Junior Software Engineer Python Jobs in Whippany, NJ, US

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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

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

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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 Engineer, Products (Python)

Princeton, New Jersey, United States

OnsiteFull Time

NIKSUN: Sells network security and performance monitoring hardware and software.

2+ YOE0-2 years Linux/UNIX admin; Python scripting; Docker; REST APIs; Docker; Windows Office365; container experience.

Python, Linux, Bash, Docker, REST, Office365, Ansible, Chef, Puppet, Terraform

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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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Software Engineer

New York City or San Francisco or United States

$140k-$200k/yr HybridFull Time

Valon: AI-powered mortgage servicing and financial software platform.

1+ YOE1 year software engineering experience; Bachelor's in CS; experience building scalable systems; able to work cross-functionally; legal to work in the U.S.

Python, React, Docker, Kubernetes, Google Cloud Platform

2mo

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2mo

Junior AV Software Developer of Modules, Drivers, and Plugins

Fairfield, New Jersey, United States

RemoteFull Time

Control Concepts: Software development and API integration for audiovisual control systems.

2+ YOEMid-level AV programmer with 2+ years field experience; proficient in C#, Lua, Python, JavaScript, HTML5; knowledge of Crestron, Q-SYS, Crestron Home, Control4, RTI; strong API and TCP/IP skills.

C#, Lua, Python, JavaScript, HTML5, Crestron, Q-SYS, Crestron Home, Control4, RTI, Extron, Elan, TCP/IP

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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

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

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

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

1mo

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1mo

Software Engineer - 2027 Interns

New York, New York, United States

$10k/mo HybridInternship

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

Intern software engineer with hands-on coding, solid CS fundamentals, Git, and curiosity about DeFi; ability to ship features and collaborate.

TypeScript, JavaScript, Python, Rust, Java, C/C++

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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

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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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

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

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 - New Grad

New York, New York, United States

$110k-$130k/yr HybridFull Time

SeatGeek: Mobile-focused marketplace for buying and selling live event tickets.

0+ YOENew graduates Spring/Summer 2026; strong problem-solving, software construction, and collaboration skills; learning mindset; experience building software and interest in ticketing domain.

Python, Go, C#, .NET Core, React, Typescript, Swift, Kotlin, Postgres, Redis, Elasticsearch, AWS, Gitlab

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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

2mo

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2mo

Software Engineer Intern

Los Angeles or New York or San Francisco

$35-$45/hr HybridInternship

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

0+ YOECurrently enrolled in a Bachelor's or Master's in Computer Science, plan to return to school; at least two years of college completed; Python and SQL experience; knowledge of AI/ML tools; strong math/statistics; able to commit 10 weeks (May–Aug); independent yet collaborative.

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

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, Innovation Team

New York, New York, United States

$90k-$120k/yr OnsiteFull Time

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

1+ YOE1-2 years in full-stack web development; strong front-end in React; REST APIs; CI/CD; Git/Jira; Docker; Linux; MVC; Django/Python or cloud basics a plus.

React, Git, Jira, Github Actions, Docker, Linux, WSL2, REST APIs, Django, Python, AWS, Azure, VSCode

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Software & Data Engineer – Financial Technology - Launch Program

Union, New Jersey, United States

HybridFull Time

SS&C TechnologiesNasdaq: SSNC: Provides software and technology for financial and healthcare sectors.

0+ YOEEntry-level Software/Data Engineer with Python/SQL, AI/ML exposure, and finance interest; 0-2 years; bachelor's degree in Accounting/Finance or related field; GPA 3.0; eligible to work in US.

Python, SQL, FastAPI, Django, Flask, SQL Server, PostgreSQL, MySQL, Docker, Kubernetes, LangChain, LLMs, NLP, APIs, ETL

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

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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

1mo

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1mo

Jr. Software Engineer - AI & Prompt Engineering (Contract to Perm)

New York, New York, United States

$40-$60/hr OnsiteContract, Full Time

Locality: Unified platform for local broadcast and streaming video advertising.

Bachelor’s degree in Computer Science or related field; strong CS fundamentals; proficiency in at least one language (Python/JavaScript/Java); familiarity with APIs, debugging, testing, and version control; exposure to AI/prompt engineering.

Python, JavaScript, Java, APIs, 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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Software Development Engineer I

Washington or Reston or San Diego or San Francisco or Wilmington or Phoenix or Los Angeles or Houston or Boston or Austin or Atlanta or Raleigh or Baltimore or New York or Dallas or Palo Alto or Short Hills or Minneapolis or Chicago or Seattle or Philadelphia or Miami

$37-$59/hr HybridFull Time

DLA Piper: Global law firm providing comprehensive legal and business services.

1+ YOE1-3 years programming with Node.js, Python, C#, Razor, MVC; SQL databases; JavaScript frameworks; HTML/CSS; strong communication.

Node.js, Python, C#, Razor, MVC, Visual Studio Code, MS Graph, APIs, Git, Azure DevOps, SQL, HTML, CSS, JavaScript

13h

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13h

Senior Software Engineer

Hoboken, New Jersey, United States

$120k-$140k/yr HybridFull Time

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

Design, build, and maintain cloud-native data pipelines; ensure data quality and security; collaborate with cross-functional teams; mentor junior engineers.

AWS, Java, Python, DynamoDB, AuroraDB, MongoDB, RDBMS, CI/CD

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Software Engineer Intern (Unpaid)

New York, New York, United States

OnsiteInternship

Universal Processing: Provides payment processing and financial technology solutions for businesses.

Authorized to work in the US; student pursuing CS/SE/IT; strong programming skills (C++, JavaScript, Python); analytical; able to work onsite 20-25 hours/week.

2mo

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2mo

Software Engineering Intern

New York City or Miami

OnsiteInternship

Dorsia: Members-only platform for booking exclusive restaurants and luxury experiences.

Pursuing a bachelor’s in CS/SE, junior-level CS coursework, knowledge of software engineering, programming in JavaScript/Python/Java, familiarity with AI-assisted dev tools, strong problem-solving, collaborative.

JavaScript, Python, Java, AI-assisted development tools

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

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Forward Deployed Software Engineer

New York, New York, United States

$130k-$178k/yr HybridFull Time

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

2+ YOE2-4 years in data/software engineering; strong SQL and Python; ETL/ELT pipelines; cloud (AWS); Docker; Snowflake; Git; CI/CD; ability to translate business and research needs into technical solutions.

SQL, Python, ETL, AWS, Docker, Snowflake, Git, 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

1mo

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1mo

Software Engineer (New Grad Program)

San Francisco or New York City

$65/hr OnsiteInternship

Sigma Computing: Cloud-native analytics platform featuring a spreadsheet-style interface.

Recent computer science or related degree graduate; strong programming skills; able to work in-person in SF or NYC for 12 weeks; good collaboration and communication.

Java, Python, JavaScript, SQL

1mo

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1mo

Jr. Software Engineer - AI & Prompt Engineering (Contract to Perm)

New York, New York, United States

$40-$60/hr OnsiteContract, Full Time

Locality: Local video advertising solutions for broadcast and streaming.

0+ YOEBachelor's in CS or related field; strong CS fundamentals; one programming language; knowledge of debugging, testing, Git; API basics; interest in AI/prompt engineering.

Git, APIs, HTTP, Python, JavaScript, Java

2mo

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2mo

Software / Firmware Engineer (East Stroudsburg, Pennsylvania (PA), US)

East Stroudsburg, Pennsylvania, United States

HybridFull Time

SPX TechnologiesNYSE: SPXC: Manufactures engineered infrastructure products for HVAC and measurement markets.

1+ YOE1-3 years software development with C++, Linux experience; OO design; SQL and stored procedures.

C++, Linux, SQL, Git, Mercurial, QT, .NET, JavaScript, Python, QML, Java, BASH scripting, Flutter

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Software Engineer (New Grads 2025-2026)

New York City, New York, United States

$100k-$180k/yr OnsiteFull Time

EliseAI: AI platform automating housing and healthcare business operations.

0+ YOEGraduating Winter 2025 - Spring 2026; BS in Computer Science or related field; startup-savvy; willing to work in-person five days a week.

Python, AWS, Machine Learning