Star

We are looking for an AI Engineer (Research & Development). As an AI Engineer, you will join the R&D team working on AI products and help scale the AI offering through marketing activity.

Skills and experience you can bring to this role!

Qualifications & experience:

• You are particularly interested in emerging AI tech, LLMs, and generative AI. You follow the news, new developments, and academic research. You are excited about its potential impact on product development in the upcoming years;
• You are interested in going beyond the technical side. You could work as a consultant, demonstrate an understanding of business and product aspects, and generate product ideas;
• You understand and can explain how business value could be generated out of the use of AI technologies;
• You have built ML/AI powered solutions and used available services & tools and/or built bespoke ML models/solutions;
• You've investigated the practical application of generative AI/LLMs through pet projects and PoCs, exploring ready-to-go products, and you can demonstrate or discuss the output;
• You have experience in LLMs/SLMs assessment, selection, and fine-tuning for the specific use case;
• You enjoy writing code, preferably in Python and have 3+ years of experience in commercial development;
• You know what prompt engineering, vector databases, embeddings, multi-stage reasoning, RAG, and MLOps are, and you have had a practical (could be non-commercial) experience with some of the listed things;
• You enjoy communication and can talk to both technical and non-technical stakeholders.

Nice to have: 

• You have previous experience in data engineering;
• You are active in the growing AI community, attend webinars, events, and meetups, or are interested in becoming active;
• You have some front-end experience building simple UIs to demonstrate solutions end-to-end or are open to gaining such;
• You are interested in developing a personal brand through participation in content creation in collaboration with marketing & AI Lab.

What impact you’ll make

• Participate in research and development activities by working on Star's internal AI products;
• Create proof of concepts for our clients and prospects, focusing on applying AI technologies;
• Monitor and research changes in the AI developer ecosystem and approaches and apply them in practice to develop Star's AI capabilities;
• Participate in client calls during late sales cycle stages, present technical expertise, and help build solutions; 
• Act as a subject matter expert on AI to assist with Star's marketing and branding efforts.

We are looking for you!

We are seeking a Data Solutions Architect with deep expertise in data platform design, AdTech systems integration, and data pipeline development for the advertising and media industry. This role requires strong technical knowledge in both real-time and batch data processing, with hands-on experience in building scalable, high-performance data architectures across demand-side and sell-side platforms. 

As a client-facing technical expert, you will play a key role in project delivery, presales process, technical workshops, and project kick-offs, ensuring that our clients receive best-in-class solutions tailored to their business needs. 

Contract type: Gig contract.

Skills and experience you can bring to this role

Qualifications & experience:

• 5+ years of experience in designing and implementing data architectures and pipelines for media and advertising industries  that align with business goals, ensure scalability, security, and performance;
• Hands-on expertise with cloud-native and enterprise data platforms, including Snowflake, Databricks, and cloud-native warehousing solutions like AWS Redshift, Azure Synapse, or Google BigQuery;
• Proficiency in Python, Scala, or Java for building data pipelines and ETL workflows;
• Hands-on experience with data engineering tools and frameworks such as Apache Kafka, Apache Spark, Airflow, dbt, or Flink. Batch and stream processing architecture;
• Experience working with and good understanding of relational and non-relational databases (SQL, NoSQL(document-oriented, key-value, columnar stores, etc.);
• Experience in data modelling: Ability to create conceptual, logical, and physical data models;
• Experience designing solutions for one or more cloud providers (AWS, GCP, Azure) and their data engineering services;
• Experience in client-facing technical roles, including presales, workshops, and solutioning discussions;
• Strong ability to communicate complex technical concepts to both technical and non-technical stakeholders. 

Nice to have:

• Experience working with AI and machine learning teams, integration of ML models into enterprise data pipelines: model fine-tuning, RAG, MLOps, LLMOps;
• Knowledge of privacy-first architectures and data compliance standards in advertising (e.g., GDPR, CCPA);
• Knowledge of data integration tools such as Apache Airflow, Talend, Informatica, and MuleSoft for connecting disparate systems;
• Exposure to real-time bidding (RTB) systems and audience segmentation strategies.

What impact you’ll make 

• Architect and implement end-to-end data solutions for advertising and media clients, integrating with DSPs, SSPs, DMPs, CDPs, and other AdTech systems;
• Design and optimize data platforms, ensuring efficient data ingestion, transformation, and storage for both batch and real-time processing;
• Build scalable, secure, and high-performance data pipelines that handle large-scale structured and unstructured data from multiple sources;
• Work closely with client stakeholders to define technical requirements, guide solution designs, and align data strategies with business goals;
• Lead technical discovery sessions, workshops, and presales engagements, acting as a trusted technical advisor to clients;
• Ensure data governance, security, and compliance best practices are implemented within the data architecture;
• Collaborate with data science and machine learning teams, designing data pipelines that support model training, feature engineering, and analytics workflows.

We are looking for you!

As we architect the next wave of data solutions in the AdTech and MarTech sectors, we're looking for a Senior Data Engineer—a maestro in data architecture and pipeline design. If you're a seasoned expert eager to lead, innovate, and craft state-of-the-art data solutions, we're keen to embark on this journey with you.

Contract type: Gig contract.

Skills and experience you can bring to this role

Qualifications & experience:

• 6+ years of intensive experience as a Data Engineer or in a similar role, with a demonstrable track record of leading large-scale projects;
• Mastery in Python, SQL;
• Deep understanding and practical experience with cloud data warehouses (Snowflake, BigQuery, Redshift);
• Extensive experience building data and ML pipelines;
• Experience with modern Scrum-based Software Development Life Cycle (SDLC);
• Deep understanding of Git and its workflows;
• Open to collaborating with data scientists and businesses.

Nice to have:

• Hands-on experience with Dagster, dbt, Snowflake and FastAPI;
• Proven expertise in designing and optimizing large-scale data pipelines;
• Comprehensive understanding of data governance principles and data quality management practices;
• Understand marketing and media metrics (i.e., what conversion rate is and how it is calculated);
• Exceptional leadership, communication, and collaboration skills, with a knack for guiding and nurturing teams.
   

Educational requirements:

• Bachelor’s degree in Computer Science, Information Systems, or a related discipline is preferred. A Master's degree or higher is a distinct advantage.

What impact you’ll make 

• Lead the design, development, testing, and maintenance of scalable data architectures, ensuring they align with business and technical objectives;
• Spearhead the creation of sophisticated data pipelines using Python, leveraging advanced Snowflake capabilities such as Data Shares, Snowpipe, Snowpark, and more;
• Collaborate intensively with data scientists, product teams, and other stakeholders to define and fulfill intricate data requirements for cross-channel budget optimization solutions;
• Drive initiatives for new data collection, refining existing data sources, and ensuring the highest standards of data accuracy and reliability;
• Set the gold standard for data quality, introducing cutting-edge tools and frameworks to detect and address data inconsistencies and inaccuracies; 
• Identify, design, and implement process improvements, focusing on data delivery optimization, automation of manual processes, and infrastructure enhancements for scalability.

What you’ll get 

Regardless of your position or role, we have a wide array of benefits in place, including flexible working (hybrid/remote models) and generous time off policies (unlimited vacations, sick and parental leaves) to make it easier for all people to thrive and succeed at Star. On top of that, we offer an extensive reward and compensation package, intellectually and creatively stimulating space, health insurance and unique travel opportunities.

Your holistic well-being is central at Star. You'll join a warm and vibrant multinational environment filled with impactful projects, career development opportunities, mentorship and training programs, fun sports activities, workshops, networking and outdoor meet-ups.

We are looking for you! 

As we continue to shape the future of AdTech and MarTech with groundbreaking web applications, we're seeking a strong Senior React Engineer to join our team. If you're a seasoned professional with a passion for pushing the boundaries of React technologies and crafting impeccable web interfaces, we want you on our team.

Skills and experience you can bring to this role! 

Qualifications & experience:

• 5+ years of experience as a Front-End Engineer;
• Proficiency in JavaScript programming and React.js framework;
• Proficiency in React Hooks;
• Experience with Typescript/Next.js/Tailwind/TanStack Query/TanStack Table/Radix-UI;
• Familiarity with React Testing Library/Jest/Storybook is a plus;
• Understanding of app and browser performance;
• Upper-intermediate level of spoken and written English;
• Understanding of CI concepts;
• People-oriented and a team player;
• Excellent written and verbal communication skills with customers; and
• Familiarity with node.js or any other back-end language is a plus.

What impact you will make

• Develop new functionality to support existing web applications with reasonable coverage by unit/integration tests;
• Participate in code review sessions;
• Use personal judgment to determine the optimal solution to recommend;
• General interaction with peers and/or management;
• The ability to explain technical information effectively through both written and verbal communication;
• Determining and following the methods and procedures on new assignments with minimal guidance; and
• Actively participate in daily standups, project breakdown, estimation and retrospective meetings.

What you’ll get

Regardless of your position or role, we have in place a wide array of benefits, including flexible working (hybrid/remote models) and generous time off policies (unlimited vacations, sick and parental leaves) to make it easier for all people to thrive and succeed at Star. On top of that, we offer an extensive reward and compensation package, intellectually and creatively stimulating space, health insurance and unique travel opportunities.

Your holistic well-being is central at Star. You'll join a warm and vibrant multinational environment filled with impactful projects, career development opportunities, mentorship and training programs, fun sports activities, workshops, networking and outdoor meet-ups.

We are looking for you! 

Star is looking for a Finance Operations Specialist to join the Finance Team.

Star is a global consultancy that connects strategy, design and engineering services to help companies accelerate product innovation. With over a decade of average 25% annual growth, we’re rapidly expanding our consulting services, geographic footprint and industry expertise. We’re on the cusp of further growth as we become a household name in consulting. Star works for businesses in a variety of industries, including Automotive & Mobility, HealthTech, FinTech and AdTech. At Star, we connect strategy, insights, design and engineering into a seamless workflow devised to support our clients every step of the way - no matter how long or complex their journey. We anchor everything we do in clear and compelling endgames, enabling our multidisciplinary teams to create superior solutions and impressive commercial returns for our clients.
 

Contract type: Gig contract.

Skills and experience you can bring to this role! 

Qualifications & experience:

• Higher education with finance or audit specialization;
• 2-5 years of working experience in corporate finance, billing, or audits;
• Experienced user of MS Excel (pivots, macros, working with large database files);
• Experience in an IT service company is an advantage;
• Intermediate level of English; 
• Knowledge of Microsoft Navision Dynamics or other internationally used ERP systems is an advantage;
• Analytical mindset;
• Accuracy, attentiveness to details and diligence;
• Results-oriented person with a high level of self-discipline;
• Ability to meet tight deadlines; and
• Good communication skills and strong team player.

What impact you will make

• Communication with outsourced foreign accounting and payroll providers and coordinate preparation of the financial information
• Preparation of company managerial reports, communication with report recipients (providing additional details. explanations, etc.);
• Preparing financial forecasts and participating in preparing the annual and semi-annual planning;
• Participation in the monthly billing and invoicing for services (billing sheets, expense reports, revenue forecasts, communication with project managers, compliance with service contracts/terms agreed with customers, issuing and distributing invoices, communication with foreign customers, etc.);
• Cooperation directly with the finance team based in Ukraine and the US, communication with other department’s stakeholders;
• Other reporting tasks as per the department's needs.

What you’ll get

Regardless of your position or role, we have in place a wide array of benefits, including flexible working (hybrid/remote models) and generous time off policies (unlimited vacations, sick and parental leaves) to make it easier for all people to thrive and succeed at Star. On top of that, we offer an extensive reward and compensation package, intellectually and creatively stimulating space, health insurance and unique travel opportunities.

Your holistic well-being is central at Star. You'll join a warm and vibrant multinational environment filled with impactful projects, career development opportunities, mentorship and training programs, fun sports activities, workshops, networking and outdoor meet-ups.
 

We are looking for you! 

We’re looking for a senior marketing operations manager who will own our marketing tech stack, data, and processes end to end. In this role, you’ll be the bridge between marketing, RevOps, and sales – making sure our tools, workflows, and reporting translate into real pipeline impact, not just activity.

You’ll combine hands-on system expertise (HubSpot, Salesforce, automation tools) with a strategic mindset to design scalable processes, enable our teams, and continuously optimize performance across awareness, engagement, and revenue.

Skills and experience you can bring to this role!

Ownership mindset. You take full accountability for outcomes — from identifying opportunities to driving measurable business impact. You’re comfortable making decisions and ensuring alignment across teams.

Business strategist. You understand how operational excellence fuels growth. Every initiative you lead connects back to tangible business value and performance metrics.

Proactive self-starter. You spot improvement areas early, propose low-lift solutions, and communicate clearly with all stakeholders to keep everyone on track.

Adoption advocate. You know that success isn’t just about process — it’s about people. You design and drive effective enablement strategies to ensure new tools and workflows are embraced across the organization.

Qualifications and experience

Must have:

• 5+ years of proven track record in marketing operations or marketing technology roles.
• Hands-on experience with using and managing marketing automation platforms (Hubspot (preferred), Marketo, Pardot, etc)
• Strong aptitude in process optimization, workflow automation, APIs and tracking implementations.
• Demonstrable experience building dashboards, analyzing performance metrics, and providing strategic insights.
• Proven track record of being a Salesforce power user to ensure seamless data alignment across systems.
• Exceptional communication, documentation, and organizational skills with attention to detail and consistency.
• Dedication to increasing knowledge of Marketing Operations best practices and new tools.
• Self-starter, with a growth mindset and an ability to thrive in ambiguity and a fast-paced environment.
• Proficiency in English.

Nice-to-have:

• Technical fluency with data and automation tools such as DataGroomr, Zapier, Zoom Events, Clearout, and CookieYes to maintain automation, data integrity, and compliance.
• Familiarity with business intelligence and reporting tools such as Power BI or Tableau to enhance data-driven decision-making.
• Experience with intent data platforms like 6sense or Demandbase, as well as website deanonymization tools such as RB2B.
• Passion for AI and automation, using technology to improve personalization, accelerate campaign launches, and optimize marketing performance.

What impact you’ll make

Marketing technology and toolstack:

• Own and evolve the marketing tech stack (CRM, marketing automation, data enrichment, analytics) to support business goals through efficient, data-driven, and scalable operations.
• Maintain integrations between channels (eg website, email, social, event tools, etc) to ensure seamless data flow and tracking.
• Ensure compliance with local regulations, data integrity and governance.
• Train marketing team members on tools usage and ensure the technology is being used to its full potential.
• Evaluate and recommend new tools and technologies that improve efficiency, visibility, and marketing impact.

Process design and optimization:

• Build, document, and optimize marketing processes (campaign workflow, lead management, nurturing, scheduling, campaign reviews) proactively spotting issues and suggesting improvements.
• Collaborate with RevOps to align on account and lead scoring, routing, attribution, and pipeline influence.
• Create and maintain playbooks for recurring marketing activities.

Campaign execution support:

• Support the marketing team with the setup of campaigns, landing page templates, nurture sequences, etc to accelerate production times and streamline campaign launches.
• Maintain clean, verified contact databases to enhance deliverability, reduce bounce rates, and improve sender reputation.
• Monitor campaign performance, analyze key metrics, and provide actionable insights for continuous optimization.
• Enforce campaign management best practice: tagging, tracking parameters, UTMs, conversion mapping.

Data, analytics and reporting:

• Design and maintain KPI dashboards, regular reports, and data visualizations to track performance, ROI, and insights across all marketing activities.
• Maintain clean, accurate CRM data with automated deduplication, enrichment, and precise tagging for targeting and reporting.
• Manage GDPR- and CCPA-compliant cookie consent frameworks that balance user privacy with a seamless digital experience.
• Provide actionable insights to influence strategy, budget allocations, and channel mix.
• Stay updated with industry trends, marketing operations standards, and new technologies, proactively suggesting improvements.

What you’ll get

Regardless of your position or role, we have in place a wide array of benefits, including flexible working (hybrid/remote models) and generous time off policies (unlimited vacations, sick and parental leaves) to make it easier for all people to thrive and succeed at Star. On top of that, we offer an extensive reward and compensation package, intellectually and creatively stimulating space, health insurance and unique travel opportunities.

Your holistic well-being is central at Star. You'll join a warm and vibrant multinational environment filled with impactful projects, career development opportunities, mentorship and training programs, fun sports activities, workshops, networking and outdoor meet-ups.

We are looking for you! 

Our customer is a global marketing company that produces advertising and other marketing communications for clients across all forms of media and languages. Their production expertise, powerful workflow and asset management technology deliver quality, control and savings for global brands.

Skills and experience you can bring to this role! 

Qualifications & experience:

• 5+ years of experience as Node.js Engineer;
• Experience with AWS (especially AWS Lambda);
• Experience with NoSQL (Amazon DynamoDB) or RDBMS (Amazon Aurora PostgresSQL);
• Experience with writing unit tests for Typescript code (Jest);
• Active use of AI tools for development, demonstrating experience integrating tools like Windsurf into the daily coding workflow to increase efficiency and maintain consistency, would be a plus;
• Understanding of continuous integration and continuous delivery; 
• Upper/intermediate spoken and written English;
• Knowledge of modern JS frameworks (React) will be a major plus.

What impact you will make

• Develop new functionality to support existing web applications with reasonable coverage by unit/integration tests;
• Participate in code review sessions;
• Use personal judgment to determine the optimal solution to recommend;
• General interaction with peers and/or management and the ability to communicate technical information effectively, both written and verbally;
• Determine and follow the methods and procedures on new assignments with minimal guidance; 
• Proactively take ownership, demonstrating the ability to work autonomously in a fast-paced, startup-like environment.