScript; strong communication; able to ship production-ready code.

Python, JavaScript/TypeScript, Slack, OpenAI, Anthropic, APIs, Web Scraping

1mo

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1mo

AI/ML Hardware Engineer (junior career)

Shelton, Connecticut, United States

$80k-$141k/yr OnsiteFull Time

Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.

0+ YOEHardware-focused AI/ML engineer with experience in deploying edge hardware, computing environments, and scripting (Python/Go/Bash); familiar with AI/ML hardware like GPUs/FPGAs; able to collaborate across IT and facilities.

GPUs, FPGAs, IoT devices, Server hardware, Python, Go, Bash, Ansible, Terraform, Kubernetes, Docker, containerd, CRI-O, Gitlab, Slack, Confluence

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Quant Developer

New York or Coral Gables

$90k-$110k/yr HybridFull Time

Bayview Asset Management: Investment management firm specializing in credit and mortgage assets.

0+ YOEBachelor’s in STEM; 0-3 years experience; strong programming (Python, C++, C#, SQL, VBA); cloud familiarity (Azure/AWS); DevOps preferred; strong quantitative skills.

Python, C++, C#, SQL, VBA, Azure, AWS, DevOps, HPC

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

1mo

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1mo

Forward Deployed Software Engineer, Internship - Year at Palantir

New York, New York, United States

$10k/mo OnsiteInternship

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

1+ YOEEnrolled US university student (sophomore or junior) for 1-year internship; engineering degree preferred; proficient in one or more languages (Python, Java, C++, TypeScript/JavaScript); strong problem-solving and teamwork.

Python, Java, C++, TypeScript, JavaScript

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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Associate Engineer

Newark, New Jersey, United States

$82k-$87k/yr OnsiteFull Time

WebMD: Providing digital health information services for consumers and healthcare professionals.

0+ YOE0-2 years of software development experience; degree in Computer Science/IT or engineering.

JavaScript, HTML, CSS, Node.js, Python, Vue.js, React, Angular, Express

2mo

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2mo

GTM Engineer

New York, New York, United States

OnsiteFull Time

Sapien: AI platform for autonomous corporate financial analysis and reporting.

Full-stack experience with React, TypeScript, Python, SQL; customer-facing experience; pragmatic, ownership mentality.

React, TypeScript, Python, SQL

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2026 AI Engineer Intern, Long/Short Equities

New York, New York, United States

$130k-$145k/yr OnsiteInternship

Point72: Global multi-strategy asset management and investment advisory firm.

Pursuing CS/CE degree; strong Python; SQL; AI model experience; dashboards/tools development; internship experience a plus.

Python, SQL, JavaScript/TypeScript, Data Visualization, Cloud-based development, Dashboard development, Internal tooling

2mo

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2mo

Spring Internship, Software Developer

New York, New York, United States

OnsiteInternship

Voyant Photonics: Manufactures chip-scale LiDAR sensors for autonomous machine perception.

Pursuing a degree in computer science, software engineering, robotics or related field; strong written communication; programming in C++, Python, and/or Rust; able to explain technical concepts clearly; self-directed documentation projects.

C++, Python, Rust, Git, CI/CD, Sphinx, Doxygen, MkDocs, ReadTheDocs, ROS, ROS2

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Software Engineer

Melville, New York, United States

OnsiteFull Time

Motorola SolutionsNYSE: MSI: Provides mission-critical communications and public safety technology.

2+ YOEBachelor’s or Master’s in Computer/Software/Electrical Engineering; 2+ years embedded C/C++ for embedded apps; Linux for ARM; TCP/UDP networking; Python; Git; CI/CD; LabView/Visual Studio; design/driver firmware; strong problem-solving.

C++, Linux, Python, C#, LabView, Visual Studio, Git, C, CMake

1mo

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1mo

Algorithms Engineer Internship

Budd Lake, New Jersey, United States

OnsiteFull Time

Onto InnovationNYSE: ONTO: Provides metrology and inspection solutions for semiconductor manufacturers.

0+ YOEBachelor's or Master's in CS/EE/Applied Math/Physics; experience with algorithms, data engineering, ML pipelines; large unstructured data; dataset versioning; evaluation metrics; Python proficiency.

Python, ML tooling

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Full Stack Developer

Brooklyn, New York, United States

$75k-$130k/yr OnsiteFull Time

City of New York: Provides municipal services and administration for New York City.

4+ YOEFull stack development with front-end (React/Angular/Vue) and back-end (Node.js, Python/Django, Ruby on Rails, ASP.NET); strong HTML/CSS/JS; REST APIs; SQL/NoSQL; Git; cloud platforms; agile; 3+ years experience; Bachelor’s degree preferred.

React, Angular, Vue.js, Node.js, Python/Django, Ruby on Rails, ASP.NET, HTML5, CSS3, JavaScript, REST APIs, SQL, NoSQL, Git, GitHub, Subversion, AWS, Azure, GCP, Docker, Kubernetes, Java Spring Boot

1mo

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1mo

Software Engineer, Early Career

Chicago or New York

$150k-$200k/yr OnsiteFull Time

Aquatic Capital Management: Quantitative investment manager developing proprietary systematic trading strategies.

0+ YOEBachelor's in CS/Software Eng; 0-3 years experience; Python or C++; knowledge of event-driven architectures and distributed systems; strong quantitative skills preferred.

Python, C++

1mo

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1mo

Software Engineer - Intern

New York City, New York, United States

HybridAll Commitments Available

DoubleVerifyNew York Stock Exchange: DV: Provides software for measuring and authenticating digital media quality.

Pursuing CS/related field; strong data structures/algorithms; proficient in C++, Java, Scala, or Python; SQL/RDBMS knowledge; distributed systems a plus.

C++, Java, Scala, Python, SQL

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Software Engineer - Data

Chicago or New York

$175k-$225k/yr HybridFull Time

IMC: Global trading firm providing liquidity to financial markets.

1+ YOEBachelor's degree in Computer Science/Engineering or related field; 1 year of relevant experience; Java/C/C++, Python; Kafka, Spark/Flink; Kubernetes/Docker; Unix scripting; data handling with Big Data backends; monitoring tools; code reviews; collaborative environment.

Java, C/C++, Python, Kafka, Databricks, S3, HDFS, Apache Spark, Apache Flink, Kubernetes, Docker, Prometheus, Grafana, Unix scripting

1mo

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1mo

AI Engineer Intern

United States or Oklahoma or Texas or Missouri or Colorado or Washington or Virginia or Wyoming or Utah or Maine or New York or Ohio or Florida or Washington

$25/hr RemoteInternship

USA Rare EarthNASDAQ: USAR: Manufactures rare earth magnets and processes critical minerals.

0+ YOEMS student in CS/Data Science/SE/Applied Math; shipped AI product experience; Python proficient; LLM framework experience; SQL/Pandas; strong software engineering; strong written communication.

Python, LangChain, LlamaIndex, OpenAI API, Anthropic API, Haystack, SQL, Pandas

2mo

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2mo

Software Engineer Intern

San Francisco or Los Angeles or New York City

$35-$45/hr HybridInternship

Tatari: Provides a platform to buy and measure TV advertisements.

0+ YOEPursuing CS degree, 2+ years of college, Python, SQL, math and stats, AI/ML project experience, 10-week commitment, able to work independently.

Python, SQL, MySQL, PostgreSQL, AI/ML tools

1mo

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1mo

New Grad Software Engineer, Product

New York, New York, United States

HybridAll Commitments Available

Secureframe: Automated security compliance and risk management platform.

Bachelor's degree in CS/engineering/math or related field; graduation Winter 2025 or Spring 2026; internships/startups; proficient in Ruby/TypeScript/Python; experience with LLMs; strong CS fundamentals; collaboration.

Ruby, TypeScript, Python, LLMs

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Software Engineer - Early Career (USA)

Stamford, Connecticut, United States

$130k-$175k/yr OnsiteFull Time

Trexquant: Quantitative hedge fund developing systematic trading strategies.

BS/MS in Computer Science or related STEM; strong data structures, algorithms, OOP; proficient in C++, C, Python, Java, or Rust; Linux familiarity; strong problem-solving and quick learning in a collaborative team.

C++, C, Python, Java, Rust, Linux

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Software Engineer (Full stack) - Intern

Austin or New York City

HybridFull Time, Internship

Hedral: Automated building design and structural engineering platform.

0+ YOECurrent student in CS/Engineering; backend (C#, Python, C++) and frontend (React/TypeScript) skills; strong CS fundamentals; portfolio of projects; ability to ship production code.

C#, Python, C++, React, TypeScript, FastAPI, .NET, Cursor, Copilot

1mo

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1mo

Data Engineer Intern

New York, New York, United States

$20-$30/hr HybridInternship

Cornspring: Provides AI-driven data intelligence and portfolio insights for investors.

0+ YOEPursuing undergraduate (junior/senior) or graduate studies in CS/Data Science; experience building data pipelines; strong Python, SQL, and pandas; familiar with data modeling and AI/ML data needs.

Python, PostgreSQL, SQL, Pandas, Azure, Machine Learning, Data Testing

3mo

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3mo

Full Stack Software Engineer I

New York, New York, United States

$105k-$115k/yr OnsiteFull Time

CVector: AI platform optimizing industrial margins through real-time data fusion

Python or Typescript experience; web frameworks, databases, cloud infra, real-time data visualization; degree or equivalent; willing to travel domestically and internationally.

Python, Typescript, React, Supabase, MQTT, Figma, Arco Design, TigerData, PostgreSQL, AWS, GitHub

2mo

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2mo

Quantitative Trading and Research - Rates - Quantitative Developer - Vice President

New York, New York, United States

$200k-$285k/yr OnsiteFull Time

JPMorgan ChaseNYSE: JPM: Global provider of banking, investment, and asset management services.

Proficiency in Java/C++ or OO languages; Python data analysis; production code delivery; collaboration with traders/researchers; detail-oriented in fast-paced environments; interest in financial markets.

Java, C++, Python, NumPy, pandas

1mo

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1mo

Forward Deployed Software Engineer (NYC)

New York City, New York, United States

$120k-$150k/yr OnsiteFull Time

Felicity: Automates browser-based healthcare and enterprise operational workflows.

3+ YOE0-3 years in software engineering or customer-facing roles; proficient in Python, Java, C++, TypeScript/JavaScript; familiar with LLMs; strong ownership and communication.

Python, Java, C++, TypeScript, JavaScript

1mo

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1mo

Entry-level Moment Google Contact Center Developer

Teaneck, New Jersey, United States

$65k/yr OnsiteFull Time

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

0+ YOEBachelor’s degree in computer science or IT/programming; strong Python, cloud concepts; experience with AI/GenAI and conversational AI; Google Cloud skills; CI/CD; data/SQL knowledge; good communication.

Python, Google Cloud, Dialogflow, Cloud Functions, Firestore, Vertex AI, Cloud Storage, REST APIs, Webhooks

1mo

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1mo

Entry-level Moment Google Contact Center Developer

Teaneck, New Jersey, United States

$65k/yr OnsiteFull Time

CognizantNasdaq: CTSH: Provides global information technology and business process outsourcing services.

0+ YOEBachelor’s in CS/IT; Python; cloud concepts; experience with GenAI/NLP; CI/CD; Google Cloud certifications; REST APIs/Webhooks; JavaScript; willingness to learn Agentic AI and contact center concepts.

Python, Google Cloud Platform, Dialogflow, CCAI, Cloud Functions, Firestore, Vertex AI, Cloud Storage, REST APIs, Webhooks, JavaScript