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99 api engineer jobs at 44 companies in Hartford, CT

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Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
Help us #BeatIndeed & #BeatLinkedIn
1mo
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API / Integration Engineer - AI Reliability Engineering
Pittsfield, Massachusetts, United States
$119k-$131k/yr RemoteFull Time
General Dynamics Mission Systems
General Dynamics Mission SystemsNYSE: GD: Designs and manufactures defense and mission-critical technology solutions.
3+ YOEBachelor’s or Master’s in CS/Engineering with 3-5+ years of experience; production API integrations; Python/Java; REST APIs; data pipelines; CI/CD; security clearance.
Python, Java, REST, APIs, Data pipelines, Docker, CI/CD, AWS, Azure, GCP, Snowflake
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2mo
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Senior Healthcare API Integration Quality Engineer
Bloomfield or Franklin
$53k-$93k/yr OnsiteFull Time
Cognizant
CognizantNASDAQ: CTSH: Provides IT consulting and technology services to global enterprises.
5+ YOE5+ years end-to-end API/integration quality engineering; strong API testing; HL7 FHIR; Postman; Jira; Agile/SAFe; healthcare data.
Postman, Jira, Playwright, CI/CD
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2mo
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Senior API Integration Quality Engineer – Healthcare
Bloomfield or Franklin
$53k-$93k/yr OnsiteFull Time
Cognizant
CognizantNasdaq: CTSH: Provides global information technology and business process outsourcing services.
5+ YOE5+ years in end-to-end or integration quality engineering; strong API testing; HL7 FHIR expertise; Jira; Agile/SAFe; REST APIs in complex integrations.
Postman, Jira, Playwright, CI/CD
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1mo
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Third Party API - Technical Lead
Hartford or Columbus or Charlotte or Chicago
$135k-$203k/yr HybridFull Time
The Hartford
The HartfordNYSE: HIG: Provides business and personal insurance, group benefits, and investments.
8+ YOE8+ years software engineering/integration/API experience, 3+ years as a technical lead/product owner, RESTful API design, API gateways and security (OAuth, JWT, mTLS), cloud (AWS preferred), SAFe Agile, AI familiarity, strong communication, US work authorization required.
API gateways, OAuth, JWT, mTLS, AWS, SAFe Agile, AI
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1mo
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Agentic Solutions Engineer
Shelton, Connecticut, United States
HybridFull Time
BMG360
BMG360: Performance-focused marketing agency driving client growth.
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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2w
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Sr. Engineering Systems Engineer
Plainville or Boxborough
HybridFull Time
Ralliant
RalliantNew York Stock Exchange: RAL: Sells precision instruments and sensors for diverse industrial sectors.
7+ YOEAssociate's or Bachelor's in Engineering (or equivalent experience),7+ years in engineering systems/CAD/PDM/PLM in manufacturing, SolidWorks and PDM administration experience, exposure to Altium/ECAD, workflow and data integration expertise.
MCAD, ECAD, PDM, PLM, SolidWorks, Altium, ERP, PIM, APIs
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1mo
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Mechanical Reliability Engineer (Springfield, MA, US, 01151)
Springfield, Massachusetts, United States
$76k-$105k/yr OnsiteFull Time
Eastman
EastmanNYSE: EMN: Manufactures specialty chemicals, plastic materials, and synthetic fibers.
3+ YOEBachelor’s Degree in Mechanical Engineering; 3+ years in manufacturing; experience with reliability engineering; familiarity with ASME/API/ANSI; rotating equipment; mechanical integrity; SAP Maintenance; AutoCAD; PSM knowledge.
SAP Maintenance, AutoCAD, Rotating Equipment
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4d
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Engineer Senior/Spec/Prin - Communication Systems
Groton, Connecticut, United States
OnsiteFull Time
General Dynamics Electric Boat
General Dynamics Electric BoatNYSE: GD: Designs, builds, and maintains submarines for the U.S. Navy.
5+ YOEBS in EE/CE/CS,5+ years post-grad engineering experience,ability to obtain Secret clearance,experience with cloud-native,containerization,CI/CD and modern programming languages (Go,Rust,Python,Java).
Go (Golang), Rust, Python, Java, Platform as a Service (PaaS), CI/CD, APIs, containerization technologies, service orchestration, messaging frameworks
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2w
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Sr. Engineering Systems Engineer
Plainville or Boxborough
$92k-$171k/yr HybridFull Time
Ralliant Corporation
Ralliant CorporationNYSE: RAL: Global provider of precision instruments, sensors, and monitoring solutions.
7+ YOE7+ years designing or administering CAD/PDM/PLM systems, defining NPI/ECO/configuration workflows, integrating MCAD/ECAD data, and driving engineering data governance across sites.
SolidWorks, Altium, MCAD, ECAD, PDM, ERP, PIM, APIs
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2w
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Development Engineer Software
Danbury, Connecticut, United States
$105k-$120k/yr OnsiteFull Time
Belimo
BelimoSIX Swiss Exchange: BEAN: Develops and manufactures control devices for HVAC 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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3w
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Engineer
Shelton, Connecticut, United States
$103k-$128k/yr OnsiteFull Time
Subway
Subway: Global restaurant chain specializing in made-to-order submarine sandwiches.
2+ YOE2–5 years software engineering experience; proficiency with JavaScript, Node.js, ReactJS, and React Native; knowledge of REST APIs, databases, OOP, and version control; strong problem-solving and collaboration skills; bachelor's degree or equivalent.
JavaScript, Node.js, ReactJS, React Native, REST APIs, CI/CD
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2mo
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Data Engineer II (AWS, Databricks, SQL, GenAI)
Hartford or St. Paul or Hunt Valley
$127k-$209k/yr HybridFull Time
Travelers
TravelersNYSE: TRV: Provide property and casualty insurance for individuals and businesses.
8+ YOEEight years of related experience in data engineering; Bachelor's degree in STEM field; strong experience with AWS, Databricks, SQL, GenAI; API development; data governance and security.
AWS, Databricks, SQL, GenAI, DBT, Unity Catalog, Databricks Genie, Ab Initio, Snowflake, Claude Code, Teradata, API development
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2w
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Layer 7 Senior Engineer
Union, Connecticut, United States
$100k-$120k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
6+ YOE6+ years experience administering Broadcom CA Layer 7 API Gateway, API security (OAuth2, JWT), CI/CD integration, cloud and container knowledge, and API monitoring/troubleshooting.
Broadcom CA Layer 7, OAuth2, JWT, SSL/TLS, Jenkins, GitHub Actions, AWS, GCP, Docker, Kubernetes, Splunk, ELK, Apigee, Kong, NGINX Controller
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1w
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Senior Sales Engineer - Enterprise
Boston or Charlotte or Hartford or New Haven or New York or Raleigh or United States
$194k-$291k/yr HybridFull Time
Amplitude
AmplitudeNasdaq: AMPL: Develops digital analytics software for tracking customer product behavior.
5+ YOE5+ years in software pre-sales, hands-on SQL and technical skills (Python, APIs, R), track record closing enterprise deals, strong communication and business acumen.
Python, SQL, APIs, R, Google Analytics 4, Adobe Analytics, Mixpanel, Tableau, Looker, Power BI
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4w
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Full Stack Software Engineer
Hartford or Irving or New Jersey or Connecticut or United States
OnsiteFull Time
EXL
EXLNASDAQ: EXLS: Provides data analytics and digital operations solutions to businesses.
6+ YOE6+ years software development experience building enterprise web/cloud applications with React, TypeScript, Python (Django/Flask/FastAPI), API development, GCP/GKE, Kubernetes, CI/CD, PostgreSQL/MongoDB; Bachelor's degree in relevant field.
React, TypeScript, Django, Python, FastAPI, Spring Boot, OAuth, PostgreSQL, MongoDB, Kubernetes, CI/CD, RESTful, APIs, SQL, NoSQL, Google Cloud Platform (GCP), GKE, Azure, AWS, HTML5, CSS, JavaScript, jQuery, Bootstrap, Flask, Maven, Jenkins, Figma, BigQuery
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1mo
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Integration Engineer II (Webster, MA, US)
Webster, Massachusetts, United States
$100k-$125k/yr OnsiteFull Time
MAPFRE
MAPFREBolsa de Madrid: MAP: Provides global insurance, reinsurance, and financial protection services.
3+ YOEBachelor's in CS/IT/Software Engineering required, 3+ years software development experience, API Management and microservices experience, 2+ years with REST/SOAP/MQ and Java/J2EE/Spring, familiarity with Oracle or SQL Server.
Java, J2EE, JSON, WSDL, XML, Spring, Spring Boot, Spring MVC, Oracle, SQL Server, RESTful, SOAP, MQ, JAX-RS, RabbitMQ, Kafka, ActiveMQ, MongoDB, DynamoDB, Eclipse, Git, Gradle, Sonar, Jenkins, Jira, Artifactory, AWS, Google, Azure, API Management, Microservices
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4w
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Drupal and Integrations Developer
Northampton, Massachusetts, United States
$98k-$133k/yr OnsiteFull Time
Smith College
Smith College: Provides undergraduate and graduate liberal arts education for women.
5+ YOEBachelor's in CS/Engineering required; 5+ years Drupal backend and integrations experience; knowledge of Drupal 10+, REST APIs, JSON, OAuth; proficiency with Drupal, JavaScript, PHP, Composer, and Git; preferred master's and 8+ years with WordPress and API/ETL work.
Drupal 10+, REST APIs, JSON, OAuth, Salesforce, Slate, Workday, Technolutions Slate CRM, JavaScript, React, PHP, Composer, Git, GA4, Pantheon, WordPress, Salesforce Marketing Cloud, CI/CD, ETL
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2d
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Senior Software Development Engineer - Microservices
Hartford, Connecticut, United States
$102k-$204k/yr HybridFull Time
CVS Health
CVS HealthNYSE: CVS: Provides retail pharmacy, health insurance, and pharmacy benefit management services.
5+ YOE2+ Mgmt5+ years software engineering, 2+ years technical lead experience; strong Python and API framework skills; experience with microservices, GCP, Kubernetes/GKE, Docker, CI/CD, Kafka, BigQuery/BigTable/SQL; hands-on GenAI/LLM/RAG/Agentic AI and prompt engineering.
Python, FastAPI, Flask, Google Cloud Platform (GCP), Kubernetes (GKE), Docker, CI/CD, GitHub, Kafka, BigQuery, BigTable, SQL, Gemini, Vertex AI, OpenAI, Claude
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3w
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Testing and Automation Engineer
Shelton, Connecticut, United States
$103k-$128k/yr OnsiteFull Time
Subway
Subway: Operates a global chain of quick-service sandwich restaurants.
3+ YOE3+ years testing/quality engineering experience; proficiency in test automation (UI/API/backend), performance testing, AI-assisted testing, CI/CD, and basic scripting in Java/JavaScript/Python/C#.
JMeter, Gatling, k6, Locust, Selenium, Cypress, Playwright, REST-assured, Postman, Java, JavaScript, Python, C#, CI/CD
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2w
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Senior Software Engineer
Glendale or Bristol
$149k-$199k/yr HybridFull Time
The Walt Disney Company
The Walt Disney CompanyNYSE: DIS: Produces movies, operates theme parks, and provides streaming services.
5+ YOE5+ years industry experience; proficiency in Java/Kotlin/Python/JavaScript, microservices, REST APIs, AWS (S3,Lambda,EC2), databases, Kafka; BS in CS preferred.
Java, Kotlin, Python, JavaScript, AWS, S3, Lambda, EC2, SQL, MongoDB, OpenSearch, Apache Kafka
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