AI Lead Backend Job at Realign (Toronto)

Senior Software Engineer, Backend (AI Agent)

At Cresta, the AI Agent team is on a mission to create state-of-the-art AI Agent...

Location

Canada , Toronto

Salary:

Not provided

Cresta

Expiration Date

Until further notice

Requirements

Bachelor’s degree in Computer Science or a related field
5+ years of experience in backend system architecture, cloud services, or related technology fields
Proficient in designing and maintaining clear and robust APIs with a strong understanding of protocols including gRPC, REST
Previous experience working with Virtual Agent or AI Agent systems
Experience in high-performance database schema design and query optimization, including knowledge of SQL and NoSQL databases
Experience in containerized application deployment using Kubernetes and Docker in microservices architectures
Experience with cloud environments such as AWS, Azure, or Google Cloud, with a strong understanding of cloud security and compliance standards

Job Responsibility

Design, develop, and maintain scalable and robust backend architectures for Cresta’s AI Agent solutions and proprietary models
Collaborate with cross-functional teams including frontend engineers, machine learning engineers to ensure seamless integration of AI Agents into Cresta’s customer solutions
Lead initiatives to enhance system scalability and reliability in production environments, focusing on backend services that support AI functionalities
Drive efforts to optimize server response times, process large volumes of data efficiently, and maintain high system availability
Innovate and implement security measures, cost-reduction strategies, and performance improvements in backend systems supporting AI Agents

What we offer

We offer Cresta employees a variety of medical, dental, and vision plans, designed to fit you and your family’s needs
Paid parental leave to support you and your family
Monthly Health & Wellness allowance
Work from home office stipend to help you succeed in a remote environment
Lunch reimbursement for in-office employees
PTO: 3 weeks in Canada

Software Engineer, Backend (AI Agent)

At Cresta, the AI Agent team is on a mission to create state-of-the-art AI Agent...

Location

Canada , Toronto

Salary:

Not provided

Cresta

Expiration Date

Until further notice

Requirements

Bachelor’s degree in Computer Science or a related field
2+ years of experience in backend system architecture, cloud services, or related technology fields
Knowledge in designing and maintaining clear and robust APIs with a strong understanding of protocols including gRPC, REST
Experience in high-performance database schema design and query optimization, including knowledge of SQL and NoSQL databases
Experience in containerized application deployment using Kubernetes and Docker in microservices architectures
Experience with cloud environments such as AWS, Azure, or Google Cloud, with a strong understanding of cloud security and compliance standards

Job Responsibility

Design, develop, and maintain scalable and robust backend architectures for Cresta’s AI Agent solutions and proprietary models
Collaborate with cross-functional teams including frontend engineers, machine learning engineers to ensure seamless integration of AI Agents into Cresta’s customer solutions
Lead initiatives to enhance system scalability and reliability in production environments, focusing on backend services that support AI functionalities
Drive efforts to optimize server response times, process large volumes of data efficiently, and maintain high system availability
Innovate and implement security measures, cost-reduction strategies, and performance improvements in backend systems supporting AI Agents

What we offer

We offer Cresta employees a variety of medical, dental, and vision plans, designed to fit you and your family’s needs
Paid parental leave to support you and your family
Monthly Health & Wellness allowance
Work from home office stipend to help you succeed in a remote environment
Lunch reimbursement for in-office employees
PTO: 3 weeks in Canada

Fulltime

Technical Lead Manager - Backend

As a Tech Lead Manager (TLM), you will be in a Onsite role that combines senior ...

Location

India , Pune

Salary:

Not provided

FloQast

Expiration Date

Until further notice

Requirements

8+ years of software engineering experience
Proven track record of delivering complex system initiatives with minimal oversight
Ability to improve the quality, performance, or scalability of a module or product you own
Experience driving consistent improvement in code quality and technical decisions
A history of fostering a strong mentorship culture in technical areas
Clear influence in architecture across teams within a product

Job Responsibility

Own the architecture and execution of major systems
Lead by example in coding, code reviews, and design
Manage a small team of 3–6 engineers
Balance hands-on work with team leadership (approximately 50/50)
Coach your team on engineering practices and technical growth

Fulltime

Technical Lead - Full-Stack AI Engineer - Private Equity SaaS

Our client, a cutting-edge SaaS platform for private equity and venture capital,...

Location

United States , Chicago

Salary:

170000.00 - 200000.00 USD / Year

Selby Jennings

Expiration Date

Until further notice

Requirements

6+ years in full-stack development
Strong skills in Go, Python, Node.js, and modern frontend frameworks (React, Next.js.)
Hands-on with LLMs (OpenAI, Anthropic preferred) and vector search (Pinecone, pgvector.)
Experience deploying in cloud environments (AWS, Azure, GCP.)
Startup-ready: thrives in ambiguity and owns projects end-to-end while moving fast and not overthinking.

Job Responsibility

Build scalable full-stack applications integrating AI agents into a secure SaaS platform.
Develop and optimize LLM pipelines, prompts, and backend systems (Supabase, Postgres, vector DBs).
Architect APIs and microservices for data processing and retrieval.
Implement responsive, high-performance frontend interfaces for complex workflows.
Ensure compliance with SOC 2, GDPR, and SEC standards.
Collaborate with product and design teams to translate requirements into seamless user experiences.

What we offer

equity

Fulltime

Lead Data Scientist

You will lead a small, high-impact ML squad embedded directly in client product ...

Location

Salary:

Not provided

LeverX

Expiration Date

Until further notice

Requirements

7+ years of experience in at least one ML field
2+ years of experience in a technical leadership role, e.g., Architect
2+ years of experience managing/supervising teams
Familiarity with Generative AI, time series forecasting, natural language processing, and computer vision
Ability to lead meetings, clarify requirements, and explain technical trade-offs confidently
English B2+

Job Responsibility

Lead and grow a small, high-performing team of data scientists
Collaborate with the customers and engineering teams to understand business needs and translate them into technical solutions
Participate in presale activities, providing technical insights and helping to shape project proposals
Maintain a hands-on approach when necessary, rolling up your sleeves and driving excellence through individual contributions while leading the team

What we offer

Projects in different domains: Healthcare, manufacturing, e-commerce, fintech, etc.
Projects for every taste: Startup products, enterprise solutions, research & development projects, and projects at the crossroads of SAP and the latest web technologies
Global clients based in Europe and the US, including Fortune 500 companies
Employment security: We hire for our team, not just a specific project. If your project ends, we will find you a new one
Healthy work atmosphere: On average, our employees stay in the company for 4+ years
Market-based compensation and regular performance reviews
Internal expert communities and courses
Perks to support your growth and well-being

Senior Software Engineer, Backend

As a Senior Software Engineer, Backend specializing in database architecture and...

Location

United States , San Francisco

Salary:

150000.00 - 240000.00 USD / Year

Chef Robotics

Expiration Date

Until further notice

Requirements

Bachelor's degree in Computer Science, Engineering, or equivalent practical experience
7+ years of professional experience in backend development roles with demonstrated leadership experience
Expert knowledge of relational databases (MySQL, PostgreSQL) including schema design, optimization, and administration
Strong proficiency with Python and JavaScript/TypeScript with advanced software engineering skills
Extensive experience leading projects with at least two web frameworks: Flask, FastAPI, Django, Node.js, or Next.js
Proven experience designing and implementing RESTful and GraphQL APIs at scale
Advanced understanding of containerization (Docker) and orchestration (Kubernetes) technologies
Experience with cloud infrastructure and deployment (AWS, GCP, or Azure) in production environments
Proven experience leading complex backend projects and mentoring junior engineers
Understanding of data requirements for robotics or automation systems

Job Responsibility

Lead the design, implementation, and optimization of database schemas to support robot operations, telemetry, recipe management, and system analytics
Develop robust data migration strategies and version control for database schema evolution
Implement efficient query optimization and indexing strategies to support high-throughput robot operations
Establish data integrity protocols and backup systems to ensure operational continuity across customer deployments
Create scalable data access layers that balance security, performance, and maintainability
Mentor team members on database design patterns and optimization techniques
Lead the development and maintenance of scalable APIs to serve robot control systems, dashboards, and monitoring tools
Design and implement secure authentication and authorization mechanisms across backend services
Develop robust middleware for processing and validating data between robotics subsystems
Create service interfaces that enable efficient communication between robotics components and cloud services

What we offer

medical, dental, and vision insurance
commuter benefits
flexible paid time off (PTO)
catered lunch
401(k) matching
early-stage equity

Fulltime

Python Backend Developer

Egnyte is the secure multi-cloud platform for content security and governance. T...

Location

India

Salary:

Not provided

Egnyte

Expiration Date

Until further notice

Requirements

Strong hands on production experience with Python Backend service development
Experience in REST API's, Webhooks, various Server to server communication techniques, Auth protocols, Agentic protocols & LLMs
Basic Experience with NoSQL databases, such as MongoDB
Fundamental Knowledge of databases and SQL, preferably MySQL or PostgreSQL
Experience in debugging multi-threaded applications using Kibana and performance analysis
Should have a basic understanding of Docker and Kubernetes, ELK stack, APM/Observability etc
Strong sense of ownership of a product
Communicative English skills

Job Responsibility

Build and maintain mostly Python/Node.js based AI/Integration services in Production scale supporting high traffic
Involvement in developing lightweight frontend layers using React or similar technologies
Working with the Egnyte AI team to develop Agentic Framework/MCPs
Collaboration with other backend teams, product teams or UX/UI designers if required
Be a part of the team which leads direction of Egnyte’s Ecosystem and have a strong influence in final Product integration
Have a chance to get in direct contact with our Partners and develop communication skills

What we offer

Competitive salaries
Medical insurance and healthcare benefits for you and your family
Fully paid premiums for life insurance
Flexible hours and PTO
Mental wellness platform subscription
Gym reimbursement

Principal Backend Engineer, Forward Deployed

As a Principal Forward Deployed Engineer (FDE) at Invisible, you'll lead high-im...

Location

United States , Austin; New York; San Francisco Bay Area; Washington DC–Baltimore

Salary:

225000.00 - 370000.00 USD / Year

Invisible Technologies

Expiration Date

Until further notice

Requirements

12+ years of software engineering experience, including significant time spent building data, ML, or backend systems
Deep proficiency in Python with hands-on experience using Hugging Face, LangChain, OpenAI, Pinecone, and related ecosystems
Skilled in full-stack and API-based deployment patterns, including Docker, FastAPI, Kubernetes, and cloud environments (GCP, AWS)
Experienced with workflow orchestration libraries, pub/sub systems (Kafka), and schema governance
Expertise in data governance and operations, including Unity Catalog and policy management, cluster/job orchestration, data contracts and quality enforcement, Delta/ETL pipelines, and replay processes
Strong product and system design instincts — you understand business needs and how to translate them into technical architecture
Experience building usable systems from messy data and ambiguous requirements
Excellent communication and client-facing skills
you’ve led conversations with technical and non-technical stakeholders alike
Proven experience owning projects from scoping through deployment in ambiguous, high-stakes environments

Job Responsibility

Partner with delivery and executive stakeholders to scope, design, and lead implementation of AI-driven solutions
Identify transformational opportunities in messy, ambiguous workflows and turn them into repeatable systems
Lead architecture design and trade-off discussions across performance, scalability, cost, and reliability
Own projects from first discovery call through full deployment — including client-facing delivery, internal coordination, and post-launch iteration
Build shared infrastructure, reusable components, and internal playbooks to level-up the team
Coach and mentor mid-level engineers and help shape the culture of forward-deployed AI engineering at Invisible

What we offer

bonus
equity

Fulltime

AI Lead Backend

Realign

Location:
Canada , Toronto

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
March 21, 2026

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