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266 senior software testing engineer jobs at 123 companies in Waltham, MA

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Senior Software Engineer
Boston, Massachusetts, United States
$140k-$165k/yr HybridFull Time
Pixability
Pixability: Optimizes video ad performance across YouTube and Connected TV.
6+ YOE6+ years of professional software engineering; strong backend with Python; data pipelines or large-scale systems; production web apps, APIs, distributed systems; React frontend; MySQL/Snowflake; AWS; Docker, Terraform, CI/CD; testing; collaborative; Boston office 2 days/week.
Python, React, AWS, Docker, Terraform, CI/CD
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1d
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Senior Software Engineer I
Boston, Massachusetts, United States
$130k-$160k/yr RemoteFull Time
Level Data
Level Data: Provides data management and validation software for K-12 schools.
5+ YOERequires 5+ years of software engineering experience, strong C#/.NET, JavaScript/TypeScript, web framework, relational database, cloud, Agile, CI/CD, testing, and production support experience.
C#, .NET, ASP.NET, SQL Server, React, Node, TypeScript, Postgres, JavaScript, Azure, AWS, Google Cloud, source control, CI/CD, automated testing, AI/GenAI
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Senior Software Engineer
Merrimack or Boston
$63-$103/hr OnsiteContract
Fidelity Investments
Fidelity Investments: Financial services and investment management firm providing advisory solutions.
5+ YOE5+ years software engineering experience, expert in Java and Spring Boot, experience with microservices, testing, CI/CD, AWS, Docker, messaging (SNS/SQS); BS in CS preferred.
Java, Spring Boot, JUnit, Git, Docker, ECS, SNS, SQS, Rest Assured, PlayWright, SQL, AWS
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Senior Software Engineer
Andover or Somerville
$129k-$184k/yr OnsiteFull Time
TransMedics
TransMedicsNASDAQ: TMDX: Preserving and transporting donor organs for medical transplantation.
8+ YOEBS/MS in software or electrical engineering, 8+ years of real-time embedded software development, C/C++ proficiency, and experience with regulated medical device software, testing, and development tools.
C, C++, Qt, UART, I2C, SPI, ADC, BT, USB OTG, ARM, PIC, QNX RTOS, GNU, Momentics, CMake, JTAG, Git, JIRA, Ubuntu, LabVIEW, CI/CD, Object-Oriented Design (OOD), Unified Modeling Language (UML), FDA, IEC 62304
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Senior Software Engineer
Merrimack, New Hampshire, United States
OnsiteFull Time
CAMP Systems
CAMP Systems: Provides software for aircraft maintenance tracking and engine health monitoring.
8+ YOEBachelor’s degree and 8+ years of software development experience, including 5+ years with .NET and Angular. Requires AI-assisted development, full-stack engineering, cloud, APIs, testing, and Agile experience.
.NET Core, C#, ASP.NET MVC, Web API, NHibernate, Oracle, Angular, HTML5, CSS3, TypeScript, OAuth, JWT, AWS, LLM, NLP, Git, xUnit, NUnit, Jasmine, Docker, Kubernetes, GitHub Copilot, Cursor, Claude Code
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Senior Software Engineer
Arlington or Mount Laurel or San Diego or Fall River
$135k-$273k/yr HybridFull Time
Innovative Defense Technologies
Innovative Defense Technologies: Develops automated software and systems to rapidly deliver mission-critical capabilities to U.S. government customers.
7+ YOEBachelor's degree or equivalent, 7+ years software engineering experience, able to obtain/maintain Secret U.S. security clearance, experience leading/mentoring, expertise in SDLC, OOP, distributed systems, secure coding, testing, and integration.
SDLC, Service-Oriented Architecture (SOA), AI, Generative AI
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Senior Engineer, Software Infrastructure
Wilmington, Massachusetts, United States
$110k-$152k/yr OnsiteFull Time
Analog Devices
Analog DevicesNASDAQ: ADI: Designs and manufactures semiconductors for signal processing and power management.
Experience in web frontend/backEnd, React, TypeScript, Node.js REST APIs, Backstage, Git/GitHub, Docker, cloud (AWS/Azure/GCP), testing (Jest/Playwright/Cypress), CI/CD, SBOMs, Agile software development.
React, TypeScript, JavaScript, Node.js, REST APIs, Backstage, Git, GitHub, Docker, AWS, Azure, GCP, Jest, Playwright, Cypress, CI/CD, SBOMs
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Senior Python Software Engineer
Boston, Massachusetts, United States
$119k-$180k/yr RemoteFull Time
Worldpay
Worldpay: Global payment processing and merchant technology solutions for businesses.
5+ YOEBachelor's in computer science/engineering or related field, 5+ years of experience; Python 3; SQL/NoSQL; unit tests; scalable backend services; Unix/Linux (AWS); financial industry knowledge.
Python, SQL, NoSQL, MongoDB, Unix, AWS, Git, Jenkins, Grunt
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Senior Software Engineer II
Billerica, Massachusetts, United States
$93k-$166k/yr HybridFull Time
Curriculum Associates
Curriculum Associates: Provider of K-8 educational curriculum, assessment, and instructional software.
8+ YOE8+ years software engineering experience; bachelor’s degree or equivalent; strong technical design, coding, testing, CI/CD, and mentoring skills; ability to lead end-to-end features and collaborate cross-functionally.
CI/CD, AI, i-Ready
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Senior Software Engineer
San Francisco or Miami or Atlanta or Salt Lake City or Phoenix or Washington D.C. or Los Angeles or Seattle or Chicago or Boston or Austin or New York City
$153k-$205k/yr RemoteFull Time
Circle
CircleNYSE: CRCL: Digital currency issuer and blockchain financial infrastructure provider.
6+ YOE6+ years professional software development with Java and Go; bachelor’s in CS or equivalent; led small technical teams; experience with payment systems, RESTful APIs, cloud services, and SQL; strong system design, testing, and communication skills.
Java, Go, AWS, Google Cloud, Microsoft Azure, SQL, NoSQL, RESTful API
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Senior Software Engineer
Providence, Rhode Island, United States
$114k-$163k/yr HybridFull Time
Veranex
Veranex: Accelerates medical technology innovation from concept to commercialization.
3+ YOEBachelor's degree and 3+ years software engineering experience; experience with regulated environments (FDA/IEC 62304), embedded and cloud-connected systems; strong architecture, testing, and communication skills.
QT, embedded Linux, RTOS
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Senior Software Engineer
Somerville or Washington
$160k-$190k/yr HybridFull Time
VIA
VIA: Building secure, resilient digital infrastructure and AI solutions.
5+ YOEBachelor's in CS/Math/Engineering/Science, 5+ years full-stack/backend experience, cloud microservices, cryptography, Istio, FastAPI, Docker, Helm, SQL/NoSQL, CI/CD, automated testing, strong communication.
Istio, FastAPI, Docker, Helm, OAuth2, IETF RFCs, SQL, NoSQL
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Senior UX Software Engineer
Cambridge, Massachusetts, United States
$160k-$210k/yr HybridFull Time
Charles River Analytics
Charles River Analytics: Develops human-centered AI and intelligent systems for national security.
7+ YOEU.S. citizen with Bachelor's/Master's in CS/Engineering, 7+ years software development experience, DevSecOps familiarity, leadership and mentoring experience, willingness to travel occasionally for customer briefings and test events.
HTTP, GraphQL, REST, Swagger, ActiveMQ, gRPC, WebSockets, NodeJS, Python, C#, Java Spring, Docker, AWS EC2, VM Ware, OpenShift Virtualization, Neo4j, Postgres, MongoDB, ElasticSearch, Redis, MySQL, MS SQL Server, Vite, npm, yarn, gradle, Docusaurus, JS Doc, Sphinx, React, React Native, JavaScript, HTML5, CSS3, Unity, GitLab, Windows, Linux, OSX, Storybook, Playwright, Jasmine, Mocha, Jest, Protractor, NUnit, Git, Cesium, GeoJson, Mapbox, OpenLayers, Leaflet, Oculus Quest, Hololens, HTC Vive, Steam VR HMDs
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Senior Software Engineer, Customer Agent
Boston, Massachusetts, United States
$148k-$222k/yr OnsiteFull Time
Klaviyo
KlaviyoNYSE: KVYO: Software platform for automated e-commerce marketing and customer data.
7+ YOE7+ years software engineering experience; full-stack expertise across front-end and back-end; leadership, mentoring, code review, testing, and experience experimenting with LLMs/AI tooling.
Python, React, AWS, LLMs
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2mo
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Senior Software Engineer, Investment Systems
Boston, Massachusetts, United States
$115k-$325k/yr OnsiteFull Time
Arrowstreet Capital
Arrowstreet Capital: Manages global equity portfolios using systematic quantitative models.
7+ YOE7+ years software engineering experience; 5+ years cloud (AWS preferred); strong SQL, Iceberg, Spark, Pandas/Polars; experience building mission-critical production systems; strong debugging, testing, and communication skills.
AWS, GCP, Azure, SQL, Iceberg, Spark, Pandas, Polars
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Senior Software Engineer, Client Implementations
Boston or United States
$128k-$145k/yr RemoteFull Time
Cohere Health
Cohere Health: AI-powered clinical intelligence platform for healthcare prior authorization automation.
5+ YOE5+ years software engineering experience; strong backend skills in Java or Groovy/Grails; frontend with React/TypeScript; MongoDB and Kafka experience; familiarity with Git, CI/CD, test frameworks, and healthcare standards (FHIR/HL7).
Java, Groovy, Grails, React, TypeScript, JavaScript, MongoDB, Kafka, Git, Cypress, Playwright, JUnit, Jest, AWS, FHIR, HL7
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Senior C++ Software Engineer
Boston, Massachusetts, United States
$160k-$180k/yr OnsiteFull Time
Catapult
CatapultASX: CAT: Develops wearable tracking technology and video analytics for sports.
Experienced C++ engineer with high-performance, real-time video, low-latency processing, multithreading, FFmpeg, unit testing, and analytical skills; English communication required.
C++, FFmpeg, Windows, Linux, CMake, GitHub Actions, TeamCity, APIs
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Senior Software Engineer, Retail Grocery
United States or Boston or New York City
$125k-$254k/yr HybridFull Time
Toast
ToastNYSE: TOST: Cloud-based technology platform for the restaurant and hospitality industry.
7+ YOE7+ years building and shipping production software; experience with Java or Kotlin or other OO languages; testing methodologies; customer-focused and growth mindset.
Java, Kotlin, Toast IQ
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Global IT Software Engineer - Senior Manager
Boston or London
$153k-$186k/yr OnsiteFull Time
Boston Consulting Group
Boston Consulting Group: Global management consulting firm specializing in business strategy and transformation.
6+ YOEBachelor's in CS/Engineering,6+ years software/IT experience,proven GenAI and SaaS implementation,frontend/backend development,cloud and infrastructure-as-code,automated testing and systems design expertise.
React, Python, Java, Typescript, Zypher, Pytest, AWS, Azure, CGP, Kubernetes, Helm, Terraform, pgvector, chromadb, Neo4J, GraphQL, Github Actions, Gitlab CI, RDS, Batch, Lambda, Fargate, Step Functions, SQS, SNS, FastAPI, NextJS, RabbitMQ, Kafka, Websockets, Server-Side Events, LLMs, APIs
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Senior Software Engineer
Boston, Massachusetts, United States
$176k-$196k/yr OnsiteFull Time
Compass
CompassNYSE: COMP: Technology-enabled residential real estate brokerage and agent software platform.
7+ YOE7+ years building high-performance, well-tested services using Go/Java with cloud (AWS) experience; strong microservices, event-driven, and communication-protocol knowledge.
Go, Java, Python, NodeJS, gRPC, Thrift, Kafka, AWS, AWS Connect, Twilio, Sinch, Amazon Pinpoint, LangChain, LlamaIndex, AutoGen, OpenAI, Anthropic, AWS Bedrock
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