Jobs at Djinni

About the Role:

We are seeking a motivated Junior Verification Engineer to join our VLSI design and verification team.

This is an excellent opportunity for new graduates with strong academic training in digital design, verification methodologies, and SystemVerilog/UVM.

Responsibilities:

Develop and execute verification testbenches using Verilog/SystemVerilog and UVM

Implement functional and constrained-random tests for block-level and SoC-level designs

Create coverage models (functional, code, assertion-based) and drive coverage closure

Debug simulation failures, interface mismatches, and RTL issues

Write and maintain scoreboards, monitors, agents, drivers, and checkers in UVM

Review design specifications, extract test requirements, and build verification plans

Run regressions, triage failures, and document results

Collaborate closely with RTL designers, DFT, backend, and system architects

Required Qualifications:

B.Sc. or M.Sc. in Electrical/Computer Engineering or related field

Strong academic background in digital logic, computer architecture, and VLSI design

Hands-on experience with Verilog and SystemVerilog (labs, projects, internship)

Basic understanding of UVM methodology

Familiarity with simulation tools (VCS, QuestaSim, Xcelium or similar)

Ability to read and understand RTL code

Good analytical and debugging skills

Strong motivation to grow in advanced functional verification

Nice-to-Have Skills:

Coursework or project experience with UVM testbench development

Familiarity with assertion-based verification (SVA)

Basic scripting (Python, Perl, Shell, TCL)

Experience with coverage-driven verification

Exposure to SoC-level interfaces (AXI, PCIe, DDR, Ethernet, SPI, I2C)

What We Offer:

Full training in modern verification methodologies (UVM, SVA, CRV)

Work with cutting-edge IPs and SoC architectures

Mentorship from senior verification and architecture teams

Clear growth path toward UVM specialist, verification lead, or architect

We are looking for highly motivated junior engineers to join our Design-for-Test (DFT) team.

This is an excellent opportunity for graduates who want to build expertise in Scan, Memory BIST, and JTAG within advanced VLSI development.

Responsibilities:

Learn and support implementation of scan insertion and scan chain architecture

Assist in ATPG pattern generation and test coverage analysis

Participate in Memory BIST (MBIST) integration and verification

Work with JTAG / IEEE 1149.1 boundary scan concepts and flows

Help debug test-related issues at RTL and gate level

Collaborate with senior DFT engineers on SoC-level test strategy

Required Background:

Academic knowledge in digital logic, VLSI design, and computer architecture

Basic familiarity with DFT concepts: scan, ATPG, BIST, boundary scan

Understanding of Verilog or VHDL

Scripting basics (Python, TCL, Shell)

Good analytical and problem-solving skills

Strong motivation to learn industry-standard DFT tools and flows

What We Offer:

Full training in Scan, MBIST, JTAG, ATPG, and DFT methodologies

Mentorship by experienced DFT engineers

Exposure to advanced SoC development flows and signoff

Growth path toward senior DFT, test architecture, or silicon bring-up roles

About the Role:

We are seeking a motivated Junior Package Engineer with PCB design experience to join our IC packaging and signal/power integrity team.

You will support the development of advanced semiconductor packages and perform SI/PI analysis for high-speed interfaces such as Ethernet, PCIe, DDR, and SerDes.

Responsibilities:

• Assist in IC package design (substrate layout, stack-up, routing, DRC checks)
• Support package floorplanning and die/ball map development
• Work with senior engineers to run SI simulations (S-parameters, insertion loss, eye diagrams)
• Perform PI/PDN analysis (IR drop, decap planning, impedance profiles)
• Translate PCB experience into package-level routing constraints (differential pair rules, impedance control)
• Help model high-speed interfaces: Ethernet, PCIe, DDR, SerDes
• Collaborate with silicon, system, and PCB teams on end-to-end interconnect design
• Document design guidelines, simulation results, and engineering reports

Required Qualifications:

• Experience with PCB design tools (Altium, OrCAD, Allegro, KiCad, or similar)
• Understanding of high-speed differential routing and board-level signal integrity basics
• Familiarity with impedance control, vias, stackups, return paths, PDN concepts
• Exposure to interfaces such as Ethernet, PCIe, DDR
• Basic scripting or automation skills (Python/Matlab preferred)
• Strong problem-solving abilities and attention to detail

• High motivation to learn package design and SI/PI methodologies

   

  Nice-to-Have Skills

• Familiarity with package design tools: Cadence SIP/APD, Xpeedic, Mentor Xpedition
• Exposure to SI/PI simulation tools: ANSYS SIwave, HFSS, Sigrity, ADS
• Understanding of flip-chip, BGA, RDL, 2.5D/3D packaging

• Knowledge of SerDes, USB, LPDDR, or high-speed PHY design principles

   

What We Offer: 

• Full training in IC packaging, SI/PI analysis, and advanced interconnect design
• Opportunity to work with cutting-edge technologies (PCIe Gen5/6, DDR5/6, chiplets)
• Mentorship from senior package, SI, and system engineers
• A clear growth path toward package architect, SI/PI lead, or chiplet interconnect specialist

About the Role:

We are seeking a motivated Junior Package Engineer with PCB design experience to join our IC packaging and signal/power integrity team.

You will support the development of advanced semiconductor packages and perform SI/PI analysis for high-speed interfaces such as Ethernet, PCIe, DDR, and SerDes.

Responsibilities:

• Assist in IC package design (substrate layout, stack-up, routing, DRC checks)
• Support package floorplanning and die/ball map development
• Work with senior engineers to run SI simulations (S-parameters, insertion loss, eye diagrams)
• Perform PI/PDN analysis (IR drop, decap planning, impedance profiles)
• Translate PCB experience into package-level routing constraints (differential pair rules, impedance control)
• Help model high-speed interfaces: Ethernet, PCIe, DDR, SerDes
• Collaborate with silicon, system, and PCB teams on end-to-end interconnect design
• Document design guidelines, simulation results, and engineering reports

Required Qualifications:

• Experience with PCB design tools (Altium, OrCAD, Allegro, KiCad, or similar)
• Understanding of high-speed differential routing and board-level signal integrity basics
• Familiarity with impedance control, vias, stackups, return paths, PDN concepts
• Exposure to interfaces such as Ethernet, PCIe, DDR
• Basic scripting or automation skills (Python/Matlab preferred)
• Strong problem-solving abilities and attention to detail

• High motivation to learn package design and SI/PI methodologies

   

  Nice-to-Have Skills

• Familiarity with package design tools: Cadence SIP/APD, Xpeedic, Mentor Xpedition
• Exposure to SI/PI simulation tools: ANSYS SIwave, HFSS, Sigrity, ADS
• Understanding of flip-chip, BGA, RDL, 2.5D/3D packaging

• Knowledge of SerDes, USB, LPDDR, or high-speed PHY design principles

   

What We Offer: 

• Full training in IC packaging, SI/PI analysis, and advanced interconnect design
• Opportunity to work with cutting-edge technologies (PCIe Gen5/6, DDR5/6, chiplets)
• Mentorship from senior package, SI, and system engineers
• A clear growth path toward package architect, SI/PI lead, or chiplet interconnect specialist

We design integrated circuits for consumer, medical and automotive markets. The majority of these designs are complex SoC/ASIC architectures that integrate IPs, such as ARM and RISC-V CPUs and peripherals, DSP cores, analog cells and other IPs with progressive technology nodes: 24, 10, 7,  3 nanometers.

In our daily work we constantly face challenges that requires out of box thinking. This makes our lives an interesting and challenging adventure. Such attitude permits creation of products full of features that often outperform market. We are constant learners, the same we expect from our new employees. Hence, we’d be happy to meet passionate and keen on learning, bright young individuals.

Below is a brief list of skills/knowledge that ideally suit our job profile. Still it’s not an issue if you don’t possess some of those. To our opinion the fundamental engineer’s skills are problem solving and ability to learn.

Desired knowledge you may possess:

• Good understanding of digital/analog electronics and semiconductors physics
• FPGA placement and routing using EDA tools
• Experience with PCB design using such tools such as OrCAD, Altium Designer or similar
• Basic knowledge of scripting languages such as Tcl, Python, Make
• Beginner’s level of English

Optional skills you may have:

• FPGA design using HDLs or schematics editor
• Embedded systems design using IDEs such as Keil, AtmelStudio, IAR

We offer:

• Part- or full-time employment, flexible schedule
• On-job training in our Kyiv office with high skilled professionals
• Potential growth in the direction of ASIC design
• Paid sick leave and vacation

We design integrated circuits for consumer, medical and automotive markets. The majority of these designs are complex SoC/ASIC architectures that integrate IPs, such as ARM and RISC-V CPUs and peripherals, DSP cores, analog cells and other IPs with progressive technology nodes: 14, 10, 8, 7 nanometers.

You will be responsible for digital logic design and verification. Besides, you'd be able to learn and improve related methodologies. Below is a brief list of skills/knowledge that ideally suit our job profile. Still it’s not an issue if you don’t possess some of those. To our opinion the fundamental engineer’s skills are analytical thinking and ability to learn.

Essential qualifications:

-Degree in Electronics or related fields

-Good understanding of digital electronics

-Experience with EDA tools (Xilinx, Mentor Graphics, Synopsys or similar)

-Beginner’s level of English or higher

Optional qualifications you may have:

-FPGA design using HDL (Verilog, VHDL) or schematics editor

-IC design verification using System Verilog

-CPU architecture knowledge, embedded SW development

We offer:

-Full-time employment, flexible schedule

-On-job training in our Kyiv office with high skilled professionals

-Potential growth in directions of ASIC/FPGA design

-Social benefits, modern and comfortable office facilities

We design integrated circuits for consumer, medical and automotive markets. The majority of these designs are complex SoC/ASIC architectures that integrate IPs, such as ARM and RISC-V CPUs and peripherals, DSP cores, analog cells and other IPs with progressive technology nodes: 24, 10, 7,  3 nanometers.

In our daily work we constantly face challenges that requires out of box thinking. This makes our lives an interesting and challenging adventure. Such attitude permits creation of products full of features that often outperform market. We are constant learners, the same we expect from our new employees. Hence, we’d be happy to meet passionate and keen on learning, bright young individuals.

Below is a brief list of skills/knowledge that ideally suit our job profile. Still it’s not an issue if you don’t possess some of those. To our opinion the fundamental engineer’s skills are problem solving and ability to learn.

Desired knowledge you may possess:

• Good understanding of digital/analog electronics and semiconductors physics
• FPGA placement and routing using EDA tools
• Experience with PCB design using such tools such as OrCAD, Altium Designer or similar
• Basic knowledge of scripting languages such as Tcl, Python, Make
• Beginner’s level of English

Optional skills you may have:

• FPGA design using HDLs or schematics editor
• Embedded systems design using IDEs such as Keil, AtmelStudio, IAR

We offer:

• Part- or full-time employment, flexible schedule
• On-job training in our Kyiv office with high skilled professionals
• Potential growth in the direction of ASIC design
• Paid sick leave and vacation

We’re looking for a Full-Stack Developer who doesn’t just write code - but builds products, solves real problems, and takes ownership.

If you enjoy working across the stack, shipping features end-to-end, and seeing the direct impact of your work - this role is for you!

 

💡 What you’ll be working with

• TypeScript as a core language
• React + Redux on the frontend
• Node.js + NestJS on the backend
• PostgreSQL for data management
• REST APIs and tools like Postman
• Docker & AWS for infrastructure

Nice to have:

• React Native / Firebase / Expo
   

🔥 What you’ll do

• Build features from idea → production
• Improve and scale an existing product
• Refactor and keep the codebase clean and maintainable
• Integrate third-party services and APIs
• Work side-by-side with PMs, QAs, architects, and developers

• Be part of releases and see your work go live

   

🌱 What matters to us

• You’re proactive and take ownership
• You care about clean, scalable code
• You’re comfortable communicating in English (Upper-Intermediate+)
• You’re always looking to learn and grow

🎯 What you’ll get

• Real impact - your work won’t be lost in layers of bureaucracy
• A team that values initiative, not micromanagement
• Space to grow both technically and professionally
• Flexibility - we tailor benefits to what actually matters to you
   

Our client is a leading global Financial market data provider who runs a change program aiming to migrate a set of legacy data connectors to a new strategic platform. The main driver is to deliver high-quality software that connects Financial Markets across the globe in a real-time, high frequency, and low-latency data management chain. The projects are technically challenging in an environment that is very engaging. Projects will utilize a multitude of different languages and skillsets with a focus on C++ and scripting languages.

We are looking for a C++ software engineer/developer with experience in implementation backend systems and services running under Linux, Cloud, ideally, with capabilities to deliver projects independently and coordinate work with BA, QA, Operational, and cross-functional application teams.

• Responsibilities:

  • Develop high-quality software, design, and functional documentation
  • Provide estimates for specific software feature implementation
  • Identify, prioritize, and execute tasks in the software development life cycle
  • Build unit tests for your code
  • Automate tasks through appropriate tools and scripting
  • Perform validation and verification testing
  • Collaborate with internal teams and vendors to fix and improve products
  • Ensure software is up-to-date with the latest technologies and standards

• Mandatory Skills Description:

  • 3+ years of full life-cycle software development experience
  • 3+ years of object-oriented development, in particular, C++
  • Experience developing under Linux
  • Ability to collaborate in a team-focused environment
  • Excellent analytical skills and a real passion for solving problems
  • English at the level of Upper-Intermediate (spoken)
  • Experience with Docker, AWS

• Nice-to-Have Skills Description:

  • Ability to suggest/research new technologies and quickly adapt to change
  • Experience working with Market Data and Trading

🌟 About SelfInspection

SelfInspection is a fast-growing AI-driven vehicle inspection platform transforming how leasing companies, fleets, and financial institutions process vehicle damage assessments.

We combine computer vision, automation, and modern cloud architecture to deliver scalable and intelligent inspection workflows.

We are building a robust, event-driven backend system — and we’re looking for a strong Senior Backend Engineer to help us scale it properly.

🧠 What You’ll Do

• Design and build scalable microservices using NestJS (TypeScript)
• Architect and maintain event-driven systems using Kafka / RabbitMQ
• Design clean domain-driven services (inspection flows, reports, billing, notifications)
• Work with PostgreSQL (schema design, optimization, migrations)
• Improve system reliability, observability, and performance
• Participate in architectural decisions (modular monolith vs microservices boundaries)
• Collaborate closely with frontend, QA, and AI teams
• Write clean, testable, production-ready code
• Help improve CI/CD and deployment pipelines (AWS environment)

🏗 Tech Stack

• Backend: NestJS (TypeScript)
• Architecture: Microservices, Event-Driven
• Messaging: Kafka and/or RabbitMQ
• Database: PostgreSQL
• Cloud: AWS
• Containerization: Docker
• CI/CD: GitHub Actions (or similar)
• APIs: REST (future: gRPC)

✅ Requirements

• 5+ years of backend development experience
• Strong experience with microservices architecture
• Hands-on experience with event-driven systems (Kafka or RabbitMQ)
• Deep knowledge of NestJS or Node.js backend frameworks
• Strong experience with PostgreSQL (indexes, performance tuning, transactions)
• Understanding of distributed systems challenges (idempotency, retries, eventual consistency)
• Experience designing APIs and maintaining clean contracts
• Startup mindset: ownership, autonomy, speed

🎯 Nice to Have

• Experience with Domain-Driven Design (DDD)
• Experience with inspection, insurance, fintech, or fleet systems
• Familiarity with Kubernetes
• Experience building high-throughput systems
• Knowledge of AI/ML service integrations

💼 What We Offer

• Work on a real AI product with global customers
• Strong technical ownership
• Fast-paced startup culture
• Flexible work schedule
• Competitive compensation
• Opportunity to shape architecture decisions

💡 Who Will Thrive Here

Someone who:

• Thinks in systems, not just endpoints
• Cares about architecture quality
• Can balance speed and correctness
• Takes ownership instead of waiting for tickets

Come Back Agency supports US software and technology companies by running their hiring process. We work with delivery and leadership teams to define roles, screen candidates, and manage interviews. Successful candidates are hired directly by the company and become part of its team.

Employer information:

This position is with a US-based software company providing custom development and AI implementation for North American clients. The team builds and maintains production software, including AI-enabled systems, and works in long-term client engagements. Team members operate as part of an internal, distributed team and collaborate directly with client stakeholders.

About the role:

We are looking for a detail-oriented content specialist to generate, structure, and publish content on our websites. This role is a great entry point for someone who is organized, curious, and comfortable working with AI tools and digital platforms.

You will produce website pages and blog posts using AI tools, prepare content for review, and publish it through our CMS. A US-based team member will review all content for final language and tone, so the focus here is on structure, clarity, and consistency — not perfect native English.

We will provide structured onboarding and clear guidelines, so prior experience in a content role is a plus but not required.

What you will do:

• Generate website pages and blog posts using AI tools based on briefs, outlines, or existing materials.
• Edit and refine AI-generated content to ensure it is clear, accurate, and well structured.
• Publish content to the website using our CMS, including formatting, internal links, headings, and basic SEO structure.
• Update and improve existing pages when needed.
• Coordinate with a US-based reviewer and apply feedback before content goes live.

What we are looking for:

• Strong written English — you can produce clear, professional text even if it will later be reviewed by a native speaker.
• Comfort using AI tools such as ChatGPT or similar, or a genuine interest in learning to use them for content work.
• Attention to detail and the ability to follow guidelines consistently.
• Basic familiarity with any CMS (WordPress, Wix, Notion, or similar) — or a willingness to learn quickly.
• Reliability and a structured approach to completing tasks.

No formal content experience is required if you can demonstrate the skills above.

Nice to have:

• Any hands-on experience writing or editing content, even personal projects, freelance work, or coursework.
• Familiarity with basic SEO concepts such as headings, meta descriptions, or internal links.
• Experience with software, tech, or digital services topics.

What we offer:

• Working hours aligned with US time zones, typically 16:00–00:00 Kyiv time.
• English lessons to support clear and confident communication.
• Paid vacation and sick days.
• Fully remote work.
• Structured, personalized onboarding to help you ramp up effectively.
• Opportunities for professional growth within the team.

How to apply

Send your resume and a short note about yourself — tell us what interests you about this role and share any examples of writing or content work if you have them. Personal projects, blog posts, or coursework are welcome.

You can apply through our website at comeback.ua. Selected candidates will be contacted by Come Back Agency.

We build a wireless handheld ultrasound (POCUS) device that connects to iOS/Android via a mobile app. This is a real hardware + software product in the medical domain, where reliability, performance and clean engineering practices matter.

What you’ll do

• Design, implement and test embedded C++ (C++17+) software for a handheld device
• Deliver new features and continuously improve architecture and code quality
• Write unit tests for low-level/embedded parts (tests are treated as product code)
• Participate in design discussions and code reviews in a supportive team culture
• Collaborate with cross-functional stakeholders (Product, UX/usability, clinical experts) to turn requirements into implementable solutions
• Optimize performance and resource usage (CPU/memory/power, depending on the area)
   

What we’re looking for

• 3–5+ years of commercial experience with modern C++ in an embedded context
• Degree in Computer Science, Engineering, Mathematics, or a related STEM field
• Strong fundamentals in software design and building maintainable systems
• Practical experience with unit testing, including low-level code
• Comfortable working in an existing codebase and improving it over time
• English: Intermediate+
   

Nice to have (not required)

• Yocto / Embedded Linux, kernel driver development
• Microcontrollers, FreeRTOS / bare-metal
• Performance work: SIMD/NEON (OpenCL/CUDA depending on domain)
• Python/Matlab for prototyping; signal/image processing; basic electronics
• Docker/Podman, CI/CD experience
   

Team & process

• International teams: about 30 engineers (Norway) + 30–40 contractors. 
• Agile/Scrum with typical 3-week sprints
• Tooling: GitLab CI/CD, Jira/Confluence, HP ALM
   

Work setup

• Remote during wartime → office/hybrid later (Kyiv or Kharkiv)
• MacBook 

Let’s start with what PLANEKS offers:

0. Fast and comfortable hiring process.

1. 100% remote work opportunity and flexitime - choose working hours between 8:00-20:00 (Ability to work closely to EST time zone will be a big advantage).

2. Manage your compensation $$$$ budget - Travel tickets, Work equipment, Health insurance, Software, Sport, Training.

3. Salary paid in USD + tax compensation. Revision every 12 months. We want everyone to be confident in what tomorrow brings.

4. Everything to provide a good rest. YES: Paid vacation, national holidays, sick leaves(and support in case of serious diseases). NO: overtime, work on weekends.

5. Regular feedback, mentorship, code review. Friendly and professional team that supports you. Well, we're proud of how we handle that. So you can always count on us.

6. Speaking clubs with a native speaker to constantly maintain your English level.

7. No bureaucracy - transparent processes and flat management. Working remotely means keeping things as simple as possible to work efficiently.

We propose something more significant than a job. PLANEKS means developing a new lifestyle for our colleagues and clients. So take your part in it!

Requirements:

• 5+ years building production web applications with React and TypeScript.
• Strong product/UI sensibility - cares about spacing, visual hierarchy, typography, and interaction details.
• Experience with Next.js.
• Experience with advanced CSS.
• Comfortable building real interaction patterns: transitions, loading states, empty states, error states, skeleton screens.
• Can take a Figma comp and build it accurately, filling in gaps (missing states, responsive breakpoints) with good judgment rather than waiting for design to specify every pixel.
• Performance awareness - understands bundle size, rendering costs, lazy loading, when to optimize.
• MUI (Material UI) - theming, component composition, customization.
• TanStack Query or similar async state management.
• Formik or equivalent form library.
• Docker fundamentals and container-based workflows.
• CI/CD pipelines (GitHub Actions).

Responsibilities:

Day-to-day: Build and ship front-end features in React/Next.js/TypeScript. Translate Figma designs into polished, production-ready UI. Care about the visual details.

Ongoing: Build reusable components that become the team's shared vocabulary. Write front-end code that's clean enough to be the example others follow. Identify UI inconsistencies and fix them without being asked. Push work to a high standard before it reaches QA.

Over time: Establish front-end patterns and conventions that make the whole team's UI work more consistent. Contribute to a component library that accelerates future development. Help other devs level up their front-end skills through code reviews and well-structured code.

Nice to Have:

• Accessibility awareness - knows ARIA patterns, keyboard navigation, screen reader basics.
• Animation proficiency - understands easing, timing, and restraint.
• Backend comfort (Python/Django) - can read and modify backend code when needed, not just consume APIs.
• Experience with data-heavy SaaS: tables, filters, dashboards, complex statuses, collapsing dense data into good mobile UX.
• Experience building or contributing to a component library or design system.
• Ability to have a significant overlap with EST hours.

Vilmate is looking for a Business Development Manager to drive the company’s growth by identifying new business opportunities and building long-term client relationships.

Vilmate is an over 120-strong, close-knit, and highly professional software development team based out of Kharkiv and Kyiv. We have been engaged in delivering bespoke software to North American and Western European clients since 2012 and are equally experienced in web and mobile development.

We are looking for an experienced and results-driven Business Development Manager to drive strategic growth and expand our international client portfolio.

In this role, you will be responsible for identifying new business opportunities, building long-term partnerships, and closing deals with companies seeking high-quality software development services.

Responsibilities:

• Identify and develop new business opportunities in target markets (US, UK, EU, etc.).
• Build and maintain strong relationships with key decision-makers (CTOs, Heads of Engineering, Founders, etc.).
• Manage the full sales cycle: from prospecting and qualification to negotiation and deal closure.
• Identify, approach, and acquire new B2B clients.
• Analyze market trends, competitors, and pricing strategies.
• Prepare commercial proposals and negotiate contracts.
• Collaborate closely with marketing and delivery teams to align growth strategies.
• Represent the company at online/offline industry events when required.
• Track sales performance and maintain accurate CRM records.

Requirements:

• 3+ years of experience in Business Development or B2B Sales (preferably in IT outsourcing or software development).
• Proven track record of selling IT services or software solutions to the US and/or EU markets.
• Understanding of the Northern European business culture and sales cycle.
• Experience in outsourcing / outstaffing / custom software development sales.
• English level: Upper-Intermediate or higher (fluent communication required).
• Strong negotiation and communication skills.
• Ability to work independently and build processes from scratch.

Nice to Have:

• Experience working with US or Western European markets.
• Existing network within the tech industry.
• Experience selling team extension or dedicated team services.

We offer:

• Competitive salary and benefits package.
• Flexible working hours to maintain work-life balance.
• 20 working days of annual vacation + paid state holidays.
• Paid sick leave.
• Personal laptop with all necessary software.
• Support services: Corporate accountant, lawyer, and psychologist.
• Professional growth: 50% compensation for workshops and professional conferences.
• English classes (50% compensation).
• Transparent and bureaucracy-free management.

About Tie

Tie is building the next generation of identity resolution and marketing intelligence. Our platform connects hundreds of millions of consumers across devices, browsers, and channels—without relying on cookies—to power higher deliverability, smarter targeting, and measurable revenue lift for modern marketing teams.

At Tie, AI is not a feature—it is a core execution advantage. We operate large-scale identity graphs, real-time scoring systems, and production ML pipelines that directly impact revenue, deliverability, and customer growth.

The Role

We are looking for a Senior AI / Machine Learning Engineer to design, build, and deploy production ML systems that sit at the heart of our identity graph and scoring platform. You will work at the intersection of machine learning, graph data, and real-time systems, owning models end to end—from feature engineering and training through deployment, monitoring, and iteration.

This role is highly hands-on and impact-driven. You will help define Tie’s ML architecture, ship models that operate at sub-second latency, and partner closely with platform engineering to ensure our AI systems scale reliably.

What You’ll Do

• Design and deploy production-grade ML models for identity resolution, propensity scoring, deliverability, and personalization
• Build and maintain feature pipelines across batch and real-time systems (BigQuery, streaming events, graph-derived features)
• Develop and optimize classification models (e.g., XGBoost, logistic regression) with strong handling of class imbalance and noisy labels
• Integrate ML models directly with graph databases to support real-time inference and identity scoring
• Own model lifecycle concerns: evaluation, monitoring, drift detection, retraining, and performance reporting
• Partner with engineering to expose models via low-latency APIs and scalable services
• Contribute to GPU-accelerated and large-scale data processing efforts as we push graph computation from hours to minutes
• Help shape ML best practices, tooling, and standards across the team

What You’ll Bring

Required Qualifications

• 5+ years of experience building and deploying machine learning systems in production
• Strong proficiency in Python for ML, data processing, and model serving
• Hands-on experience with feature engineering, model training, and evaluation for real-world datasets
• Ability to travel outside of Ukraine is a must
• Experience deploying ML models via APIs or services (e.g., FastAPI, containers, Kubernetes)
• Solid understanding of data modeling, SQL, and analytical workflows
• Experience working in a cloud environment (GCP, AWS, or equivalent)
• Experience with graph data, graph databases, or graph-based ML

• Familiarity with Neo4j, Cypher, or graph algorithms (community detection, entity resolution)

  Preferred / Bonus Experience

• Experience with XGBoost, tree-based models, or similar classical ML approaches
• Exposure to real-time or streaming systems (Kafka, Pub/Sub, event-driven architectures)
• Experience with MLOps tooling and practices (CI/CD for ML, monitoring, retraining pipelines)
• GPU or large-scale data processing experience (e.g., RAPIDS, CUDA, Spark, or similar)
• Domain experience in identity resolution, marketing technology, or email deliverability

Our Technology Stack

• ML & Data: Python, Pandas, Scikit-learn, XGBoost
• Graphs: Neo4j (Enterprise, GDS)
• Cloud: Google Cloud Platform (BigQuery, Vertex AI, Cloud Run, Pub/Sub)
• Infrastructure: Docker, Kubernetes, GitHub Actions
• APIs: FastAPI, REST-based inference services

What We Offer

• Competitive compensation, including salary, equity, and performance incentives
• Opportunity to work on core AI systems that directly impact revenue and product differentiation
• High ownership and autonomy in a senior, hands-on role
• Remote-first culture with a strong engineering and data focus
• Exposure to cutting-edge problems in identity resolution, graph ML, and real-time AI systems

• Clear growth path toward Staff / Principal IC roles

  What else:

• 4 weeks of paid vacation per year (flexible scheduling)
• Unlimited sick leave — we trust your judgment and care about your health
• US Bank Holidays off (American calendar)
• Remote-first culture and flexible working hours
• Flat structure, no micromanagement, and full ownership

• Opportunity to make a real impact during a critical growth phase

  Interview Process

• Recruitment Screening Call
• Initial call with Head of Data Science & AI and CTO  (30 min) in English
• Technical deep dive Interview (1,5h)  in English

• Optional test-task (paid)

  Why Join Us?

• High-impact delivery leadership role during a critical period
• Real ownership and autonomy
• Opportunity to shape delivery across the entire engineering organization
• Exposure to SaaS, data, integrations, automation, and platform work
• Collaboration with global teams and vendors
• A strong product with real scale and momentum

Why This Role Matters

At Tie, your work will not live in notebooks or experiments—it will power production systems used by real customers at scale. You will help define how AI is embedded into the company’s core platform and play a key role in making machine learning a durable competitive advantage.