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Added 8 days ago
M
Senior Java Developer (with LLM expertise)
Miratech
Toronto, ON
- Full-time
We are looking for a Senior Java Developer with LLM expertise to lead the technical design, development and integration of core banking application systems for a major financial services…
Added 8 days ago
M
Senior Java Developer (with LLM expertise)
Miratech
Toronto, ON
- Full-time
We are looking for a Senior Java Developer with LLM expertise to lead the technical design, development and integration of core banking application systems for a major financial services…
Added 8 days ago
RB
Senior Manager, Engineer & Build
Royal Bank of Canada
Toronto, ON
- Full-time
Technology focus: Snowflake, Spark, dbt, Airflow, Python/Scala/Java, OpenShift/Kubernetes, and public cloud (e.g., AWS).
Added 8 days ago
M
Software Engineer II
Microsoft
Vancouver, BC
- Full-time
…coding in languages including, but not limited to, C, C++, C#, Java, JavaScript/TypeScript, or Python OR equivalent…
Added 8 days ago
M
Software Engineer II
Microsoft
Vancouver, BC
- Full-time
…coding in languages including, but not limited to, C, C++, C#, Java, JavaScript/TypeScript, or Python OR equivalent…
Added 8 days ago
M
Senior Software Engineer
Microsoft
Vancouver, BC
- Full-time
…coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent…
Added 8 days ago
MI
DevOPS/Cloud Engineer (Healthcare) 7+ years of experience
Maarut Inc
Toronto, ON
- Contract
Senior-level experience building GitHub Actions workflows for application and infrastructure deployment, environment promotion, approvals, testing, rollback, and secure authentication to…
Added 8 days ago
RA
Software Engineering Intern - Connected Systems (Summer 2027)
Rivian and Volkswagen Group Technologies
Remote, Canada
- $30 to $33.75 CAD / hour
- Internship
- Remote
Write clean, maintainable code in Python, Go, C++, or Java depending on the team
Added 8 days ago
RA
Software Engineering Intern - Applications (Summer 2027)
Rivian and Volkswagen Group Technologies
Remote, Canada
- $30 to $33.75 CAD / hour
- Internship
- Remote
Write code in Kotlin, Java, C++, or Python depending on the team
Added 8 days ago
SS
DevOps III, FME Flow
Safe Software
Canada
- Full-time
Experience with Web Application Development (e.g. Java, Javascript)
Added 8 days ago
T
Quality Engineer II
TD
Toronto, ON
- Full-time
Languages – Java, SQL, Any Scripting language (JS, Python, etc.)
Added 8 days ago
ZS
Core java, Apache Spark, Python Developer
Zodiac Solutions, Inc
Montreal, QC
- Full-time
Job Title: Core java, Apache Spark, Python Developer
Added 8 days ago
M
Analyste de Support à la Production / Production Support Analyst
mthree
Montreal, QC
- $70,000 to $90,000 CAD / year
- Full-time
…l’automatisation. La maîtrise de langages de script comme Bash et Python, ainsi que de langages compilés tels que C, C#, Java, Scala et Go, est particulièrement pertinente, bien que…
Added 8 days ago
IC
AppOps, Senior Specalist
Interac Corp.
Toronto, ON · Interac Corp. Head Office
- Full-time
5+ years of combined experience in Java software development and application support or maintenance, preferably within payment systems or banking.
Added 8 days ago
IC
AppOps, Specialist
Interac Corp.
Toronto, ON · Interac Corp. Head Office
- Full-time
Partner with Development, Operations and Security teams to embed security requirements and operational controls into CI/CD pipelines and application lifecycle processes.
Added 8 days ago
CO
Application & Integration Technical Analyst
City of Saint John
Saint John, NB
- Full-time
Under the direction of the designated IT Manager, the Application and Integration Technical Analyst is a technical lead responsible for system architecture, data strategy, and integration…
Added 8 days ago
SS
DevOps III, FME Flow
Safe Software
Remote, Canada
- Full-time
- Remote
Experience with Web Application Development (e.g. Java, Javascript)
Added 8 days ago
L
Senior Back-End Engineer
LotusFlare
Toronto, ON
- Full-time
We don’t require any particular language. Our stack uses Node.js, Lua and Scala, and we welcome experience in Java, Python, Go, C++ or similar
Added 8 days ago
ZS
Platform Modernization Engineer
Zodiac Solutions, Inc
Montreal, QC
- Full-time
Understanding of secure software development practices and common application security risks
Added 8 days ago
N
Software Developer Senior Specialist - Java, AWS, DevOps
Nasdaq
Toronto, ON
- Full-time
The Software Developer will partner with development, QA, DevOps, and operations teams to design, engineer, develop, test, deploy, and support cloud-enabled application solutions.…
Added 8 days ago
S
Technology Manager
Stellantis
Mississauga, ON
- Full-time
Proficiency in software programming languages (e.g., Java, JavaScript, Python, C, HTML) and serialized data formats (e.g., JSON, XML)
Added 8 days ago
Manager Data Engineering-ML Ops
Gore Mutual Insurance
Toronto, ON · Cambridge, ON
Advanced proficiency in programming languages such as Python, Java, or Scala. Comprehensive knowledge of data pipeline frameworks (e.g., Databricks) and ML Ops tools (e.g., MLflow,…
Added 8 days ago
M
RQ00813 - DevOPS/Cloud Engineer - Senior
Maarut
Toronto, ON
- Contract
Senior-level experience building GitHub Actions workflows for application and infrastructure deployment, environment promotion, approvals, testing, rollback, and secure authentication to…
Added 8 days ago
NS
Senior Site Reliability Engineer (SRE) – CDN & Web Performance (Adobe)
N2P Systems
Toronto, ON
- Full-time
Own CI/CD quality and security controls, including branch protection, required checks, linting, automated testing, performance validation, and secret scanning.
Added 8 days ago
P
Senior Software Engineer - Java
PointClickCare
Mississauga, ON
- $142,000 to $158,000 CAD / year
- Full-time
Background with Spring Boot and Java ecosystem

LotusFlare

Senior Back-End Engineer

5255 Yonge St suite 1220, Toronto, ON, M2N 5P8, Canada

Full-time

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Job details

Job type: Full-time
Posting language: English
Posted: Oct 22, 2026

Original job description

LotusFlare is a provider of cloud-native SaaS products. Headquartered in Silicon Valley and founded by the team that helped scale Facebook to over a billion users, our mission is to make affordable mobile communications accessible to everyone on the planet.

We design, build, and continuously evolve a powerful digital commerce and monetisation platform, Digital Network Operator® (DNO™) Cloud, that drives valuable business outcomes for global telecom operators. Today, it is trusted by Deutsche Telekom, T-Mobile, A1, Globe, Liberty Latin America, MTN, Singtel and others to run strategic businesses that support millions of users globally.

We are also the company behind Nomad (nomadesim.com), one of the world’s leading travel eSIM solutions. Nomad gives travellers fast, affordable mobile data in 200+ destinations worldwide, all through a seamless iOS, Android, or web experience.

LotusFlare’s momentum continues to accelerate. We recently announced a strategic partnership and equity investment from Ericsson, further strengthening our market position and global reach.

If you’re excited by global scale, real-world impact, and solving complex problems in a fast-moving environment, you’ll fit right in.

Job Description and Responsibilities:

At LotusFlare, Senior Backend Engineers are replacing traditional business back ends with an engagement-centric, dynamic product stack. You’ll develop, secure and scale the back-end infrastructure that lets our platform handle millions of concurrent API calls.

As part of our global engineering team, you’ll work on mission-critical, highly available distributed systems, and you’ll be directly responsible On a typical day, you’ll:

Start the day with a quick stand-up with your team.
Own the full software lifecycle: development, testing, code reviews, and running and maintaining your code in production.
Work closely with product and other engineering teams.
Make time to help teammates, whether that’s asking questions or answering them.
Take ownership of the code you write.

Requirement

A BA/BS in Computer Science, a related technical field, or equivalent practical experience would be a plus
8+ years designing, building and deploying highly scalable, secure web services in production
We don’t require any particular language. Our stack uses Node.js, Lua and Scala, and we welcome experience in Java, Python, Go, C++ or similar
Strong knowledge of security best practices, performance optimization and fault tolerance
In-depth understanding of distributed-systems concepts such as consistency, fault tolerance and consensus algorithms
Expertise in RESTful API design, including API gateways, API documentation tools and API security
A deep understanding of network protocols (TCP/IP, HTTP, DNS) and their impact on application performance and security
Strong understanding of concurrency models and their trade-offs, and experience handling concurrency challenges in high-traffic environments
Advanced data modeling skills in both SQL and NoSQL databases
Hands-on experience with a wide range of cloud platforms and technologies, including containers (Docker, Kubernetes), serverless computing and other DevOps tools

Benefits:

Competitive salary package.
Yearly bonus
Training and workshops
Top-of-the-class engineers to learn from and work with

About us:

At LotusFlare, we attract and keep amazing people by offering two key things:
- Purposeful Work: Every team member sees how their efforts make a tangible, positive difference for our customers and partners.
- Growth Opportunities: We provide the chance to develop professionally while mastering cutting-edge practices in cloud-native enterprise software.

From the beginning, our mission has been to simplify technology to create better experiences for customers. Using an “experience down” approach, which prioritizes the customer's journey at every stage of development, our Digital Network Operator™ Cloud empowers communication service providers to achieve valuable business outcomes. DNO Cloud enables communication service providers to innovate freely, reduce operational costs, monetize network assets, engage customers on all digital channels, drive customer acquisition, and increase retention.

With headquarters in Santa Clara, California, and five major offices worldwide, LotusFlare serves Deutsche Telekom, T-Mobile, A1, Globe Telecom, Liberty Latin America, Singtel, and other leading enterprises around the world.

Website: www.lotusflare.com
LinkedIn: https://www.linkedin.com/company/lotusflare
Instagram: https://www.instagram.com/lifeatlotusflare/
Twitter: https://twitter.com/lotus_flare

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More about this job

Responsibilities

You will develop, secure, and scale back-end infrastructure to handle millions of concurrent API calls while managing the full software lifecycle. You will also collaborate with product and engineering teams to maintain highly available distributed systems in production.

Requirements

Candidates should have 8+ years of experience in building highly scalable web services and a deep understanding of distributed systems and network protocols. Proficiency in various programming languages and experience with cloud-native technologies like Docker and Kubernetes are required.

Skills

Node.js
Lua
Scala
Java
Python
Go
C++
Distributed systems
RESTful API design
SQL
NoSQL
Docker
Kubernetes
Cloud platforms
DevOps
API security

Benefits

Competitive salary package
Yearly bonus
Training and workshops

Visa sponsorship

Not detected in the job text

Keywords

Cloud-native
SaaS
Node.js
Lua
Scala
Java
Python
Go
C++
Distributed systems
RESTful API
API gateway
TCP/IP
HTTP
DNS
SQL
NoSQL
Docker
Kubernetes
Serverless
DevOps
Fault tolerance
Consensus algorithms
Data modeling
Software lifecycle
API security
Performance optimization
Concurrency models
Backend engineering
Telecom

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