246 rest api jobs at 154 companies in Lowell, MA

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
3mo
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API Technical Lead, VP
Burlington, Massachusetts, United States
$120k-$203k/yr OnsiteFull Time
State Street
State StreetNYSE: STT: Provides investment servicing and management to institutional investors.
10+ YOE3+ Mgmt10+ years in API design/delivery, enterprise APIs, REST with Java/C#, Kubernetes, CI/CD, security and governance.
Java, C#, REST, gRPC, OpenAPI/Swagger, API gateways, Kubernetes, CI/CD, OAuth2, OIDC, JWT, mTLS
3mo
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Senior QA Engineer - Automation & API
Portsmouth, New Hampshire, United States
$109k-$125k/yr OnsiteFull Time
Service Credit Union
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.
Postman, SoapUI/ReadyAPI, WinAppDriver, Selenium, Playwright, Cypress, Git, Bitbucket Pipelines, Jira, MuleSoft, Anypoint Platform, Salesforce, RAML, WSDL, REST, SOAP, NUnit, xUnit, MSTest, C#, Java, JavaScript, TypeScript, Python, WinAppDriver, Winium
1mo
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Senior Business Analyst, Data Integration, CoStar Debt Solutions
Boston, Massachusetts, United States
$100k-$148k/yr OnsiteFull Time
CoStar Group
CoStar GroupNASDAQ: CSGP: Provides global real estate information, analytics, and online marketplaces.
7+ YOE7+ years building and operating production API integrations (REST, GraphQL, webhooks, OAuth, ETL); customer-facing API management; scripting in Python or Node; bachelor’s degree required.
API, REST, GraphQL, webhooks, OAuth, ETL, Python, Node, FIS, CoStar, Intex, Yardi, MRI, LLM
3mo
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Principal Full Stack Engineer
Merrimack or Durham or Jersey City or Smithfield or Westlake
$107k-$216k/yr HybridFull Time
Fidelity Investments
Fidelity Investments: Provides investment management, retirement planning, and brokerage services.
Strong full stack web development with React/Angular, Node.js/Java, REST APIs, SDLC, Agile; micro-frontends experience preferred.
React, Angular, Node.js, Java, HTML, CSS, JavaScript, Spring, Storybook, Ionic, APIs, REST, Micro-frontend
1mo
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Senior Business Analyst, Data Integration, CoStar Debt Solutions
Boston, Massachusetts, United States
$100k-$148k/yr OnsiteFull Time
CoStar Group
CoStar GroupNASDAQ: CSGP: Global provider of commercial and residential real estate data.
7+ YOE7+ years building and operating production API integrations (REST, GraphQL, webhooks, OAuth, ETL); customer-facing integration experience; scripting in Python or Node; bachelor's degree required.
REST, GraphQL, webhooks, OAuth, ETL, Python, Node, FIS, CoStar, Intex, Yardi, MRI, API
1mo
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Ivalua Technical Lead
Houston or Milwaukee or Dallas or Columbus or Cincinnati or New York City or Austin or Cleveland or Oklahoma City or Albany or Chicago or St. Petersburg or Hartford or St. Louis or Sacramento or Raleigh or Minneapolis or Mountain View or Denver or Boston or Philadelphia or Des Moines or Overland Park or Walnut Creek or Charlotte or Seattle or Carmel or Atlanta or Arlington or Bentonville or Nashville
$63k-$219k/yr OnsiteFull Time
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
5+ YOE5+ Mgmt5+ years leading Ivalua technical implementation teams, 3+ years building REST/SOAP API integrations, Ivalua certified, knowledge of SAP/PeopleSoft/Deltek, bachelor’s degree or equivalent.
Ivalua, REST, SOAP, SAP, PeopleSoft, Deltek, API
1mo
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Software Development Engineer II, Consumer
Boston, Massachusetts, United States
$112k-$141k/yr HybridFull Time
CarGurus
CarGurusNASDAQ: CARG: Operates an online marketplace for buying and selling vehicles.
2+ YOE2+ years Java development experience, experience building consumer-facing AI features, APIs/REST, familiarity with TypeScript/JavaScript/React and AWS preferred, strong algorithms and data-structures knowledge.
Java, TypeScript, JavaScript, React, AWS, APIs, REST, AI coding assistants, multi-agent workflows
1mo
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AI System Architect - US
Boston, Massachusetts, United States
RemoteFull Time
Tufin
Tufin: Automates network security policies across complex hybrid cloud environments.
8+ YOE8+ years in enterprise solutions architecture with Workato or comparable iPaaS, CRM/ERP integrations (Salesforce, NetSuite), production AI/ML delivery, integration governance, REST/GraphQL API patterns, and team leadership.
Workato, Workato eMCP, Workato AI Hub, Model Context Protocol (MCP), ChatGPT, Claude, Salesforce, NetSuite, HiBob, Jira, MuleSoft, Boomi, Azure Integration Services, REST, GraphQL, API, ETL, ELT, webhook, vector databases, RAG, LLM
2d
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Senior Software Developer - Integration
Boston, Massachusetts, United States
$78k-$133k/yr OnsiteFull Time
Haemonetics
HaemoneticsNYSE: HAE: Manufactures medical devices for blood and plasma management.
4+ YOEBachelor's in CS/Software Engineering or equivalent,4+ years software development with focus on system integration,API and integration design,knowledge of REST,JSON,XML,HL7/FHIR,testing and troubleshooting distributed systems.
APIs, REST, JSON, XML, HL7/FHIR
2mo
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Senior Backend Engineer
Cambridge, Massachusetts, United States
$150k-$200k/yr OnsiteFull Time
Blitzy
Blitzy: Autonomous AI platform for enterprise software development.
Backend engineer with Python/Node.js, cloud (GCP/AWS), databases, APIs (REST/gRPC/GraphQL), CI/CD, and microservices.
Python, Terraform, Google Cloud Platform, Node.js, Express.js, REST, gRPC, GraphQL, SQL, NoSQL, PostgreSQL, MongoDB, Firebase, CircleCI, GitLab, Git, Perforce, Microservices, TypeScript, Java, C++, Go
2w
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Senior Software Engineer, iOS (Hybrid - San Diego, CA or Acton, MA)
San Diego or Acton
$141k-$211k/yr HybridFull Time
Insulet
InsuletNasdaq: PODD: Manufactures wearable tubeless insulin pumps for diabetes care.
5+ YOE5+ years software development experience, 3+ years iOS development, strong Swift skills, unit/UI testing, CI/CD and Git experience, familiarity with Bluetooth/BLE, cloud APIs/REST/OAuth 2.0/JSON, and experience with medical device or regulated environments preferred.
Swift, SwiftUI, Combine, The Composable Architecture (TCA), Kotlin Multiplatform, Bluetooth, BLE, APIs, REST, OAuth 2.0, JSON, CI/CD, Git
2w
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Sr. Software Engineer – Distributed Systems & Platform Integration
Salem, New Hampshire, United States
OnsiteFull Time
Analogic
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.
C++, gRPC, REST, Rust, Protocol Buffers, Python, GitHub Copilot, Qt, Linux
2mo
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Municipal ERP & Financial Systems Integration Engineer
Boston, Massachusetts, United States
OnsiteContract
ATS+Partners
ATS+Partners: Provides organizational development and human capital consulting services.
3+ YOE3+ years Tyler Munis ERP integration; SQL/DBs; REST/API; JSON/XML; Azure; municipal finance experience.
Tyler Munis ERP, SQL, PostgreSQL, Oracle, JSON, XML, REST API, Azure, Service Bus, Logic Apps, Power BI, Python, .NET
2mo
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Senior Software Engineer (Backend, Core & Ecosystem)
Boston, Massachusetts, United States
$150k-$215k/yr OnsiteFull Time
WHOOP
WHOOP: Wearable technology for personalized health and performance tracking.
Significant backend experience; API design with REST and PostgreSQL; Kafka or SQS; scalable, reliable systems; well-tested code; collaboration; growth mindset.
Java, Kafka, Postgres, AWS, REST, SQS
2mo
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Senior Software Engineer, Product Integrations
Waltham, Massachusetts, United States
$130k-$200k/yr OnsiteFull Time
Starfish Storage
Starfish Storage: Provides metadata-driven software for managing large unstructured data collections.
5+ YOE5+ years software development; Linux; RESTful APIs; Python or Go; US work authorization; bachelor’s degree preferred; strong communication.
Python, Go, Linux, PostgreSQL, Jenkins, Ansible, REST API, AWS
2w
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Java Springboot Microservices Tech Support
Canton, Massachusetts, United States
$120k-$140k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
5+ YOE5+ years experience with Java, Spring Boot, microservices, REST APIs, SQL, Kafka, CI/CD and cloud; strong troubleshooting, log analysis, and communication skills.
Java, Spring Boot, REST, HTTP, OAuth2, JWT, SQL, Kafka, Jenkins, Microsoft Azure DevOps, GitHub Actions, Azure, Dynatrace, JSON, XML
2mo
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COMETS HD Java Developer
Chelsea, Massachusetts, United States
$83k-$123k/yr OnsiteFull Time
Commonwealth of Massachusetts
Commonwealth of Massachusetts: Providing public services and governance to the people of Massachusetts.
4+ YOE4-5 years of IT development experience with Java/J2EE, Spring/Hibernate, REST APIs, DevOps, Agile, and web technologies; strong problem solving and communication.
Java, J2EE, Spring, Hibernate, REST API, SOAP, JavaScript, HTML, jQuery, JUnit, Angular, React, Node.js, AWS, DevOps, Docker, RESTful APIs
2mo
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Software Engineering Manager- Hybrid
Newton, Massachusetts, United States
$147k-$167k/yr HybridFull Time
The Cigna Group
The Cigna GroupNYSE: CI: Provides health insurance and pharmacy benefit management services.
3+ YOE2+ Mgmt5+ years in software engineering leadership in healthcare; Python ETL, REST API, AWS, Elasticsearch; relational/graph databases; CI/CD; Agile; leadership.
AWS, Elasticsearch, React, Python, PostgreSQL, Graph database, REST API, GraphQL, Hadoop, CI/CD, DevOps, ETL, XML
2mo
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Sr React Software Engineer
Woonsocket, Rhode Island, United States
$100k-$110k/yr HybridFull Time
Branding Brand
Branding Brand: Develops mobile commerce platforms and applications for enterprise retailers.
Strong React.js, React Native, JavaScript, TypeScript, Node.js; API/server experience; CS fundamentals; mobile e-commerce focus; Git, bash, GraphQL/REST a plus.
React.js, React Native, JavaScript, TypeScript, Node.js, Git, bash, GraphQL, REST, Jira, AWS
2mo
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Principal Data Engineer
Waltham, Massachusetts, United States
$160k-$165k/yr HybridFull Time
SS&C Technologies
SS&C TechnologiesNasdaq: SSNC: Provides software and technology for financial and healthcare sectors.
8+ YOEProven expertise in Java, Spring Boot, REST APIs, microservices; strong Kafka/Flink on AWS; cloud-native AWS infra; Kubernetes and CI/CD experience.
Java, Spring Boot, REST API, Microservices, Apache Kafka, Kafka Connect, Kafka Streams, Apache Flink, AWS, Kubernetes, Docker, Terraform, CloudFormation, ECS, EKS, S3, MSK, Redshift, Aurora, RDS, Lambda, Glue, CloudWatch, Oracle, PostgreSQL, Redshift, Aurora, Jenkins, GitHub Actions, GitLab CI/CD, Maven, Gradle, SonarQube, Prometheus, Grafana, ELK Stack