Python Software Developer Jobs in Norwalk, CT, US

Save

Mark Applied

Hide

Software Engineer (New York, NY, US, 10036)

New York, New York, United States

$110k-$145k/yr HybridFull Time

ParamountNASDAQ: PSKY: Produces and distributes media content across global entertainment platforms.

2+ YOE2+ years software engineering; backend services/APIs/tools; familiarity with AI tooling and cloud platforms; strong problem-solving and teamwork.

Java, Kotlin, Python, LLMs, GitHub Copilot, Docker, Kubernetes, AWS, GCP, Azure, CI/CD, Embeddings, RAG

2mo

Save

Mark Applied

Hide

2mo

Senior Machine Learning Software Engineer

Denver or New York City

$200k-$231k/yr RemoteFull Time

Cleerly: AI-powered software for diagnosing and tracking heart disease.

7+ YOE7+ years in software engineering for ML production; deploy ML models via APIs, batch or streaming; Python proficiency; CI/CD; cloud platforms (AWS); ML/data platforms; regulatory compliance (FDA/HIPAA).

Python, Java, AWS, SageMaker, S3, EC2, Airflow, MLflow, Kubernetes, Terraform, Databricks, Unity Catalog, Snowflake, Snowpark

2mo

Save

Mark Applied

Hide

2mo

Software Engineer, Portfolio Engineering

New York, New York, United States

$170k-$220k/yr HybridFull Time

Talos: Institutional trading infrastructure for digital assets.

5+ YOE5+ years backend experience in Java; distributed systems; REST/WebSocket; SQL; cloud (AWS/GCP).

Java, Python, SQL, REST, WebSocket, AWS, GCP

Save

Mark Applied

Hide

Software Engineer, Desktop Automation

New York City or United States

$160k-$300k/yr HybridFull Time

Sola: Builds AI agents to automate complex enterprise workflows.

Experience building automation infrastructure with focus on reliability; OS APIs, remote desktop or accessibility frameworks; strong systems knowledge.

TypeScript, Python, Appium, VNC/RFB, Tailscale, Temporal, Kubernetes, Windows accessibility APIs

2mo

Save

Mark Applied

Hide

2mo

Senior Software Engineer – AI Tools | Data Engineering | Experienced Hire

New York, New York, United States

$225k-$250k/yr OnsiteFull Time

Susquehanna International Group: Global quantitative trading firm providing proprietary financial market liquidity.

5+ YOE5–10+ years software engineering; Python expert; experience building AI agents; RAG; LangChain; secure systems; independent work in fast-evolving space.

Python, Async, LangChain, LangGraph, Pinecone, Chroma, pgvector, APIs, shell, LLMs

Save

Mark Applied

Hide

Gen AI Developer with Python

Jersey City, New Jersey, United States

$100k-$110k/yr OnsiteFull Time

Synechron: Providing digital transformation and technology consulting for financial services.

Bachelor’s or Master’s in Computer Science, AI, or ML; strong Python; experience with AI frameworks, LLMs, prompt engineering, RAG, vector databases; collaborative; good communication.

Python, TensorFlow, PyTorch, Hugging Face, LLMs, RAG, Vector databases

Save

Mark Applied

Hide

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

Save

Mark Applied

Hide

2mo

Lead Software Engineer –Hybrid NYC

New York City or Baltimore

$145k-$309k/yr HybridFull Time

T. Rowe PriceNasdaq: TROW: Provides global investment management and retirement planning services.

8+ YOE8+ years of experience in software engineering; leadership of engineering teams; cloud-native solutions on AWS or Azure; containerized microservices; proficiency in OO languages; strong problem solving and communication; automated testing and continuous delivery.

AWS, Azure, Containerization, Microservices, Java, Python, JavaScript, Agent frameworks

1mo

Save

Mark Applied

Hide

1mo

Software Engineer Associate - Data Platform Team

New York City or Austin

$130k-$160k/yr HybridFull Time

Sixth Street: Global investment firm providing strategic capital and financing solutions.

4+ YOE4+ years Java, 2+ years Python, 1+ year AWS, SQL relational DB, BS/MS in CS

Java, Python, AWS, SQL

2mo

Save

Mark Applied

Hide

2mo

Full Stack Software Engineer, Remix by Via

New York City, New York, United States

$160k-$220k/yr OnsiteFull Time

ViaNYSE: VIA: Provides software and operations for public transportation and mobility.

4+ YOE4+ years of professional software engineering experience; full-stack, user-centric development; collaborative and empathetic; experience with React a plus; geospatial experience a plus.

TypeScript, React, Mapbox, Rails, Python, PostgreSQL

Save

Mark Applied

Hide

Software Engineer - C++

New York, New York, United States

$200k/yr OnsiteFull Time

Optiver: Global market maker providing liquidity to financial markets.

2+ YOE2+ years of C++ experience in low-latency systems; strong CS fundamentals; experience with C++; on-site in New York City.

C++, Python, Linux, Machine Learning, Low-latency systems

2mo

Save

Mark Applied

Hide

2mo

Senior Software Engineer

New York or Boston or Salt Lake City

$140k-$180k/yr HybridFull Time

Tagup: AI platform for defense logistics and asset performance optimization

Architect scalable platform, build REST APIs, and transform data at scale. Strong focus on Open standards and high-velocity delivery.

Pyro, PyTorch, LangChain, Claude, Python, FastAPI, SQLAlchemy, Pandas, PostgreSQL, Redis, AWS, Kubernetes, Terraform

Save

Mark Applied

Hide

Staff Software Engineer

New York, New York, United States

$180k-$220k/yr OnsiteFull Time

Instnt: Provides AI-powered identity fraud detection and fraud loss insurance.

Senior, hands-on full-stack engineer focused on architecture, performance, and production systems; experience auditing and optimizing complex platforms.

Python, AWS, React, TypeScript, SQL

Save

Mark Applied

Hide

Software Engineer

Great Neck, New York, United States

$120k-$160k/yr OnsiteFull Time

Wild West Systems: Developer of autonomous defense and weaponized drone systems.

3+ YOE3+ years software engineering; BS in CS/SE; proficient in Python, C/C++, Rust, Go, or Java; shipping software experience; ML workflows; Unix/Linux; ITAR citizen.

Python, C/C++, Rust, Go, Java, Unix/Linux, Machine Learning frameworks

1mo

Save

Mark Applied

Hide

1mo

Asset & Wealth Management - Software Engineer - Associate - New York

New York, New York, United States

$110k-$130k/yr OnsiteFull Time

Goldman SachsNYSE: GS: Provides investment banking, securities, and wealth management services globally.

Bachelor's or higher in CS/Engineering/Math; proficient in Java/Kotlin/Python/JavaScript/TypeScript/React; strong problem solving; ownership; teamwork.

Java, Kotlin, Python, JavaScript, TypeScript, React, SpringBoot, Relational databases, Non-relational databases

2mo

Save

Mark Applied

Hide

2mo

Sr. Software Engineer, Cloud - Core Reliability Services

Sunnyvale or Austin or New York City

$140k-$215k/yr HybridFull Time

CrowdStrikeNASDAQ: CRWD: Provides cloud-native endpoint protection and threat intelligence services.

7+ YOE7+ years backend development; 5+ years microservices; expert in Golang; distributed systems; production-grade code with performance and reliability focus; strong collaboration and leadership.

Golang, Java, Scala, Kotlin, Python, Node.js, Kubernetes, AWS, Cassandra, Kafka, Elasticsearch

Save

Mark Applied

Hide

Lead GenAI Backend Platform Software Engineer

Rockville or Jersey City or Denver or San Francisco or New York City or Tysons

HybridFull Time

FINRA: Regulates brokerage firms and exchange markets in the United States.

7+ YOE7+ years in software engineering; strong backend design; Python, FastAPI; cloud (AWS); LLMs; security; CI/CD; team leadership.

Python, FastAPI, AWS Bedrock, S3, Lambda, Step Functions, Fargate, Aurora, CI/CD, Git

1mo

Save

Mark Applied

Hide

1mo

Senior DevSecOps Software Engineer

Farmingdale, New York, United States

$123k-$216k/yr OnsiteFull Time

TTM TechnologiesNASDAQ: TTMI: Global manufacturer of printed circuit boards and RF components.

10+ YOEBachelor’s degree in Computer Science/Computer Engineering; 10+ years related experience; 3+ years DevOps; 3+ years scripting (Python); experience with CI/CD, DevSecOps; on-prem infra; GitLab/Jenkins/Jira/Artifactory; IaC (Terraform); DoD Secret clearance ability.

GitLab, Jenkins, Git Bash, Jira, Artifactory, Terraform, Puppet, Ansible, Chef, Python

Save

Mark Applied

Hide

Senior Forward Deployed Software Engineer

New York, New York, United States

$150k-$250k/yr HybridFull Time

PhysicsX: AI software for physics simulation and engineering optimization.

Software engineering, API design, production deployment; customer collaboration; frequent travel; physics/engineering understanding a plus.

FastAPI, Python, Kubernetes, Terraform, AWS, Azure, Helm

2mo

Save

Mark Applied

Hide

2mo

Senior Software Engineer (Platform), United States

New York City, New York, United States

$150k-$200k/yr HybridFull Time

AutogenAI: Generative AI platform for automating bid and proposal writing.

5+ YOE5+ years of experience building and shipping features; strong TS/Python; relational DB; platform infra; US hosting knowledge; upskilling in Kubernetes, Helm, Docker, AWS; US citizenship with background check.

TypeScript, Python, Relational databases, Kubernetes, Helm, Docker, AWS, Scripting

Save

Mark Applied

Hide

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

Save

Mark Applied

Hide

Senior Full Stack Software Engineer - Credit Card

New York, New York, United States

$152k-$200k/yr RemoteFull Time

Fanatics: Digital sports platform for fan gear, collectibles, and betting.

5+ YOE5+ years software engineering; frontend React (TypeScript preferred); backend Java/Node.js/Go/Python; REST APIs; AWS; containers; Agile/Scrum; CI/CD.

React, TypeScript, Java, Node.js, Go, Python, Kafka, SQS, PostgreSQL, DynamoDB, AWS, Docker, Kubernetes, CI/CD

Save

Mark Applied

Hide

Senior Full Stack Software Engineer (AI Applications)

Yonkers or California or New York or Texas

$100k-$140k/yr HybridFull Time

Consumer Reports: Tests products and publishes ratings for consumer advocacy.

5+ YOE5+ years of production full-stack development with Python, JavaScript, and SQL/NoSQL; Bachelor's in CS/Engineering; experience deploying on cloud platforms and AI/ML services.

Python, JavaScript, SQL, NoSQL, FastAPI, Django, Node.js, Databricks, AWS SageMaker, React, Next.js, TailwindCSS, AWS, GCP, Azure, CI/CD, APIs, Data APIs, Model endpoints, RAG pipelines

Save

Mark Applied

Hide

Software Developer (Virtual, Full Time)

Jersey City, New Jersey, United States

$100k-$120k/yr RemoteFull Time

WealthCounsel: Providing legal document automation and practice management software solutions.

3+ YOE3+ years in software development with JavaScript/TypeScript/Python; BS in CS or equivalent; experience with CI/CD, Git, SQL/NoSQL; front-end knowledge.

JavaScript, TypeScript, Python, SQL, NoSQL, Git, AWS, Vue.js, React, Angular

1mo

Save

Mark Applied

Hide

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

1mo

Save

Mark Applied

Hide

1mo

Staff Software Engineer, Payer

New York or San Francisco or Seattle

$224k-$280k/yr RemoteFull Time

Headway: Network connecting patients to therapists accepting health insurance.

Experience across the stack; senior-level with ML/LLM systems preferred; strong collaboration, shipping features, and product focus.

Python, TypeScript, FastAPI, React, Remix, Next.js, React Aria, AWS, Spark, Kafka, Datadog, PagerDuty, Sentry, GitHub

Save

Mark Applied

Hide

Avionics Software Engineer III

Hauppauge, New York, United States

$73k-$105k/yr OnsiteFull Time

ENSCO: Provides engineering, science and advanced technology solutions for mission-critical operations.

3+ YOEBachelor's or equivalent with 3+ years related experience; C, Linux shell scripts; formal requirements and test procedures; HW/SW debug; strong communication; U.S. citizenship; ability to obtain security clearance.

VectorCast, Green Hills, DOORS, Python, Lab environment, HW/SW debug, C, Linux

1mo

Save

Mark Applied

Hide

1mo

Security Software Engineer, Infrastructure Security (Staff or Senior)

New York City or San Francisco or Toronto

$127k-$249k/yr HybridFull Time

MongoDBNASDAQ: MDB: Cloud-based document database platform for software application development.

5+ YOE5+ years in software or site reliability engineering; proficient in at least one language (Java, Golang, Rust, Python, or C/C++); experience with Terraform; strong Linux and networking knowledge; cloud security experience; Kubernetes security tools.

Terraform, Linux, Kubernetes, eBPF, RBAC, OPA/Gatekeeper, Kyverno, Falco, Tetragon, seccomp, AppArmor, SELinux

Save

Mark Applied

Hide

Software Development Engineer in Test (SDET)

Shelton, Connecticut, United States

$103k-$128k/yr OnsiteFull Time

Subway: Global provider of franchised quick-service sandwiches and salads.

4+ YOE4–7 years in software testing/automation; strong programming; CI/CD experience; API/UI testing; Agile environment.

Selenium, Cypress, Playwright, REST-assured, Postman, Java, JavaScript, Python, C#

Save

Mark Applied

Hide

Software Development Engineer in Test (SDET)

Jersey City, New Jersey, United States

RemoteFull Time

Tradeweb MarketsNasdaq: TW: Operates electronic marketplaces for fixed income and derivatives trading.

7+ YOE7+ years QA in financial services, SDET with test automation, skilled in JS frameworks, SQL, Python, CI/CD, Linux; experience in trading environments preferred.

Selenium, Cypress, Playwright, WebdriverIO, GitLab CI, Jenkins, Git, Python, SQL, Chrome DevTools

Save

Mark Applied

Hide

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

Save

Mark Applied

Hide

Senior Software Engineer - Deep Learning Compiler CI Infrastructure

Santa Clara or Hillsboro or New York or Seattle

$140k-$224k/yr OnsiteFull Time

NVIDIANASDAQ: NVDA: Designs GPU-accelerated computing and artificial intelligence hardware.

5+ YOE5+ years CI/CD design/ops; strong Python; experience building end-to-end CI platforms; AI/LLM systems in engineering workflows.

GitLab CI, GitHub Actions, Jenkins, Python, CI/CD, MLIR, LLVM, XLA, Triton, Kubernetes, Slurm

Save

Mark Applied

Hide

Software Engineer II

Totowa, New Jersey, United States

$87k-$147k/yr OnsiteFull Time

BAE SystemsLondon Stock Exchange: BA.: Produces advanced defense, aerospace, and information security systems.

2+ YOEBS in CS or CE with 2+ years software development; 2+ years of test engineering preferred; experience with C++, C#, Python; RTOS (RedHat/RTLinux); hands-on integration testing.

C++, C#, Python, RedHat, RTLinux, TestStand, LabView

2mo

Save

Mark Applied

Hide

2mo

Software Engineering

New York, New York, United States

$170k-$200k/yr RemoteFull Time

MicrosoftNASDAQ: MSFT: Develops software, hardware, and cloud computing services.

2+ YOEBachelor’s or foreign equivalent degree in Computer Science or related field; 2+ years software development experience; strong Python, Git, CI/CD, multi-threaded programming, distributed systems, scripting, and cloud development skills.

Python, Git, CI/CD, Multi-threaded programming, Distributed Systems, Scripting, Cloud Development

2mo

Save

Mark Applied

Hide

2mo

Sr Principal Software Engineer - Full Stack (Ridgefield, CT, United States, Connecticut)

Ridgefield, Connecticut, United States

$140k-$222k/yr OnsiteFull Time

Boehringer Ingelheim: Develops and manufactures pharmaceuticals for human and animal health.

7+ YOEExtensive full-stack experience with React, Python/TypeScript/Go, REST APIs; OpenShift; CI/CD; 7+ yrs experience; BS/MS in CS/MIS or related field.

React, Vite, React Native, Swift, Kotlin, Python, TypeScript, Go, REST, OpenShift, Jenkins, Docker, Kubernetes, Copilot, Cursor

Save

Mark Applied

Hide

Lead Sr Staff Software Engineer - Front End Fundamentals

Bellevue or Boulder or Chicago or Denver or Irvine or Los Angeles or New York or San Francisco or San Jose or Seattle or Ventura

$166k-$305k/yr HybridFull Time

The Trade DeskNASDAQ: TTD: Cloud-based programmatic advertising platform for data-driven media buying.

13+ YOE1+ MgmtSenior frontend leadership role requiring 13+ years of software development, 1+ year of people management, strong TypeScript/JavaScript or other languages, cloud and distributed systems experience, and mentoring.

TypeScript, JavaScript, C#, Java, C, C++, Python, SQL, Scala

Save

Mark Applied

Hide

Senior Software Engineer

New York, New York, United States

$170k-$250k/yr HybridFull Time

Clear Street: Cloud-native capital markets platform for institutional trading and clearing.

5+ YOE5+ years backend engineering; proficiency in Python/Java/Go/Rust/Node.js; distributed systems; databases; cloud platforms; crypto/DeFi experience.

Python, Java, Go, Rust, Node.js, AWS, GCP, Azure, PostgreSQL, MongoDB, Kafka, RabbitMQ

1mo

Save

Mark Applied

Hide

1mo

Founding Full-Stack Software Engineer

New York City, New York, United States

$150k-$220k/yr RemoteFull Time

Clipbook: AI platform for media monitoring and communications intelligence.

2+ YOE2–10+ years of relevant engineering experience; proficient with web technologies (Next.js, JavaScript/TypeScript, React); strong cloud, containerization, and API development experience; strong product sense and ownership.

Next.js, TypeScript, React, Python, Node, SQL, NoSQL

2mo

Save

Mark Applied

Hide

2mo

Staff Software Engineer, Sponsored Results

New York, New York, United States

$180k-$265k/yr HybridFull Time

Zocdoc: Online marketplace for finding and booking medical appointments.

Backend-focused engineer; scale distributed services, data pipelines, and model-serving infra; collaborate across product, data science, and infra; mentor engineers and uphold code quality.

AWS, Python, APIs, Data Pipelines, Model Serving, GenAI