Backend Software Engineer - AI & ML Infrastructure

Description

Plus500 is a world-leading online trading platform with hundreds of thousands of active users placing millions of trades a month.

Our mission is to disrupt the age-old trade markets by building digital technologies that make trading around the world accessible and more efficient.

What to Expect - The Role

• We are looking for a highly motivated backend software engineer specializing in creating high-scale, distributed backend systems.
• You will design and implement ML/AI infrastructure components (model‑serving APIs, inference pipelines, feature stores).
• Collaborate closely with data scientists and data engineers to productionize models and automate retraining workflows.
• You must demonstrate strong software engineering skills, excellent interpersonal communication, extreme ownership, and the ability to accept and give meaningful technical feedback.
• You will be responsible for designing architecture, writing correct, robust code, maintaining and improving existing functionality, and shipping new features.
• You will work as part of a Scrum-Agile cross-functional team and collaborate with front-end engineers, quality engineers, product managers, and more.
• The platform you help us build will scale novel functionality to millions of Plus users worldwide.
• Our team strives to set the bar for real-time, high-scale, mission-critical trading systems. We want to work with people who are excited by this goal and have the talent to deliver on it.

What You’ll Do - Responsibilities

• Containerize and deploy ML models at scale.
• Build and maintain CI/CD pipelines for automated model training, testing, and deployment.
• Work with data engineers to integrate streaming/batch data into feature pipelines
• Design and build scalable, high-availability mission-critical systems and APIs
• Drive the migration of large-scale, distributed trading services towards cloud-native microservices
• Tackle technical challenges - performance, fault-tolerance, security, and live production issues
• Work closely with product, DevOps\SRE, and infrastructure teams - we practice full-cycle development where developers own and operate what they build.

Requirements

What You’ll Bring - Requirements

• 3+ years building backend services, with experience in ML frameworks (e.g., TensorFlow, PyTorch, ML.NET). While building SaaS applications, preferably in a service-oriented architecture
• Hands‑on expertise with MLOps tooling (e.g., MLflow, Kubeflow, TorchServe, KFServing).
• Familiarity with cloud‑native ML offerings (AWS SageMaker, GCP AI Platform, Azure ML).
• Bachelor’s Degree in Computer Science, Software Engineering, or equivalent.
• Experience in writing optimized SQL and working against various different datastores.
• Demonstrated success with scalable web applications or messaging systems
• Experience with web security is a plus.
• Experience fine‑tuning LLMs or large models using parameter‑efficient methods (LoRA, adapters) is a plus.
• LLM fine‑tuning experience (HuggingFace, OpenAI, etc.) is a plus.
• Expertise in modern web development frameworks, C#, Java, or equivalent is a plus.

Compensation and Benefits

Along with competitive pay, as a full-time Plus employee, you are eligible for the following benefits:

• Yearly Bonus and RSU grants based on performance
• Online\ On-Site Courses, attend public conferences, and many other growth and learning opportunities. 
• Health Insurance
• Gym, Pilates, Yoga, and others
• Cibus\10Bis
• Tickets to our sponsored team's games
• Social events

Where you'll be

• We offer a hybrid work policy : 3 on-site plus 2 flexible days.
• Work is located at the Matam, Haifa R&D Center. 

Plus500 is a publicly listed company, we welcome you to read and learn about our business strategy, strengths, and results on our investor relations page.