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1,238 mid level software engineer jobs at 611 companies in Fairfield, CT

3mo
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Mid-Level Software Engineer - USA
United States or Mountain View or New York City or Dallas or Miami or Chicago
HybridFull Time
Cognify Analytics
Cognify Analytics: A technology delivering scalable software solutions.
3+ YOE3–6 years of software development; proficient in multiple languages; strong frontend and backend framework experience; cloud, containers, CI/CD; familiar with AI/ML integration.
React, Next.js, Node.js, Spring Boot, FastAPI, Django, Flutter, AWS, Azure, GCP, Docker, Kubernetes, Terraform, Pulumi, CloudFormation, Kafka, RabbitMQ, SQS, Datadog, Grafana, Prometheus, OpenTelemetry, PostgreSQL, MongoDB, Redis, DynamoDB, Elasticsearch, GraphQL, gRPC, WebSocket, GitOps, OAuth 2.0, JWT, RBAC
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3mo
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Mid/Senior/Staff Software Engineer, Agents
New York, New York, United States
$165k-$312k/yr OnsiteFull Time
Harvey
Harvey: AI platform for legal research and document analysis.
3+ YOE3+ years software engineering experience; Python proficiency; experience with LLM APIs and agent frameworks; shipping user-facing products; mid to staff levels.
Python, LLM APIs, Agent Frameworks
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1mo
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Software Engineer (Junior to Mid Level)
Gothenburg or New York City
HybridFull Time
Burt Intelligence
Burt Intelligence: SaaS analytics platform for digital advertising sales and operations.
Strong programming ability, curiosity, and problem solving; familiarity with Git, Ruby, Python, Java, AWS, SQL, and TypeScript is beneficial; ability to learn quickly and work cross-functionally on data and product problems.
Git, Ruby, Python, Java, AWS, SQL, TypeScript
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3w
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Associate Software Engineer
New York City, New York, United States
OnsiteFull Time
Infinite Computer Solutions
Infinite Computer Solutions: Provides digital engineering and IT transformation services for enterprises.
4+ YOEGraduate-level education and 4–8 years of software engineering experience.
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2w
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Mid-Level Electrical Engineer (Generation)
Boise or Meridian or Seattle or Houston or Oradell or Mount Laurel or Overland Park or Atlanta
$86k-$151k/yr OnsiteFull Time
WSP
WSPToronto Stock Exchange: WSP: Provides engineering, design, and environmental consultancy services globally.
5+ YOEBachelor's in Electrical Engineering, 5+ years experience, EIT, proficiency with power system design, codes, and discipline-specific software; ability to lead projects and mentor junior staff.
CADD, Aspen, CAPE, ETAP, AutoCADD
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3mo
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Software Engineer, III
Englewood Cliffs, New Jersey, United States
RemoteFull Time
Blue Sage Solutions
Blue Sage Solutions: Provides cloud-based digital mortgage lending and servicing software platforms.
3+ YOE3+ years of experience in software development, with mortgage software domain, API integrations, and pricing engine work.
AWS, Azure, GCP, Docker, Lambda, Step Functions, SNS, SQS
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3mo
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Software Engineer
New York or Washington or Austin
$150k-$195k/yr HybridFull Time
Method Financial
Method Financial: Connects financial accounts and processes debt payments via API.
3+ YOE3+ years of full-time software engineering; full-stack experience; Node/JS, React, MongoDB/NoSQL; strong communication; balance speed with quality; fintech awareness.
Node.js, React, MongoDB, AWS, Cloudflare, CI/CD
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1w
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Software Engineer, Robotics
Austin or New York City or San Francisco or Seattle
$269k-$317k/yr OnsiteFull Time
Fluidstack
Fluidstack: Provides high-performance cloud GPU infrastructure for AI development.
Experience shipping production robotics/autonomy software, ROS or equivalent middleware experience, engineering for remote failure, integrating robot systems with enterprise software, and debugging hardware-software boundaries.
ROS, C++, Python, Go, Gazebo, Isaac
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1mo
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Software Engineer
New York, New York, United States
$150k-$175k/yr HybridFull Time
Allara
Allara: Provides longitudinal virtual care for women's hormonal conditions.
3+ YOE3-10 years of software engineering; strong Python/TypeScript/JavaScript; full-stack development; REST APIs; SQL/NoSQL; AWS; collaborative team player; eager to learn.
Python, TypeScript, JavaScript, React, Next.js, AWS, REST APIs, SQL, NoSQL
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3mo
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Software Engineer
New York, New York, United States
OnsiteFull Time
Current
Current: Provides a mobile fintech platform for consumer banking services.
2+ YOE2+ years of software engineering with backend experience on JVM, BS in CS/EE or related field, strong algorithms/DS, experience with databases, cloud-hosted services, and strong communication.
Java, Scala, MongoDB, Spanner, BigQuery, Pub/Sub, Dataflow, Kubernetes, AWS, Google Cloud Platform, SQL, NoSQL
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1mo
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Software Engineer
New York or London
HybridFull Time
ArcSpan Technologies
ArcSpan Technologies: Provides an AI-powered audience monetization platform for digital publishers.
4+ YOE4+ years software engineering experience in AdTech/MarTech, strong Python/Java/JavaScript/SQL skills, cloud experience (AWS/Azure/GCP), programmatic advertising domain knowledge, Agile familiarity.
AWS, Azure, Google Cloud Platform, Python, Java, JavaScript, SQL, NoSQL, S3, Lambda, Cloud Functions, Fargate, Cloud Run, CloudFront, CDN, GitHub Copilot
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1w
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Software Engineer
New York, New York, United States
$130k-$170k/yr HybridFull Time
Tower Research Capital
Tower Research Capital: Global quantitative trading firm developing automated algorithmic strategies.
3+ YOE3–5 years software engineering experience, strong Python and SQL skills, experience with data workflows/ETL, web/backend development, Linux/Git, debugging, and working with AI-enabled tools.
Python, SQL, Linux, Git, Vue.js, Docker, Kubernetes, GitLab CI/CD, Django, Flask, FastAPI, FPGA, Model Context Protocol (MCP), retrieval-augmented generation (RAG)
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1mo
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Software Engineer
United States or Canada or Toronto or New York City
$150k-$185k/yr RemoteFull Time
FutureFit AI
FutureFit AI: Provides AI-powered career navigation and workforce development software solutions.
3+ YOE3+ years full-stack experience (mid) or 6+ (senior); deep TypeScript fluency; React, Node.js; data modeling, API design, cloud deployment experience; strong communication and judgment.
React, TypeScript, Node.js, PostgreSQL, MongoDB, AWS, Slack, Jira, Figma
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6d
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Software Engineer
New York, New York, United States
$130k-$150k/yr HybridFull Time
Man Group
Man GroupLondon Stock Exchange: EMG: Global alternative investment management firm serving institutional clients.
Experienced software engineer with strong Python on Linux, scientific stack (NumPy/SciPy/Pandas/scikit-learn), web/dev skills, AI/LLM experience, Kubernetes and Airflow familiarity; strong analytic and communication skills.
Python, Linux, NumPy, SciPy, Pandas, scikit-learn, Kubernetes, Airflow, C#, .NET, React, Streamlit, FastAPI, Django, ArcticDB, Microsoft Excel
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1mo
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Software Engineer | Various Levels
San Francisco or New York City or North America
$125k-$225k/yr HybridFull Time
Forage
Forage: Builds infrastructure enabling online SNAP EBT payments.
3+ YOEBachelor's or equivalent experience, 3+ years professional software engineering experience, production software and cloud (AWS) experience, strong system design/testing/debugging skills, and strong communication.
Python, Django, TypeScript, React, React Native, HTML/CSS, REST APIs, Distributed systems, AWS cloud services, CI/CD
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3w
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Software Engineer, Simulation
New York City, New York, United States
HybridFull Time
Bedrock Robotics
Bedrock Robotics: Automates heavy construction machinery with AI retrofit kits.
4+ YOE4+ years software engineering experience, strong C++ skills, 2+ years with 3D engines or simulation frameworks, familiarity with ML-driven autonomy and physics-based simulation.
C++, Unreal Engine, Unity, Godot, Blender, Gazebo, Isaac Sim, Rust, NeRFs
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2mo
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FAST Software Engineer
Brooklyn, New York, United States
OnsiteFull Time
Priority Cares Home Services
Priority Cares Home Services: Home care services agency focused on compassionate, person-centered care.
4+ YOE4+ years software engineering, full-stack web, Agile, Git/Jira/Azure DevOps/Trello, secure/mobile integration.
Git, Jira, Azure DevOps, Trello
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3mo
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Software Engineer, Growth
New York City, New York, United States
OnsiteFull Time
Garage
Garage: Marketplace for buying and selling specialized emergency vehicles and equipment.
2+ YOE2+ years software engineering experience; AI-native mindset; proven ability to ship at scale; systems thinking; customer-facing aptitude.
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2w
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Software Engineer, Data Infrastructure
United States or New York City or Berkeley
$235k-$300k/yr RemoteFull Time
The Voleon Group
The Voleon Group: Quantitative investment management firm using machine learning strategies.
3+ YOEBachelors in CS/Engineering (or equivalent), 3+ years software engineering experience, strong software design skills, expertise in a modern language (Python, Go, Java, C++), Linux development, and large-scale system design.
Python, Go, Java, C++, Linux/UNIX, Kubernetes, Docker, Iceberg, BigQuery, Snowflake, DynamoDB, Trino, Athena, Airflow, Slurm
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3mo
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Software Engineer (Elixir)
New York, New York, United States
$120k-$140k/yr HybridFull Time
Level All
Level All: Provides digital college and career readiness tools for students.
5+ years software engineering; 4+ years Elixir; OTP; Phoenix and LiveView; API design; relational DB (PostgreSQL); strong testing culture; product mindset.
Elixir, Phoenix, LiveView, Ash, TypeScript, Tailwind, PostgreSQL
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