246 api engineer jobs at 114 companies in Foster, RI
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API Security Engineer
Cambridge, Massachusetts, United States
$146k-$234k/yrHybridFull Time
ModernaNasdaq: MRNA: Develops and manufactures messenger RNA medicines and vaccines.
5+ YOE5+ years cybersecurity or application/platform security experience with hands-on API security, threat modeling, API risk assessment, and collaboration with engineering and platform teams.
API gateways, service meshes, reverse proxies, AI Gateway
8+ YOE8+ years hands-on technical experience; Bachelor's degree or equivalent; expertise in API security, WAAP, OWASP API Security Top 10, AI agents/LLM application security; ability to deploy, configure, and troubleshoot security/cloud infrastructure; strong communication and demo-building skills.
KAYAK: Global travel search engine for flights, hotels, and rentals.
5+ YOE5+ years experience in quality engineering, strong knowledge of CI/CD, version control, APIs, quality metrics, and applying AI tools to quality workflows; strong communication and cross-team leadership.
TravelersNew York Stock Exchange: TRV: Provider of commercial and personal property 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.
EAB: Providing research and technology solutions to educational institutions.
3+ YOE3+ years experience in revenue/marketing/sales operations or GTM systems; strong Salesforce data/ integration experience; hands-on with Clay, ZoomInfo, Apollo, Outreach, Zapier/Workato, Snowflake; basic SQL and API experience; experience with AI-enabled tools.
Waters CorporationNYSE: WAT: Provider of analytical laboratory instruments and software solutions.
5+ YOE5+ years platform or data engineering experience, Celonis and cloud integration expertise, Python/SQL proficiency, experience with enterprise integrations (SAP, Salesforce, ServiceNow), and strong communication skills.
Helen of TroyNASDAQ: HELE: Designs and markets branded consumer housewares and personal care products.
4+ YOEBS/MS in engineering or CS, 4+ years software engineering experience, embedded/connected device experience, systems-level debugging, cross-layer software expertise, authorized to work in the U.S.
Bluetooth Low Energy (BLE), IoT, iOS, Android, Flutter, Git, CI/CD, C/C++, APIs
State StreetNYSE: STT: Provides investment servicing and management to institutional investors.
3+ YOEBachelor's degree and 3+ years in data/AI engineering or related fields; experience with Python, SQL, large-scale data pipelines, RAG, MLOps/LLMOps, and AI governance in regulated environments.
SynopsysNasdaq: SNPS: Provides software and IP for semiconductor design and manufacturing.
2+ YOEMaster's in CS/Software Engineering or Bachelor's plus 2 years; experience with RESTful APIs, relational and NoSQL databases, AWS (serverless, S3, SQS, CloudWatch), and Docker.
Lila Sciences: Develops an AI platform for autonomous scientific research and discovery.
Hands-on OT security engineering experience; design and operate segmentation, identity, privileged access, detection, response, and lifecycle controls for lab and automation environments.
CognizantNasdaq: CTSH: Provides IT consulting and digital business process services.
15+ YOE5+ Mgmt15+ years in software architecture with 5+ years leading mainframe modernization; deep legacy/mainframe and cloud architecture experience; GenAI and leadership skills; Java, API, Angular, AWS expertise.
HubSpotNYSE: HUBS: AI-powered customer platform for marketing, sales, and service.
Proven experience building and scaling distributed systems, strong API and platform design, background in financial or high-integrity data flows, familiarity with agentic systems, and ability to align cross-functional teams.
Teknor Apex: Manufactures custom plastic compounds and chemicals for various industries.
5+ YOEBachelor's in CS or related,5+ years software development experience,proficiency with C#, .NET, Python, Java, JavaScript/TypeScript,SQL and REST APIs,experience integrating ERP/MES,strong analytical and communication skills.
C#, .NET, Python, Java, JavaScript, TypeScript, SQL, REST APIs, Microsoft Azure, AWS, Power Platform, Power BI, Inductive Automation Ignition
HoneywellNASDAQ: HON: Manufactures aerospace products, building technologies, and industrial control systems.
3+ YOE3–6 years AWS and networking experience, proficiency with PowerShell/Python/C#, infrastructure-as-code and automation (Ansible, AWS SSM, Chef), Windows Server and Hyper-V/VMware administration, SQL database optimization, REST/SOAP API support, and 24x7 on-call participation.
Selective InsuranceNASDAQ: SIGI: Provider of commercial and personal property and casualty insurance.
5+ YOE5+ years of experience designing and developing complex applications; Bachelor's preferred in CS/Engineering; strong .NET/C#, API, SQL; cloud, Azure, DevOps, and leadership skills.
Re:Build Manufacturing: Provides advanced engineering and US-based contract manufacturing services.
3+ YOE3+ years software engineering or technical implementation experience, Python and API proficiency, experience with LLMs/generative AI, cloud and enterprise integrations, strong communication, and ability to travel up to 75% domestically; U.S. work-authorization required.