27 junior backend developer jobs at 16 companies in Newfane, NY
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Backend Engineer, Payments and Risk
Toronto or Seattle
$190k-$286k/yr OnsiteFull Time
2+ YOE2+ years software engineering experience, strong coding and collaboration skills, ability to work autonomously and across technologies; mentorship and generalist backend experience preferred.
gRPC, GraphQL, Docker, Kubernetes, AWS
2w
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Senior Back-End Developer
Toronto, Ontario, Canada
OnsiteFull Time
2+ YOEB.S. in CS or related (or equivalent experience),2+ years backend coding (Java/NodeJS),2+ years distributed cloud apps experience (OpenShift/Docker/Azure),REST/Swagger,production support,EM monitoring (Splunk/Dynatrace).
Java, NodeJS, OpenShift, Docker, Azure, Swagger/OpenAPI, Splunk, Dynatrace
1mo
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Software Engineer, Backend - Unified Gateway
Toronto, Ontario, Canada
$120k-$150k/yr OnsiteFull Time
2+ YOE2+ years backend/platform engineering; experience with gRPC, REST, Protocol Buffers, Kotlin (or JVM), distributed systems, API gateway concepts, and high-throughput production systems.
gRPC, Protocol Buffers, Kotlin, Vert.x, OpenAPI, Claude Code, Codex, Cursor
2w
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Back-end .net Developer
Toronto, Ontario, Canada
$66k-$99k/yr OnsiteFull Time
University degree in CS/CE, proficiency in C#, ASP.NET and SQL, database design experience, strong communication and problem-solving skills, ability to learn new technologies quickly.
C#, ASP.NET, SQL, ASP.NET Web API, ASP.NET Web Forms, ASP.NET Core, HTML, CSS, JavaScript, Python, Git
2mo
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Software Engineering Intern, Backend
Toronto, Ontario, Canada
OnsiteInternship
Pursuing a CS or related undergraduate degree (3rd+ year), available for a 4–12 month on-site internship in Toronto/GTA, 1+ prior software internship, knowledge of data structures, algorithms, system design, and server-side frameworks (Node.js/Express or Python/FastAPI).
TypeScript, Node.js, Express, Python, FastAPI, AWS DynamoDB, AWS S3, Redis, Apache Iceberg, AWS Lambda, AWS Step Functions, AWS SQS, SST, Pulumi, GitHub Actions
1w
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Product Engineer - Brand - Fullstack, Backend or Frontend
Kitchener-Waterloo or Toronto
$130k-$178k/yr HybridFull Time
2+ YOE2+ years experience, proficient in Java, Kotlin, or JavaScript; familiar with HTML, CSS, TypeScript, React/Next.js; bachelor's degree or equivalent; product-driven engineering and mentoring experience.
Kotlin, Java, Javascript, HTML, CSS, Typescript, React, NextJS, JUnit, Hibernate, Guice, Jersey, HTTP, JSON, Protocol Buffers, MySQL, CockroachDB, AWS
1mo
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Software Developer (265186)
Toronto, Ontario, Canada
OnsiteFull Time
Experience designing and developing IBM MDM solutions, Unix/AIX scripting (AWK/Perl), J2EE/Java backend development, MQ/Kafka integration, advanced SQL/DB2, Git-based CI/CD, and mentoring junior developers.
IBM MDM, AWK, Perl, Unix, AIX, J2EE, Java, IBM MQ, JMS, SQL, ORM frameworks, IBM pureQuery, IBM LUW DB2, GitHub, Bitbucket, Git, JAX-WS, Kafka, ETL, IBM WebSphere Admin, MDM transaction framework
2mo
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Software Developer
Toronto, Ontario, Canada
$70k-$100k/yr HybridFull Time
ShyftLabs: Builds custom AI and data platforms for enterprise digital transformation.
Design, develop, and maintain full‑stack software; strong Python/JavaScript; frontend/backend; Agile; AI tools exposure.
Python, JavaScript, Java, C++, TypeScript, HTML, CSS, React, Angular, Git, REST, SQL, NoSQL, OpenAI APIs
1mo
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Software Developer
Oakville or Toronto or Waterloo
$86k-$106k/yr HybridFull Time
2+ YOE2+ years software development experience; Bachelor's in CS/EE/Software Engineering; strong frontend skills with React, Redux, TypeScript; backend exposure to Go, Python, SQL; proficiency with Git; familiarity integrating AI tooling.
React, Redux, TypeScript, JavaScript, Go, Python, SQL, Git
4d
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Software Engineer, Wallet
Toronto, Ontario, Canada
$136k-$160k/yr HybridFull Time
2+ YOERequires 2+ years of software development experience, backend expertise in Go, Python, or Java, cloud-native architecture knowledge, and strong system design, data modeling, and collaboration skills.
Go, Python, Java, EVM blockchains, smart contracts
1mo
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Software Developer, Full Stack (Client Experience)
Montréal or Toronto or Canada
HybridFull Time
2+ YOE2+ years software development experience; React/TypeScript frontend, Python backend and REST APIs; interest in data engineering (SQL, dbt, Snowflake, Airflow); collaborative and communicative.
React, TypeScript, Python, REST APIs, SQL, dbt, Snowflake, Airflow, AWS EKS, Kubernetes, CircleCI, LaunchDarkly, Datadog
1mo
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Software Developer
Toronto or Saskatoon
$80k-$120k/yr HybridFull Time
2+ YOE2+ years building web applications; degree or equivalent experience in CS or related field; proficiency with a backend language and relational databases; experience with AI dev tools (Copilot, Claude); strong communication and ownership.
Copilot, Claude, Elixir
3w
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Software Engineer, User Profile
Alberta or Calgary or Canada or Toronto or Vancouver
RemoteFull Time
2+ YOE2+ years backend experience, strong algorithms/problem solving, experience with Go/Java/Python/C++ and distributed systems, Kafka and distributed databases experience preferred.
Golang, Kafka, Kubernetes, Redis, ScyllaDB, TiDB, Java, Python, C++
1mo
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Software Engineer, General - Toronto
Toronto, Ontario, Canada
$90k-$120k/yr OnsiteFull Time
0+ YOE0–2 years software engineering experience, fluency in a backend language (Python or TypeScript), experience with LLMs/AI integrations, familiarity with modern web stacks, CI/CD, strong communication and problem-solving skills.
Python, TypeScript, LLMs, CI/CD
3w
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Full Stack Engineer, Support Experience
Toronto, Ontario, Canada
OnsiteFull Time
2+ YOE2+ years building production software, full-stack engineering across frontend and backend, strong coding, testing, observability, user empathy, and ability to integrate services.
JavaScript, React, Ruby
1mo
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Design Engineer, Canada
Canada or Vancouver or Toronto or Montreal
$117k-$200k/yr RemoteFull Time
Ashby: Provides all-in-one recruiting software for high-growth businesses.
0+ YOEDesign-and-code role requiring strong visual design and front-end engineering skills; proficiency with TypeScript, React, and CSS; familiarity with backend technologies (Node.js, GraphQL, Postgres, Redis) is a plus.
TypeScript, React, GraphQL, Node.js, Postgres, Redis, CSS, CI/CD
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Machine Learning Engineer, Applied AI
Toronto, Ontario, Canada
OnsiteFull Time
1+ YOE1+ years shipping ML products; backend coding in Python, PyTorch, Jax; designing evaluations; dataset curation; familiarity with transformers and diffusion; strong communication and collaboration skills.
Python, PyTorch, Jax
3mo
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Payments Engineering Intern (12-month)
Toronto or Canada
$35-$40/hr RemoteInternship
0+ YOE8+ months of full-stack web development; experience with Python, SaaS, and building features end-to-end; able to work across frontend and backend; quick learner.
Python, FastAPI, React, TypeScript, PostgreSQL, Redis, Gitlab, AWS, Kubernetes, Snowflake, BigQuery, Datadog, Amplitude, Hotjar, LogRocket, Kafka
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