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323 api engineer jobs at 129 companies in Connecticut

1mo
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AVP, API Engineer
Alpharetta or Charlotte or Stamford
$115k-$200k/yr RemoteFull Time
Synchrony
SynchronyNYSE: SYF: Public U.S. consumer financial services providing credit cards, financing, and banking products to consumers and businesses.
6+ YOE8+ years software engineering experience (or HS+10yrs), 6+ years application development, Spring Boot/Spring Cloud, microservices, API design, CI/CD, cloud/PCF, strong problem-solving and communication skills.
SAFe, PCF, Cloud Native Application Architecture, Microservices, J2EE, Spring Boot, Spring Cloud, Spring Java, RESTful APIs, SOAP, Jenkins, Bitbucket, uDeploy, Splunk, MySQL, SQL, Gemfire, JSON, XML, GitHub Copilot
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Full Stack Developer (.NET API) - Senior Software Engineer
Stamford, Connecticut, United States
OnsiteFull Time
Information Services Group
Information Services GroupNasdaq: III: Global AI-centered technology research and advisory firm serving commercial and public-sector clients.
6+ YOEBachelor's in computer science or related field, 6+ years full-stack experience with .NET Core API, Angular and SQL Server, strong C#/Web API and front-end (HTML/CSS/JavaScript) skills, REST API experience, communication and leadership abilities.
Angular, .NET Core, SQL Server, C#, Web API, HTML, CSS, JavaScript, Microsoft Azure, Git
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2mo
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Circle Lead Engineer (CLE) - Personal Insurance
Hartford, Connecticut, United States
$154k-$254k/yr OnsiteFull Time
Travelers
TravelersNYSE: TRV: A leading provider of property and casualty insurance.
7+ YOE2+ MgmtBachelor's in CS or related STEM,7+ years software engineering,2+ years technical leadership,expertise in Python,JavaScript/TypeScript,React,AWS/CDK,Terraform,Jenkins,API development,Github,and AI/GenAI.
Python, JavaScript, TypeScript, React, AWS, CDK, Terraform, Jenkins, API Development, GitHub, AI/GenAI
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3w
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Forward Deployed Engineer
Morrisville or Chicago or Raleigh or California or Colorado or Connecticut or District of Columbia or Hawaii or Illinois or Maryland or Massachusetts or Minnesota or Nevada or New Jersey or New York or Oregon or Rhode Island or Washington
$180k-$220k/yr HybridFull Time
Lenovo
LenovoHKSE: 992: Global technology delivering Smarter Technology for All.
5+ YOERequires 5+ years in software engineering, solutions engineering, applied AI, or related technical work; experience deploying AI solutions, LLMs, retrieval architectures, agents, enterprise APIs, and workflow platforms.
Microsoft Copilot Studio, Azure OpenAI, Microsoft 365, Microsoft Power Platform, ServiceNow, Python, JavaScript
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2w
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Knowledge Engineer - Back End
Albany or Arlington or Atlanta or Austin or Beaverton or Bentonville or Boston or Carmel or Charlotte or Chicago or Cincinnati or Cleveland or Columbus or Culver City or Denver or Des Moines or Detroit or Hartford or Houston or Irving or Kirkland or Miami or Milwaukee or Minneapolis or Morristown or Mountain View or Nashville or New York City or Oklahoma City or Overland Park or Philadelphia or Pittsburgh or Raleigh or Redmond or Sacramento or San Diego or San Francisco or Scottsdale or Seattle or St. Louis or St. Petersburg or Walnut Creek or United States
$26-$94/hr HybridFull Time
Accenture
AccentureNYSE: ACN: Global professional services delivering 360° value.
3+ YOERequires 3+ years in knowledge graph hydration, ontology mapping, graph and relational databases, vector databases, Python or Java, REST APIs, and a bachelor's degree or equivalent experience.
R2RML, SPARQL, StarDog, GraphWise, Neo4J, Elasticsearch, OpenSearch, SQL, PostgreSQL, MySQL, SQL Server, Pinecone, Weaviate, Milvus, Qdrant, Python, Java, REST API, Docker, Kubernetes, GraphQL, D3.js, Cytoscape.js, AWS Neptune, Azure Cosmos DB, Kafka, RabbitMQ, Terraform, Helm
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Sr. Quality Engineer
United States or Alabama or Arizona or California or Colorado or Connecticut or Florida or Georgia or Idaho or Illinois or Indiana or Iowa or Kansas or Louisiana or Maryland or Massachusetts or Michigan or Minnesota or Missouri or Mississippi or North Carolina or Nebraska or New Jersey or Nevada or New York or Ohio or Oklahoma or Oregon or Pennsylvania or South Carolina or Tennessee or Texas or Utah or Virginia or Washington or Wisconsin or Wyoming
$120k-$130k/yr RemoteFull Time
Storable
Storable: Technology providing integrated management software, websites, payments, and services to self-storage, marine, RV, and campground operators.
5+ YOE5+ years QA/quality engineering experience, strong test strategy, API and data validation, SQL, CI/CD familiarity, test automation experience, and practical use of AI-assisted tools.
Cypress, Selenium, TestNG, Cucumber/Gherkin, SQL, GitHub, GitLab, Jira, Confluence, Node.js, TypeScript, JavaScript, Codex, Claude Code, Cursor, GitHub Copilot, ChatGPT
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1mo
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Engineer - Network
Orange, Connecticut, United States
$106k-$133k/yr OnsiteFull Time
Avangrid, Inc.
Avangrid, Inc.: U.S. energy and utility serving homes and businesses through regulated networks and renewable power generation.
2+ YOEBachelor's or equivalent and 2+ years network engineering experience; knowledge of routing, switching, firewalls, SD‑WAN, VPNs, DNS/DHCP, cloud networking; CCNA or Fortinet NSE preferred; automation exposure (Python, Ansible).
Fortinet SD‑WAN, Fortinet, Palo Alto, Check Point, BGP, OSPF, VLANs, Layer 2/Layer 3, IPSec, SSL, DNS, DHCP, SNMP, Python, APIs, Ansible, Azure, AWS
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1w
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Principal Engineer-Annuity Platforms and Transformation
Bethlehem or Stamford or New York City or Holmdel
$127k-$208k/yr HybridFull Time
The Guardian Life Insurance Company of America
The Guardian Life Insurance Company of America: Mutual insurer providing life, disability, dental, and workforce benefits.
10+ YOEBachelor’s degree and 10+ years of software engineering experience. Requires enterprise platform leadership, insurance or annuity systems experience, API/event-driven architecture, cloud-native AWS development, and modern engineering tools.
Java, Spring Boot, .NET, Node.js, React, TypeScript, Next.js, Amazon Web Services (AWS), Amazon SNS, Amazon SQS, Apache Kafka, Amazon S3, OpenAPI, Swagger, Git, Jenkins, GitHub Actions, OAuth 2.0, JSON Web Token (JWT), Splunk, AppDynamics, JSON, XML, ALIP, ACORD, IRI Digital First, ACORD NGDS, DTCC Insurance & Retirement Services
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2mo
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Agentic Solutions Engineer
Shelton, Connecticut, United States
HybridFull Time
BMG360
BMG360: Performance marketing agency helping insurance, home-services, and other brands acquire customers through multichannel campaigns.
3+ YOE3+ years backend/full-stack engineering with expert Python and strong TypeScript/React skills; experience building REST/GraphQL APIs, Django/DRF, Celery/Temporal, PostgreSQL, MCP protocol familiarity, and cloud (AWS/GCP).
Model Context Protocol (MCP), REST, GraphQL, Python, TypeScript, JavaScript, Django, Django REST Framework (DRF), React, React-Admin, FastAPI, Celery, Temporal, Pydantic, httpx, pytest, Node.js, PostgreSQL, Snowflake, WebSockets, SSE, OAuth2, JWT, OpenAPI, Swagger, Redoc, AWS, GCP, Lambda, Cloud Run, S3, GCS, Docker, GitHub Actions, Flowise, LangChain, Claude, Anthropic, GA4, Meta, Google
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4d
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Senior Risk Engineer
New York City or London or Amsterdam or Stamford or Los Angeles or Boston or Tokyo or Milan or Texas or Maryland
$165k-$200k/yr OnsiteFull Time
Capstone Investment Advisors
Capstone Investment Advisors: Private global asset manager serving investors with derivatives-based and complementary investment strategies.
7+ YOERequires 7+ years in software engineering, quantitative development, or risk technology in capital markets; advanced Python, Java, and SQL; derivatives and cross-asset risk expertise; and production systems ownership.
Python, Java, SQL, APIs, machine learning, large language models, AI, cloud infrastructure, containers, CI/CD, streaming
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2mo
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Gen AI Infrastructure Engineer
Woodbridge or New York City or Atlanta or Boston or Chicago or Dallas or Delaware or Denver or Garden City or Cayman Islands or Greenwich or Houston or Los Angeles or Miami or Naples or Nevada or Palm Beach or San Diego or San Francisco or Seattle or Stuart or Washington
$160k-$200k/yr HybridFull Time
Bessemer Investors
Bessemer Investors: Privately owned family office providing investment management, wealth planning, and family-office services to high-net-worth individuals and families.
7+ YOE7+ years in DevOps/platform/cloud infrastructure engineering; strong AWS (IAM, CloudFormation, Lambda, API Gateway, VPC, CloudWatch, SSM, Secrets Manager, ECR); AWS CDK/CloudFormation/Terraform; CI/CD (Bitbucket/GitHub Actions, OIDC); container and datastore operations; security fundamentals.
AWS Bedrock, AgentCore, Lambda, API Gateway, AWS CDK, CloudFormation, Terraform, Bitbucket Pipelines, GitHub Actions, OIDC, IAM, VPC, CloudWatch, SSM, Secrets Manager, ECR, Neo4j, Neptune, Redis, Milvus, VectorDB
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2mo
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Sr AI Machine Learning Engineer
Hartford or Charlotte or Columbus or Chicago
$117k-$176k/yr HybridFull Time
The Hartford
The HartfordNYSE: HIG: Provider of property and casualty insurance and employee benefits.
5+ YOEMaster's degree or 5+ years' equivalent experience; US work authorization required. Experience with AWS/GCP, cloud deployments, API services, CI/CD (Jenkins), IaC (CloudFormation/Terraform), Python, git, Unix, MLOps, and workflow automation (Airflow/Autosys).
MLOps, AWS, GCP, API, Jenkins, CloudFormation, Terraform, Unix, git, Python, Apache Airflow, Autosys
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3w
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Lead Engineer, Integration
Tempe or Utah or South Carolina or Michigan or New Jersey or Oklahoma or Louisiana or Alabama or Virginia or Illinois or Kansas or Indiana or Connecticut or Kentucky or Missouri or North Carolina or New Mexico or Nevada or Ohio or Oregon or Pennsylvania or Tennessee or Texas or Washington or California or Colorado or Arkansas or Florida or Idaho or Georgia or Wyoming
HybridFull Time
Dutch Bros
Dutch BrosNYSE: BROS: Drive-thru beverage focused on community and connection.
10+ YOEBachelor's degree in a related field or 10 years of related experience; expertise in APIs, Kafka, cloud platforms, microservices, ETL/ELT, Kubernetes, governance, security, CI/CD, DevOps, and infrastructure as code.
RESTful, SOAP, AWS, Azure, Talend, Informatica, Matillion, Workato, Kafka, Kafka Streams, KSQL, Schema Registry, Kafka Connect, Kubernetes, ETL, ELT, DataOps, OAuth, JWT, API Gateway, CI/CD, DevOps, Terraform, Helm, Fivetran, MuleSoft, Boomi, GDPR, CCPA
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3w
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Software Engineer I
Columbus or Alaska or Alabama or Arkansas or Arizona or California or Colorado or Connecticut or Delaware or Florida or Georgia or Hawaii or Iowa or Idaho or Illinois or Indiana or Kansas or Kentucky or Louisiana or Massachusetts or Maryland or Maine or Michigan or Minnesota or Missouri or Mississippi or Montana or North Carolina or North Dakota or Nebraska or New Hampshire or New Jersey or New Mexico or Nevada or New York or Ohio or Oklahoma or Oregon or Pennsylvania or Rhode Island or South Carolina or South Dakota or Tennessee or Texas or Utah or Virginia or Vermont or Washington or West Virginia or Wisconsin or Wyoming
$82k-$101k/yr HybridFull Time
Cummins Inc.
Cummins Inc.NYSE: CMI: Global power leader in engines, powertrains, and energy solutions.
Bachelor's degree in computer science, engineering, or related field; software engineering experience preferred. Requires AWS, APIs, databases, cloud, Agile, testing, and distributed systems familiarity.
AWS, APIs, databases, telemetry, logging platforms, Microsoft Excel
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2w
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Senior HPC and Quantum Systems Engineer
Westford or Connecticut or New Hampshire or Massachusetts
$224k-$431k/yr HybridFull Time
NVIDIA
NVIDIANASDAQ: NVDA: Computing platform for AI and accelerated graphics.
12+ YOE12+ years operating production HPC infrastructure; bachelor's or master's in physics, engineering, or computer science; Linux, Slurm, data center, networking, storage, and quantum computing experience.
Linux, Slurm, CUDA-Q, cuQuantum, NVQlink, Qiskit, Cirq, PennyLane, Braket, APIs
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1d
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Java Engineer
Norwalk or New York
$130k-$160k/yr HybridFull Time
Priceline
Priceline: Booking Holdings-owned online travel agency serving travelers with discounted hotels, flights, rental cars, cruises, packages, and experiences.
5+ YOEBachelor’s degree in Computer Science or equivalent experience, 5+ years in software engineering, Core Java, SQL, Spring, web services, APIs, server-side JavaScript, Node.js, Git, and cloud experience.
Java, SQL, Spring Framework, Web Services, APIs, JavaScript, Node.js, Git, Gitflow, Microservices, Kubernetes, Docker, GCP, AWS
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1mo
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Development Engineer Software
Danbury, Connecticut, United States
$105k-$120k/yr OnsiteFull Time
Belimo Automation AG
Belimo Automation AGSIX: BEAN: Swiss HVAC field-device manufacturer developing, producing, and selling controls for energy-efficient heating, ventilation, and air-conditioning systems.
5+ YOEBSc/MSc in CS/EE or related,5+ years leading embedded software projects,experience with RTOS,Matlab/Simulink,Redfish REST API and data center protocols,knowledge of OCP security standards.
RTOS, Matlab, Simulink, Redfish REST API, Open Compute Project (OCP)
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5d
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Responsible AI Engineer
New York City or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or Cleveland or Oklahoma City or Austin or Albany or Chicago or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or San Francisco or Morristown or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Seattle or Houston or Arlington or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
$68k-$220k/yr HybridFull Time
Accenture
AccentureNYSE: ACN: Global professional services delivering 360° value.
3+ YOEBachelor's degree or equivalent experience, 3+ years developing AI and machine learning solutions, 3+ years with programming, frameworks, APIs, version control, databases, and cloud platforms; responsible AI experience preferred.
Python, R, Java, Scikit-learn, TensorFlow, PyTorch, Django, Flask, FastAPI, GitHub, Bitbucket, AWS, Azure, Google Cloud, Hadoop, Spark
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2mo
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Senior Solutions Engineer - West
San Francisco or California or Colorado or Connecticut or Nevada or New York or Rhode Island or Washington or United States or North America
$128k-$165k/yr HybridFull Time
OneTrust
OneTrust: Software helping businesses govern privacy, security, ethics, and AI responsibly.
8+ YOEBA/BS in CS or equivalent; 8+ years relevant enterprise cloud/software experience; expertise in demos, integrations, REST APIs, JavaScript, FreeMarker, HTML, CSS; Powershell/ASP.NET/C# a plus; Kubernetes/Docker/OpenShift preferred; Salesforce.com CRM; willingness to travel (~25%).
REST APIs, JavaScript, FreeMarker, HTML, CSS, Powershell, ASP.NET, C#, Kubernetes, Docker, OpenShift, Salesforce.com CRM
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2w
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Marketing Engineer — AI Enablement & Automation
United States or Logan or Alaska or Alabama or Arkansas or Arizona or California or Colorado or Connecticut or Florida or Georgia or Idaho or Illinois or Indiana or Kansas or Kentucky or Louisiana or Massachusetts or Maryland or Michigan or Minnesota or Missouri or Mississippi or North Carolina or New Hampshire or New Jersey or Nevada or New York or Ohio or Oklahoma or Oregon or Pennsylvania or Rhode Island or South Dakota or Tennessee or Texas or Utah or Virginia or Washington or Wisconsin or Wyoming
$140k-$160k/yr HybridFull Time
iFIT
iFIT: Private health-and-fitness technology providing connected workout software, content, and exercise equipment to consumers worldwide.
3+ YOE3+ years in technical marketing or data roles; strong Python and SQL; ad-platform API automation; agentic AI coding tools; AWS cloud fundamentals; U.S. work authorization without sponsorship.
Claude Code, Snowflake, GA4, SAP, AWS, Python, SQL, Meta, Google Ads, Reddit, Impact.com, Search Console, AWS Secrets Manager, Lambda, S3, IAM, dbt, BigQuery, MCP, n8n, Airflow, Step Functions, Branch, AppsFlyer
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