13 api developer integration engineer jobs at 11 companies in Concord, NH
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Senior Software Integration Engineer
Wilmington, Massachusetts, United States
OnsiteFull Time
RigakuTokyo Stock Exchange: 268A: Manufacturer of X-ray based analytical and industrial instrumentation.
5+ YOEBachelor's or master's degree in computer science, computer engineering, or related field; 5–7 years of C/C++ programming, 3–5 years of Agile development, API and SaaS integration experience, and prior data acquisition systems experience.
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.
Sr. Software Engineer – Distributed Systems & Platform Integration
Salem, New Hampshire, United States
OnsiteFull Time
Analogic: Provides imaging and detection technology for healthcare and aviation.
Experience with C++ in production, API design (gRPC/REST), distributed systems concepts, Linux development, and ability to design cross-system integrations.
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.
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
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
Onto InnovationNYSE: ONTO: Provides metrology and inspection solutions for semiconductor manufacturers.
10+ YOE10+ years software design for real-time electromechanical systems, expertise in .NET and C#, HW/SW integration, concurrency, API design, EM/IPC technologies, and mentoring experience.
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.
SymboticNasdaq: SYM: AI-powered robotics and software for warehouse automation.
5+ YOEBachelor's degree in a technical field,5+ years professional software engineering experience,experience with AI/LLM systems and full-stack development,Python and API integration skills,security-aware design and strong communication.
UKG: Provider of workforce management and human capital management software.
10+ YOE10+ years building enterprise Java-based web applications, expertise with cloud-native architectures, AI/LLM integrations, microservices, REST APIs, and strong testing and CI/CD practices.
Java, J2EE, Spring Boot, Spring Framework, Hibernate/JPA, React, JavaScript, HTML5, CSS3, REST APIs, Microservices, SQL, GitHub Copilot, ChatGPT, Cursor, Claude, LangGraph, OpenAI Agents SDK, CrewAI, AutoGen, OpenAI, Anthropic, Google Gemini, Model Context Protocol (MCP), AWS, Microsoft Azure, Google Cloud Platform, Kubernetes, Docker, OpenShift, Terraform, CloudFormation, ARM Templates, GitHub Actions, Jenkins, Azure DevOps, GitLab CI, Datadog, Grafana, Prometheus, Splunk, OpenTelemetry, Bash, Python, PowerShell
Lead Software Engineer, Meteorological Technologies
Andover or Atlanta
$150k-$190k/yrHybridFull Time
The Weather Company: Provides weather data, forecasting insights, and digital advertising solutions.
7+ YOE7+ years building cloud-based (e.g., AWS) production systems; domain experience in meteorology or forecasting; hands-on software delivery in 24x7 operational environments; AI/LLM integration, prompt engineering, and multi-project execution; proficiency in Python, JavaScript/TypeScript, or Go.
Johnston or Boston or Iselin or Manchester or Westwood
$91k-$105k/yrHybridFull Time
Citizens Financial GroupNYSE: CFG: Provides retail, commercial, and private banking services to customers.
Bachelor's required (CS/IS or related), experience translating business requirements to technical solutions, strong SQL/SAS query skills, Agile experience with Jira and Confluence, and experience across integrations and data flows.
SymboticNasdaq: SYM: AI-powered robotics and software for warehouse automation.
5+ YOE5+ years in software QA or systems validation with integration and functional testing in distributed systems; bachelor’s in CS or related; proficiency with APIs, simulation/HIL testing, scripting (C#, Python, Bash); valid driver’s license.