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Top Backend Engineer Jobs in Boston

62+ Job Results
3 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.
3 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.
9 Days 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
85 Employees
3-5 Years of Experience
85 Employees
3-5 Years of Experience
Blockchain • Cloud • Enterprise Web • Fintech • On-Demand • Database • Web3
Build front-end interfaces, develop backend APIs, manage product uptime, visualize blockchain data, work with product and data science teams.
Top Benefits:
401-K
Company Equity
Company Outings
+12 More
2 Days Ago
Boston, MA
Remote
12,431 Employees
$153K-$248K Annually
7+ Years of Experience
12,431 Employees
$153K-$248K Annually
7+ Years of Experience
eCommerce • Fintech • Hardware • Payments • Software • Financial Services
As a Staff Fullstack/Frontend Software Engineer on the Franchise Suite Organization Management team, you will collaborate with product managers, designers, and other engineers to deliver user-facing features, stay updated on frontend technologies, and mentor engineers across the organization.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+29 More
2 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 seeking experienced Frontend Software Engineers to build and scale services, focusing on large-scale applications and customer experience. Responsibilities include working with product and content owners, designers, and software engineers to develop web applications using modern frontend frameworks like React and AngularJS.
2 Days Ago
Boston, MA
Remote
Hybrid
12,428 Employees
$153K-$248K Annually
7+ Years of Experience
12,428 Employees
$153K-$248K Annually
7+ Years of Experience
Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
As a Staff Fullstack/Frontend Software Engineer at Square, you will collaborate with product managers, designers, and engineers to deliver new user-facing features for franchise and multi-entity businesses. You will stay up-to-date with frontend technologies, advocate for process changes, mentor engineers, and have ownership of the FS Dashboard.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+26 More
2 Hours 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
2 Days Ago
Boston, MA
Remote
3,300 Employees
3-5 Years of Experience
3,300 Employees
3-5 Years of Experience
Information Technology • Security • Cybersecurity
Frontend Software Engineer role at Cloudflare in the Trust & Safety Engineering team. Responsible for designing, building, maintaining, and scaling UIs using TypeScript and React. Collaborate with product owners, UX designers, and backend engineers to deliver high-quality products aligning with customer needs.
2 Days Ago
Boston, MA
Remote
$140K-$185K Annually
5-7 Years of Experience
$140K-$185K Annually
5-7 Years of Experience
eCommerce • Fashion • Productivity • Software
Seeking a Founding Software Engineer with experience in React, Node.js, and Prisma to design, develop, and maintain web-based applications. Responsibilities include writing high-quality code, optimizing performance, and collaborating with stakeholders. Requires a Bachelor's degree in Computer Science, 5+ years of experience, and strong proficiency in React, Node.js, and Prisma.
2 Days Ago
Boston, MA
Remote
75 Employees
7+ Years of Experience
75 Employees
7+ Years of Experience
Artificial Intelligence • Big Data • Machine Learning • Retail • Software
True Fit is looking for a Senior Engineer (Full stack) to work with a cross functional team of developers, product managers, UX researchers, and data scientists in the US. This is an exciting opportunity to work on a brand new user experience journey using some of the latest technologies in this space.
Top Benefits:
401-K
Company Equity
Company Outings
+38 More
3 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
3 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
10 Days Ago
Boston, MA
Remote
12,428 Employees
$168K-$297K Annually
5-7 Years of Experience
12,428 Employees
$168K-$297K Annually
5-7 Years of Experience
Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
Square is looking for a senior backend Software Engineer to expand pricing and cost solutions, design scalable systems, implement new features, work cross-functionally, and mentor team members. The position involves data-driven improvements to core payment profitability through pricing and cost optimization.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+26 More
7 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
9 Days Ago
Boston, MA
Remote
12,431 Employees
$168K-$297K Annually
5-7 Years of Experience
12,431 Employees
$168K-$297K Annually
5-7 Years of Experience
eCommerce • Fintech • Hardware • Payments • Software • Financial Services
Square is looking for a senior backend Software Engineer to help expand their pricing and cost solutions and scale the platform. Responsibilities include designing scalable systems, implementing solutions, working cross-functionally with teams, and providing technical mentorship. Required qualifications include a BA/BS degree, 5+ years of experience, working cross-functionally, and curiosity in creating scalable data systems. Technologies used include Java, Python, Ruby, and various tools and platforms. The job offers a market-based approach to pay based on location.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+29 More
9 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
6 Days Ago
Boston, MA
Remote
32 Employees
5-7 Years of Experience
32 Employees
5-7 Years of Experience
Artificial Intelligence • Cloud • Healthtech • Software
Lead Software Engineer responsible for software architecture, technical contributions, mentorship, thought leadership, and working across various initiatives in a healthcare technology company. Must have 5+ years of technical leadership experience and expertise in front-end technologies like React and Node.
Top Benefits:
401-K
Child Care Benefits
Commuter Benefits
+57 More
9 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
2 Days Ago
Boston, MA
Hybrid
1,800 Employees
$192K-$288K Annually
7+ Years of Experience
1,800 Employees
$192K-$288K Annually
7+ Years of Experience
eCommerce • Marketing Tech • Software
Lead Software Engineer role at Klaviyo focusing on enhancing the home page, driving engagement, and optimizing page performance. Responsibilities include collaborating with various teams, architecting scalable systems, implementing infrastructure, and delivering timely insights. Requires 8+ years of full stack development experience.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+50 More
18 Hours Ago
Boston, MA
Remote
315 Employees
3-5 Years of Experience
315 Employees
3-5 Years of Experience
Big Data • Enterprise Web • HR Tech • Information Technology • Software • Analytics • Cybersecurity
Senior Front-end Developer role at Immersive Labs, responsible for building the learning platform's user interface, collaborating in a multi-disciplinary agile team, and working on innovative solutions.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+67 More
15 Hours Ago
Boston, MA
Remote
12,431 Employees
$126K-$223K Annually
5-7 Years of Experience
12,431 Employees
$126K-$223K Annually
5-7 Years of Experience
eCommerce • Fintech • Hardware • Payments • Software • Financial Services
Collaborate with engineers, designers, and product managers to build world-class product experiences for Square Invoices. Responsible for API design, implementation, testing, and rollout. Mentor team members and ensure high engineering and ethical standards are met. Partner with other engineers to ship features and improve products based on customer feedback.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+29 More
9 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 as a Web Software Engineer on the Growth team to work on the e-commerce platform, develop features for sales growth, and enhance member experience. Responsibilities include building an e-commerce platform, web development, interfacing with e-commerce platforms, and facilitating growth experiments. Qualifications include strong JavaScript knowledge, React development experience, and positive attitude.
Top Benefits:
401-K
Child Care Benefits
Commuter Benefits
+35 More
9 Days Ago
Boston, MA
Hybrid
500 Employees
7+ Years of Experience
500 Employees
7+ Years of Experience
Fitness • Hardware • Healthtech • Sports • Wearables
Join WHOOP's Growth team as a Senior Full Stack Software Engineer to work on their e-commerce platform, developing features to increase sales and provide a great experience for members. Requires strong web technology knowledge, e-commerce concepts understanding, and collaboration with product and technical vision.
Top Benefits:
401-K
Child Care Benefits
Commuter Benefits
+35 More
2 Days Ago
Boston, MA
Remote
3-5 Years of Experience
3-5 Years of Experience
HR Tech • Professional Services • Software
Develop and test software components for a responsive web application using ReactJS and related technologies.
Top Benefits:
401-K
Company Equity
Dental Insurance
+16 More
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