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Added 9 mins ago
Account Manager
Accommodations Plus International
Canada
API is seeking a seasoned professional to join our company in the role of Account Manager. This position may be performed remotely from anywhere in the United States or Canada, or in a…
Added 9 mins ago
Business Analyst (1 vacancy)
City of Woodstock
Woodstock, ON
Full-time
Reporting to: Manager of Fleet & Business Support
Added 24 mins ago
Branch Manager
VPI INC.
Hamilton, ON
Up to $72,100 CAD / year
Full-time
The Branch Manager is responsible for the day-to-day operation of the branch and for ensuring key performance indicators, as set out internally by the organization and by the government…
Added 24 mins ago
Senior Manager, Indirect Tax Services
BDO
Calgary, AB · AB · Vancouver, BC · Winnipeg, MB · Halifax, NS · Oakville, ON · Toronto, ON
Full-time
We are seeking a Senior Manager to join our growing Indirect Tax Services practice. As a trusted advisor to clients across a variety of industries, you will work closely with partners,…
Added 24 mins ago
Incident Manager
Bell
Mississauga, ON
The Incident and Change Manager is accountable to provide pro-active or re-active solutions for all the different aspects of problems ‘related to customers’. Our business model is highly…
Added 53 mins ago
Translator
Dexian
Montreal, QC
$65 to $70 CAD / hour
Contract
Reporting to the Associate Manager of Translation Services, you will translate and revise texts translated internally or externally (from English into French) in all businesses of the…
Added 1 hour ago
Accounting Analyst, CPA Trainee (New or Recent Graduate Opportunity )
BMO
Toronto, ON · FCP
Full-time
…management in fulfilling mandates. This work provides vital assurance to the Board of Directors and senior management on the quality of internal control systems and reduces the risk of loss…
Added 1 hour ago
Project Coordinator - Industrial
Graham
Fort Saskatchewan, AB
Full-time
Graham is actively recruiting for a Project Coordinator to support the Industrial Division. Reporting to the Project Manager, this role is integral to coordinating, scheduling, quantity…
Added 1 hour ago
Manager Portfolio Governance & Analytics
City of Toronto
Toronto, ON
Full-time
Advises senior executives, Division Heads, the Chief Technology Officer (CTO), and senior management on project issues, decision points, and emerging concerns.
Added 1 hour ago
Child & Youth Care Manager (Curriculum & Quality Enhancement)
Lambert Nemec Group
Winnipeg, MB
Full-time
…licensed child care - in their search for a Child & Youth Care Manager (Curriculum & Quality Enhancement) to join their senior child care leadership…
Added 1 hour ago
Senior Digital Strategist | Stratège numérique principal(e)
Data Sciences
Montreal, QC
Full-time
DS is seeking a Senior Paid Media Strategist to join our dynamic digital team in Montréal. This hybrid role combines in-office collaboration at our Head Office with remote work flexibility.
Added 1 hour ago
Advisory Consultant
Mott MacDonald
Vancouver, BC · Toronto, ON
…and communicate clear, evidence-based advice to clients and senior decision-makers. The successful candidate will collaborate with multidisciplinary teams, manage competing priorities and…
Added 1 hour ago
Login Technician
Element Materials Technology
Edmonton, AB
Other
…scientists, engineers, and technologists support customers to achieve assurance over product quality, sustainable outcomes, and market…
Added 2 hours ago
Senior Functional Analyst, Intact Lab
Intact FC
Montreal, QC
Full-time
Support quality assurance activities and user acceptance testing.
Added 2 hours ago
Senior Manager, Assurance and Accounting
ACCA Careers
Montreal, QC
Full-time
Deliver expert industry and technical expertise in audit and assurance through client interactions, reports, technical work, management presentations and the creation of high-quality…
Added 3 hours ago
Senior Project Manager
Robert Half
Toronto, ON · North York, ON
$70 to $85 CAD / hour
Full-time
We are looking for a Senior Project Manager/ Scrum Master to lead engineering delivery for a hospitality-focused organization in Toronto, Ontario. This Long-term Contract position is ideal…
Added 11 hours ago
POLICY DEVELOPMENT OFFICER HOUSING SECRETARIAT
City of Toronto
Toronto, ON
Conducts program and function reviews, development of performance monitoring systems, quality assurance programs for senior management of the Division/City.
Added 11 hours ago
MANAGER PORTFOLIO GOVERNANCE & ANALYTICS
City of Toronto
Toronto, ON
Advises senior executives, Division Heads, the Chief Technology Officer (CTO), and senior management on project issues, decision points, and emerging concerns.
Added 12 hours ago
IT Senior Analyst, Cybersecurity
Saputo Inc.
Montreal, QC · Saint-Laurent, QC
Full-time
The selected candidate will report to the Senior Manager of Cybersecurity and will be part of a highly dynamic team where leaders and members are encouraged to exceed expectations.
Added 13 hours ago
Audio Artist - EA Sports FC
EA SPORTS
Vancouver, BC
Temporary
…oversee the audio-specific project(s) to create/maintain a quality audio experience. You are expected to have experience in all audio design and production phases, with proficiency in at…
Added 13 hours ago
Engineering Assurance Analyst (Electrification & Plant Asset Management)
Metrolinx
Canada
Full-time
Reporting to the Senior Manager, Electrification, you will support engineering assurance reviews from project development and design through construction, testing, commissioning, handover,…
Added 14 hours ago
Manager, Program, Support & Compliance
County of Simcoe
Midhurst, ON
Full-time
…mitigation, compliance monitoring, audit and review responses, quality assurance frameworks and continuous improvement. The Manager provides strategic advice and support to the Director,…
Added 15 hours ago
Senior Project Manager - Baggage Handling Systems
AtkinsRéalis
Toronto, ON
Full-time
Come join us in reshaping the future with AtkinsRéalis. AtkinsRéalis is hiring a Senior Project Manager - Baggage Handling Systems with proven experience supporting large scale airport or…
Added 15 hours ago
Senior Project Manager Consultant
AtkinsRéalis
Toronto, ON
Full-time
Come join us in reshaping the future with AtkinsRéalis. AtkinsRéalis is hiring a Senior Project Manager Consultant with proven experience supporting large scale airport or equivalent major…
Added 15 hours ago
Senior Project Manager - Airfield
AtkinsRéalis
Toronto, ON
Full-time
Come join us in reshaping the future with AtkinsRéalis. AtkinsRéalis is hiring a Senior Project Manager - Airfield with proven experience supporting large scale airport or equivalent major…

Apollo.io

Senior Backend Engineer

Canada

Job type: Full-time
Experience: Minimum 5 years of industry experience in backend development, at least 1-2 years in senior positions, developing large-scale applications
Posting language: English
Posted: Sep 23, 2026

Apply About employer

Applications open in a new tab.

Original job description

Apollo.io is the leading go-to-market solution for revenue teams, trusted by over 500,000 companies and millions of users globally, from rapidly growing startups to some of the world's largest enterprises. Founded in 2015, the company is one of the fastest growing companies in SaaS, raising approximately $250 million to date and valued at $1.6 billion. Apollo.io provides sales and marketing teams with easy access to verified contact data for over 210 million B2B contacts and 35 million companies worldwide, along with tools to engage and convert these contacts in one unified platform. By helping revenue professionals find the most accurate contact information and automating the outreach process, Apollo.io turns prospects into customers. Apollo raised a series D in 2023 and is backed by top-tier investors, including Sequoia Capital, Bain Capital Ventures, and more, and counts the former President and COO of Hubspot, JD Sherman, among its board members.

YOUR ROLE & MISSION

As a Senior Software Engineer, you will be a critical part of our growing company, working on a cross-functional team to implement best practices in technology, architecture, and process. You’ll have the chance to work in an open and collaborative environment, receive and give hands-on mentorship, and have opportunities to grow and accelerate your career. You love both learning and teaching.

In this role, you will work across two high-impact domains: data platform architecture and integrations with distributed systems building the infrastructure that powers Apollo’s AI-driven internal workflows. On the data side, you’ll organize and make sense of data at scale, working closely with our data engineering team to structure pipelines and enable intelligent product experiences. On the integrations side, you’ll own the connections layer and the distributed architecture that keeps Apollo reliably linked to the broader ecosystem at high throughput.

You enjoy working cross-functionally to solve hard problems and make an impact. At Apollo, you strive for quality and are obsessed with improving automation, squashing bugs, and investigating performance improvements and innovative ideas. You bring an AI-first mindset to everything you do, reaching for AI tools as naturally as any other part of your workflow and helping the team do the same.

Our tech stack: React.js / TypeScript

Python
GoLang
MongoDB
Elasticsearch
Redis
Kafka
Kubernetes / Docker
GCP
Terraform / Ansible
Grafana / Kibana
GitHub Actions

Daily Adventures & Responsibilities

Design and implement highly scalable backend services, data pipelines, and integration endpoints that perform reliably at high volume
Gather product and engineering requirements; write design documents and drive technical discussions to align cross-functional stakeholders
Drive and lead the full software development lifecycle: product requirements, architecture, solution design, development, quality assurance, and maintenance
Build systems with observability as a first-class concern proper monitoring, alerting, and dashboards so issues are caught before customers notice
Communicate development progress clearly to product leads, engineering managers, and other stakeholders
Be comfortable introducing new technologies and new ideas as required, including AI tools that accelerate your workflow and the team’s
Navigate ambiguity and roadblocks proactively when a project hits a wall, you find a path forward and maintain cadence
Work effectively as part of a large global team, attending scrum ceremonies, team events, and manager 1:1s
Provide and respond to technical and behavioral feedback from managers and peers in written and verbal form

COMPETENCIES

Proactively acts without being told what to do; identifies areas for improvement and drives best practices to deliver high-quality, performant, and scalable solutions
Develops services that are highly available and scalable with proper monitoring and alerting in place
Able to up-level the team by sharing knowledge and best practices across the engineering organization
Able to deal with ambiguity and maintain momentum on projects even when hitting obstacles months in
Full ownership of projects from start to finish because deployment is not the finish line
Organized and able to effectively plan and break down large projects into smaller tasks that are easier to estimate and deliver
Listens actively and seeks to understand others’ viewpoints before responding
A creative and innovative problem solver with previous experience working in an agile, startup environment
Confident in owning your role and bringing creative ideas to the hands of users
AI-native working style: habitually leverages AI tools across coding, debugging, review, and documentation, and stays current with emerging capabilities

Qualifications

Minimum 5 years of industry experience in backend development, at least 1-2 years in senior positions, developing large-scale applications
Experience developing distributed web applications at scale
Code that is comprehensible, well-structured, and highly performant
Experience with database modeling (SQL or NoSQL)
Experience using and designing RESTful services
Strong knowledge of computer science fundamentals, including data structures, algorithms, and object-oriented design
Proven experience leveraging AI tools to enhance software development processes, including code generation, debugging, and productivity optimization, with a willingness to stay current with emerging AI technologies
Background in fast-scaling startup or high-velocity environments where going beyond your job title was the norm

Must have: Communication Skills, Problem Solving, Proactivity, Team Player, Listening Skills, Creativity and Innovation, Organization and Planning, Dealing with Ambiguity, Ownership of projects from start to finish, Distributed Web Development

Nice to have: BS or MS degree in Computer Science, Computer Engineering or similar, GCP, Kubernetes, Docker, Mongo, Redis, Ruby on Rails, Microservices, Machine Learning

We are AI Native

Apollo.io is an AI-native company built on a culture of continuous improvement. We’re on the front lines of driving productivity for our customers - and we expect the same mindset from our team. If you're energized by finding smarter, faster ways to get things done using AI and automation, you'll thrive here.

Why You’ll Love Working at Apollo

At Apollo, we’re driven by a shared mission: to help our customers unlock their full revenue potential. That’s why we take extreme ownership of our work, move with focus and urgency, and learn voraciously to stay ahead.

We invest deeply in your growth, ensuring you have the resources, support, and autonomy to own your role and make a real impact. Collaboration is at our core - we’re all for one, meaning you’ll have a team across departments ready to help you succeed. We encourage bold ideas and courageous action, giving you the freedom to experiment, take smart risks, and drive big wins.

If you’re looking for a place where your work matters, where you can push boundaries, and where your career can thrive - Apollo is the place for you.

Learn more here!

Apply About employer

More about this job

Responsibilities

Design and deliver scalable backend services, data pipelines, and high-throughput integrations, owning projects across requirements, architecture, development, deployment, and maintenance. Collaborate with product, data, and engineering teams to improve reliability and observability, communicate progress, and use AI tools to accelerate development.

Requirements

Requires at least five years of backend development experience, including one to two years in senior roles, and experience building large-scale distributed web applications. Candidates should have strong computer science fundamentals, database modeling and REST service experience, effective communication and problem-solving skills, and demonstrated use of AI tools in software development.

Skills

Backend Development
Distributed Systems
Scalable Web Applications
Data Pipelines
RESTful Services
Database Modeling
Python
Go
TypeScript
MongoDB
Redis
Kafka
Kubernetes
Google Cloud Platform
AI-Assisted Software Development
Observability

Visa sponsorship

Not detected in the job text

Keywords

Backend Engineering
Distributed Systems
Scalable Applications
Data Platform Architecture
Data Pipelines
Integrations
RESTful Services
Microservices
Database Modeling
SQL
NoSQL
Python
Go
TypeScript
React.js
MongoDB
Elasticsearch
Redis
Kafka
Kubernetes
Docker
Google Cloud Platform
Terraform
Ansible
Grafana
Kibana
GitHub Actions
Observability
Agile
AI-Assisted Development

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