Jobs at Djinni

About Lexidesk

Lexidesk is a legaltech AI SaaS helping law firms capture, qualify, and convert new client inquiries via AI-powered chat and phone intake. We serve UK, US and Canadian law firms and operate in a compliance-sensitive, production-critical environment where reliability and conversion matter.

The Role

We’re hiring a Founding Engineer to work directly with the CTO & CEO to build and scale Lexidesk.

You’ll own large parts of the system end-to-end, make architectural and product decisions, and help shape the company at an early stage.

This role is for someone with high agency, strong technical judgment, and the ability to make good decisions with incomplete information.

What You’ll Do

• Build and own core platform features end-to-end
• Design and maintain backend services (TypeScript, NestJS)
• Build and evolve the frontend (React)
• Implement AI-driven workflows for chat, voice, and intake
• Integrate with CRMs, calendars, and legal software
• Make pragmatic architecture and product tradeoffs
• Keep the system reliable, maintainable, and production-ready

What We’re Looking For

• Strong full-stack experience with TypeScript, NestJS, and React
• Proven ability to own systems from idea to production
• Track record of shipping highly intuitive products, strong attention to detail.
• High agency and strong decision-making skills
• Product-oriented mindset (you care about outcomes, not just code)
• Comfortable in an early-stage, fast-moving environment where customers set the pace

Strong Plus

• Prior experience building your own startup or product
• Experience with AI / LLM-powered systems
• B2B SaaS or integration-heavy products
• Exposure to regulated or compliance-sensitive domains

Why Join

• Direct impact on product, architecture, and company direction
• Work 1-on-1 with the founder
• Remote-friendly, low-process, execution-focused team

Compensation

• Competitive salary (stage/experience appropriate)
• Monetary bonuses based on outcomes of your features

AdOps / Account Manager / Business Development (CTV / AdTech)

We are looking for an AdOps / Account Manager / Business Development specialist for project-based cooperation, who has a strong understanding of programmatic advertising and the CTV / video ecosystem, and is comfortable working with clients in the European market.

About our Company:

Remote Employees connects global companies with top talent in digital marketing and IT through flexible, on-demand outstaffing.
We help businesses scale efficiently by providing experienced professionals tailored to their needs.

Requirements:

• Hands-on experience with Programmatic ads (non-social)
• Strong understanding of CTV / Video / Display advertising
• Practical experience with DSPs / Ad servers
• Working knowledge of OpenRTB
• Understanding of VAST / VPAID
• Experience with AdTech platforms such as:
  • Intelligent
  • SmartHub
  • or similar platforms

Nice to have:

• Experience with DV360
• The Trade Desk
• Amazon DSP
  (The platform principles and ecosystem knowledge are more important than specific brands.)

Metrics you will work with:

Programmatic / AdTech:

• Fill rate
• CPM
• Delivery / pacing
• Campaign performance

Video / CTV:

• Video Completion Rate
• Reach
• Frequency
• Inventory delivery quality

Critical for this role:

• Ability to debug advertising campaigns
• Ability to optimize campaign delivery
• Ability to clearly explain to clients what is happening and why

Compensation:

• Salary depends on your expectations
• We are open to all compensation models
• Please indicate your preferred work format and rate upfront

Language requirement:

• English level: B1 or higher
• You will communicate with international clients, so confident spoken and written English is important
  
  We’re excited to connect!

We are looking for an experienced Data Scientist to join our team.

Requirements:

• 5–8+ years of experience in Data Science/Analytics
• Strong background in Mathematics, Statistics, or related field
• Solid knowledge of statistical inference and hypothesis testing (p-values, Z-tests, Chi-Square)
• Experience with machine learning for insight generation (e.g., clustering, segmentation, prediction)
• Strong skills in Python and SQL
• Strong stakeholder management and communication skills
• Proven experience creating executive-ready reports and PowerPoint presentations
• Ability to explain complex analytics to non-technical audiences
• Upper-Intermediate or higher level of English (B2+)

Responsibilities

• Lead end-to-end analytics: from problem definition to insights and recommendations
• Apply statistical analysis and machine learning for segmentation, trend analysis, and predictive insights
• Design and interpret statistical tests (p-values, Z-tests, Chi-Square, confidence intervals)
• Translate analytical results into clear business narratives
• Prepare analytical reports and executive-level PowerPoint presentations (core part of the role)Partner with business teams to align analytics with commercial objectives
• Query, clean, and analyze data using SQL and Python
• Act as a trusted analytics partner; mentor junior team members when needed

We offer:

• A full-time job and a long-term contract
• Flexible working hours
• Paid vacation and sick leave
• Managing your taxes and accounting
• Career and professional growth opportunities
• Optional benefits package that includes Health insurance, Gym membership, English courses, compensation of certification, courses, and training
• Creative and lively team of IT specialists, adequate management, and zero unnecessary bureaucracy

Insiders is a fast-growing IT company which employs about 200 people. Our company focused on providing innovative digital services and cutting-edge technologies to solve complex business challenges.

We are located in Lviv and currently work full-time in office. 

Responsibilities:

- Work with different source platforms such as LinkedIn/ Djinny/ Work.ua / Robota.ua ets.

- CV screening.

- Coordinate all interview stages.

- Support and consultation of the candidate at all stages of the hiring process.

We offer:

• Welcoming and amiable work environment in a comfortable office space.
• Official employment with a competitive salary that reflects your experience and skills.
• Growth opportunities.
• Opportunity to work in an IT company that is actively scaling.
• Team-buildings and corporate parties

🟠 Details: we are looking for a Senior .NET Blazor Developer / Architect to join an ongoing rebuild of an enterprise-grade Laboratory Information System (LIS). In this role, you will work hands-on with a mature but evolving codebase, contributing directly to architectural decisions, core modules, and long-term technical direction. The position is designed for an experienced engineer who enjoys shaping robust systems and taking ownership of architectural quality rather than managing a team.

🟠 About the project: our client is modernizing a Laboratory Information System into a high-availability, enterprise-scale healthcare platform built with .NET, ASP.NET Core, and Blazor Server. The system is already in active development with a solid foundation, and the focus is now on scaling, refinement, and strengthening architectural principles to support long-term growth and reliability in a real-world healthcare environment.

🟠 Qualifications:

• Extensive experience building large-scale, enterprise applications using .NET Core and Blazor Server.
• Strong, practical knowledge of software architecture, including Clean Architecture and Domain-Driven Design (DDD).
• Proven ability to design, implement, and evolve core application modules and shared components.
• Deep understanding of design patterns, code quality, and maintainable system design.
• Strong English communication skills; German is a plus.
• A long-term mindset with an interest in contributing to and evolving a complex product over time.

🟠 Responsibilities:

• Shape and refine the architecture of a scalable, enterprise-grade Blazor Server application.
• Apply and uphold Clean Architecture and DDD principles across the codebase.
• Develop, review, and optimize core components, services, and modules.
• Define and maintain software standards, architectural guidelines, and best practices.
• Collaborate on DevOps, testing, and UI/UX strategies to ensure architectural consistency and system quality.

🟠 Engagement model:

• Long-term collaboration is preferred, with the opportunity to become a core contributor to the platform.
• Shorter, high-impact engagements are also considered for senior experts focused on architectural review and guidance.

🟠 Interview steps:

• Screening with Recruiter (about 30 minutes).
• Interview with Project Manager (about 30 minutes).
• Optional Technical Interview with COXIT Engineer (about 1 hour).
• Call with the client (about 1 hour).

🟠 By joining us, you will get:

• Accounting coverage and lawyer support.
• Paid Vacations.
• Paid 4 paid public holidays (New Year, Independence Day, Day of the Defender of Ukraine, and Christmas).
• Flexible working hours and the possibility to work remotely.
• Best-class working equipment (laptop and accessories).
• Good conditions for skills development: the possibility of upgrading your English for business needs due to working time and 50% coverage for studying English; the offer of internal workshops; and wellbeing sessions as one-to-one meetings.

🟠 Our office in Lviv:

• FuturaHUB, located in Lviv (Kulparkivska 200a).
• An inspiring, modern workplace with a great atmosphere and development culture.
• “Happy Hours” parties.
• Yoga and sports training in FuturaHUB.
• Chill-out area: gaming zone with PlayStations, table tennis & table soccer.
• Beer, coffee, tea, cookies, etc.
• Conference rooms.

🟠 Some of our Values:

• No overtime and pressure.
• Regular rest and burnout control.
• Clean relationships within the company and with the client.
• Responsibility for the own development, ideas, and interests communication, as well as for the problems that stand in the way of this development.
• Openness to the new, readiness for changes.

Eco Cleaning NYC is one of the top cleaning companies in New York, ranked among the leaders on Yelp.

Due to the company’s rapid growth, we are looking for a Sales Manager with strong English skills to work with the U.S. market in a remote format.

Why you’ll enjoy working with us:

• Working with clients from the USA
• Fully remote work format
• Clear and in-demand service
• Career growth opportunities up to Team Lead and Head of Sales
• Continuous professional development in sales

Your responsibilities:

• Selling cleaning services in the U.S. market
• Managing and supporting an existing client base
• Full sales cycle: sales, follow-ups, increasing average order value
• Updating and maintaining information in the CRM system
• Tracking and reporting personal performance results

What we expect from you:

• Experience communicating with clients in English (needs assessment, building dialogue)
• Understanding of sales stages and sales techniques
• Skills in inbound and outbound phone calls
• Fluent spoken and written English
• Ability to solve tasks quickly and make independent decisions
• Experience working with CRM systems
• Time management skills
• Strong communication skills, persuasiveness, and stress resistance

What we offer:

• Work schedule: flexible 5/2, second half of the day (Kyiv time)
  (13:30–22:00 / 17:00–01:00 / 21:00–05:00)
• Salary: $500 during the probation period, then base salary + KPI
  (total income $1,000–1,300+)
• Fast onboarding and training 
• Continuous sales skills development
• Remote work format
• Career growth opportunities

Send your resume here or message us directly on Telegram
Ecocleaning_recruiter and join the Eco Cleaning NYC team.

About the role

We are looking for a Sales Manager with solid experience in the gaming industry, who understands the market, players, and business models, and is ready to work with international partners and clients across Europe.

Requirements

• 2+ years of experience in sales / business development within the gaming industry
• Strong understanding of gaming products
• Fluent English (spoken and written) – mandatory
• Proven experience in: Lead generation & negotiations
• Building long-term partnerships
• Closing deals
• Ability to work independently and manage the full sales cycle
• Strong communication and presentation skills
• Experience working with European markets

Nice to have

• Experience with studios, or gaming platforms
• CRM experience (HubSpot, Pipedrive, etc.)
• Additional European language (Spanish and Portuguese)

Responsibilities

• Identify and develop new business opportunities in the Europe and America
• Build and maintain relationships with partners and clients
• Conduct negotiations and close deals
• Analyze market trends and competitors
• Collaborate with marketing and product teams
• Represent the company at industry events (online/offline)

What We Offer

• Fully remote work format
• 18 paid days off + official public holidays according to the Cyprus calendar
• Opportunities for professional growth in IT operations and cybersecurity
• Partial compensation for training and educational courses
• A multifunctional team that supports open communication and idea sharing.

Bavovna Defence is a company operating in the miltech sector, specializing in the development of electronic devices for the frontlines. Our products include munition drop controllers, remote detonation systems, target tracking systems, communication systems, and more.

For the past 2.5 years, we have been fully dedicating ourselves and our work to bringing Ukraine’s victory closer and strengthening its defense capabilities.

We are not planning to stop—only to expand! That’s why we are currently looking for a skilled Hardware Engineer, whose responsibilities will include:

• Developing technological maps for the production of electronic devices.
• Designing electronic devices, as well as physical and mathematical models of systems.
• Creating physical models for simulating control systems for electronic devices and aerial vehicles in MATLAB/Simulink.

• Researching and adapting new production technologies (related to development).

   

Requirements:

• Strong knowledge of physics and mathematics.
• Experience working with safety systems.
• Understanding of analog and digital circuit design.
• Knowledge of electromagnetic compatibility (certification experience is a plus).
• Understanding of PCB manufacturing/assembly and knowledge of IPC standards.
• Experience with Git.
• Proficiency in Altium Designer / OrCad / Eagle.
• Ability to read blueprints and work with STEP models.
• Experience with SPICE simulators: LTSpice, PSpice, Multisim, Microcap, Proteus.

• English proficiency (spoken skills are preferred).

   

Bonus points for:

• Experience with BGA packages / multilayer (8+) PCBs.
• Experience with STM32 controllers / FPGA.
• Experience in RF circuit/antenna/SDR system design.
• Experience with instrumentation amplifiers.
• Experience in designing switching power supplies.
• Experience in Safety-Critical / Mission-Critical system development.

What we offer:

• Competitive salary (at or above market level, depending on technical interview results).
• Remote work format.
• Flexible schedule (we prioritize task completion within deadlines rather than fixed working hours).
• A truly friendly team of professionals and like-minded individuals who will support, assist, and eagerly share their expertise with new team members.

We look forward to having you on board! 🚀

We are looking for Talent Sourcer for an IT product company that is rapidly growing and delivering a unique, cutting-edge solution in the defense tech industry. 

Talent Sourcer will support the expansion of the company during this period of rapid growth. You will be responsible for attracting and identifying potential candidates, finding effective ways to connect with them, and continuously improving sourcing strategies and processes. 

Key Responsibilities: 

• Develop and implement effective sourcing strategies for roles across various levels. 

• Utilize a wide range of sourcing techniques, including Boolean/X-ray search on different platforms such as LinkedIn Recruiter, GitHub, social media and alternative sources. 

• Craft personalized and multi-channel outreach campaigns to increase candidate response rates and engagement. 

• Analyze sourcing data and recruitment funnel metrics, including interview conversion rates, response rates, and others. 

• Conduct market mapping and competitor research to identify talent pools and hiring trends. 

• Collaborate closely with hiring managers to ensure alignment and effectiveness in recruiting efforts. 

Skills and experience: 

• Minimum of 2 years of hands-on experience as a Sourcer. 

• Demonstrated expertise in sourcing across both technical and non-technical roles. 

• Knowledge of different sourcing tools and techniques, including Boolean search, and sourcing across various platforms (e.g., LinkedIn, GitHub, etc.). 

• Strong understanding of diverse job roles and the ability to quickly understand and adapt to new job requirements. 

• Results-oriented mindset with a proactive approach, creative problem-solving, and a high degree of flexibility. 

• Proficiency in English at an upper-intermediate level or higher (B2+ / C1). 

• Experience sourcing candidates in the EU and USA markets will be a plus. 

What company offers: 

• A dynamic and innovative work environment that supports professional growth. 

• The opportunity to make an impact on the company’s processes and outcomes. 

• Work with Ashby ATS and the latest sourcing tools. 

• Competitive salary, official employment, employee military deferral (if applicable), and stable working conditions. 

• Flexible working arrangements (office / hybrid, flexible working hours). 

• A chance to contribute to the development of a cutting-edge and fast-moving product. 

If you're passionate about identifying top talent and enjoy using innovative sourcing strategies to find the perfect fit, we'd love to hear from you!

About Fintech Farm

We are a UK fintech creating successful neobanks in emerging markets in partnerships with local traditional banks.

Our success builds upon a best-in-class product, customer experience, emotional engagement, viral marketing and deep credit decisioning expertise.

One of our founders had previously co-founded a highly successful Eastern European neobank with a multi million customer base.

We launched our first market with Leobank in Azerbaijan in 2021, where we have already established market leading positions. Our next market was Vietnam, where we launched Liobank in early 2023 and also gained solid traction.

We have a few more new markets in the pipeline for the next 12 months, and we are starting to build the team there.
 

Why Fintech Farm is a great place to be

Our ambition. We are looking to become a leading consumer digital bank brand in each market we operate, making it easy for consumers to interact with their money. You could be a part of this exciting journey.

Our culture.

Customers. We always go above and beyond to provide an amazing customer experience. We serve our customers the way we would want our mom to be served. And who said that banking has to be boring? We make our apps not just easy but fun to use.

People. We are all business partners in our company. Each of us thinks big, acts as if we own the place, and never takes “No” as an answer. We work with strong individuals whom we empower and trust rather than micromanage. Common sense rather than formal policies prevails in all that we do. We always stay curious and open-minded. We embrace the We over Me culture.

What you will do

• Analyze anti-fraud and payment performance metrics, including Approval Rate for card transactions, decline statistics, and their impact on business processes
• Identify, analyze, and investigate root causes of transaction declines during the authorization stage
• Work with large-scale datasets (Big Data) to detect trends, anomalies, and fraud-related patterns
• Apply statistical analysis techniques and build clear, actionable data visualizations for stakeholders
• Collaborate closely with product, engineering, risk, and operations teams to improve payment and anti-fraud flows
• Analyze and optimize payment processing flows, including authorization, network processing, clearing, and transaction confirmation

What we are looking for

• 2–3+ years of experience in a similar Business Analyst role, preferably in financial services, banking, payments, or transaction analysis
• Hands-on experience working with large volumes of data (Big Data)
• Strong understanding of Approval Rate, transaction decline reasons, and their business impact
• Solid knowledge of statistical analysis methods and data visualization techniques
• Good understanding of payment processing principles and flows
• Experience working with payment systems and protocols such as 3D Secure, EMV, PCI-DSS
• Strong analytical mindset, attention to detail, and a results-oriented approach

What we are offering

• Competitive salary, negotiable depending on the candidate’s level
• Share options
• A fast-growing start-up environment — with more benefits on the way

We’re looking for a Product Owner with experience in iGaming or similar consumer digital products to own key product domains and drive measurable growth across the player journey — from registration and KYC to deposits, gameplay, bonuses, retention, and reactivation. You’ll work cross-functionally with UX/UI, engineering, QA, marketing, operations, compliance, and CRM teams in a fast-paced, release-driven environment.

Key Required Skills

• 3+ years of experience as a Product Manager or Product Owner,  in iGaming, online entertainment, or consumer web products.
• Strong understanding of iGaming user journeys: registration, KYC, deposits, gameplay, bonuses, retention, reactivation.
• Experience owning a product backlog end-to-end: discovery, PRDs, user stories, acceptance criteria, release planning.
• Strong analytical skills: ability to define KPIs, read data, run A/B tests, and translate insights into product decisions.
• Comfortable working with UX/UI, development, QA, marketing, and operations teams.
• Excellent English communication skills (written and verbal) with the ability to align stakeholders and explain decisions clearly.
• Proactive, ownership-driven mindset with a focus on impact, delivery, and continuous improvement.
•  

Responsibilities

• Own one or more product domains (e.g., onboarding, cashier, lobby, bonuses, CRM tools, games UX) and define a clear product vision and roadmap.
• Lead discovery: collect and prioritize requirements from business, operations, support, marketing, compliance, and VIP/CRM teams.
• Translate needs into structured PRDs, user stories, and acceptance criteria for design and development.
• Partner with UX/UI to build simple, high-conversion flows that meet regulatory and responsible gaming requirements.
• Work closely with developers and QA to plan sprints, clarify scope, remove blockers, and ensure high-quality, on-time delivery.
• Monitor performance metrics (conversion, retention, ARPU, Real%, funnel drop-offs, etc.) and define experiments to improve results.
• Collaborate with BI/Analytics to ensure correct tracking, dashboards, and reporting.
• Partner with Operations, Customer Support, and CRM to understand player pain points and convert them into product improvements.
• Support go-live: release notes, internal training, post-release monitoring, and iteration.
• Stay up to date with iGaming trends, competitors, regulations, and 3rd-party tools to identify product opportunities and risks.

At VEN, we help brands grow by putting the customer first and email plays a key role in that mission. We’re hiring a Junior Email Marketing Manager to shape thoughtful, high-performing lifecycle communication, turning real data and creativity into campaigns and automations that build trust, retention, and long-term value.

Role Overview

As an Email Marketing Manager, you will own and evolve our email and SMS marketing strategy. You’ll blend creativity and analytics to nurture meaningful relationships with customers at every stage of the lifecycle. 

You’ll be responsible for building and optimizing campaigns and automations, analyzing performance, and continuously testing new ideas to improve results. Over time, you’ll be encouraged to take greater ownership of projects and strategy.

What You’ll Do:

• Grow subscriber lists, maintain list hygiene and strong sender reputation.
• Drive user retention through Email and SMS channels
• Build and manage audience segments based on user behavior and lifecycle stage
• Plan, create, and manage Email and SMS campaigns/automated flows. Write compelling copies and collaborate with designers on visuals and layouts
• Monitor the performance closely, analyze results, outline next steps
• Develop hypotheses and run A/B tests (subject lines, CTAs, incentives, etc.)
• Bring fresh ideas and improvements that help push performance forward

What We’re Looking For:

Required Experience & Skills

• 1+ year of hands-on experience in email marketing
• Experience working with ESPs such as Klaviyo, Mailchimp, or similar platforms
• Strong copywriting skills with a customer-first mindset
• Solid understanding of email deliverability best practices and compliance (understanding of CAN-SPAM, GDPR, CCPA)
• Results-driven mindset with the knack for analyzing data, forecasting outcomes, and proposing testable hypotheses
• Basic knowledge of HTML/CSS
• Proficiency in English (B2 / Upper-Intermediate or higher), written and spoken
• Strong time-management skills and ability to handle multiple projects

Preferred / Nice to Have

• Experience working with Magento
• Background in e-commerce
• Healthcare industry experience (strong advantage)

We are offering:

• Competitive compensation based on experience and skills.
• Remote work.
• Paid vacation of 20 working days per year.
• Health insurance.
• Work Schedule: 8 hours per day, 5 days a week.

Welcome to Drawer.AI!

- What we do: AI-driven workflows that let estimators pull quantities and costs from complex PDF drawing sets.  
- Stage: Seed-funded, revenue-generating, aiming for a Series A in 2026.  
- Why join now: Real customers are pushing our roadmap faster than our current front-end team can build.

We’re looking for a Customer Success Lead with experience in the electrical industry to own customer relationships and drive long-term product adoption.

Key Responsibilities:

• Own the full customer journey: onboarding, adoption, and retention.
• Build strong relationships with customers in the electrical industry.
• Lead customer calls, demos, and onboarding sessions.
• Gather customer feedback and translate it into product insights.
• Work closely with Product, Engineering, and Sales teams.
• Proactively identify risks and drive solutions.

Requirements:

• Professional experience in the electrical industry (electrical contracting, estimating, construction, AEC, or related fields).
• Experience in a customer-facing role (Customer Success, Account Management, Consulting, etc.).
• Strong understanding of electrical workflows and terminology.
• Excellent communication skills in English.

Nice to have:

• Experience with SaaS or construction/AEC software.
• Experience working with US-based customers.
• Background in electrical estimating is a strong advantage.

Join our stellar team at Drawer.AI, where excellence meets opportunity! Experience the exceptional; enjoy a competitive salary and career advancement and the outstanding work environment we take pride in. Elevate your professional journey with us – because we believe in creating success together. Build a better future with us!

Summary

• 5+ years of professional experience with Python;
• Strong experience with FastAPI, Flask, or similar Python web frameworks;
• Experience building and consuming RESTful APIs;
• Experience with relational and/or NoSQL databases;
• Experience with or understanding of: NumPy, SciPy, Pandas, scikit-learn;
• Experience or hands-on experimentation with LLMs (OpenAI, Claude, etc.), prompt engineering, AI-powered assistants, content summarization, and data analysis using AI.

About the role

We are looking for a Senior Python Developer to join a globally distributed team supporting high-volume digital initiatives for a large international automotive group, covering both passenger vehicles and commercial transport solutions (fleet, vans, etc.) across multiple markets (USA, Canada, Europe, and globally).

This role requires a strong backend-focused Python developer with broad technical exposure, including API development, data processing, and some frontend interaction. The ideal candidate is communicative, proactive, and comfortable collaborating directly with client stakeholders, while also being capable of working independently and leading initiatives when needed.

You will primarily support long-term enterprise automotive projects (99–100% allocation), working on scalable, production-grade systems that increasingly leverage Python, AI, and data-driven architectures.

Responsibilities:

• Design, develop, and maintain scalable Python-based backend services;
• Build and maintain APIs (primarily using FastAPI and/or Flask);
• Implement data processing pipelines and transformations;
• Support frontend applications by serving structured, well-optimized data;
• Work across frontend, backend, and data layers when needed;
• Collaborate closely with frontend developers building SPAs and feature apps;
• Integrate with Adobe Experience Manager (AEM)-based platforms;
• Participate in architecture discussions and technical decision-making;
• Improve and refactor existing codebases for maintainability and scalability;
• Contribute to AI-powered features and workflows;
• Implement testing strategies and ensure code quality;
• Identify performance bottlenecks and propose scalable solutions;
• Take ownership of features or systems end-to-end when required.

Required Skills & Experience

• 5+ years of professional experience with Python;
• Strong experience with FastAPI, Flask, or similar Python web frameworks;
• Experience building and consuming RESTful APIs;
• Solid understanding of backend architecture and service design;
• Experience with data processing, transformations, and structured outputs;
• Experience with relational and/or NoSQL databases;
• Familiarity with asynchronous programming and concurrency;
• Experience with Git-based workflows;
• Strong debugging and problem-solving skills;
• Ability to work independently and take ownership;
• Strong communication skills - able to explain technical decisions clearly.

Data & AI Exposure (Highly Desired)

The client is increasingly focused on AI-driven workflows and data-heavy systems. The ideal candidate should be comfortable discussing:

• Experience with or understanding of: NumPy, SciPy, Pandas, scikit-learn;
• Data transformation pipelines;
• Serving processed data to dashboards, charts, or frontend visualizations;
• Scraping, parsing, and processing large volumes of data;
• Queue-based systems and background processing;
• Handling concurrency, scaling, and performance challenges.

AI & LLM Experience (Big Plus)

The team is actively working on GenAI-powered solutions for a large international enterprise client. Even if not currently working with AI, candidates should ideally have:

Experience or hands-on experimentation with:

• LLMs (OpenAI, Claude, etc.);
• Prompt engineering;
• AI-powered assistants;
• Content summarization;
• Data analysis using AI;

Ability to discuss:

• Proofs of concept;
• Scaling AI features from PoC to production;
• Challenges around infrastructure, cost, reliability, and governance.

Team and Collaboration, 

• The team is globally distributed (US, Canada, Europe);
• The candidate will be based in Europe and will most likely have a Tech Lead in the UK as their main technical point of contact;
• Direct communication with the client is strongly encouraged;
• The candidate must be comfortable discussing ideas, raising concerns, suggesting improvements, and asking questions when needed;
• At the same time, the candidate must be able to work independently, as some projects may involve being the only developer on a given initiative.

Summary

ML Researcher / Engineer wanted to join a high-impact AI/ML team in performance marketing. The company runs campaigns across 25+ verticals, and you'll be researching, inventing, and implementing suitable ML models into campaign management, and porting successful pipelines and processes into a fully automated ML-driven system. Your models will influence real bidding, real budgets, and real campaign decisions.

What's the project about?

You'll be working with ML models for a performance-based (pay-per-lead) marketing platform that relies on prediction, scoring, and ranking. You’ll work with rich tabular data, build models that power optimization loops, and collaborate closely with business and Data Engineering teams to prepare your models for production, not just notebooks.

Required Skills:

• Experience building and validating tabular ML models
• XGBoost/LightGBM/CatBoost and similar models, corresponding Python libraries
• Defining metrics and design validation setups
• Confident feature engineering and data quality/wrangling
• Data pipelines

Would be a Plus:

• Experience with model serving (FastAPI, Bento, TorchServe)
• Monitoring: drift, data checks, stability
• Background in ranking/optimization models

What will you do?

• Build predictive, scoring, and ranking models directly impacting client campaigns and ROI
• Own dataset preparation, pipelines, processes, and validation strategies
• Design experiments that challenge assumptions and uncover real lift
• Collaborate with Software and Data Engineers on feature availability and consistency, packaging, and preparing models for real usage in production

Who you are?

You have strong, hands-on experience with tabular ML (XGBoost, LightGBM, CatBoost), you’ve trained and validated models, and you enjoy shaping experiments that prove whether a hypothesis lives or dies. You think clearly, value clean data, honest metrics, and production impact.