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Top Backend Engineer Jobs in Boston

75+ Job Results
4 Days Ago
Boston, MA
Remote
3,300 Employees
5-7 Years of Experience
3,300 Employees
5-7 Years of Experience
Information Technology • Security • Cybersecurity
Cloudflare is looking for a backend engineer on our control plan product platform to help us build and maintain the codebase that powers both our customer APIs as well as internal service APIs. This is a role for engineers that are familiar with standard backend backend architecture, and capable in database design and interaction.
Top Benefits:
401-K
Child Care Benefits
Commuter Benefits
+45 More
4 Days Ago
Boston, MA
Remote
3,300 Employees
5-7 Years of Experience
3,300 Employees
5-7 Years of Experience
Information Technology • Security • Cybersecurity
Backend engineer on control plane product platform. Building and maintaining codebase for customer APIs and internal service APIs. Proficiency in RESTful API design, relational databases, and containerized deployment practices.
Top Benefits:
401-K
Child Care Benefits
Commuter Benefits
+45 More
3 Hours Ago
Boston, MA
Remote
Hybrid
70 Employees
$70K-$180K Annually
3-5 Years of Experience
70 Employees
$70K-$180K Annually
3-5 Years of Experience
Big Data • Cloud • Hardware • Internet of Things • Software
Seeking a Senior Backend/Data Engineer to design, build, and scale web services and data pipelines. Responsibilities include architecting and scaling backend infrastructure, data pipelines, and storage systems. Requires 3+ years of experience in building highly available and scalable data pipelines, knowledge of Python (Django or Flask/SQLAlchemy a plus), experience with SQL, scalable database solutions, ORM concepts, and passion for software testing.
Top Benefits:
401-K
401-K Matching
Company Equity
+27 More
2 Days Ago
Boston, MA
Remote
12,000 Employees
$153K-$270K Annually
1-3 Years of Experience
12,000 Employees
$153K-$270K Annually
1-3 Years of Experience
eCommerce • Fintech • Hardware • Payments • Software • Financial Services
The Staff Software Engineer on the Web Payment Experience team at Square mentors and teaches other engineers, sets technical direction, develops JavaScript APIs and UIs, maintains APIs for tokenization platform, and works across the stack to build reliable experiences for developers and merchants.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+55 More
2 Days Ago
Boston, MA
Remote
12,000 Employees
$153K-$270K Annually
1-3 Years of Experience
12,000 Employees
$153K-$270K Annually
1-3 Years of Experience
Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
As a staff software engineer on the Web Payment Experience team at Square, you will mentor and teach other engineers, set technical direction, develop JavaScript APIs and UI, work on tokenization platform APIs, and build reliable and delightful experiences for developers and Square merchants.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+55 More
2 Days Ago
Boston, MA
Remote
Hybrid
12,000 Employees
$153K-$270K Annually
1-3 Years of Experience
12,000 Employees
$153K-$270K Annually
1-3 Years of Experience
eCommerce • Fintech • Hardware • Payments • Software • Financial Services
Join Square's Web Payment Experience team as a staff software engineer to mentor other engineers, set technical direction, develop JavaScript APIs and UI, maintain tokenization platform APIs, and create reliable experiences for developers and merchants. Must have experience teaching junior team members, leading technical projects, and a strong background in JavaScript and browser-native Web APIs.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+55 More
2 Days Ago
Boston, MA
Remote
Hybrid
12,000 Employees
$153K-$270K Annually
1-3 Years of Experience
12,000 Employees
$153K-$270K Annually
1-3 Years of Experience
Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
Mentor and teach other engineers, set technical direction, develop JavaScript APIs, work across the stack, and stay updated with frontend trends for the Web Payment Experience team at Square.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+55 More
3 Days Ago
Boston, MA
Remote
350 Employees
7+ Years of Experience
350 Employees
7+ Years of Experience
Artificial Intelligence • Legal Tech • Professional Services • Software
Ontra is seeking a Senior Full Stack Software Engineer to build and maintain web-based applications using Ruby on Rails and Ember.JS.
Top Benefits:
401-K
Commuter Benefits
Company Equity
+39 More

Featured Jobs

2 Days Ago
Boston, MA
Remote
9,500 Employees
$171K-$274K Annually
7+ Years of Experience
9,500 Employees
$171K-$274K Annually
7+ Years of Experience
Cloud • Information Technology • Productivity • Security • Software
We are looking for a Principal Full Stack Software Engineer to join our team and deliver creative improvements for our engineering teams. Responsibilities include understanding the user journey, collaborating with product and design, guiding technical direction, shipping reliable code, and mentoring teammates.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+59 More
3 Hours Ago
Boston, MA
16 Employees
3-5 Years of Experience
16 Employees
3-5 Years of Experience
Sports
Develop user-facing features, optimize data streaming, diagnose performance improvements, monitor infrastructure, scale service
5 Days Ago
Boston, MA
Remote
200 Employees
$160K-$190K Annually
7+ Years of Experience
200 Employees
$160K-$190K Annually
7+ Years of Experience
Cloud • Consumer Web • Edtech • Kids + Family • Other • Social Impact • Software
As the Staff Software engineer, you will primarily focus on backend development with Python, Postgres, and AWS Lambda. You should also be comfortable with React for front-end tasks. This role involves contributing to system design and implementation discussions, promoting collaborative product development, and being a key part of Ellevation's architecture evolution.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+60 More
5 Days Ago
Boston, MA
4,000 Employees
$116K-$197K Annually
5-7 Years of Experience
4,000 Employees
$116K-$197K Annually
5-7 Years of Experience
eCommerce • Food • Manufacturing
The Full-Stack Engineer at Dawn Foods will participate in the entire development life cycle, build scalable microservices, create modular UI components, and collaborate with the team to drive innovative solutions. They will also contribute to improving stability, resiliency, and performance, as well as align to quality standards.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+28 More
9 Days Ago
Boston, MA
Remote
12,000 Employees
$139K-$245K Annually
5-7 Years of Experience
12,000 Employees
$139K-$245K Annually
5-7 Years of Experience
Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
Work as a Front End / Full Stack Developer at TIDAL, a streaming platform for artists. Collaborate with frontend and backend teams to build and deliver product features. Analyze and implement technical improvements for artist tools.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+55 More
9 Days Ago
Boston, MA
Remote
12,000 Employees
$139K-$245K Annually
5-7 Years of Experience
12,000 Employees
$139K-$245K Annually
5-7 Years of Experience
eCommerce • Fintech • Hardware • Payments • Software • Financial Services
Design, build, and maintain backend services for Square Appointments. Launch critical new features to help merchants manage schedules, payments, employees, and customers. Advocate for developer productivity and code quality. Collaborate with engineers and product managers to create delightful software experiences.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+55 More
6 Days Ago
Boston, MA
3-5 Years of Experience
3-5 Years of Experience
Artificial Intelligence • Big Data • Machine Learning • Business Intelligence
Applied Invention is looking for a full-stack developer with experience on a variety of server-side and client architectures to join our team developing controlled environment systems and tools for the next generation of greenhouse technologies.
2 Days Ago
Boston, MA
Remote
Hybrid
115 Employees
7+ Years of Experience
115 Employees
7+ Years of Experience
Artificial Intelligence • Enterprise Web • Information Technology • Machine Learning • Mobile • Software • Analytics
Lead Software Engineer position at LogRocket. Responsible for designing and implementing complex systems, collaborating with cross-functional teams, and mentoring junior engineers. Must have 7+ years of experience in full stack or backend development, expertise in cloud technologies and distributed systems, and familiarity with modern Javascript-based applications and frameworks.
Top Benefits:
401-K
Commuter Benefits
Company Equity
+39 More
8 Days Ago
Boston, MA
Remote
65 Employees
$130K-$137K Annually
7+ Years of Experience
65 Employees
$130K-$137K Annually
7+ Years of Experience
Artificial Intelligence • Edtech • HR Tech • Machine Learning • Natural Language Processing • Social Impact
As a Full Stack Engineer at Mainstay, you will help implement features that help our partners and end users. You will rapidly prototype, develop, and ship server-side and user-facing code every single day. You will work with React (written in Typescript) for the frontend and Python (Django Rest Framework) for the backend.
Top Benefits:
401-K
401-K Matching
Company Equity
+32 More
3 Hours Ago
Boston, MA
1,400 Employees
$196K-$294K Annually
7+ Years of Experience
1,400 Employees
$196K-$294K Annually
7+ Years of Experience
Aerospace • Artificial Intelligence • Hardware • Robotics • Security • Software • Defense
As a Staff Software Engineer at Anduril Industries, you will lead high-impact projects, provide technical leadership, design and develop complex distributed software services, work on a modern tech stack involving Go services and React web apps, and mentor and coach engineers in the team. You will collaborate with leaders to build cohesive end-to-end experiences for users and advocate for excellent engineering culture within the team.
Top Benefits:
401-K
Adoption Assistance
Child Care Benefits
+56 More
11 Days Ago
Boston, MA
Hybrid
500 Employees
1-3 Years of Experience
500 Employees
1-3 Years of Experience
Fitness • Hardware • Healthtech • Sports • Wearables
As a Staff Software Engineer, Backend in the Core App team at WHOOP, you will lead backend engineering efforts, architect and develop robust backend services, drive technical design, tackle scaling issues, and mentor junior engineers. The role requires deep expertise in backend development and managing asynchronous processing systems.
Top Benefits:
401-K
Child Care Benefits
Commuter Benefits
+35 More
9 Days Ago
Boston, MA
Remote
3,300 Employees
5-7 Years of Experience
3,300 Employees
5-7 Years of Experience
Information Technology • Security • Cybersecurity
Help define and build the future of Cloudflare's serverless database D1 to enable developers to build full stack applications. Requires 5+ years of experience in building full-stack web applications, knowledge of Javascript and Typescript, experience working with high volume SaaS applications, API design, and strong computer science fundamentals.
Top Benefits:
401-K
Child Care Benefits
Commuter Benefits
+45 More
11 Days Ago
Boston, MA
Hybrid
500 Employees
7+ Years of Experience
500 Employees
7+ Years of Experience
Fitness • Hardware • Healthtech • Sports • Wearables
As a Senior Software Engineer (Backend) at WHOOP, you will work on building and maintaining features across health pillars and connecting members to data science algorithms through visualizations. Responsibilities include back end development using Java, Kafka, Postgres, and collaborating with cross-functional teams. Qualifications include experience in backend development, interacting with relational databases, writing tests, and mentoring engineers.
Top Benefits:
401-K
Child Care Benefits
Commuter Benefits
+35 More
4 Days Ago
Boston, MA
Hybrid
1,000 Employees
$75K-$125K Annually
3-5 Years of Experience
1,000 Employees
$75K-$125K Annually
3-5 Years of Experience
Edtech • Fintech • Healthtech • Payments • Software
Seeking an experienced Full-stack Developer with a focus on front-end development using React and Java. Responsible for building and maintaining the user interface for a middleware platform integrating with Flywire products and institution student information systems. Collaboration with global teams, problem-solving, and product quality are key aspects of the role.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+44 More
3 Days Ago
Boston, MA
Remote
12,000 Employees
$139K-$245K Annually
5-7 Years of Experience
12,000 Employees
$139K-$245K Annually
5-7 Years of Experience
eCommerce • Fintech • Hardware • Payments • Software • Financial Services
Collaborate with cross-functional teams to design and build world-class product experiences for Square Invoices. Responsible for API design, implementation, automated testing, and feature rollout. Mentor team members and ensure high engineering standards. Partner with engineers from various platforms to ship new features and improve customer products.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+55 More
10 Days Ago
Boston, MA
Hybrid
500 Employees
3-5 Years of Experience
500 Employees
3-5 Years of Experience
Fitness • Hardware • Healthtech • Sports • Wearables
Join WHOOP's Personalization & Progress team as a Senior Software Engineer to architect and implement a unified coaching platform. Contribute to full stack development, collaborate with product and technical teams, mentor developers, and work on internal tooling development. Must have 4+ years of experience and expertise in web development technologies.
Top Benefits:
401-K
Child Care Benefits
Commuter Benefits
+35 More
3 Days Ago
Boston, MA
Remote
3,201 Employees
5-7 Years of Experience
3,201 Employees
5-7 Years of Experience
Automotive • Big Data • Insurance • Software
The Sr. Front End Developer at Agero will own the front end web code and experience, shape the front end architecture, mentor the front end team, and work on scaling the codebase. They will collaborate with designers, product managers, and backend developers to implement features and improvements.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+51 More
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