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Added 3 months ago
H
Hardware Verification Specialist
Hexagon
Calgary, AB
- Full-time
…sensor, software, and autonomous technologies. We are putting data to work to boost efficiency, productivity, quality, and safety across industrial, manufacturing, infrastructure, public…
Added 2 months ago
Software Developer - DevOps
DRW
Montreal, QC
We are looking for a passionate Software Developer to join our infrastructure team. This software-focused role involves building the services, platforms and automation that support our…
Added 3 months ago
Forward Deployed Agile Software Engineer
TribalScale
Toronto, ON
Design and build AI-enabled applications, agentic workflows, developer tools, APIs, data pipelines, and full-stack products.
Added 3 months ago
Data Engineer I, Amazon Business Ops Analytics
Amazon
Toronto, ON · Vancouver, BC
- Develop strong collaborative relationships with key partners in data engineering, software development, research, modeling and marketing teams
Added 2 months ago
Data Analyst
Scotiabank
Toronto, ON
The successful candidate will combine strong technical expertise in data engineering, programming, data analysis, data modeling, and database design with a solid understanding of finance,…
Added 2 months ago
AI and Data - Manager - AI Engineer
EY
Toronto, ON
A degree in Computer Science, Data Science, Engineering or related technical discipline (MSc/PhD is an advantage).
Added 3 months ago
GS
Consultant, Technical Solutions
Grantek Systems Integration
Burlington, ON
- Full-time
Design and implement Unified Namespace (UNS) architectures including data models (ISA-95), MQTT topic structures, and data pipelines
Added 2 months ago
Senior PostgreSQL Database Engineer (Hybrid)
OpenTable
Toronto, ON
…database initiatives end-to-end, partner with cross-functional engineering teams to build an automated and cloud-native data platform, and serve as a senior escalation point for production…
Added 5 months ago
JA
Business Data Analyst (Capital Markets)
Jay Analytix
Toronto, ON
- Contract
…Enterprise teams to facilitate the broader adoption of the Data Strategy across Capital Markets. Engage and partner with QTS application teams moving onto the Data Insights platform,…
Added 3 months ago
C
Sr. AI Engineer – Agentic Systems
Chubb
Toronto, ON
- Full-time
This work is aimed at direct implementation. People on this team move between agentic work, systems engineering, and applied science as priorities shift. Less a multi-agent system than one…
Added 2 months ago
AI and Data - Senior Consultant - AI/ML Engineer
EY
Toronto, ON · Montreal, QC
Bachelor's degree in Computer Science, Engineering, or a related field.
Added 3 months ago
P
Concepteur/Conceptrice Circuits Intégrés Photoniques (PIC) (Montréal)
Pasqal
Montreal, QC
- $80,000 to $100,000 CAD / year
- Full-time
…photonic integrated circuits (PICs) for telecommunications, data center, and quantum technology applications. Aeponyx is a Canadian subsidiary of…
Added 3 months ago
C
Java Full Stack Developer - React JS - Assistant Vice President
Citi
Mississauga, ON
- Full-time
· Experience with Python for scripting or data manipulation.
Added 3 months ago
L
Digital Architect
Lightmatter
Toronto, Ontario
- Full-time
Lightmatter is leading the revolution in AI data center infrastructure, enabling the next giant leaps in human progress. The company invented the world’s first 3D-stacked photonics engine,…
Added 3 months ago
L
Frontend/UI Developer
Larus
Ottawa, Ontario
- Full-time
We are looking for a UI/Frontend Developer to join the Larus team. You will design and build the interfaces through which military planners, analysts, and decision-makers make sense of…
Added 3 months ago
L
Data Scientist
Larus
Ottawa, Ontario
- Full-time
Python data analysis and manipulation tools (e.g. pandas, numpy, dask);
Added 3 months ago
SG
Lead Penetration Test Engineer
S&P Global
Toronto, Ontario
- $135,000 to $180,000 CAD / year
- Full-time
…modern security threats. Our mission is to safeguard systems and data by developing innovative solutions to the industry’s most complex security challenges. We are passionate problem…
Added 3 months ago
IE
Principal Machine Learning Architect
Index Exchange
Toronto, Ontario
- Full-time
At the core of it all is our engineering-first culture. Our engineers tackle internet-scale problems across tight-knit, global teams. From moving petabytes of data and optimizing with AI to…
Added 3 months ago
Strategy & Operations Co-op - Winter 2027
Canada Rocket Company
Toronto, ON
…operations - the four functions that determine how fast the engineering team can…
Added 2 months ago
Java Developer
Capgemini
Montreal, QC
We are looking for a strong java developer to join RIM team and help deliver key initiatives. The applicant should be a solid Java programmer, with strong design and implementation…
Added 3 months ago
J
Senior Software Engineer, Applied AI (Netherlands)
Justworks
Toronto, ON
- €143,000 to €184,000 EUR / year
…focus on running their business. We solve HR issues. We’re data-driven and never stop iterating. If you’d like to work in a supportive, entrepreneurial environment, are interested in…
Added 2 months ago
Senior Software Engineer, Applied AI (Spain)
Justworks
Toronto, ON
…focus on running their business. We solve HR issues. We’re data-driven and never stop iterating. If you’d like to work in a supportive, entrepreneurial environment, are interested in…
Added 3 months ago
AM
SoC DFX Scan / ATPG Engineer
Advanced Micro Devices, Inc
Ottawa, ON
- Full-time
At AMD, our mission is to build great products that accelerate next-generation computing experiences - from AI and data centers, to PCs, gaming and embedded systems. Grounded in a culture…
Added 3 months ago
Q
Engineer
Qualcomm
Markham, ON
- Full-time
Familiarity with data analysis, AI-assisted engineering tools, or emerging AI technologies that enhance engineering productivity.
Added 3 months ago
G
Full Stack Software Engineer
Gumloop
Vancouver, BC
- Full-time
…the problem build and share agents, manage their access to data, choose your AI models and host it all in your own…

Justworks

Senior Software Engineer, Applied AI (Netherlands)

Toronto, ON, Canada

€143,000 to €184,000 EUR / year

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Job details

Pay: €143,000 to €184,000 EUR / year
Experience: 5+ years of backend engineering experience building and operating production systems
Posting language: English
Posted: Aug 5, 2026

Original job description

Who We Are

At Justworks, you’ll enjoy a welcoming and casual environment, great benefits, wellness program offerings, company retreats, and the ability to interact with and learn from leaders in the startup community. We work hard and care about our most prized asset - our people.

We’re helping businesses get off the ground by enabling them to focus on running their business. We solve HR issues. We’re data-driven and never stop iterating. If you’d like to work in a supportive, entrepreneurial environment, are interested in building something meaningful and having fun while doing it, we’d love to hear from you.

We're united by shared goals and shared motivations at Justworks. These are best summed up in our company values, which are reflected in our product and in our team.

Our Values

If this sounds like you, you’ll fit right in.

Who You Are

You are self-driven and like to work with others to remove roadblocks. You are curious and love to explore and learn new technologies. You have demonstrated the ability to build, deploy, and maintain large-scale, complex applications. You care more about solutions and impacting the customer experience than using a particular tool or framework.

About the role:

You will join a small, highly autonomous cross-functional team to build AI agents that fundamentally transform how operations work at scale. Instead of writing bespoke software for every workflow, we are developing an agent platform that can read operational knowledge, reason about it in context, and execute tasks end-to-end. This approach allows us to scale complexity through knowledge and reasoning, rather than simply through code.

This is an opportunity to join a foundational team, which currently consists of fewer than five engineers. The work spans critical areas including LLM-powered agent design, robust backend service architecture, tool and integration development, and sophisticated knowledge infrastructure.

We are seeking a Senior Software Engineer with a strong passion for building AI-native systems in a product environment. The ideal candidate will be able to take ownership of large segments of the technology stack, make pragmatic technical decisions in ambiguous and emerging territory, and consistently ship high-quality, production-ready systems that our users rely on every day.

Responsibilities:

Design, build, and own core components of the agent platform, from the orchestration layer to the tool integrations connecting it to internal systems.
Build and evolve the capabilities layer: APIs, data access patterns, and service integrations for agents to execute operational workflows.
Architect the knowledge and memory infrastructure, allowing agents to retrieve the data and act across our systems.
Design and implement the trust and safety framework, including audit trails, human-in-the-loop controls, and guardrails for safe and auditable AI-driven operations.
Contribute to agent evaluation and testing infrastructure, defining how we measure accuracy, reliability, and regression across agent behaviors.
Partner directly with Operations to understand workflows, identify automation opportunities, and translate process knowledge into agent capabilities.
Mentor other engineers on the team as it grows.

About the candidate

You are comfortable in a fast-paced, early-stage environment. You demonstrate a "scrappy" and resourceful approach, proactively identifying solutions and unblocking yourself without needing a fully defined path.
You are pragmatic and balance quality with speed. You understand when to optimize for long-term durability and when to iterate quickly. You prioritize pragmatism over being overly precious about code, but never compromise on quality in a way that creates future issues.
You are product-minded. You look beyond the immediate task, seeking to understand the "why" behind the build and questioning whether it's the right product solution. You are comfortable contributing product thinking alongside engineering work.
You demonstrate a strong ownership mindset. You are proactive, identify gaps, and drive initiatives to completion without waiting for explicit instructions. When encountering issues or ambiguity, you address them directly.
You possess strong backend engineering fundamentals. You can confidently design, build, and operate production systems.
You are curious and eager to develop expertise in AI and LLMs. While deep research is not required, you are motivated to build practical, real-world products using these tools, specifically focusing on agent systems.

Qualifications

5+ years of backend engineering experience building and operating production systems
Hands-on experience with LLMs and AI agents (orchestration, RAG, tool/function calling, or similar)
Strong API design and system integration skills
Product-minded: questions requirements and contributes to product decisions, not just execution
Proven ownership of complex projects in ambiguous, early-stage environments

Technologies Used

Golang, Ruby on Rails, Javascript, Java, C#, Python, VueJS, MySQL, Kafka, AWS, Git, Memcache, Redis, ElasticSearch, Docker, Terraform, Kubernetes, CircleCI, DataDog

The base wage range for this position based in The Netherlands is targeted at 143,000 - 184,000 EUR per year.

Actual compensation is based on multiple factors that are unique to each candidate, including and not limited to skill set, level of relevant experience, and specific work location. Salary ranges for positions based in other locations may differ based on the cost of labor in that location.

For more information about Justworks’ Total Reward Philosophy, including all of the perks and benefits we are proud to offer our team members, please visit Total Rewards @ Justworks.

Diversity At Justworks

Justworks is committed to maintaining a workplace where diversity of identity, culture, and life experience is the norm and is celebrated authentically and respected consistently. Diversity in our work, our people, and our product drives creativity and innovation, entrepreneurial leadership and integrity, competitiveness, and collaboration throughout our business and in the market. We depend on our differences to make our team stronger, our workplace more dynamic, and our product accessible to all of our customers.

We’re proud to be an equal opportunity employer open to all qualified applicants regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital or familial status, disability, pregnancy, gender identity or expression, veteran status, genetic information, or any other legally protected status. Justworks is fully dedicated to providing necessary support to candidates with disabilities who may require reasonable accommodations. We also provide reasonable accommodations to employees based on their sincerely held religious beliefs, as well as for other covered reasons consistent with applicable federal, state, and local laws. If you're in need of a reasonable accommodation, please reach out to us at accommodations@justworks.com. Your comfort and success matter to us, and we're here to ensure an inclusive experience.

Our DEIB Report

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More about this job

Responsibilities

Design, build, and own core components of the AI agent platform, including orchestration layers and knowledge infrastructure. Partner with operations teams to translate workflows into automated agent capabilities while ensuring robust trust and safety frameworks.

Requirements

Requires 5+ years of backend engineering experience with a strong focus on production systems and AI/LLM technologies. Candidates must demonstrate a product-minded approach, strong ownership, and the ability to work effectively in ambiguous, early-stage environments.

Skills

Golang
Ruby on Rails
Python
LLMs
AI agents
RAG
API design
System integration
Backend engineering
Kubernetes
Docker
AWS
Kafka
ElasticSearch
Terraform
DataDog

Benefits

Wellness program
Company retreats

Visa sponsorship

Not detected in the job text

Keywords

Golang
Ruby on Rails
Javascript
Java
C#
Python
VueJS
MySQL
Kafka
AWS
Git
Memcache
Redis
ElasticSearch
Docker
Terraform
Kubernetes
CircleCI
DataDog
LLMs
AI Agents
RAG
Orchestration
Backend Engineering
System Architecture
API Design
Knowledge Infrastructure
Trust and Safety
Product-minded
Automation

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