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72 back end software engineer jobs at 44 companies in Massachusetts

1mo
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Backend Software Engineer
Yokne'am Illit or Needham
HybridFull Time
Silk
Silk: Software-defined cloud storage platform for mission-critical applications.
BSc in CS or Software Engineering, proven system-level software development experience in Linux, multi-threaded programming, strong analytical and communication skills in Hebrew and English.
C, C++, Linux, Linux kernel
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1mo
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Backend Software Engineer
Waltham or Boston or United States
$127k-$171k/yr HybridFull Time
ERGO NEXT Insurance
ERGO NEXT Insurance: Digital insurance provider tailored for small businesses and entrepreneurs.
8+ YOE8+ years backend development with Java/Kotlin or similar, B.Sc. in Computer Science, strong OOP, distributed/cloud experience (AWS preferred), relational DB/SQL skills, and strong communication.
Kotlin, Java, Python, .NET, AWS, Relational Databases, SQL, CI / CD
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1mo
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Backend Software Engineer
Waltham or Boston
$127k-$171k/yr HybridFull Time
ERGO NEXT Insurance
ERGO NEXT Insurance: Provides digital insurance tailored for small business owners and entrepreneurs.
8+ YOE8+ years backend development experience with Java/Kotlin or similar; BSc in Computer Science required; strong OOP, SQL, cloud (AWS) and CI/CD experience; excellent communication skills.
Kotlin, Java, Python, .NET, AWS, SQL, CI/CD, Zoom
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2mo
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Staff Backend Software Engineer
San Francisco or Cambridge
$180k-$225k/yr OnsiteFull Time
Lumafield
Lumafield: Accessible industrial CT scanners and cloud-based analysis software
10+ YOE10+ years backend software development; expert Python, Django/DRF; PostgreSQL, AWS (S3, RDS/Aurora, IAM); Celery; Kubernetes; Docker; SOC2/ISO27001 security familiarity; scalable cloud architectures.
Python, Django, DRF, Celery, PostgreSQL, AWS, S3, Aurora, IAM, VPC, SageMaker, Kubernetes, Docker
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1w
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Backend Engineer
California or Colorado or Georgia or Idaho or Illinois or Kansas or Massachusetts or Maryland or Michigan or Minnesota or New Jersey or New York or Ohio or Oregon or Pennsylvania or Rhode Island or Texas or Washington
$180k-$220k/yr RemoteFull Time
Unit21
Unit21: Provides an AI-powered platform for fraud and money laundering detection.
5+ YOE5+ years in data/software engineering, experience with large-scale data processing, advanced SQL, Python/OOP, cloud platforms, and infrastructure-as-code (Terraform).
Apache Spark, Databricks, Flink, Beam, Python, SQL, AWS, Azure, Google Cloud, Terraform
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2mo
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Backend Software Engineer – Robotics Platform
Charlestown, Massachusetts, United States
$120k-$185k/yr HybridFull Time
Pickle Robot
Pickle Robot: Automated robotic systems for unloading trucks and containers.
5+ YOE3–7 years backend or distributed systems; strong Python; C++ or similar; software architecture; experience with event-driven or microservices; robotics/ hardware exposure a plus.
Python, C++, Kafka, ROS
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2w
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Backend Software Engineer III
Boston, Massachusetts, United States
OnsiteFull Time
Chewy
ChewyNYSE: CHWY: Online retailer of pet food, supplies, and veterinary services.
7+ YOE7+ years building scalable distributed backend systems; strong Java/Spring Boot/AWS experience; knowledge of event-driven architecture, observability, CI/CD, and on-call practices.
Java, Spring Boot, AWS, Lambda, SQS, DynamoDB, S3, API Gateway, JavaScript, SNS, Kafka, Dynatrace, Amazon CloudWatch, GitHub Copilot, Cursor, Claude, Terraform, React, Typescript
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3w
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Senior Backend Software Engineer
Arkansas or California or Colorado or District of Columbia or Florida or Illinois or Massachusetts or Maryland or Maine or Michigan or New Jersey or Ohio or Pennsylvania or South Carolina or Texas or Utah or Virginia or Washington
$165k-$195k/yr RemoteFull Time
SITE Technologies
SITE Technologies: Provides AI-powered property condition assessments and management software.
5+ YOE5+ years backend development experience with Python and FastAPI, strong backend architecture, relational modeling, AWS services, Docker, CI/CD, and cross-team communication.
Python, FastAPI, PostgreSQL, SQLAlchemy, Alembic, Flyway, AWS, ECS, Lambda, RDS, S3, IAM, Docker, Git, CI/CD, GitHub Actions, AWS CodePipeline, Claude Code, Cursor, Terraform, Terragrunt, Datadog, Sentry, LangGraph, Claude Code SDK, Amazon Bedrock
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Senior Backend Software Engineer
Watertown, Massachusetts, United States
OnsiteFull Time
Flexcompute
Flexcompute: Develops GPU-native multiphysics simulation software for hardware engineers.
Bachelor's in CS/CE required; senior-level backend experience with Java, Python, or C++; strong AWS/cloud, Docker/Kubernetes, distributed systems, Linux, infrastructure automation (Terraform/Ansible), and web API design.
Java, Python, C++, AWS, Docker, Kubernetes, Linux, Terraform, Ansible, Slurm, Flow360, Tidy3D, CI/CD, HPC
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Software Engineer - Backend (Fall 26' Intern)
Natick, Massachusetts, United States
$28-$32/hr OnsiteInternship
Delsys
Delsys: Designs and manufactures advanced wearable electromyography and physiological sensors.
Currently enrolled or recently graduated in CS/CE or similar; fluent in Java, C#, or C++; strong OOP and back-end development experience for Windows or Linux; wearable sensor experience useful; must show valid work eligibility.
Java, C#, C++, Windows, Linux
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2mo
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Software Engineer (Backend), Content Foundations
San Francisco or Atlanta or Austin or Boston or Chicago or Dallas or Denver or Houston or Jacksonville or Los Angeles or Mexico City or Miami or New York City or Ottawa or Phoenix or Portland or Sacramento or Salt Lake City or San Diego or Seattle or Toronto or Vancouver or Washington, D.C.
$104k-$187k/yr HybridFull Time
Scribd
Scribd: Subscription-based digital library for e-books, audiobooks, and documents.
4+ YOE4+ years as a software engineer; backend/data pipelines; comfortable with messy data; proficient in Ruby, Python, or Go; AWS experience; SQL; collaborative and communicative.
Ruby, Python, Go, AWS, S3, SQS, SNS, SQL
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2mo
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Senior Backend Engineer
Cambridge or Pune
$140k-$180k/yr OnsiteFull Time
Blitzy
Blitzy: Autonomous AI platform for enterprise software development.
5+ YOESenior backend engineer with 5–8 years of software engineering, solutions architecture, or technical leadership experience; strong enterprise development and SDLC knowledge.
AWS, GCP, Azure, Docker, Kubernetes, API design, CI/CD, Security protocols
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2mo
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Sr. Backend Software Engineer (Video Engineering)
San Francisco or Brooklyn or Cambridge or United States
$150k-$235k/yr RemoteFull Time
Philo
Philo: A subscription-based live and on-demand television streaming service.
8+ YOE8+ years software development; Golang/Java/C++; distributed systems; cloud (Docker/Kubernetes); RESTful services; data handling; agile methods; video/streaming experience preferred.
Golang, Java, C++, Docker, Kubernetes, REST, FFmpeg, AWS Elemental, Azure Media Services
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2mo
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Backend Engineer
Somerville, Massachusetts, United States
$140k-$170k/yr OnsiteFull Time
Health Payment Systems
Health Payment Systems: Healthcare payments, provider network, and patient financing platform.
Strong object-oriented Python; API design in production; collaborate in engineering; build and scale systems; improve reliability and performance.
Python, APIs, Object-Oriented Programming
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1w
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Senior Backend Software Engineer - Node.js/TypeScript
New York or California or Massachusetts or Texas or New Jersey or United States
$120k-$150k/yr RemoteFull Time
Makai Labs
Makai Labs: Provides AI-powered enterprise automation and human-machine teaming solutions.
7+ YOE7+ years backend engineering experience with Node.js/TypeScript, production services, regulated/compliance environments, relational data modeling, Docker, and microservices patterns.
Node.js, TypeScript, Docker, NestJS, Express, Fastify, Azure, Kubernetes, AKS, Temporal
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5d
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Sr. Software Engineer (Back End)
Boston, Massachusetts, United States
$176k-$184k/yr HybridFull Time
Wonder
Wonder: Provides a multi-restaurant food delivery and meal kit platform.
5+ YOE5+ years building concurrent distributed systems; proficiency with Elixir, OTP, Phoenix, PostgreSQL; experience with WebSocket/REST APIs and Terraform; BS/MS in CS or related field.
Elixir, OTP, Phoenix, PostgreSQL, WebSocket, REST, Terraform
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1mo
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Senior Backend Engineer
Cincinnati or Boston or United States
OnsiteFull Time
Tesouro
Tesouro: Provides embedded payment infrastructure for software platforms and banks.
Senior-level backend engineer with ownership of production microservices, experience with distributed systems, integrating partner banks/card networks, AI-assisted workflows, and strong collaboration and judgment.
C#, .NET, Python, AWS, Kubernetes (EKS), PostgreSQL, Cassandra, Redis, RabbitMQ, Kafka, React, NX, ArgoCD, GitHub Actions, PACT, xUnit, Cucumber, Jest, Playwright, Grafana, OpenTelemetry, PagerDuty
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Senior Backend Engineer – AI Platform
Boston or San Francisco or Seattle or Dallas or Salt Lake City or Portland or United States
$122k-$146k/yr RemoteFull Time
WEX
WEXNYSE: WEX: Provides global payment processing and business information management services.
5+ YOEBachelor's in CS/Software Engineering, 5–8 years software engineering experience; expertise in backend Java/C# (SpringBoot), REST/gRPC, SQL; experience building scalable distributed systems and AI/LLM-driven services.
Java, C#, SpringBoot, REST, gRPC, ODATA, SQL, OpenAI APIs, LangChain, Python, Kafka, Docker, Kubernetes, Model Context Protocol (MCP), Pinecone, Weaviate, OpenSearch, Milvus
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3w
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Staff Software Engineer, Backend
Boston or United States
$151k-$309k/yr HybridFull Time
Toast
ToastNYSE: TOST: Cloud-based technology platform for the restaurant and hospitality industry.
8+ YOE8+ years building backend services; proficient in Java or Kotlin; experience with microservices, containerization, databases, API and service design; React experience; strong communication and technical leadership.
Kotlin, Java, React, Claude Code, GitHub Copilot, DynamoDB, PostgreSQL
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1mo
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Backend Engineer, Flag Delivery
Oakland or San Francisco or New York City or Boston or Seattle or Irvine or Los Angeles or Monterey or Santa Barbara or Santa Rosa or Austin or Portland or Philadelphia or Chicago or United States
$146k-$235k/yr OnsiteFull Time
LaunchDarkly
LaunchDarkly: Provides a feature management platform for software development teams.
5+ YOE5+ years backend engineering experience building/operating production distributed systems; strong programming in Go/Java/Rust; production debugging, observability, on-call experience; clear AI usage in engineering work.
Go, Java, Rust
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