2,113 senior software engineer jobs at 594 companies in Westford, MA
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Senior Software Engineer
Boston, Massachusetts, United States
OnsiteFull Time
Senior software engineer with experience in big data streaming, multi-tier web apps, AWS hosting/DevOps, and strong design skills; proficient in server-side languages and databases; Agile/Scrum experience; collaborative mindset.
AWS, AWS Kinesis, Apache Kafka, ASP.NET Core, Angular, Docker, Kubernetes, SQL Server, PostgreSQL, MongoDB, HTML, CSS, JavaScript, TypeScript, Python, C#
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Senior Software Engineer, Lab Software
Cambridge, Massachusetts, United States
$144k-$210k/yr OnsiteFull Time
5+ YOESenior backend-focused software engineer with 5-8+ years of experience building large-scale systems; full-stack development; Python, FastAPI, React, TS, SQL/NoSQL; cloud, AWS, Kubernetes; collaboration with scientists.
React, TypeScript, Tailwind, FastAPI, SQL, NoSQL, Python, Pydantic, AWS, Kubernetes, Terraform, CloudFormation, GitHub Actions, Airflow, Prefect, Temporal, Dagster
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Senior Software Engineer
Boston, Massachusetts, United States
HybridFull Time
5+ YOEBS in CS/Math/Stats; MS/PhD preferred; 5+ years software eng; senior/lead on AWS cloud; strong Python; ML frameworks; production ML systems; AWS AI services; data pipelines; SQL; CI/CD; REST/microservices; Agile.
Python, C#/.NET, AWS, SageMaker, S3, Glue, Athena, Lambda, EC2, CloudWatch, Docker, Kubernetes, Apache Spark, Airflow, dbt, SQL, PostgreSQL, MSSQL, REST API
4mo
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Senior Software Engineer
Boston or Needham
$90k-$180k/yr HybridFull Time
5+ YOE5+ years of software development experience; full stack capabilities; AI-driven engineering exposure; proficient with Java, Python, TypeScript; SDLC tools; cloud platforms; strong communication.
JIRA, Git, Jenkins, GitHub Actions, VS Code, IntelliJ, Eclipse, Claude Code, GitHub Copilot, AWS, Azure, Java, Python, TypeScript, Oracle, MySQL
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Senior Software Engineer
Washington or Boston
$129k-$194k/yr OnsiteFull Time
Strong Python, distributed systems, cloud platforms, AI/ML, LLMs, autonomous agents, senior IC.
Python, AWS, GCP, Azure, Jira, Git, LLMs, AI agent tooling
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Senior Software Engineer
Boston, Massachusetts, United States
$140k-$165k/yr HybridFull Time
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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Collateral Management Senior Software Engineer, VP
Quincy, Massachusetts, United States
$120k-$203k/yr HybridFull Time
10+ YOESenior Software Engineer with experience in large software projects; hybrid work model; strong Java/Spring Boot, React, Azure Databricks, Kafka, SQL; experience in DevOps and CI/CD.
Java, Spring Boot, React, Azure, Databricks, AKS, Kafka, Hadoop, Hive, Spark, Jenkins, SOAP, REST, Autosys, CRON, Quartz, WebSphere, WebLogic, Tomcat, J2EE, JSP, Servlets, Struts 2.0, MQ, SQL, PL/SQL, DOM
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Senior Software Engineer
Waltham, Massachusetts, United States
HybridFull Time
5+ YOE5+ years of software development; full-stack SaaS experience; clean, maintainable code; strong communication; able to work in fast-paced environment.
TypeScript, JavaScript (Node.js), Python, Java, React, Spring Boot, Express, Flask, REST, GraphQL, gRPC, Protobuf, AsyncAPI, PostgreSQL, MongoDB, Cassandra, Redis, Docker, Kubernetes, Helm, Ansible, Terraform, OpenTofu, OpenTelemetry, Prometheus, Splunk, Dynatrace, Git
4mo
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Senior Software Engineer
Boston or Needham
$90k-$180k/yr HybridFull Time
5+ YOE5+ years in software design/development; full stack experience; Java/Python/TypeScript; AWS/Azure; CI/CD; JIRA/Git; AI tools; strong communication.
Java, Python, TypeScript, AWS, Azure, Jenkins, GitHub Actions, JIRA, Git, VS Code, IntelliJ, Eclipse, Oracle, MySQL, Claude Code, GitHub Copilot
2mo
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SENIOR SOFTWARE ENGINEER
Methuen, Massachusetts, United States
OnsiteFull Time
8+ YOE8+ years of software development; OO design; C++ multi-thread; motion control; UI development a plus; agile; travel up to 5%; capable of independent and collaborative work.
C++, Multithreading, UI development, Motion control software, Kinematics and control algorithms, Agile
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Senior Software Engineer
Mansfield, Massachusetts, United States
$132k-$165k/yr HybridFull Time
3+ YOE3-5 years of software design and development with Microsoft stack; strong C#, .NET, ASP.NET; full-stack web experience (Angular, TypeScript); knowledge of SDLC; ability to mentor and collaborate.
C#, .NET, ASP.NET, TypeScript, Angular, Python
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Senior Software Engineer
Boston, Massachusetts, United States
OnsiteFull Time
3+ YOE3-6 years software engineering; React, TypeScript, Python; experience with LLMs and agentic workflows; product-minded; shipping production systems.
React, TypeScript, Python, LLMs, APIs, CI/CD
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Senior Software Engineer
Boston, Massachusetts, United States
$140k-$160k/yr HybridFull Time
5+ YOE5–8+ years full-stack engineering; C#/.NET or Java; React/TypeScript; APIs; SQL; Git; CI/CD; Azure; Agile; secure coding.
C#, Java, React, TypeScript, SQL, Git, CI/CD, Azure, Cloud
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Senior Software Engineer, AI/ML
Cambridge, Massachusetts, United States
HybridFull Time
7+ YOE7+ years of software engineering; lead AI/ML/LLM projects; Python; AWS; distributed systems; strong communication; BS in CS, MS preferred.
Python, TypeScript, Go, AWS, LLM, RAG, tool calling, LoRA, distributed systems, cloud monitoring
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Senior Software Engineer
Boston, Massachusetts, United States
$146k-$191k/yr HybridFull Time
5+ YOE5+ years software engineering; strong Python; full SDLC ownership; CI/CD; documentation.
Python, CI/CD, Cloud (AWS/GCP/Azure), Databases, Documentation
2mo
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Senior Software Engineer
Woburn, Massachusetts, United States
$115k-$130k/yr HybridFull Time
5+ YOE5+ years full‑stack software engineering experience; proficiency with .NET/C#, Angular, SQL Server/PostgreSQL, AWS; strong communication and agile/DevOps experience; BS in CS/engineering required.
.NET, .NET (dotnet), .NET and C#, C#, AWS, Angular, SQL Server, PostgreSQL, JavaScript, TypeScript, GitHub Copilot, Docker, Kubernetes, CI/CD
1mo
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Senior Software Engineer
Raleigh or Lowell
$119k-$196k/yr HybridFull Time
5+ YOE5+ years software engineering experience; Java or Rust; Linux development; PKI, cryptography, and security knowledge; experience with AI agents; strong English communication.
Java, Rust, Linux, Dogtag PKI, Python, Bash, Scrum, JIRA, OpenShift, AWS, Microsoft Azure, Fedora, RHEL, Kubernetes, CI/CD
2mo
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Senior Software Engineer
New York City or Asbury Park or Boston or Chicago or Baltimore
$160k-$180k/yr HybridFull Time
5+ YOE5+ years software engineering experience; lead full-stack development with TypeScript, Node.js, Python, Next.js, Tailwind CSS; experience with Microsoft Azure, Azure DevOps, GitHub, Jira, EMU/AI-enabled features, and leading/mentoring engineers.
TypeScript, Node.js, JavaScript, Next.js, Tailwind CSS, Python, Microsoft Azure, Microsoft Azure DevOps, GitHub, Jira, Figma, Microsoft Dynamics, Microsoft Business Central, Microsoft PowerApps, Microsoft Power BI
2w
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Senior Software Engineer
Boston or Costa Mesa
$191k-$253k/yr OnsiteFull Time
5+ YOERequires 5+ years of software engineering experience, a technical degree, full-stack expertise, enterprise platform experience, JavaScript, React, TypeScript, and U.S. Person status.
Forge, Lattice OS, JavaScript, React, TypeScript, NextJS, ERP, MES, WMS, CRM
2d
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Senior Software Engineer
California or Virginia or Idaho or Florida or New York City or Boston
HybridFull Time
Software engineering experience with scalable architectures, complex data relationships, REST APIs, microservices, ETL pipelines, infrastructure monitoring, and CI/CD; mentoring and technical leadership expected.
Pyro, Torch, MCP, LangChain, Claude, Python, FastAPI, SQLAlchemy, Pandas, PostgreSQL, Redis, AWS, Amazon EC2, Amazon RDS, Amazon EKS, Kubernetes, Terraform
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