Jobs

Data Science UA is a service company with deep expertise in AI and Data Science. Our story started in 2016 with the first Data Science UA Conference in Kyiv, and since then, we’ve built one of the largest AI communities in Europe.

About the role:
We are looking for a hands-on Sr. Machine Learning / Computer Vision Engineer with strong practical experience in designing, training, evaluating, and improving vision systems for real-world applications. The ideal candidate combines solid theoretical ML/CV fundamentals with an engineering mindset and is comfortable taking ownership of the full pipeline, from data preparation and experimentation to model optimization and deployment.

Responsibilities:
- Design, train, evaluate, and improve machine learning and computer vision models for real-world production use cases
- Build and maintain end-to-end ML pipelines, including data collection support, preprocessing, feature engineering, training, validation, and inference
- Develop solutions across both computer vision and machine learning tasks depending on business needs
- Perform error analysis, diagnose model weaknesses, and drive improvements in accuracy, robustness, and reliability
- Select and justify appropriate methods and model architectures based on dataset characteristics, product constraints, and deployment requirements
- Work with challenging real-world data, including noisy, limited, imbalanced, or weakly labeled datasets
- Collaborate with engineering and product teams to translate business problems into practical ML solutions
- Contribute to production-ready development with a focus on maintainability, reproducibility, and performance

Requirements:
- 3–5+ years of professional experience in Machine Learning / Computer Vision
- Strong senior-level practical expertise in computer vision, machine learning, and applied model development
- Hands-on experience with tasks such as object detection, image classification, anomaly detection, feature-based approaches, or similar
- Solid understanding of classical ML methods, including tree-based models, linear models, feature engineering, model selection, and evaluation
- Strong Python skills and practical experience with PyTorch, OpenCV, and common ML tooling
- Experience building full ML workflows including data preparation, augmentation, preprocessing, training, validation, testing, and deployment handoff
- Strong understanding of model evaluation, debugging, overfitting, generalization, optimization, and experiment-driven improvement
- Ability to write clean, modular, maintainable code and independently own technical solutions
- Strong analytical thinking, engineering maturity, and problem-solving skills

Nice to Have:
- Experience in adjacent ML domains such as time-series, audio, or NLP
- Experience with embedding-based methods, metric learning, retrieval systems, or memory-bank approaches
- Practical experience with model optimization techniques such as quantization, pruning, distillation, or related efficiency-focused approaches
- Experience working with real-world industrial datasets and ambiguous problem formulations
- Knowledge of software engineering best practices, reproducible experimentation, and pipeline design

We offer:
- Free English classes with a native speaker and external courses compensation;
- PE support by professional accountants;
- Medical insurance;
- Team-building events, conferences, meetups, and other activities;
- There are many other benefits you’ll find out at the interview.

Responsibilities

• Provide IT support to employees (remote and on-site)
• Manage user accounts, permissions, and system access
• Handle onboarding and offboarding from the IT side
• Prepare and configure employee workstations
• Manage IT equipment procurement, delivery, and inventory
• Troubleshoot hardware, software, and system issues
• Maintain IT documentation and asset records
• Support internal tools (Google Workspace, Atlassian, GitHub)
• Assist with cloud access management (AWS / GCP / Azure basics)
• Participate in IT infrastructure and security improvements

Requirements

• 2+ years in IT support / Service Desk / system administration
• Experience with access management, onboarding, equipment provisioning
• Experience supporting macOS and Windows
• Understanding of network basics (DNS, DHCP, VPN, TCP/IP)
• Experience with ticketing systems
• Basic understanding of cloud platforms (AWS / Azure / GCP)
• Basic understanding of GitHub access management
• Experience maintaining documentation

Nice to have

• Experience with MDM solutions
• Experience with VPN or LDAP
• Administration experience in Atlassian, GitHub, AWS
• Interest or experience in security topics (Zero Trust, access control, endpoint security)

What we expect

• Ownership of operational tasks
• Ability to handle routine work and technical issues
• Structured approach to documentation and processes
• Proactive mindset and willingness to learn

We offer

• Competitive EUR salary
• Quarterly bonus system
• Flexible schedule
• Medical insurance
• Unlimited vacation and sick leave
• Budget for professional learning
• Modern hardware

Job Summary

Our embedded software engineering team's mission is to craft reliable, high-performance solutions that reach millions of homes worldwide within the home security market. We follow agile development methodologies with regular sprint cycles, code reviews, and continuous integration practices. The team's established approach emphasizes comprehensive testing, rigorous security standards, and close collaboration with hardware engineering, product management, and customer support teams. We pride ourselves on writing clean, maintainable code and fostering a culture of knowledge sharing and technical excellence.

We're seeking a skilled C & C++ Embedded Engineer to take ownership of critical software components in our camera-based security devices. This role involves maintaining existing products through comprehensive debugging and bug fixing, as well as developing innovative new features.

Responsibilities and Duties

— Design, develop, and maintain high-quality embedded software in C and C++ for camera-based security devices.

— Debug and resolve complex software, hardware, and network connectivity issues across the entire software stack.

— Develop new features and improve existing codebases for the product line.

— Optimize software performance for resource-constrained embedded environments.

— Conduct code reviews and provide technical mentorship to team members.

— Participate in architecture discussions and technical decision-making processes.

— Collaborate with QA teams to develop comprehensive testing strategies.

— Document software designs, APIs, libraries, and troubleshooting procedures.

Qualifications and Skills

— Proven experience in embedded development, with expertise in C and C++ (C++17 standard) and deep knowledge of RTOS and microcontroller architectures (ARM, RISC-V).

— Proficiency in the full SDLC, including professional engineering practices like Git, CMake, code reviews, and continuous integration.

— Solid understanding of network programming and experience with multithreading on multicore microcontrollers.

— Expertise in communication interfaces (I2C, SPI, UART, and Wi-Fi) and experience writing device drivers and libraries.

— Hands-on experience with hardware troubleshooting and debugging tools (oscilloscopes, logic analyzers, etc.) and cross-compilation tool chains.

— Ability to work independently and take ownership of complex projects.

— Excellent communication skills for technical discussions and documentation, with a collaborative mindset for cross-functional team environments.

— At least an Intermediate level in both written and spoken English (B1).

Nice to have

— Understanding of security protocols and encryption methods

— Experience with Python for scripting and automation

— Experience using AI-powered tools to enhance productivity and code quality

We offer multiple benefits that include

— The environment of equal opportunities, transparent and value-based corporate culture, and an individual approach to each team member.

— Competitive compensation and perks. Annual performance review.

— Opportunity to receive a Performance Bonus for your individual achievements and a Loyalty Bonus recognizing your dedication to the company.

— Gig-contract.

— 21 paid vacation days per year, paid public holidays according to Ukrainian legislation.

— Development opportunities like corporate courses, knowledge hubs, and free English classes as well as educational leaves.

— Medical insurance is provided from day one. Sick leaves and medical leaves are available.

— Remote working mode is available within Ukraine only.

— Free meals, fruits, and snacks when working in the office.

RubyPlay is a place where passion meets competence. Since 2017, we’ve made more than 200 innovative games and built more than 100 strong partnerships globally!
 

Proud to be:

• The Winner at BFTH Arena Awards — Best Online Casino Game
• Shortlisted for SBC Awards 2024 — Casino/Slots Developer of the Year
• A strong player on 10+ markets globally
• Beloved workplace for hundreds of specialists from 34 countries
   

We are now growing our team and looking for driven professionals ready to build their careers in a strong, international studio with a product that’s making waves worldwide.

Now we are seeking a highly skilled Full-Stack Developer to join our Digital and Data team, responsible for building and maintaining our client-facing web application and managing our company website (WordPress-based).
You’ll play a key role in developing scalable backend services, designing elegant front-end experiences, and ensuring a secure, high-performance digital presence across both platforms.

Tech Stack:

• Frontend: Figma-based designs → React, MaterialUI
• Backend: Python, FastAPI
• Database: MySQL
• Website: WordPress (PHP, plugins, CMS integrations)
• Infrastructure: Google Cloud, Kubernetes (GKE), Alembic migrations
• Authentication: Auth0 (OAuth, JWT)
• CI/CD: GitLab CI, Jenkins
• QA & Automation: Automated testing (unit, API, and UI – PyTest, Cypress)
   

Here’s How You’ll Make an Impact:
 

Client-Facing Application Development

• Design, build, and maintain core modules (BI dashboards, file management, invoicing, campaigns, and marketing hubs).
• Translate Figma prototypes into clean, responsive, and accessible front-end components.
• Develop and optimize RESTful APIs using FastAPI with robust authentication and role-based access (Auth0).
• Manage database schema evolution via Alembic; ensure performance and integrity in MySQL queries.
• Integrate with cloud and external systems such as Google Cloud Storage, Snowflake, and ERP platforms.
• Debug, troubleshoot, and optimize complex distributed systems with attention to scalability and resilience.
   

Website Management (WordPress)

• Maintain and enhance the company’s WordPress website for performance, SEO, and accessibility.
• Implement new landing pages, plugins, and API integrations aligned with company branding and campaigns.
• Collaborate with marketing and design teams to maintain brand consistency and improve conversion rates.
   

Quality, CI/CD, and Collaboration

• Maintain high code quality through testing, peer reviews, and automated pipelines.
• Implement CI/CD workflows using GitLab CI and Jenkins.
• Work closely with Product, Data, and QA teams to deliver iterative improvements.
• Provide technical guidance and contribute to roadmap discussions for future features.
   

What Makes You A Strong Candidate:

• 5+ years of Full-Stack Development experience with Python (FastAPI) and modern JavaScript frameworks
• Strong experience with MySQL and Alembic migrations
• Proven experience with Auth0, Google Cloud, and Kubernetes
• Proficiency in WordPress (themes, plugins, APIs, performance tuning)
• Hands-on experience with GitLab CI and Jenkins for CI/CD automation
• Strong background in debugging, troubleshooting, and optimizing complex systems
• Solid understanding of REST API architecture, authentication, and deployment best practices
   

Nice to have:

• Experience with B2B or SaaS environments
• Familiarity with automation tools (e.g., Workato)
• Understanding of UX/UI principles, accessibility standards, and responsive design best practices
• Exposure to analytics or BI integrations
   

Why You’ll Love It Here:

• Remote-first flexibility — Work from anywhere with a setup for deep focus and work-life balance
• Learning & growth — Development budgets and dedicated days to upskill and explore new areas
• Health & wellness — Medical coverage and well-being budgets to help you feel balanced, strong, and supported
• Yearly bonus — Rewards based on company success and your impact
• Career growth — Vertical and horizontal opportunities to grow and advance
• Global team — Talented, diverse colleagues you’ll enjoy working with
   

Interested in becoming a RubyPlayer and making a mark in the iGaming world? Join us!

🚀 Who we are:

Adaptiq is a technology hub specializing in building, scaling, and supporting R&D teams for high-end, fast-growing product companies in a wide range of industries.

📍About the Product:

We are developing a no-code automation platform designed for enterprise IT and support teams. The product integrates with multiple third-party systems - such as cloud providers, identity services, and ITSM tools - to automate routine tasks and improve operational efficiency. 
The main technical stack: Python, FastAPI, AsyncIO, microservices architecture using FastAPI and AsyncIO, Postgres, Redis, HTTP/REST APIs, OAuth. 
Current initiatives include the design and implementation of autonomous AI-driven workflows to resolve support tickets and streamline IT processes. 

The system must deliver high reliability and low latency at scale, handling complex orchestration and integrations while maintaining clear auditability and extensibility.

About the Role:

✔️ As a Senior Python Engineer, you will own the design, development, and maintenance of core backend services and REST APIs for our automation platform. 

✔️ You will collaborate directly with stakeholders and a cross-border engineering team. 

✔️ While your primary focus will be on server-side components (including database interactions, task orchestration, and third-party integrations) you will also provide backup support for minor front-end tasks using TypeScript and ReactJS. 

✔️ You will take full ownership of your modules, identify root causes of production issues, propose architecture improvements, and contribute to our AI automation initiatives. 

📍Key Responsibilities:

• Design, implement, and maintain Python-based REST APIs and backend services using FastAPI and AsyncIO.
• Integrate with external systems (cloud providers, identity platforms, ITSM tools) via HTTP/REST interfaces.
• Manage data persistence and caching with Postgres and Redis, ensuring performance and reliability.
• Collaborate on microservices architecture, contributing to code reviews and design discussions.
• Perform root-cause analysis and debugging of production issues to maintain high service availability.
• Support some front-end tasks in ReactJS and TypeScript
• Work with DevOps and infrastructure teams on cloud-based deployments and system design.
• Leverage AI-assisted development tools to improve code quality and productivity.

📍Required Competence and Skills:

• 6+ years of professional experience in software development, with a focus on Python.
• Strong understanding of computer science fundamentals, algorithms, and data structures.
• Proficiency with Postgres and Redis for data storage and caching.
• Experience deploying and operating services on Azure or another major cloud platform.
• Practical skills in TypeScript and ReactJS for front-end maintenance tasks.
• In-depth knowledge of HTTP, REST API design, and OAuth protocols.
• Product-oriented mindset with experience collaborating directly with designers and stakeholders.
• Experience using AI-powered development tools (e.g., Copilot, Cursor) in daily workflow.

Nice to Have:

• Familiarity with Next.js for server-rendered React applications.
• Experience with Temporal or similar orchestration/workflow systems.
• Knowledge of message queue systems (Kafka, RabbitMQ) and event-driven architectures.

Why Us:

We provide 20 days of vacation leave per calendar year (plus official national holidays of a country you are based in).

We provide full accounting and legal support in all countries we operate.

We utilize a fully remote work model with a powerful workstation and co-working space in case you need it.

We offer a highly competitive package with yearly performance and compensation reviews.

This is a senior, highly specialized individual contributor role. We are looking for a very strong and specific candidate who can operate as a one-person function, supporting key processes and working closely with the team.

We are seeking a Creative Technical Artist with strong game design intuition and the ability to build, polish, and tune gameplay using lightweight, game-focused coding (“vibe coding”).

The role focuses on building, iterating, and polishing interactive HTML5 playable ads, where visuals, mechanics, and overall game feel must come together quickly and at a high quality bar.

Key Responsibilities

Visual & Technical Art

• Create, adapt, and polish optimized 2D and 3D assets for playable ads
• Work in Blender to:
  • Edit and optimize models
  • Adjust materials, lighting, scale, and pivots
  • Export game-ready assets (GLB, textures)
• Ensure visual clarity, consistency, and performance on mobile devices

Vibe Coding (Game-Focused)

• Write and modify JavaScript / TypeScript to:
  • Control gameplay behavior
  • Tune timing, feedback, and interaction flow
  • Connect visuals to interaction logic
• Read and safely modify existing game codebases
• Use code as a creative tool to shape game feel
• Leverage AI coding tools to accelerate iteration while maintaining full understanding and control

Required Qualifications

• 3+ years of professional experience as a game artist, technical artist, or interactive artist
• 2+ years of hands-on experience with Blender creating game-ready 3D assets
• Proven experience producing real-time 2D and/or 3D assets for games or interactive applications
• Strong understanding of game mechanics, player feedback, and interaction flow
• 2+ years of hands-on experience working with a game engine such as Unity or Unreal Engine
• Experience implementing or supporting gameplay mechanics within a game engine environment
• Experience integrating art assets into game engines and resolving technical issues
  
  Hiring Process
• CV Screen
• Test Task
• First Manager Interview (Technical)
• Second Manager Interview
• HR Interview 
• Job Offer

We are looking for an experienced Team Lead Affiliate Manager to join our team! In this role, you will lead and mentor the affiliate team while driving the growth and efficiency of our partner program. You’ll play a key role in shaping affiliate strategy, building strong partnerships, and ensuring outstanding performance across the affiliate channel.

Are you ready to take the next step in your career and lead a high-performing team in a dynamic and innovative environment? If you enjoy strategic thinking, leadership, and building strong partnerships, we’d love to hear from you!

HOW YOU WILL MAKE AN IMPACT

• Lead, mentor, and develop the Affiliate Managers team, ensuring high performance and professional growth.
• Develop and implement the overall affiliate marketing strategy aligned with company goals.
• Build and maintain strong relationships with top affiliates and strategic partners.
• Oversee the onboarding and management of new affiliates while strengthening relationships with existing partners.
• Monitor affiliate traffic quality, ensuring compliance with company policies and brand standards.
• Analyze key performance metrics (ROI, LTV, NGR, GGR, ARPU, ROAS, etc.) and identify opportunities for growth and optimization.
• Coordinate with internal teams (marketing, product, analytics, compliance) to improve affiliate performance.
• Develop incentive programs, campaigns, and loyalty initiatives for top-performing partners.
• Track and analyze team performance, ensuring KPIs are met and exceeded.
• Improve internal processes, reporting systems, and workflow efficiency within the affiliate department.
• Represent the company at industry conferences and networking events.

WHAT WILL HELP YOU SUCCEED IN THE ROLE

• 3+ years of experience in affiliate marketing within the iGaming or Betting industry.
• At least 1 year of experience leading or mentoring a team.
• Upper-intermediate or higher proficiency in English.
• Strong analytical mindset with the ability to interpret traffic and performance data.
• Experience working with affiliate platforms, tracking systems, and CRM tools.
• Excellent leadership, communication, and negotiation skills.
• Strong organizational and project management abilities.
• Experience working with high-volume traffic partners.
• Willingness to travel and attend industry conferences.

HOW WE WILL KEEP YOU SMILING

• Flexible working hours and a remote work setup, so you can plan work around your life and not your life around work!
• Unlimited vacation days and paid sick leave—because your rest matters.
• A competitive compensation that truly reflects your skills and expertise.
• Employee referral bonus and gifts to celebrate your special occasions.
• 50% financial support for learning expenses to supercharge your professional growth!
• A positive atmosphere where you always feel respected and truly belong.
• Inspirational team-building activities that turn colleagues into best friends.
• Wellness benefits: We’ll support your sports passions, from yoga classes to gym memberships.
• Co-working space reimbursement to save your nerves from always working from home :)

We are looking for a Senior Integration Product Manager to join a fintech team. You will own and manage outbound integrations end-to-end — from receiving and analyzing partner API documentation to coordinating engineering execution and delivering integrations to full production launch.

This role plays a key part in supporting geographic expansion and maintaining stable payment performance, particularly in high-risk verticals. The ideal candidate has strong experience in payment infrastructure, a solid understanding of transaction lifecycle and 3DS authentication flows, and a proven ability to deliver complex integrations from documentation analysis through stable production deployment.

Responsibilities:

• Manage end-to-end delivery of acquirer and APM integrations from API documentation to production launch
• Develop structured integration plans (scope, timelines, dependencies, risk assessment) and ensure delivery within agreed deadlines
• Ensure integrations comply with established internal standards, documentation requirements, and quality guidelines
• Coordinate execution across Engineering, Operations, Risk, and Business Development to ensure smooth go-live and stabilization
  Collaborate closely with the integration team and backend engineering to deliver assigned integrations
• Manage external technical stakeholders during go-live and stabilization phases
• Monitor integration performance and resolve operational issues in collaboration with relevant teams
• Provide clear and structured status updates to the CPO and relevant stakeholders

Requirements:

• 3+ years of experience as a Product Manager or Integration Product Manager in PSP, fintech, or payment infrastructure
  Proven experience managing outbound integrations with acquirers and APM providers
• Strong understanding of card acquiring lifecycle, alternative Payment Methods (APMs) and provider integrations, high-risk payment processing, 3DS authentication flows, payment routing and transaction lifecycle
• Hands-on experience working with APIs (REST, webhooks, SDKs)
• Practical experience using Postman
• Experience working with international payment partners and cross-border integrations
• Ability to provide clear and structured status reporting to senior stakeholders
• Strong cross-functional stakeholder management skills
• SQL and data analysis skills
• Understanding of inbound (merchant-facing) API architecture and how external integrations impact internal and public APIs
• Experience improving operational payment performance

• Upper-intermediate English or higher

   

  Nice to have: demonstrated practical and consistent use of LLM tools and AI agents in professional workflows

What we offer:

• A chance to grow in the fintech industry
• The best team to work with
• Paid time off, sick leave, and public holidays according to Barcelona location
• Healthcare benefits / medical insurance after the probation period
• Educational budget and additional benefits after the probation period

Product details: A comprehensive Engineering Document Management System (EDMS) designed to streamline the management of engineering documents and data throughout their lifecycle. It serves as a centralized repository, ensuring that all stakeholders have access to accurate, up-to-date information, thereby enhancing collaboration and operational efficiency.

Technologies:

• Languages: C#; C++; SignalR, JS/TS; ExtJS 3, Angular, XML/XSLT, JS/HTML,
  Windows applications programming knowledge
• Frameworks: COM/DCOM, .NET Framework and Core, ASP.NET, WCF, XML
  Web Services (SOAP), REST
• Win32 API, Windows Desktop applications - MFC/ATL, Windows Forms, ISAPI
  extensions
• Elastic Search, Publisher, Hyperion, SiteCache (all .NET servers and clients)
• Databases: SQL Server, Oracle, SQL Lite, MS Access,  T-SQL and PSQL
  (Oracle)
• Infrastructure: Teamcity, build pipelines and MAT-pipelines - PowerShell, Azure
  infrastructure, Nuget (work with package managers, also NPM)
• InstallShield, WiX and/or modern setup technologies (web install)
• Windows Applications registration and installation, Windows server management
  (services, sc command line)
• Windows security, Active directory and tools, Windows Networking (NetBios,
  WINS), TCP/IP networking (DNS)
• GitHub and GitHub actions

QA: in-house framework called MAT (Meridian Automated Testing), it is using .NET
Framework.

Requirements:

• 5+ years of experience in development of windows and web applications
• Strong proficiency in C++, C# and experience in listed technologies
• 1+ year experience with AI tooling in software engineering space, ideally with GitHub Copilot
• Experience working with proprietary databases
• Experience with integration third party libraries and APIs
• Strong understanding of version control, security best practices, and Agile
  methodologies

• Excellent communication and teamwork skills

   

Nice to have: Some experience working with AutoCAD and verticals, Microstation, Inventor and Revit, Office object model

Responsibilities:

• Support of existing applications (bug fixes, updates/upgrades, technical improvements)
• Writing clean, maintainable, and efficient code while adhering to coding standards and
  best practices
• Active participation in code reviews, sprint planning, and design discussions
• Troubleshooting complex customer issues

ABOUT THE ROLE

We are looking for a detail-oriented junior/middle specialist to support currency exposure management processes. This role is ideal for someone with strong numerical skills and an interest in financial operations, payments, and currency markets.
You will work with internal financial data, monitor multi-currency positions, and support operational hedging activities that help the company manage exchange rate risk.
This is not a speculative trading role - it is a structured, process-driven operational position.

WHAT YOU’LL BE WORKING ON

• Currency position monitoring: track the company’s exposure across multiple currencies
• Assist in calculating net currency positions
• Help maintain accurate internal reports on currency balances
• Support execution of routine FX buy/sell transactions under supervision
• Follow established procedures for managing currency exposure
• Help ensure timely updates of FX-related data
• Help identify mismatches between incoming and outgoing currency flows
• Support improvements in reporting and process accuracy
• Work closely with Treasury, Finance, and Reconciliation teams to ensure data consistency and smooth coordination of currency-related processes.

WHAT YOU NEED TO SUCCEED IN THIS ROLE

• At least 1 year of experience in finance, payments, accounting, analytics, or similar numerical roles
• Strong comfort working with numbers and calculations
• At least intermediate Excel skills (formulas, data organization, basic analysis)
• Basic understanding of exchange rates and currency conversion is a big plus
• Exposure to financial markets, payments, or fintech environments
• Good attention to detail and accuracy
• Responsible and reliable working style
• Ability to follow structured processes
• Working-level English 

WHAT WE OFFER

• An opportunity to make something great even greater, you can be the reason why we grow, develop, and become the best fintech company on the market!
• Career prospects - we are young, we have huge ambitions, and it is important that our employees grow with us 
• Work with coworkers who are passionate about their business
• Compensation that will fully correspond to the competence and knowledge, with yearly performance reviews
• The opportunity to attend conferences, courses, and professional development at the company's expense - we favor the continuous development of our employees
• Remote type of work 
• Vacation time; bank holidays; Sick leaves; Additional birthday day off; Animal adoption day off. 

You can find out more about our team, our values, and the unique ways we celebrate our successes here: https://fyst.com/culture 

About the project
60-day prototype, runtime governance for autonomous AI systems. You'll own one isolated module end-to-end.
Likely domains (one per engineer)
Execution Intercept Layer
Authorization Engine
Logging & Replay Layer
Test Harness / Simulation Layer

What you'll do
Build and own your assigned domain module
Work in a segmented repo environment (no full-stack visibility by design)
Write deterministic, testable code that passes through validation harness before integration
Collaborate with Lead Engineer and other domain contributors

Stack
Go (Golang)
PostgreSQL
AWS

You're a fit if you
Have solid backend/systems engineering background
Have worked with API gateways, policy engines, or execution environments
Are comfortable with isolated, well-scoped work
Write tests first or at least don't hate the idea
Bonus: experience in adversarial testing or security engineering

Engagement
Contract, 60 days
Full-time or 30–40 hrs/week
Competitive rate, discussed after scoping call

About the project

We're building a runtime governance control layer for advanced AI systems in regulated environments. Phase A is a 60-day prototype focused on execution containment, authorization gating, and immutable audit logging across agentic workflows. This is infrastructure-layer work — not an LLM app.

What you'll do

Lead a team of 3–5 engineers across segmented development domains

Design and oversee the control layer between inference and execution systems

Coordinate integration across modules (intercept layer, auth engine, logging, test harness)

Work directly with the Founder and Architectural Steward

Ensure determinism and correctness in the enforcement layer

Stack

Go (Golang)

PostgreSQL

AWS

You're a fit if you

Have 8–12+ years in backend/systems engineering

Have hands-on experience with distributed systems, sandboxing, or secure execution environments

Think structurally about failure — not just happy paths

Have led small teams in high-accountability, tightly scoped builds

Bonus: regulated environment experience (fintech, healthtech, defense)

Engagement

Contract, 60 days, full-time equivalent

Competitive hourly or milestone-based rate

Equity possible for exceptional contributors

We are looking for an Email Marketing Expert to build and maintain the
company’s email infrastructure.

This role is mainly technical and operational, focused on setting up automated flows, working with HTML templates, and ensuring reliable email delivery through our email platform.

The specialist will collaborate with the marketing team to implement and optimize foundational and lifecycle email flows.

Responsibilities:

• Set up and manage email infrastructure using Klaviyo.
• Build and maintain foundation email flows (welcome, abandoned cart, transactional emails, retention flows)
• Create and manage HTML email templates based on existing designs and layouts
• Fully own and manage the subscriber database
• Send regular email campaigns and newsletters, ensuring compliance with email marketing best practices and platform requirements
• Assemble emails using predefined templates and design assets
• Configure and optimize automated email sequences within Klaviyo
• Ensure proper email deliverability and platform setup (authentication, list health, segmentation)
• Optimize email structure and HTML formatting for reliable delivery across devices
• Collaborate with marketing and design teams to implement email templates and flows
• Monitor email performance metrics and improve deliverability and technical setup

Requirements:
 

• 3+ years of experience in email marketing or lifecycle marketing
• Strong experience with email platforms such as Klaviyo, HubSpot or Mailchimp
• Experience working with HTML email templates and email builders
• Fluent English (C1 level)
• Exceptional attention to detail, ensuring emails are visually accurate and properly formatted
• Ability not only to build templates but also test them thoroughly across devices and inbox providers
• Understanding of email deliverability and list health management
• Experience building and managing automated email flows
• Ability to assemble emails using existing templates and designs
• Data-driven mindset with experience analyzing campaign performance
• Experience with DTC or lifestyle brands is a plus
• Organized, proactive and comfortable working in a fast-paced environment

Seeking a founding AI engineer to develop real-time speech to text systems for military and emergency services, focusing on Python, in Warsaw.

The company is a European defence tech startup building modern software for military and emergency services, with a focus on high-stakes, hostile environments. Backed by top VCs and strategic partners, the company is assembling a world-class founding team to deliver real-world impact

This Founding AI Engineer role exists to drive the development of bespoke, real-time speech-to-text systems for initial customers, working closely with the founders in a fast-moving, ambiguous environment.

You’ll work closely with the founders to evolve our early stack and help service our first customers (French, German, Ukrainian, and Polish military units, as well as emergency services).

Requirements:

• Experience with implementing Voice AI systems in resource constrained environments
• Strong execution skills
• Desire to build from zero

• Ability to thrive in ambiguous, fast-moving environments

   

Conditions:

•  Compensation will depend on experience; expected range €70–110K + equity
• On-site in Warsaw, Poland; relocation and visa sponsorship are available for strong candidates. 
• Candidates must be able and willing to work from the office in Warsaw.

We’re looking for an energetic and organized Marketing Manager to support our marketing activities across two products. This is a role for someone who is eager to grow, enjoys dynamic work, loves coordinating projects, and feels confident turning ideas into clear, structured execution.

WHAT DRIVES US:

✨ Clients First – Their success is our top priority. ✨ Ownership – We take responsibility and follow through until the job is done.

✨ Flexibility – We value people who think flexibly and stay open to new ways of doing things.

✨ Growth Mindset – We learn, innovate, and welcome new ideas.

If these values sound like you, chances are you’ll thrive in our team.

MAIN RESPONSIBILITIES:

• Collaborate with CMO and execute marketing activities according to the plan.
• Coordinate tasks between SMM, designers, copywriters, and external contractors.
• Monitor marketing performance and prepare monthly reports.
• Manage content schedules, track progress, and ensure timely delivery.
• Work on social media activities, PR tasks, and partnerships.
• Coordinate and manage preparations for offline conferences and industry events.

• Participate in brainstorming and contribute ideas for content and promotions.

   

WHAT YOU BRING:

• 1,5+ years of experience in marketing.
• Understanding of digital marketing tools and analytics.
• Initiative, creativity, willingness to develop within the company.
• Experience with AI tools.
• Hands-on experience in a specific marketing area would be an advantage.
• Good communication and organizational skills.

• English level: Upper-Intermediate.

   

WE OFFER:

🌍 Remote work from anywhere

⏰ Full-time 

🌴 Unlimited paid vacation days 

🤒 10 paid sick days