82 api engineer jobs at 46 companies in Barrington, NH
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Senior QA Engineer - Automation & API
Portsmouth, New Hampshire, United States
$109k-$125k/yrOnsiteFull Time
Service Credit Union: Member-owned cooperative providing personal banking and credit services.
5+ YOESenior QA Engineer focused on automation and API; strong experience with .NET, API testing, and CI/CD integration; 5+ years QA experience; bachelor’s in computer science or related field.
EatonNYSE: ETN: Intelligent power management delivering energy-efficient solutions.
5+ YOEBachelors in electrical or related field required; 5+ years designing and maintaining control systems; 3+ years PLC/HMI experience; experience with PLC protocols (RS-232, RS-485, Ethernet, SNMP, REST API), schematics, PID control, and firmware/PCBA work.
Optimizely: Provides a SaaS platform for digital marketing and experimentation.
3+ YOE3+ years customer-facing technical experience, programming in JavaScript/TypeScript/Python, API integration, RAG and embedding workflows, prompt engineering, troubleshooting, and strong communication skills.
JavaScript, TypeScript, Python, Optimizely AI (Opal), CMS, CMP, Web Experimentation, Feature Experimentation, ODP
NWN Carousel: Provider of AI-powered cloud communications and hybrid work solutions.
6+ YOE6+ years contact center/telephony experience with Genesys Cloud, strong SIP/VoIP and REST API skills, troubleshooting ability, communication and documentation skills, willingness for on-call support.
Design Automation Engineer, Architectural Design and BIM
Boston or Andover
HybridFull Time
Reframe Systems: Builds sustainable modular homes using robotic microfactories.
3+ YOEBachelor's in architecture or engineering or equivalent,3+ years design/CAD/BIM automation experience,Revit integrations,Dynamo/pyRevit,Python or TypeScript,API integration,parametric design,and rapid prototyping with coding agents.
Analogic: Provides imaging and detection technology for healthcare and aviation.
Strong C++ and Linux experience, Python scripting familiarity, microservices (REST APIs, MQTT), production distributed systems support, debugging, releases, and technical documentation skills.
IDEXXNASDAQ: IDXX: Diagnostic equipment and software for veterinary and water testing.
5+ YOEBachelor's or equiv in CS/Engineering/Vet Tech,5+ years in sales engineering/pre-sales for SaaS or veterinary tech,deep PIMS experience (ezyVet/Neo/Cornerstone),APIs and integrations expertise,knowledge of sales methodologies,excellent communication.
Fidelity Investments: Provides investment management, retirement planning, and brokerage services.
Extensive data engineering experience with Oracle PL/SQL, AutoSys, ETL, Informatica, Snowflake, SQL, and data modeling; familiarity with Java/Python, REST API, AWS, DevOps tools, Agile, and on-call production support.
Denver or Nashua or Augusta or Pinellas Park or Madison Heights
$125k-$145k/yrHybridFull Time
WOW!: Provides broadband internet, cable television, and digital phone services.
3+ YOEFull-stack engineer with 3+ years building scalable web applications using Next.js and Node.js, strong AWS experience, REST/GraphQL APIs, serverless, CI/CD, AI-assisted tooling, and familiarity with web performance and accessibility standards.
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
4+ YOEBachelor's degree in CS or equivalent experience, 4+ years professional software development, full-stack web app delivery, API integration, frontend framework proficiency, SQL schema and query design, Git, and automated testing.
ASP.NET Core, Blazor, MudBlazor, C#, SQL Server, Dapper, FluentValidation, Git, HTML, CSS, JavaScript, TypeScript, CI/CD, Active Directory
GEI Consultants: Provides multi-disciplinary engineering and environmental consulting services.
4+ YOE4+ years software engineering; 1+ year GenAI; LLMs; Python/PySpark/SQL; Azure-focused GenAI; Azure AI APIs; Databricks; TensorFlow/PyTorch; secure, scalable AI; prior in professional services or engineering a plus.
Onto InnovationNYSE: ONTO: Provides metrology and inspection solutions for semiconductor manufacturers.
8+ YOE3+ MgmtBachelor's degree or equivalent,8+ years quality engineering experience,3+ years technical leadership,proficiency in test automation,CI/CD,API testing,Agile.
Andover or Boston or New York or Chicago or Menlo Park or Manchester or London or Tokyo
$140k/yrOnsiteFull Time
Alumni Ventures: Provides individual investors access to diversified venture capital funds.
6+ YOE6+ years building production applications; experience with JavaScript/Node.js and/or Python, PostgreSQL/MySQL, AWS, API integrations, full-stack development, modern/AI-assisted dev tools; authorized to work in the US.
Boston or Portsmouth or Plano or Indianapolis or Columbus or United States
HybridFull Time
Liberty Mutual: Provider of global property and casualty insurance products.
3+ YOE3+ years data integration engineering experience, 1+ year with AWS (Lambda, S3, Glue, Redshift). Strong SQL, Python, ETL, APIs, CI/CD familiarity, agile experience, effective communication, and US work authorization without employer sponsorship.
Publicis GroupeEuronext Paris: PUB: Global communications, advertising, and digital transformation holding.
8+ YOE8+ years software engineering experience building scalable REST APIs, microservices, Kubernetes, cloud-native data platforms, and distributed data processing using Python/Java and Spark.
REST APIs, microservices, Kubernetes, Data Warehousing, Data Lakes, Delta Lake, Python, Java, Angular, PySpark, Apache Spark, TypeScript, JavaScript, AWS S3, Lambda, API Gateway, EventBridge, Kafka, SNS, SQS, PostgreSQL, SQL Server, Aurora, DynamoDB, MongoDB, Redis, Terraform, Ansible, Jenkins, GitHub, GitLab, Bitbucket, GoCD, Databricks, Azure, Google Cloud Platform (GCP), LLMs, RAG architectures, Agentic AI
Liberty Mutual Insurance: Global provider of property and casualty insurance products.
3+ YOE3+ years professional experience in data engineering; bachelor’s degree in technical or business discipline; strong communication and collaboration skills.