Senior Backend Developer
$100k - $140k per yearShyftlabs
About ShyftLabs
At ShyftLabs, we live and breathe data. Since 2020, we’ve been helping Fortune 500 companies unlock growth with cutting-edge digital solutions that transform industries and create measurable business impact. We’re growing fast and we’re looking for passionate problem-solvers who are ready to turn big ideas into real outcomes.
The Opportunity
ShyftLabs is looking for a Senior Developer to help design, build, and scale our next generation of data-driven platforms and systems. This role sits at the intersection of platform engineering, system integrations, and intelligent product development , and will play a key role in shaping how our products evolve.
You will work closely with Product, Architecture, and cross-functional engineering teams to plan and deliver new features, lead development efforts, and ensure seamless integration across internal and external systems. This includes building robust APIs, event-driven services, and third-party integrations , while also contributing to emerging AI-powered capabilities within our platforms.
The ideal candidate combines strong backend and frontend engineering skills with experience in distributed systems, integrations, and scalable architectures . JavaScript, TypeScript, Node.js, and GraphQL remain core requirements for this role.
What You'll Do
Design and development of scalable, service-based architectures (front-end and back-end), while remaining hands-on in coding and delivery
Architect and implement system integrations across internal services and third-party platforms (REST, GraphQL, event streams, webhooks, ETL pipelines)
Collaborate with Product to translate business requirements into technical solutions , defining scope, complexity, and dependencies
Drive development across teams for services built in Node.js, TypeScript, JavaScript, and Python
Design and maintain API contracts, data models, and integration patterns to ensure consistency and reliability across systems
Build and optimize secure, high-performance, and highly available systems
Contribute to AI-enabled features and workflows , including integration of ML models, LLM APIs, or intelligent automation pipelines
Partner with architects to define system design, integration strategies, and reusable frameworks
Produce clear technical documentation (architecture diagrams, data flows, API specs, integration patterns)
Establish and enforce best practices in code quality, testing, and deployment
Lead code reviews, approve merges, and mentor engineers across teams
Troubleshoot complex production issues and drive resolution across distributed systems
Oversee the end-to-end lifecycle of feature development—from design through deployment and monitoring
What You Bring
5+ years of experience building scalable, production-grade software systems across front-end and back-end
Bachelor’s degree in Computer Science or a related field
Strong expertise in JavaScript and TypeScript
Proven experience with Node.js and GraphQL (required)
Deep experience building and consuming RESTful APIs and distributed services
Strong proficiency with tools and technologies such as Python, Docker, Git, SQL, and cloud-native architectures
Hands-on experience with GCP or AWS services (e.g., S3, CloudFront, EC2, RDS, Lambda, Batch)
Experience designing and implementing system integrations (microservices, third-party APIs, event-driven architectures, messaging systems like Kafka/SQS)
Ability to lead and deliver large, complex technical initiatives
Strong understanding of software design patterns, system architecture, and data flow design
Excellent communication skills, with the ability to articulate complex technical concepts clearly
Experience working in Agile/Kanban environments and a strong understanding of the SDLC
Adaptability and a proactive mindset in fast-paced, evolving environments
Nice to Have
Experience working on or building tax, fintech, or compliance-related products (e.g., tax calculation engines, filing systems, regulatory platforms)
Exposure to AI/ML engineering , including integrating LLM APIs, building data pipelines for ML workflows, or deploying AI-driven features
Experience with data platforms, data pipelines, or analytics systems
Familiarity with event-driven architectures and real-time data processing
Experience designing multi-tenant or enterprise-grade SaaS platforms
Background in integration-heavy environments (e.g., ERP, financial systems, external data providers)
Salary Range
- $100,000 - $140,000 (CAD)
Why You’ll Love Working at ShyftLabs
At ShyftLabs, your work matters. We’re a growing data product company making a big impact with Fortune 500 clients and as we scale, you’ll have the chance to shape solutions, influence strategy, and grow your career alongside us.
Here’s what you can expect when you join our team:
-Hybrid Flexibility: Enjoy a hybrid model with three days per week in our Toronto office.
-Downtown Toronto Office: Work in the heart of the city.
-Comprehensive Benefits: We cover 100% of health, dental, and vision insurance premiums for you and your dependents which means no out-of-pocket costs. Eligibility starts from day one itself.
-Growth & Learning: Access extensive learning and development resources to keep leveling up your skills.
Inclusion at ShyftLabs
We’re building something big, and we want you on the journey with us. If you’re ready to use data and innovation to make an impact, apply today and let’s grow together.
ShyftLabs is an equal-opportunity employer committed to creating a safe, diverse, and inclusive environment. We encourage applicants of all backgrounds including ethnicity, religion, disability status, gender identity, sexual orientation, family status, age, and nationality to apply. If you require accommodation during the interview process, let us know and we’ll be happy to support you.
$120k - $135k per year
...Built it. Scale it. Own it. Sangoma is excited to announce an opening for a Senior Backend Developer to join our talented team. As a recognized leader in business communications solutions, we strive to provide innovative and effective services that empower businesses to...SeniorRemote jobFull timeWork from homeFlexible hours$125k - $165k per year
...us and shape the future of care. Fullscript is looking for an experienced Senior Backend Engineer to join the infrastructure team responsible for the long-term health, scalability, and developer experience of Fullscript’s core application. Our team enables fast, reliable...SeniorLong term contractFull timeWork at officeWork from homeFlexible hours- ...Great Place to Work ®, five years in a row! We’re on the hunt for a top-tier Senior Software Developer who will be responsible for designing, developing, and maintaining high-performance backend services and infrastructure. You will work closely with cross-functional teams...SeniorLong term contractFull timeInternshipWork at officeRelocation package
$140k - $180k per year
...Australia, and Japan. We’re looking for a Senior Software Engineer to join the Campaigns... ...recipient. Build for Extensibility : Develop flexible, configurable systems that allow... ...Delivery End-to-End : Take ownership of complex backend features from technical design through...SeniorFull timeFlexible hours- ...launched English game is in its early stages. We are seeking a skilled Senior Full Stack Developer with expertise in infrastructure and tooling to join our team. This role requires proficiency in backend service development, AWS and experience with DevOps practices and live...SeniorFull timeInternshipWorldwide
- ...one37 is looking for a Backend Developer for its mobile wallet that will revolutionize the way individuals own and share their personal data. You probably heard about the latest trends regarding web3 and blockchain. Well, with one37, you won't only work on this technology...Full time
$80k per year
...Backend PHP Developer About Smooth Commerce: Smooth Commerce is a dynamic B2B SaaS platform specializing in first-party white-label web and application-based digital ordering, customer marketing, and loyalty systems. Our primary market is the restaurant technology...Full timeImmediate startRemote work- ...We are seeking a highly experienced Staff Software Developer to lead the design and evolution of Kepler’s backend systems and platform architecture. This role operates... ..., tradeoffs, and risk management ~ Mentor senior engineers and help grow technical leadership across...SeniorLong term contractFull timeInternshipWork at officeImmediate startRelocation package
$85 per hour
...investors include Benchmark , General Catalyst , Peter Thiel , Adam D'Angelo , Larry Summers , and Jack Dorsey . Position: Backend Engineer (Coding Agent Experience) Type: Contract Compensation: $85/hour Location: Remote Role...Full timeContract workSummer workRemote work$90k - $110k per year
...The Intermediate Backend Developer works closely with engineering teams to design, implement, and maintain components of the Smile Digital... ...while developing deeper technical expertise in preparation for senior-level responsibilities. Responsibilities: Design and...SeniorRemote jobFull timeInternship- ...medications without ever needing to step foot in a pharmacy. As a Senior Backend Engineer , you will have a hand in architecting the... ...reliability, and scalability. You will work closely with other developers, as well as with groups such as product management and design,...SeniorFull timeLive out
- ...tooling, and a growing portfolio of agentic workflows that accelerate investigations and back-office execution. We are hiring a Senior backend engineer to build and productionize agentic systems that are safe, observable, and auditable while strengthening service...SeniorHourly payPermanent employmentFull timeWork at office
$140k - $180k per year
...marketing teams rely on daily. Responsibilities: Design, build, and maintain scalable backend systems that power our measurement, attribution, and reporting capabilities Develop robust data pipelines and services to transform raw event streams and metrics into...SeniorFull time$117k - $167k per year
...Our Data Intelligence team builds backend services that turn data from our SaaS platform into high-value, actionable insights for our customers... ...How you'll shape Data Intelligence at Achievers: Design, develop, and maintain backend services that support reporting, analytics...SeniorPermanent employmentFull timeWork at officeFlexible hours- ...Senior Back End Developer We are disrupting the world of Finance – think Big Data; think Natural Language Processing; think Artificial Intelligence... ...) Knowledge of database theory; familiarity with MySQL Backend web development within frameworks like Django, AppEngine and...SeniorFull time
- ...platform, d1g1t gives client-facing advisors, back-office teams, and senior leadership the real-time tools and intelligence they need to... ...About the Role We are looking for a Senior Software Engineer, Backend to join our engineering team and contribute to a large, complex production...SeniorLong term contractFull timeFlexible hours
- ...At Harvey, the future of professional services is being written today — and we’re just getting started. Role Overview As a Backend Software Engineer at Harvey, you’ll play a pivotal role in constructing the foundation of our product platform while directly building...SeniorFull timeWork at officeRelocation packageFlexible hours3 days per week
- At Warner Music Group, we’re a global collective of music makers and music lovers, tech innovators and inspired entrepreneurs, game-changing creatives and passionate team members. Here, we know that each talent makes our collective bolder and brighter. Technology is one ...SeniorFull timeLocal areaWorldwide
$140k - $180k per year
...while driving the development and deployment of high quality, scalable AI solutions by writing code! Responsibilities: Design, develop, and test high performance systems that operate at massive scale Gain an understanding of existing systems, determine areas of...SeniorFull time- ...with an amazing team, you belong here. we're looking for a Senior Developer to join our Engineering team and play a key role in building... ...What We’re Looking For ~5+ years of experience in backend development, with a strong focus on customer-centric products....SeniorFull time
- ...enterprise environments. We’re looking for an experienced Windows app developer to take ownership of development, stability, and deployment,... ...MDM tools and deployment best practices. Integrate with backend APIs, and optionally, implement or adjust backend endpoints when...SeniorFull timeFor contractors
$72.85k - $121.41k per year
...about excellence, innovation, and agility. As Sr. Systems Developer, you will contribute to the development and implementation of... ...deployment, and maintenance Partner with design, product, and backend teams to build end-to-end functionality Validate operational...SeniorFull timeLocal areaFlexible hours$156k - $214.5k per year
...of funnel, to onboarding, to helping Retailers get up and running to be successful on Faire. We are looking for a Senior Growth Engineer (Frontend or Backend) who thrives at the intersection of product, experimentation, and engineering. We are looking for someone who wants...SeniorFull timeWork at officeLocal areaRemote workMonday to friday3 days per week$156k - $214.5k per year
...viable products, deploy to production multiple times per day, A/B test customer-facing changes, listen to the data, and iterate. As a Senior Back-end on the Brand Platform team, you'll collaborate with us to: Define clear service boundaries Build out AI enablement for...SeniorFull timeWork at officeLocal areaRemote workMonday to friday3 days per week- ...are seeking a highly skilled Enterprise Developer to join our enterprise architecture team.... ...application security is essential. THIS IS A SENIOR HANDS ON DEVELOPER ROLE Key... ...CPQ, and CRM. Proven experience as a backend developer with a strong understanding of...SeniorFull timeShift work
- ...Practical action. Endless possibilities. ABOUT THE ROLE As a Senior Developer, Fullstack (AI & Data Platform), you will join a highly... ...and experienced team building agent-enabled applications and backend automation that turn catalogue and metadata into governed, production...SeniorFull timeContract workImmediate start
- ...Practical action. Endless possibilities. ROLE OVERVIEW: As a Full-Stack Developer, you will architect and build custom web applications across multiple client engagements, owning both the backend API layer and the frontend. A defining aspect of this role is working with...SeniorFull time
- ...learn more about how we work . About the role As a Senior Software Developer on the Tax team, you will work across the stack to build,... ...regulated domains; can work comfortably across frontend and backend systems; and brings sound judgment to ambiguous problems....SeniorLong term contractFull time
- ...learn more about how we work . About the role As a Senior Software Developer on the Cards team, you'll own meaningful slices of the card... ...implementation, launch, and iteration Build and improve the backend systems that power our card products, with a focus on...SeniorLong term contractFull timeImmediate start
$135k - $154k per year
...solutions, and a non-custodial cryptocurrency wallet. The Senior Back-End Developer is responsible for designing, building, and maintaining... ...This role encompasses architecture and optimization of backend services, database design, caching strategies, and API development...SeniorFull time
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Backend Developer. Be the first to apply!
- backend developer Toronto, ON
- backend software developer Toronto, ON
- senior manager risk management Toronto, ON
- pega senior system architect Toronto, ON
- senior electrical engineer Toronto, ON
- senior executive Toronto, ON
- senior network engineer Toronto, ON
- senior analyst Toronto, ON
- cpa senior accountant Toronto, ON
- senior accountant Toronto, ON

