20 junior backend developer jobs at 18 companies in Boston, MA
🚀PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yrOn-SiteFull Time
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Pickle Robot: Automated robotic systems for unloading trucks and containers.
2+ YOE2+ years backend or distributed systems experience; strong Python; experience with Flask/REST APIs; familiarity with C++ or other strongly typed languages; event-driven and messaging systems; hardware/robotics integration a plus.
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.
New York or San Francisco or Austin or Portland or Los Angeles or Seattle or Boston or Chicago or Denver or United States
$98k-$165k/yrRemoteFull Time
Ashby: Provides all-in-one recruiting software for high-growth businesses.
0+ YOEDesign and implement UI/UX and production-quality code; proficiency with TypeScript, React, CSS; familiarity with backend technologies (Node.js, GraphQL, Postgres, Redis); strong visual design and product thinking. Junior applicants: 0–2 years industry experience.
ZoomInfoNASDAQ: GTM: Provides B2B contact data and sales intelligence software.
2+ YOEBackground in backend development with Java and Node.js, experience with Kafka, SQL Server/MongoDB, RESTful APIs, cloud (AWS/GCP), Docker/Kubernetes/ECS, Jira and VS Code; Masters+2yrs or Bachelors+4yrs.
New York or Los Angeles or Boston or Jersey City or Houston
$115k-$130k/yrRemoteAll Commitments Available
Makai Labs: Provides AI-powered enterprise automation and human-machine teaming solutions.
Hands-on AI engineer with Python skills; experience building AI apps; internship/coursework/research or projects; ability to prototype and iterate quickly.
Charles River Analytics: Develops human-centered AI and intelligent systems for national security.
2+ YOE2+ years professional UX software development experience (5+ preferred), Bachelor's in CS/engineering or equivalent, U.S. citizenship, hybrid onsite in Cambridge (3 days/week), JavaScript and backend integration experience, Agile/Scrum familiarity, occasional travel.
Columbus or Boston or Chicago or Austin or Los Angeles or United States or Canada or United Kingdom or Australia
$125k-$165k/yrHybridFull Time
Loop Returns: Software platform automating e-commerce returns and post-purchase experiences.
2+ YOE2+ years building web applications, backend services, or APIs. Experience using AI agents in engineering workflows, testing and CI/CD, and familiarity with PHP/Laravel, Vue.js, AWS Serverless, MySQL, or DynamoDB is a plus.
Software Engineer II (Mobile Developer - Android/Kotlin) - Mobile App Growth
Boston, Massachusetts, United States
$116k-$174k/yrOnsiteFull Time
KlaviyoNYSE: KVYO: Software platform for automated e-commerce marketing and customer data.
1+ YOEAndroid-first engineer with 1+ years professional Android/Kotlin experience, production SDK experience, debugging across devices, testing/CI knowledge, and willingness to work on adjacent mobile and backend areas.
Lisbon or San Francisco or Sunnyvale or Raleigh or Seattle or Boston or London or Bengaluru or Dublin or Kyiv or United States or Portugal
RemoteFull Time
SingleStore: Provides a distributed SQL database for real-time analytics.
2+ YOE2+ years building distributed systems or backend services; strong Go (Golang) proficiency; familiarity with Kubernetes, cloud providers (AWS/GCP/Azure), observability concepts, and debugging production systems.
Poughkeepsie or Lowell or Durham or Bellevue or San Jose or Dallas
$88k-$152k/yrHybridFull Time, Internship
IBMNew York Stock Exchange: IBM: Global technology providing enterprise software, cloud, and consulting.
Must be currently enrolled in a Bachelor’s or Master’s in Computer Science or related field, available for an in-person full-time co-op (Jan–Jun 2026). Familiarity with HTML, CSS, JavaScript, React/Angular/Vue, backend tech (Node.js/Java/Python/SQL), Git/IDEs, APIs, containers, and cloud platforms. Must be able to work without visa sponsorship.
HTML, CSS, JavaScript, React, Angular, Vue, Node.js, Java, Python, SQL, Git, IDEs, APIs, IBM Cloud, AWS, Microsoft Azure, Linux, Unix, GO, NodeJS, Eclipse, Microsoft Visual Studio Code, PostgreSQL, MySQL, Db2, Oracle, SQL Server, Jenkins, Puppeteer, Selenium, Playwright, Cypress, Travis, REST API
KlaviyoNYSE: KVYO: Customer data platform for e-commerce marketing and automation.
Master's degree in a related field required. Experience providing backend support with RPC and MongoDB, designing parallel programs, using RabbitMQ, Redis, MySQL, Kubernetes or Anvil Cloud, Django/Python, Hive, and Golang. Experience building scalable systems and debugging performance.
Displai: AI-powered platform for managing interactive digital signage content.
1+ YOE1–4 years software engineering experience; strong TypeScript/Node and React skills; backend API and SQL experience; familiarity with agentic coding tools (Claude Code, Cursor, MCP); Git, testing, and CI/CD experience.
EY-Parthenon - Strategy and Execution - Growth Platforms - Software Engineer - Sr Assoc/Consultant (New York, NY, US, 10001-8604)
New York or Atlanta or Boston or Chicago or Dallas or Denver or Detroit or Houston or Los Angeles or McLean or Hoboken or Philadelphia or San Francisco or Seattle
$130k-$185k/yrHybridFull Time
EY: Global firm providing audit, tax, and professional consulting services.
1.5+ YOEBachelor's degree plus ~2 years related experience (or graduate degree plus ~18 months). Experience with backend/full‑stack development (Python, Java, Scala, TypeScript), cloud (AWS/GCP), containerization, IaC, LLM integration, and productionizing AI tooling; strong communication and client‑facing skills.
Python, Java, Scala, TypeScript, AWS, GCP, Microsoft Copilot
Infineon TechnologiesFrankfurt Stock Exchange: IFX: Designs and manufactures semiconductors for power and IoT systems.
Graduate-level candidates (Fall 2025 or Spring 2026) with a relevant Bachelor's or Master's degree or 3+ years vocational training; knowledge of semiconductor backend processing, design verification, yield optimization, root cause analysis, strong communication and problem-solving; must be US citizen or permanent resident.
Publicis GroupeEuronext Paris: PUB: Global advertising and digital transformation agency holding.
Proven experience building production distributed systems; strong backend in Java; Spark data tooling; cloud experience (AWS/Azure/GCP); leadership in design reviews and standards.
Pryzm: AI-powered platform for federal procurement and government contracting.
2+ YOE2+ years in software/forward deployed engineering; backend language (Python, Go, Java, or similar); experience deploying/integrating software; data handling and REST APIs; customer-facing work; eligible for on-site US work.