20 api developer integration engineer jobs at 18 companies in New Hampshire
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Data Integration Software Engineer
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.
Manchester or Canada or United Kingdom or Alabama or Arizona or California or Colorado or Connecticut or District of Columbia or Florida or Georgia or Iowa or Idaho or Illinois or Indiana or Kansas or Massachusetts or Maryland or Maine or Michigan or Minnesota or Missouri or North Carolina or Nebraska or New Hampshire or New Jersey or New Mexico or New York or Ohio or Oklahoma or Oregon or Pennsylvania or South Carolina or Tennessee or Texas or Utah or Virginia or Vermont or Washington or Wisconsin or West Virginia
£50k-£80k/yrHybridFull Time
Mark43: Provides cloud-native records and dispatch software for first responders.
3+ YOE3+ years backend software engineering with distributed systems and integrations; experience designing/operating APIs, webhooks or messaging systems; familiarity with Java, TypeScript/JavaScript, REST, SQL/MySQL; strong communication skills; must be authorized to work in the hiring country.
Java, TypeScript, JavaScript, REST, SQL, MySQL, CI/CD, Claude Code Enterprise
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
Waltham or Brooklyn or Hicksville or Syracuse or Connecticut or New Jersey or New Hampshire or Pennsylvania or Rhode Island or Vermont or Maine
$111k-$158k/yrHybridFull Time
National GridLondon Stock Exchange: NG: Operates electricity and natural gas transmission and distribution networks.
Experience developing SAP BTP/Integration Suite solutions (CPI/IS), strong scripting (Java, Groovy), XML/JSON/OData/SOAP/REST, API security, Git/Jira familiarity; bachelor's in CS/engineering preferred.
SAP BTP Integration Suite, CPI, PIPO, ALE/IDocs, BAPIs, XML, OData, SOAP, REST, Java, Groovy, JSON, Business Application Studio (BAS), SAP HANA Cloud, Git, Jira, SAP ABAP, Eclipse, CDS Views, Fiori, UI5, HTML5, Net weaver web services
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
ConnectionNASDAQ: CNXN: Sells IT hardware, software, and managed services to organizations.
Strong experience with React and TypeScript, JS/HTML/CSS, RESTful API integration, modern front-end tooling, code reviews, testing, and Agile; ability to lead complex development efforts.
United States or Spain or Arizona or Arkansas or California or Connecticut or Florida or Georgia or Idaho or Illinois or Maine or Massachusetts or Michigan or Missouri or Nevada or New Hampshire or New Jersey or New York or North Carolina or Ohio or Oregon or Pennsylvania or Rhode Island or South Carolina or Tennessee or Texas or Utah or Vermont or Virginia or Washington or Wisconsin
RemoteFull Time
Breezeway: Software platform for hospitality property operations and service management.
7+ YOE7+ years full-stack experience with React and Python/Flask, designing REST/GraphQL APIs, SQLAlchemy ORM, Celery, SaaS experience, and AI/LLM integrations.
Alabama or Arizona or California or Colorado or Florida or Georgia or Kansas or Kentucky or Iowa or Idaho or Illinois or Indiana or Louisiana or Massachusetts or Maine or Michigan or Minnesota or Missouri 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 Carolina or Tennessee or Texas or Utah or Virginia or Vermont or Washington or Wisconsin
$134k-$224k/yrRemoteFull Time
ShipBob: Global fulfillment and logistics technology platform for e-commerce.
5+ YOE5+ years integrating enterprise HR systems and building production AI-assisted automations; strong API integration skills, access-control and HIPAA/PII governance knowledge; experience with ADP, Workday, Greenhouse, Lattice, iPaaS tools preferred.
United States or Arizona or California or Colorado or District of Columbia or Florida or Georgia or Iowa or Illinois or Massachusetts or Maryland or Michigan or Minnesota or Montana or Nebraska or North Carolina or New Hampshire or New Jersey or Nevada or New York or Ohio or Oregon or Pennsylvania or Rhode Island or Tennessee or Texas or Utah or Washington
$115k-$135k/yrRemoteFull Time
Lob: Automates direct mail and address verification for businesses.
3+ YOE3+ years SaaS implementation/onboarding/solutions engineering experience, API and third-party integration proficiency, familiarity with CRM/CDP/marketing automation, strong communication and presentation skills, ability to travel ~20-25%.
Digital Support Intelligent Automation Solutions Engineer
Massachusetts or New Hampshire or Michigan or Arizona or Vancouver or Toronto or Atlanta or Florida or Denver or Portland or Texas
$76k-$137k/yrRemoteFull Time
AutodeskNASDAQ: ADSK: Developing software for architecture, engineering, and entertainment industries.
3+ YOE3+ years building automation/integration or AI-assisted workflow solutions; experience with Salesforce Service Cloud and Salesforce Flow; hands-on Python or JavaScript; integrating data sources (Snowflake); API design and OAuth; building lightweight UIs (Streamlit, React, TypeScript).
Airtable, Slack, Slackbots, Salesforce, Salesforce Service Cloud, Salesforce Flow, n8n, Copilot Studio, LangGraph, MCP, Snowflake, Python, JavaScript, Streamlit, React, TypeScript, APIs, OAuth, webhooks, Git, CI/CD, Docker, Microsoft Power Platform, Microsoft Power Automate, Microsoft Power BI
Alabama or Arizona or Colorado or Florida or Georgia or Illinois or Indiana or Kentucky or Louisiana or Massachusetts or Michigan or Minnesota or Mississippi or Missouri or Nevada or New Hampshire or North Carolina or Oregon or Pennsylvania or South Carolina or Tennessee or Texas or Virginia
$110k-$222k/yrRemoteFull Time
SiemensXETRA: SIE: Manufactures industrial automation, infrastructure, and energy technology systems.
5+ YOEBachelor's degree or equivalent,5+ years in building technology/automation,proven BMS expertise,proficiency with MQTT/REST APIs/OPC UA/BACnet/IP/Modbus TCP,telemetry and system integration experience.
California or Colorado or Florida or Georgia or Illinois or Maryland or Minnesota or North Carolina or New York or Ohio or Oklahoma or Pennsylvania or Tennessee or Texas or Virginia or Washington or West Virginia or Arizona or Delaware or Kentucky or Michigan or New Hampshire or Nevada
$88k-$110k/yrRemoteFull Time
Accurate Background: Provides employment background screening and drug testing services.
5+ YOE5+ years supporting enterprise business systems with strong Salesforce Sales Cloud/Service Cloud experience, Apex and automation, API integrations, troubleshooting, and focus on usability and documentation.
Salesforce Sales Cloud, Salesforce Service Cloud, Apex, APIs
Alabama or Arizona or Connecticut or Florida or Georgia or Hawaii or Iowa or Illinois or Indiana or Kentucky or Louisiana or Maryland or Massachusetts or Michigan or Minnesota or Missouri or Montana or North Carolina or Nebraska or New Hampshire or New Jersey or Nevada or Ohio or Oregon or Pennsylvania or Rhode Island or Tennessee or Texas or Virginia or Washington or Wisconsin or Wyoming
RemoteFull Time
RethinkFirst: Cloud-based behavioral health and special education SaaS platform.
2+ YOE2+ years data engineering experience with Microsoft Fabric, Azure Synapse, or Databricks; strong SQL and Python; experience building ETL/ELT pipelines, data modeling, API integrations (C# preferred), and working in Agile teams.
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.
Alabama or Arkansas or Colorado or Florida or Illinois or Indiana or Kentucky or Massachusetts or Maryland or Maine or Michigan or Minnesota or North Carolina or New Hampshire or New Jersey or Pennsylvania or South Carolina or Texas or Virginia or Vermont or Washington or Wisconsin or West Virginia or District of Columbia or Medford
$95k-$110k/yrRemoteFull Time
ROI Solutions: Provides CRM and data analytics software for nonprofit organizations.
3+ YOE3+ years supporting or operating SaaS applications; strong knowledge of APIs, integrations, and configuration-driven systems; ability to read logs and trace workflows; experience with customer-facing technical issues, vendor management, and clear documentation.
Sr Financial Systems Engineer - Workday Financials ERP
Illinois or Kentucky or Kansas or Idaho or Delaware or Colorado or Nevada or Nebraska or Montana or Michigan or Maryland or Maine or Iowa or Florida or California or Arkansas or Utah or Ohio or New Jersey or Minnesota or Massachusetts or Indiana or Georgia or Arizona or Alabama or Wisconsin or Washington or Virginia or West Virginia or Oklahoma or Texas or Tennessee or Pennsylvania or North Carolina or New Mexico or New York or Missouri or Louisiana or Connecticut or Washington, D.C. or South Carolina or Oregon or New Hampshire
$93k-$139k/yrHybridFull Time
Relativity: AI-powered platform for legal discovery and data intelligence.
5+ YOEBachelor's in CS/IS or equivalent, 5+ years hands-on Workday Studio and integrations (RaaS, EIB, BIRT, XSLT), strong APIs/SOAP/REST knowledge, middleware (Workato, Boomi, Fivetran), SOX/compliance experience, strong communication.
United States or California or New York or Connecticut or New Jersey or Washington or Oregon or Delaware or Maine or Massachusetts or Maryland or New Hampshire or Rhode Island or Vermont or District of Columbia or Pennsylvania or Virginia or Colorado or Texas or Illinois or Hawaii
$195k-$247k/yrRemoteFull Time
InstacartNasdaq: CART: Provides grocery delivery and retail technology solutions.
10+ YOE10+ years in solutions architecture/data engineering/senior software engineering; deep data architecture and modeling experience; integrations with ERP, POS, Snowflake and proprietary APIs; hands-on coding and customer-facing experience.