Jobs Backend

Details:
Start: asap
Duration: until 31.12.2026 (option for extention)
Location: 100% remote
Language: English
Region: Europe only (outside DACH)!!!

Skills (must have):

• Strong Python expertise combined with hands-on experience in trading or algorithmic trading
• Practical experience with trading strategies, automated trading systems, or trading platforms
• Previous exposure to energy trading, financial markets, or comparable trading environments
• A combination of strong technical/programming skills and domain knowledge in trading
• ReactJS and Java
• Cloud Providers: Microsoft Azure
• Docker, Kubernetes, Kafka
• PostgreSQL, Redis
• Microsoft Azure

Tasks:

• User onboarding and platform readiness
• Onboard new users onto the existing execution platform.
• Configure required access, permissions, and operational setup.
• Support user readiness for trading and monitoring workflows.
• Programmatic interface and risk monitoring integration
• Enhance the programmatic access layer of the execution platform.
• Develop the interface between the execution platform and the internal risk monitoring tool.
• Support automated data exchange between trading logic, execution components, and monitoring services.
• Implement or support post-trade checks, monitoring logic, and relevant control calculations.
• Advanced algorithmic trading capabilities
• Support the development of advanced algorithms for the current execution platform.
• Develop and integrate Python and Java backend applications with Azure services such as Azure Kubernetes Service, PostgreSQL, Redis, Kafka, Azure Machine Learning, and Azure DevOps.
• Extend platform capabilities to support future algorithmic trading use cases.
• Engineering collaboration and quality
• Collaborate with architects, traders, product owners, and engineering teams to design scalable, efficient, and secure software solutions.
• Ensure code quality and adherence to software development best practices, including documentation, version control, testing, and code reviews.

We're looking for a motivated JavaScript developer at the junior or trainee level to join a team that builds production-grade web scrapers for enterprise clients. Your work will run on enterprise-level web data infrastructure used by some of the world's most recognizable brands - from Fortune 500 retailers like Nike to global technology companies like Philips - powering their market research, price intelligence, and competitive data pipelines.

This is a hands-on engineering role. You won't be writing toy examples - from early on you'll be building real scrapers that extract structured data at scale.

Responsibilities

- Analyze target websites using Chrome DevTools to understand DOM structure and network requests

- Write JavaScript scrapers using Cheerio and related libraries

- Craft precise CSS selectors and XPath expressions to reliably target data elements

- Use Postman to inspect APIs and reverse-engineer data endpoints where applicable

- Handle pagination, dynamic content, and common anti-scraping patterns

- Deliver clean, structured output data (JSON/CSV) per client specifications

- Maintain and update existing scrapers as target sites change

Tech stack

JavaScript, Cheerio, CSS Selectors, XPath, Chrome DevTools, Postman, Git

Requirements

- 1 year of JavaScript experience in any context (commercial, freelance, or project-based), OR currently enrolled in / recently graduated from a Software Engineering, Computer Science, or related program

- English B2 or higher - you must be able to read technical documentation and communicate with the team in English

- Understanding of HTML/DOM structure and HTTP basics

- Ability to learn independently and figure things out from documentation

Nice to have

- Any personal or academic projects involving scraping, parsing, or browser automation

- Familiarity with Node.js ecosystem

- Basic knowledge of how proxies or headless browsers work

What we offer

- Work on real client projects from day one - no synthetic tasks

- Mentorship and code review from experienced engineers on the team

- Remote-first, fully async-friendly - work from anywhere

Hello guys 👋

At Intobi, we're a software and product development company passionate about driving innovation and progress.

We help our clients succeed by delivering custom-built tech solutions designed to meet their unique needs.

Our expertise lies in developing cutting-edge Web and Mobile applications.

We’re looking for a success-driven Senior Full-Stack .NET Developer for one of our clients.

Full-Time, Long-Term position, work from the office or remote.

About the project:
This is an app for dental clinics. A team of developers, designers, DevOps specialists, and testers is working on the project.

Technical requirements:

— .NET Core, .NET 8 or later - 5+ years of experience;

— Angular 18 or later - 2+ years of experience or any other SPA frameworks like React or Vue - 5+ years of experience;

— Entity Framework Core - code first and database first approaches, understanding how EF and LINQ works under the hood;

— Experience working with MySQL or any other RDBMS;

— Distributed caching, distributed locks, Redis;

— Microservices, distributed system architecture design, scaling up vs scaling out;

— Deploying to AWS EBS and AWS ECS, experience writing CI/CD pipelines in YAML;

— Experience setting up metrics and telemetry, using OpenTelemetry, Grafana, Sentry or other monitoring tools;

— Writing integrations with API of 3rd party SaaS platforms (Xero, Quickbooks, Twilio, Stripe or others);

— Knowledge of possible security threats in web development, supply-chain attacks on developers;

— Knowing what CORS is, how it works, and how to configure CORS correctly with dynamic list of allowed domains;

— Containers, writing dockerfile, writing bash scripts;

— Knowing all of that without AI assistance;

— Being capable googling staff yourself.

Would be a plus:

— Writing integration with Xero or Quickbooks in particular;

— Creating custom nuget packages and distributing them through private nuget feeds;

— No fear using "git rebase - interactice" and solving merge conflicts;

— Experience setting up IAM system (like Keycloak) and using it for user authentication and machine-to-machine authentication;

— Writing n8n or Zappier workflows to automate routine tasks;

— Knowing and using 3rd party tools to enchance development workflow: Code Rabbit, SonarQube and others;

— Knowing how to configure AI to be most productive, and how to share this configuration with team.

What we offer:

— Competitive salary;

— Paid vacation and sick leaves;

— 8 hours a working day, 5 days a week;

— Career growth potential;

— Friendly team and corporate events.

Please send your CV here or via email.

Should the first stage be successfully completed, you’ll be invited to a personal interview.

Job Title:

Senior Full Stack Engineer

About the Product:

Angelina AI is building an AI Workforce OS, an enterprise governance and control-plane platform that turns AI agents into managed digital workers. The system delivers identity management, real-time policy enforcement (including budget limits and guardrails), organizational memory, and full audit trails for AI agents. It supports hybrid deployments across cloud and on-premises environments for education, manufacturing, public sector, and other regulated customers. The platform handles multi-tenant SaaS architecture, unstructured input streams, vector-augmented databases, and large-scale LLM orchestration. Strong full-stack engineers enable safe, reliable production operations and fast feature delivery in a complex, high-impact environment.

About the Role:

You will join Angelina’s AI distributed core engineering team to own full-stack features that power AI agent infrastructure. This role offers end-to-end ownership - from data modeling, API design and backend logic to frontend interfaces and deployment pipelines. You will collaborate directly with product leads and customers on live enterprise and government deployments, not internal prototypes. This is a senior generalist position: you will design policy enforcement layers, integrate identity services, build LLM gateway and agent orchestration, and maintain containerized services in AWS and on-premises. Your work has an immediate real-world impact on how organizations operate digital workforces.

Key Responsibilities:

• Design and implement full-stack features, including backend services, RESTful APIs and frontend UI components
• Integrate and maintain identity management (e.g. Keycloak), file storage and LLM gateway systems
• Develop real-time policy and guardrail enforcement logic for budget controls and intent validation
• Contribute to AI agent and workflow development with tool integrations and orchestration protocols
• Own feature delivery end-to-end: data models, API contracts, business logic, and user interfaces
• Deploy, operate, and monitor containerized services on AWS ECS/Fargate and customer on-premises environments
• Collaborate with founders and customers to ensure production readiness and successful enterprise rollouts
• Participate in architecture decisions to scale platform performance, security, and multi-tenant reliability

Required Competence and Skills:

• 6+ years of professional software development experience with end-to-end full-stack ownership
• Strong Python expertise in production backend development and service frameworks
• Strong experience designing and developing scalable microservices for SaaS products.
• Solid experience with PostgreSQL and vector databases such as pgvector.
• Frontend development experience with React or Angular
• Hands-on experience working with Docker
• Practical experience building LLM-powered applications, AI agents or agentic workflows
• Strong experience supporting and maintaining solutions in production environments.
• Understanding of security and identity protocols (OAuth/OIDC, SSO) and enterprise compliance needs
• Startup mindset: autonomous, resourceful, comfortable with ambiguity and rapid iteration
• Fluent English communication skills for daily remote collaboration across time zones

Nice to Have:

• Experience with agent gateway or routing layers (e.g., LiteLLM) and MCP (Model Context Protocol)
• Familiarity with PII detection and anonymization frameworks (e.g., Presidio, NER models)
• Experience with regulated or government environments and on-premises enterprise deployments
• Prior work with distributed or offshore teams

We’re looking for a .NET Engineer to join a product team developing a platform for voice communications and Microsoft Teams integrations.

You’ll work primarily on the backend, building services that support Teams calls, meetings, recordings, and communication data. A key part of the role is integrating the product with Microsoft Teams and ensuring these integrations remain stable and reliable in production.

What you’ll do

• Build and enhance backend services with C#, .NET, and ASP.NET Core
• Develop integrations with Microsoft Teams
• Work extensively with Microsoft Graph API and Teams communication APIs
• Implement functionality related to calls, meetings, recordings, and communication data
• Create and maintain REST APIs and integrations with external services
• Investigate and fix production issues related to Teams and voice functionality
• Help improve the platform’s performance, reliability, and scalability
• Contribute to architectural discussions and technical improvements

What we expect

• 3+ years of commercial experience with C# / .NET
• Strong experience building backend applications with ASP.NET Core
• Proven commercial experience integrating products with Microsoft Teams
• Hands-on knowledge of Microsoft Graph API
• Experience with Teams calls, meetings, recordings, or communication APIs
• Experience building integrations with third-party systems and APIs
• Solid understanding of SQL, databases, and backend architecture
• Ability to troubleshoot and solve technical issues independently

• English — B2+

   

Good to have

• Microsoft Graph Communications / Calls & Meetings APIs
• Experience with Teams compliance recording or call-recording solutions
• Previous work with VoIP, telephony, voice, or contact center products
• Knowledge of real-time audio or media processing
• WebRTC, SIP, RTP
• SignalR / WebSockets
• Azure

You’re a backend-oriented .NET Engineer who has already worked with Microsoft Teams integrations in a commercial environment and understands the challenges of communication-focused products.

Beyond strong .NET skills, we’re looking for someone familiar with the practical side of calls, meetings, recordings, and voice integrations, including supporting and troubleshooting them in production.

What’s In It for You?

• Career Growth – Opportunities to develop and advance.
• Performance Reviews – Regular feedback and support.
• Work Anniversaries – Special gifts to celebrate milestones.
• Flexible Work – Hybrid or remote (Lviv office available).
• Mentorship – Guidance from experienced professionals.
• Accounting Support – We handle the paperwork.
• Paid Time Off – 18 vacation days + 5 sick days per year.
• Extra Leave – 10 additional days off annually.
• Free Office Lunches – Enjoy meals on us.
• Team Events – Gatherings, gifts, and a welcoming atmosphere.

Meet the YozmaTech

YozmaTech isn’t just another tech company – we’re a global team of go-getters, innovators, and A-players helping startups and product companies scale smarter and faster.
We build dedicated development teams across 10+ countries, creating strong, long-term partnerships based on trust, transparency, and real impact.
Here, every idea counts. We value people who are proactive, open-minded, and ready to grow. If you’re passionate about building meaningful products and want to join a team that feels like family – you’ll feel right at home with us.

Our client is a fast-growing startup focused on modernizing the way companies manage procurement and purchasing. They help organizations streamline procurement workflows, vendor management, and internal processes, allowing them to move faster, control spending, and gain better visibility. The company is small, fast-moving, and highly customer-focused. They work closely with their customers and move quickly from feedback to product improvements. Their platform is highly configurable and integrates with systems such as ERPs, CLMs, and collaboration tools.

Key Requirements:
🔹 You have solid 10+ years of experience building and operating production backend systems;
🔹 You are strong at debugging and refactoring across services, logs, and data and strive for;
🔹 Precise understanding, not hand wavy guesses;
🔹 AWS, with a heavy use of managed and serverless services;
🔹 TypeScript and Node for backend services;
🔹 Aurora Postgres;
🔹 Python for some services and data related work;
🔹 Integrations with third party APIs, ERPs, CLMs, and collaboration tools;
🔹 And flows rather than only individual endpoints;
🔹 You have taken ownership of technically challenging and evolving projects before and are;
🔹 Comfortable working through ambiguity;
🔹 You communicate clearly in writing and in conversation and are comfortable pushing back;
🔹 Asking questions, and exposing risks early;
🔹 You are good at using documentation, experimentation, and AI tools to unblock yourself and;
🔹 Accelerate your work, while still owning correctness and quality;
🔹 You care about leaving codebases and systems in a better state than you found them and;
🔹 Think about maintainability by default;
🔹 Priori experience working at a US based company is a nice to have;
🔹 English – Upper-Intermediate or higher.

Will be plus:
🔹 You can clearly communicate and debate complex problems and proposed solutions;
🔹 You have a broad engineering mindset and enjoy understanding systems end to end;
🔹 You are comfortable taking ownership of technically challenging, evolving projects, not just;
🔹 Well scoped tickets;
🔹 It is very important to us that you are independent: you know how to ask questions, ask for;
🔹 Help, and own your features start to finish;

What you will do:
🔹 Own features end to end and drive them from discovery through design, implementation;
🔹 Rollout, and follow up;
🔹 Work independently while collaborating smartly by unblocking yourself and asking questions;
🔹 Analyze and decompose complex work into clear, incremental steps without losing important;
🔹 Edge cases;
🔹 Communicate and debate solutions by explaining complex topics simply and leading;
🔹 Productive design discussions;
🔹 Identify and articulate tradeoffs across performance, reliability, complexity, and delivery;
🔹 Speed to guide decisions;
🔹 Design and implement backend services including APIs, background jobs, and data flows;
🔹 Across multiple domains and systems;

Interview stages:
🔹 1. Technical Interview(s) with Team Engineers;
🔹 2. Non-Technical Interview with the CTO;


Availability & Collaboration Hours

To ensure seamless collaboration across time zones, everyone is expected to be available for meetings and collaborative work for 4 hours each day, from 10:00 AM to 2:00 PM Eastern Time (ET). This is a mandatory shared availability window for all team members, regardless of their location.

Job Description

Primary Skills:

5+ years of professional software engineering experience with a strong emphasis on scalable frontend architectures.

Proven proficiency in utilizing AI-assisted coworker tools (Claude preferred) to accelerate frontend development to improve engineering productivity, code quality, testing, and development velocity.
Mastery of modern frontend technologies: React, GraphQL, Redux, Vite, TypeScript, HTML5, and CSS3 (Nice to have)
Solid mastery of Testing frameworks (Playwright, Jest, Vitet, Cypress)
Solid understanding of backend integration points, particularly interacting with GraphQL, REST APIs, and authentication flows.
Experience with observability platforms and UI performance optimization techniques.
Data Access: Proficiency with Entity Framework for ORM.
API Documentation: Experience using Swashbuckle to generate and maintain Swagger documentation.

Preferred, Not Required Skills
Version Control: Proficiency with Git and GitLab.
Collaboration: Experience working with Jira and Confluence.

Job Responsibilities

Partner closely with Product, Design, and Backend Engineering teams to translate complex business requirements into intuitive user experiences.
Provide dashboards, charts, and filtered views for sensor telemetry and alert trends to support end-to-end solution monitoring.
Develop detailed topology visualization and cross-org super-admin dashboards.
Unify gateway management and sensor data experiences so customers can move between fleet operations and troubleshooting in a single workflow.
Utilize AI-assisted coworker tools to rapidly generate React components, GraphQL queries, and unit tests.

We are looking for a Senior Full-stack Developer (Python+React) to join our team.

Required Skills & Qualifications:

• Experience: Over 5 years of hands-on experience in designing and developing scalable applications, encompassing both frontend and backend technologies.
• System Design: Proven expertise in crafting scalable system architectures and implementing effective integration strategies.
• Python Proficiency: More than 5 years of in-depth experience with Python/Django/DRF, including building robust and efficient applications.
• API & Integration Skills: Strong knowledge of RESTful API development, third-party integrations, and various communication protocols.
• Version Control & CI/CD: Extensive experience with version control systems (e.g., Git) and the setup and management of CI/CD pipelines.
• React.js (3+ years of commercial experience);
• TypeScript;
• Redux/RTK/Mobx;
• SWR/RTK-Query;
• Hooks;
• SASS, Bootstrap, or something similar;
• Problem-Solving: Exceptional analytical and problem-solving abilities, coupled with meticulous attention to detail;
• Language Proficiency: Upper-Intermediate+ English level, with the capability to lead technical calls, discussions, and collaborate effectively with global teams.

Nice to Have:

• Containerization: Familiarity with containerization technologies such as Docker, Kubernetes, or similar tools for deployment and orchestration;
• Cloud Platforms: Understanding of cloud ecosystems, including AWS, Azure, GCP, or other platforms, to support cloud-native development.

We offer:

• Maximum flexibility;
• Professional trainings, conferences and certifications;
• Corporate events and benefits;
• Professional literature;
• English courses.

The role is based in the Kyiv region, and we will expect you to work full-time in the office. We have a shuttle service from the nearest metro station.

About the Job

We are seeking a skilled Core Developer (Rust/ C++) for Swarm Robotics & Sensor Control with over 5 years of professional experience to join our dynamic development team. You will play a key role in building and optimizing the core architectures for the real-time control and management of robotic swarms and sensor systems. This position offers the opportunity to work with cutting-edge technologies and contribute to complex, mission-critical systems in a collaborative environment.

What is your Day to Day Mission:

• Design, develop, and maintain robust and scalable systems for swarm control and sensor management.
• Implement efficient communication protocols and real-time processing solutions for robotics.
• Collaborate closely with cross-functional teams to integrate backend components with robotics software and sensor networks.
• Optimize system performance, scalability, and reliability in a distributed robotics environment.
• Solve challenging problems using modern programming languages such as C++ and Rust.
• Participate in code reviews, architecture discussions, and software design decisions.

What you bring to the team:

• 5+ years of professional experience in backend development with a strong focus on real-time systems.
• Proficiency in Rust and C++, with a solid understanding of modern software development practices.
• Experience in building and optimizing backend architectures for distributed systems.
• Familiarity with network protocols, multithreading, and low-latency data processing.
• Knowledge of system architecture design, performance optimization, and resource management.

• Ability to work independently, solve complex technical problems, and thrive in a fast-paced startup environment.

   

Nice-to-Have:

• Experience in robotics, swarm control, or sensor integration.
• Familiarity with cloud platforms, Docker, or Kubernetes for scalable deployments.

• Understanding of embedded systems or real-time operating environments.

   

Why Quantum-Systems:

• We Stand with Ukraine
• We believe in the power of combined efforts: straightforward tech expertise paired with a customer-centric focus.
• We are industry pioneers who are ambitious, bold, and visionary.
• We push limits, think outside the box, and strive for technological excellence to shape the future of aerial data.
• We promise to be your runway for individual and professional growth.

About the Company

We are an AI-powered B2B startup helping revenue teams understand what is changing inside their target accounts.

Our platform continuously tracks companies, competitors, stakeholders, and other relevant sources, transforming fragmented signals into actionable intelligence for enterprise customers.

We are a small startup that has been operating for around four years. We work directly with enterprise clients, move fast, and maintain a high level of service.

We are now in a growth stage and expanding our engineering team to increase our capacity to deliver.
 

About the Role

We are looking for a Senior Backend Engineer with strong Go experience and hands-on experience building AI-powered products.

You will primarily work on backend systems, APIs, data processing, and AI workflows. This may include RAG, LLM agents, prompt engineering, retrieval, and vector search.

This is a high-autonomy role. We are looking for someone who can take ownership of a problem, make technical decisions, and deliver solutions without constant supervision.
 

What You'll Do

• Build and maintain backend services in Go
• Develop features involving LLMs, RAG, AI agents, and prompt engineering
• Build APIs, integrations, and data-processing pipelines
• Work with NoSQL databases
• Contribute to retrieval, search, and AI workflows
• Take ownership of features from design to production
• Troubleshoot and solve production issues independently
• Collaborate closely with a small engineering and product team
• Occasionally handle simple Vue.js frontend tasks
   

Requirements

Must have:

• 5+ years of commercial software engineering experience
• 2+ years of commercial Go/Golang experience
• Hands-on experience with at least some of:
  • RAG
  • AI/LLM agents
  • Prompt engineering
  • LLM-powered applications
• Experience with NoSQL databases
• Strong backend development fundamentals
• Ability to work independently with minimal supervision
• Comfortable working in a fast-paced startup environment
• Ability to handle simple frontend tasks in Vue.js, or willingness to learn
   

Nice to Have

• AWS
• Agentic application development
• Vector databases
• Python
• Production RAG systems
• Enterprise SaaS experience
• Experience with data-intensive applications and integrations
   

What We Value

Ownership — You can take a problem from idea to production.

Autonomy — You don't need constant direction or control to make progress.

Pragmatism — You focus on solutions that work rather than unnecessary complexity.

Speed — You are comfortable working in a small team where priorities can move quickly.

Product mindset — You care about the customer problem, not just the code.

We are looking for a Python Developer (microservices) to join the Dataforest team. If you are looking for a friendly team, a healthy working environment, and a flexible schedule ‒ you have found the right place to send your CV.

  You'll be a great fit if you have:

• 2+ years of experience with Python;
• Experience with SQL and query optimisation;
• Experience with integration of 3rd party services;
• Strong understanding of client-server model, REST API approach, authorization/authentication principles;
• Strong understanding of asynchronous/multithread/multiprocess programming;

• Upper- Intermediate level of English.

   

    Would be a plus:

• Experience with Redis and Lua scripts;
• Experience with AWS services (Lambda, Step Functions, API Gateway, SQS, Fargate);
• Experience with Django REST API;
• Experience with payment systems integrations (Stripe, Shopify, Recurly, PayPal, Braintree, etc.);

• Experience with Celery and async task management.

   

  What you'll do:

• Developing server applications (APIs). Within these applications, developers need to describe core logic and integrations with third-party services.
• Writing scripts similar to DAGs in Airflow or AWS Lambdas. These scripts should process information using Pandas or implement some simple business logic.
• Developing applications with a distributed architecture (microservices).

• Developing client applications for data retrieval. These data will later be processed by developers from the DS and DE departments.

   

  We ensure your growth with:

• Competitive salary fixed in USD
• Flexible working schedule and fully remote work format
• Paid vacation days and sick leave days 
• Personal and professional development opportunities
• Participation in building innovative projects from scratch using modern technologies
• Team-building activities and corporate events
• English classes and educational events.

Remote, worldwide, long-term, b2b, full-time
 

About the Company
 

We are an AI-powered B2B startup helping revenue teams understand what is changing inside their target accounts.

Our platform continuously tracks companies, competitors, stakeholders, and other relevant sources, transforming fragmented signals into actionable intelligence for enterprise customers.

We are a small startup that has been operating for around four years. We work directly with enterprise clients, move fast, and maintain a high level of service.

We are now in a growth stage and expanding our engineering team to increase our capacity to deliver.

 

About the Role
 

We are looking for a Senior Backend Engineer with strong Go experience and hands-on experience building AI-powered products.

You will primarily work on backend systems, APIs, data processing, and AI workflows. This may include RAG, LLM agents, prompt engineering, retrieval, and vector search.

This is a high-autonomy role. We are looking for someone who can take ownership of a problem, make technical decisions, and deliver solutions without constant supervision.

 

What You'll Do
 

• Build and maintain backend services in Go
• Develop features involving LLMs, RAG, AI agents, and prompt engineering
• Build APIs, integrations, and data-processing pipelines
• Work with NoSQL databases
• Contribute to retrieval, search, and AI workflows
• Take ownership of features from design to production
• Troubleshoot and solve production issues independently
• Collaborate closely with a small engineering and product team
• Occasionally handle simple Vue.js frontend tasks
  
   

Requirements
 

Must have:

• 5+ years of commercial software engineering experience
• 2+ years of commercial Go/Golang experience
• Hands-on experience with at least some of:
  • RAG
  • AI/LLM agents
  • Prompt engineering
  • LLM-powered applications
• Experience with NoSQL databases
• Strong backend development fundamentals
• Ability to work independently with minimal supervision
• Comfortable working in a fast-paced startup environment
• Ability to handle simple frontend tasks in Vue.js, or willingness to learn
  
   

Nice to Have
 

• AWS
• Agentic application development
• Vector databases
• Python
• Production RAG systems
• Enterprise SaaS experience
• Experience with data-intensive applications and integrations
  
   

What We Value
 

Ownership — You can take a problem from idea to production.

Autonomy — You don't need constant direction or control to make progress.

Pragmatism — You focus on solutions that work rather than unnecessary complexity.

Speed — You are comfortable working in a small team where priorities can move quickly.

Product mindset — You care about the customer problem, not just the code.

About Company

Wise Engineering is a software company where 90% of client relationships turn into long-term partnerships, and 70% of the team are senior-level engineers. We're hiring for one of our client products.

About the Project
A secondary school scheduling platform built by former educators who lived the problem firsthand. The school schedule is one of the most consequential decisions a district makes - it shapes how staff and students spend their time, what positions are needed, and how resources are allocated across schools. With AI-powered optimization and hands-on support, the platform helps school and district leaders build schedules that reflect their academic, staffing, and budget priorities - while saving hundreds of hours in the process.

About the Role

Senior Software Engineer responsible for full-stack development of the platform's data integrations ecosystem. You will build the product and infrastructure that enables schools and districts to send and receive data to the scheduling application, and participate in limited direct customer support to stay close to real integration challenges. 

Strong English is a hard requirement - you'll work directly with non-technical

stakeholders on the customer side.

Responsibilities:

• Build and maintain data pipelines - import, validation, transformation, and export of customer data across 100+ school information systems
• Work directly with customers to enable and troubleshoot their data integrations
• Design and deliver tools and infrastructure that make the integration process more reliable and scalable
• Own key architectural decisions in your product area
• Introduce and apply AI-assisted approaches to parser and exporter development
• Own production availability - observability, incident response, and fixing what you ship
• Mentor engineers on the integration team and contribute to cross-team knowledge sharing

Requirements

Technical Skills

• 3–5+ years of experience in backend or integration-heavy domains
• Hands-on experience with data pipelines, parsers, or system integrations (SFTP, APIs, custom formats)
• Proficiency in Python and async patterns
• English C1 - you'll communicate directly with customers, often non-technical ones
• Strong ownership mindset - comfortable in a fast-moving startup with limited hand-holding
• Experience with LLM/generative AI in a production or development context - building with it, not just using Copilot

• Prior EdTech experience is a plus

   

Experience & Soft Skills

• English C1 or higher - customer-facing role requiring clear communication with non-technical stakeholders!
• Strong problem-solving skills with the ability to navigate ambiguous, loosely defined integration requirements
• Proactive communicator - keeps stakeholders informed, surfaces blockers early, doesn't wait to be asked
• Comfortable working collaboratively across product, engineering, and customer success teams
   

Tech Stack: Python, FastAPI, Pydantic v2, MongoDB, Motor, Dramatiq, RabbitMQ, Temporal, AWS (ECS Fargate, Batch, Lambda, S3, SQS), AWS Bedrock, Gurobi / OR-Tools, dbt, DuckDB / MotherDuck, pytest, GitHub Actions, Docker, Terraform, Terragrunt, Helm, Kubernetes (EKS + ArgoCD), Datadog

Is game engine logic and RTP calculation your superpower? There’s a chance to join a fresh team at a leading iGaming company as a Senior Software Engineer. TOP conditions await: above-market salary, quarterly bonuses, unlimited PTO, and a stable home for years to come!

This role sits at the intersection of engineering, game mathematics, platform, and compliance. You’ll work on the tools, frameworks, and services that enable our mathematicians and game teams to build, validate, run, and monitor game logic in production.

This position is about deep ownership of a very specific technical domain: game engines, mathematical packages, simulation data, RTP monitoring, round details, and integrations with games developed both internally and by external studios.

You’ll be part of a small, experienced team with a high level of responsibility. The impact of this work is direct: incorrect game logic, missing round details, or inaccurate RTP monitoring can affect game delivery timelines, business performance, and regulatory readiness.

If you enjoy working close to complex domain logic, reviewing technical implementations, understanding how games work under the hood, and owning systems where precision matters – this role will feel like home.

Main Responsibilities

– Own, maintain, and evolve company’s Game Engine domain

– Work on internal frameworks and libraries used by mathematicians to implement game logic and mathematical packages

– Review and validate code written by mathematicians, ensuring quality, correctness, maintainability, and proper usage of internal frameworks

– Contribute to the development and support of game engines used to run mathematical logic within our platform

– Support integrations with external game studios by helping build wrappers and bridges between third-party game implementations and Playson’s platform

– Work with data structures and protocols that connect game logic with frontend and backend systems

– Contribute to RTP monitoring processes, including validation of production transaction data against simulation data and expected mathematical behaviour

– Support and evolve tools used for mathematical review, simulations, data files, monitoring, and alerting

– Implement and maintain round details logic required for regulated markets, ensuring that detailed game round information can be correctly provided to partners and regulators

– Collaborate closely with mathematicians, backend engineers, platform teams, compliance stakeholders, and product representatives

– Participate in code reviews and technical discussions to ensure a high engineering standard across the Game Engine domain

– Investigate issues related to game logic, mathematical validation, monitoring, and engine behaviour

– Participate in minimal on-call responsibilities related to the systems owned by the team, mainly around monitoring, alerts, and domain-specific incidents

– Take ownership of a highly specialised area where quality, accuracy, and attention to detail are essential

Mandatory Requirements

– Strong software engineering experience, ideally in backend, game engine, gaming, gambling, betting, or simulation-heavy environments

– Solid experience with Node.js/TypeScript, or strong expertise in another OOP language such as C++, Java, C#, Go, or Python

– Good understanding of software architecture, code quality, testing, debugging, and maintainability

– Experience reviewing complex code and providing clear technical feedback

– Ability to understand domain-specific logic and work with technical systems where business rules, mathematics, and engineering are closely connected

– Strong problem-solving skills and ability to work with complex, non-standard technical challenges

– Experience working with production systems where reliability, accuracy, and correctness are critical

– Understanding of backend systems, APIs, data flows, and service-to-service communication

– Ability to collaborate closely with non-engineering technical experts, especially mathematicians or domain specialists

– Strong ownership mindset and willingness to become a key expert in a narrow but highly important technical domain

– Product-oriented thinking, with an understanding that games are the core product and engineering decisions directly affect delivery, quality, and compliance

– English communication skills sufficient for working in an international environment

Nice to Have

– Experience in iGaming, gambling, betting, game development, or casino games

– Experience working with game engines, mathematical engines, simulation tools, or game logic frameworks

– Background in C++ or experience working with legacy C++ systems

– Experience with mathematical models, probability-based systems, simulations, random generators, or RTP-related logic

– Understanding of regulated markets and compliance requirements in iGaming

– Experience with ClickHouse or other analytical/columnar databases

– Experience with monitoring, alerting, and production diagnostics

– Experience with AI-assisted code review or automated validation tools

– Knowledge of microservices architecture and distributed systems

– Familiarity with Kafka, gRPC, Kubernetes, or AWS

– Experience integrating third-party games, external studio products, or wrapper-based solutions

– Ukrainian language skills would be a plus

We offer

– Competitive Salary

– Quarterly Bonuses

– Unlimited Paid Time Off

– Unlimited Paid Sick Leave

– Remote & Flexible Working

– Private Medical Insurance

– Financial Support for Life Events

– Professional Development Budget

– International Exposure

– Regular Company Events

*Benefits may vary depending on location and contractual agreement

Recruitment Process

– HR interview

– Technical interview (with Live coding)

– Final interview

Job Description

Preferred qualifications & skills:

• Education & experience: Bachelor of Science in Computer Science, Engineering, or a related field, plus extensive commercial experience in cloud orchestration.
• Core Languages: Strong proficiency in Go and Perl (Perl is the primary language for our codebase).
• Virtualization & OS: Deep knowledge of Linux OS internals, QEMU orchestration, and CPU flag management.
• Architecture: Understanding of ARM architecture, memory unified models, and CPU-to-CPU inter-process communications.

Nice to have skills:

• Familiarity with Python for control plane operations.
• Previous experience dealing with NUMA allocation logic.

Job Responsibilities

• Port and upgrade existing x86 orchestration codebases (primarily Go and Perl) to ensure full compatibility with the new ARM architecture.
• Manage and update QEMU flag configurations and networking feature support tailored for the ARM based platform.
• Evaluate and tune NUMA memory allocation logic in Python to maximize performance for the multi-core, multi-processor hardware.
• Perform initial code analysis to identify and refactor architecture specific implementation

Department/Project Description

We are seeking a Senior Software Engineer to join our Core Compute team, managing the application and orchestration layers that allow virtual machines to run seamlessly for our customers across the cloud ecosystem. We are embarking on a strategic project to integrate a new ARM-based multi-core multi-processor into our infrastructure. This initiative involves porting our orchestration stack from x86 to ARM, updating QEMU configurations, and optimizing NUMA memory allocation logic to prepare the platform for future integrations.

Skill Category

Engineering - Other

Keyskills - Must Have

• Linux
• KVM/QEMU
• GOlang Programming language
• Perl

Keyskills - Nice to Have

• Virtualization
• ARM