Olive

We’re hiring a Backend Developer with strong experience in NestJS (TypeScript) to support a high-performance platform for real-time data processing. This role is ideal for someone who enjoys clean architecture, working in cross-functional teams, and building scalable backend services.

About the Company & Project

We develop AI-powered data infrastructure that helps organizations unlock insights from real-time streams. Our platform enables predictive analytics and intelligent automation at scale. You’ll join a backend-focused team working with microservices deployed in AWS.

Your main responsibility will be developing and maintaining NestJS/TypeScript services. Occasionally, you’ll need to read and understand Python code to ensure smooth service communication — no Python development is required.

Tech Stack

NestJS (TypeScript), PostgreSQL, AWS, Kafka Streams, Java

(Python is used in adjacent services — read-only interaction)

Responsibilities

• Build and maintain backend services using NestJS

• Ensure smooth integration with adjacent services

• Contribute to architecture decisions and reliability improvements

• Occasionally review Python code to understand service behavior

• Collaborate with other teams working in Java and Kafka

Requirements

• 4+ years of backend development experience

• Strong hands-on experience with NestJS / TypeScript

• Ability to read and understand Python code if needed

• Solid knowledge of PostgreSQL

• Familiarity with cloud infrastructure (preferably AWS)

• English level B2 or higher

Interview Process

1. Prescreen interview

2. Test task (no coding):

• Design architecture based on a written task

• Record a short (max 5 min) video explaining your approach

3. CTO review

4. Technical interview based on your submission

We are hiring a Python Developer (Django) on behalf of our client — a fast-growing Israeli startup in the AI-driven real estate investment space. The company builds an advanced decision-support platform that helps institutional investors analyze, forecast, and manage real estate portfolios more efficiently. The product is used by U.S.-based investment teams and combines scalable data infrastructure with real-time AI models.

Responsibilities:

• Develop and maintain robust backend systems using Python and Django, focusing on performance, scalability, and security.

• Collaborate with product managers and data experts to deliver new features for data visualization, predictive analytics, and user workflows.

• Build and optimize integrations with third-party data sources and APIs.

• Design and document internal RESTful APIs used by frontend and automation services.

• Ensure code quality through automated testing, peer reviews, and CI/CD pipelines.

• Contribute to architectural decisions and continuously improve backend infrastructure.

Requirements:

• 2+ years of hands-on experience with Python and Django in a production environment.

• Solid understanding of Django ORM, views, middleware, and templating system.

• Experience with relational databases such as PostgreSQL.

• Familiarity with Git, Docker, and CI/CD workflows.

• Strong understanding of API design and web security best practices.

• Upper-intermediate English (spoken and written).

• Bachelor’s degree in Computer Science or related field.

We are looking for a strong junior full stack developer eager to grow while working on projects that power interactive 3D web experiences. You will work with React, Node.js, PostgreSQL, and AWS, building scalable, user-friendly applications for customers worldwide.

You will collaborate with designers and product managers to deliver intuitive user interfaces and reliable backend services supporting real-time collaboration and 3D environments. The role also offers opportunities to learn and work with Three.js and WebGL, which is a plus but not required.

Responsibilities

• Develop and maintain scalable web applications using React and Node.js.

• Work with PostgreSQL to design efficient data models and queries.

• Deploy and manage services within AWS.

• Translate product requirements into well-tested, maintainable features.

• Write clean, documented, and maintainable code following best practices.

• Participate in code reviews and team discussions to improve quality.

• Learn and experiment with technologies to improve the user experience, including 3D rendering and immersive content.

Requirements

• At least 1 year of commercial experience with React and Node.js.

• Experience with relational databases, preferably PostgreSQL.

• Basic familiarity with cloud environments, preferably AWS.

• English at B2 conversational level.

• A degree in Computer Science or a related technical field, or current students in their final year.

• Ability to work independently in a fast-paced startup environment.

Process

• Take-home test task (mandatory, no exceptions).

• 30-minute HR interview.

• Chat interview with the startup’s CTO.

Our client is a fast-growing, well-funded Israeli SaaS startup transforming how organizations create and deliver interactive digital experiences. They help global clients convert physical spaces into immersive 3D environments, enabling virtual tours, online product showrooms, training simulations, and virtual events.

Their mission is to make digital experiences as engaging and effective as physical interactions, leveraging advanced web technologies, scalable cloud infrastructure, and intuitive no-code tools to simplify how businesses connect with customers and teams online.

Thousands of customers worldwide, including leading retailers, universities, museums, and enterprises, use their solutions to enhance customer engagement, drive sales, and improve operational efficiency.

The company offers a collaborative, fast-paced environment where engineers work closely with product teams, take ownership of features, and see their work directly impact customers globally.

We are looking for an experienced Backend Developer to join a project building a scalable real-time system for an online Texas Holdem game with support for up to 3,000 concurrent players.

Please note: We will only consider candidates who have previous experience working on poker games or similar real-time multiplayer game systems.

The project stack includes .NET 8, WebSocket, Redis Cluster, MongoDB, Kubernetes, and Unity. You will be responsible for building the backend architecture with full control over code, infrastructure, and state management.

Tech stack and responsibilities:

– Develop WebSocket Binary Custom with full binary protocol support

– Configure and utilize Redis Cluster (Pub/Sub, TTL, locking) for scalable stability

– Build game engines, async controllers, and evaluation services

– Work with MongoDB (Sharded, TTL, Flexible Schema)

– Implement JWT, CSRF, and Replay Token protection

– Develop thread-safe solutions (SemaphoreSlim, locks)

– Support multi-table, load split, and replay lock detection

– Integrate OpenTelemetry, Prometheus, and Grafana for monitoring

– Manage CI/CD, auto-deploy pipelines, and DevOps

– Utilize circuit breaker patterns, backoff strategies, and quotas

– Write Unit, Integration, Fuzz, and Load Tests

– Build reliable, maintainable, and scalable architecture

– Work with Swagger, RBAC, and Admin Auth

– Optimize for efficient garbage collection and memory pooling

What we offer:

– Full-time engagement: 8 hours per day, 5 days a week

– Long-term collaboration with the client’s team

– Monthly payment structure

We are looking for a Unity AR Developer on behalf of our client from Israel — an innovative company building immersive AR experiences using cutting-edge spatial computing technologies. The client’s upcoming project involves the Immersal SDK, focusing on creating location-based augmented reality applications that transform how users interact with the physical world through mobile devices.

This is not a game development role — we’re looking for a developer experienced in Unity app development, particularly in the context of ARKit and real-world AR applications.

Key Responsibilities:

• Build and maintain AR applications using Unity and ARKit

• Integrate and utilize Immersal SDK for spatial anchoring and mapping

• Collaborate with designers and product teams to implement intuitive and responsive AR features

• Optimize performance for real-time mobile AR environments

• Troubleshoot and resolve issues related to AR rendering, tracking, and spatial mapping

• Contribute to architectural decisions and best practices for AR application development

Qualifications:

• 3+ years of hands-on experience with Unity (non-gaming applications preferred)

• Solid experience with ARKit and developing mobile AR applications

• Experience integrating third-party AR SDKs (Immersal SDK is a strong plus)

• Strong understanding of 3D spatial computing concepts

• Good knowledge of mobile performance optimization in Unity

• Strong problem-solving skills and attention to technical detail

• Conversational English (B2+)