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CUJO AI

Senior Software Engineer, Device Intelligence

Turn raw network data into actionable intelligence to unlock new revenue, improve operations, and drive deeper user engagement for large-scale network operators.

engineeringhybridVilnius, LT
€5,000 - €6,000
full-time

Benefits:

  • Flexible Work

  • Team Gatherings

  • Career Growth

  • Performance Bonuses

  • Referral Rewards

Experience Requirements:

  • Mastery of core Java concepts and 5+ years of Java-based development experience

  • Experience with Spring and Hibernate

  • At least basic Python knowledge

  • Experience with databases: Aurora/RDS (Postgresql), DynamoDB

  • Knowledge of AWS Stack (EC2, ECS, S3, Lambda, etc.)

Other Requirements:

  • Experience with Terraform (IaaC)

  • Experience building CI/CD pipelines (Jenkins, GitHub Actions)

  • Experience with Docker and Git

  • Experience with Agile Methodologies

  • Fluency in English

Responsibilities:

  • Write clean, efficient, and maintainable code using best practices

  • Take ownership of work (You build it, you run it mentality)

  • Build and improve CI/CD pipelines

  • Implement observability and monitoring

  • Contribute to practices for scalable and secure backend pipelines

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CUJO AI

NOC Monitoring & Support Analyst (Fixed-term, Parental Leave)

Turn raw network data into actionable intelligence to unlock new revenue, improve operations, and drive deeper user engagement for large-scale network operators.

operationshybridVilnius, LT
€1,400 - €1,800
temporary

Benefits:

  • Flexible Work

  • Team Gatherings

  • Career Growth

  • Performance Bonuses

  • Referral Rewards

Experience Requirements:

  • Practical IT knowledge (networking, cybersecurity, system monitoring or customer service)

  • Good incident response sense and ability to act with urgency

  • Fluency in English (spoken and written)

  • Good communication and initiative skills

  • Strong attention to detail

Other Requirements:

  • Ability to multitask and adapt to changes

  • Customer-focused mindset

  • Rotating shift schedule covering days, evenings, and nights

Responsibilities:

  • Monitor IT services and systems

  • Provide first-line customer support for B2B clients

  • Create and manage support tickets

  • Perform basic database checks

  • Document and pass on relevant information to the next shift

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Sintra AI

Senior Full-Stack Engineer

Automate business operations with a 24/7 digital team of AI employees specialized in SEO, social media, sales, and support to scale without adding headcount.

engineeringhybridVilnius, LT
€5,000/month gross - €8,000/month gross
full-time

Benefits:

  • Equity package

  • Flexible working model

  • Private health insurance

  • Workout sessions with a personal trainer

  • Daily office-provided lunch

Experience Requirements:

  • 4+ years shipping production full-stack applications

  • Strong Python, Node.js, and React skills with focus on clean architecture

  • Experience with LLM tool calling, function definitions, and prompt engineering

  • Solid product thinking regarding technical decisions and user experience

  • Comfortable navigating large codebases and understanding service boundaries

Other Requirements:

  • Track record of shipping independently while collaborating well

  • Strong code review skills

  • Comfortable using AI tools to accelerate development

Responsibilities:

  • Create tools/functions that LLMs can reliably call

  • Implement the UI for these tools working with designers

  • Build retry logic, fallbacks, and self-correction mechanisms

  • Instrument everything with tracking and logging

  • Develop background workflows that chain multiple operations

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Sintra AI

Senior Product Manager

Automate business operations with a 24/7 digital team of AI employees specialized in SEO, social media, sales, and support to scale without adding headcount.

producthybridVilnius, LT
€6,000/month gross - €9,000/month gross
full-time

Benefits:

  • Equity package

  • Flexible working model

  • Private health insurance

  • Workout sessions with a personal trainer

  • Daily office-provided lunch

Experience Requirements:

  • Experience in product or technical leadership

  • Hands-on product development experience (design, engineering, or building)

  • Technical understanding and ability to collaborate with engineering teams

  • Data fluency to find insights and prioritize based on evidence

Other Requirements:

  • Coding experience is a plus

  • Collaborate with OpenAI and Anthropic applied engineering teams

Responsibilities:

  • Own Brain AI end-to-end (roadmap, team, execution, outcomes)

  • Lead a team of engineers and designers

  • Ship weekly and iterate fast

  • Get involved with the product hands-on (write prompts, wireframes)

  • Scope ruthlessly and validate with users and metrics

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Sintra AI

Motion Graphics Designer

Automate business operations with a 24/7 digital team of AI employees specialized in SEO, social media, sales, and support to scale without adding headcount.

designhybridVilnius, LT
€3,500/month gross - €5,000/month gross
full-time

Benefits:

  • Equity package

  • Flexible working model

  • Private health insurance

  • Workout sessions with a personal trainer

  • Daily office-provided lunch

Experience Requirements:

  • Strong foundation in animation principles (timing, easing, etc.)

  • Solid experience working independently in Adobe After Effects

  • Experience translating static designs into polished motion

  • Product-focused mindset with experience in demo and product visuals

  • Understanding of how motion and video support the funnel

Other Requirements:

  • Ability to refine motion workflows and best practices across the creative team

Responsibilities:

  • Create motion graphics, product visuals, and demo videos

  • Animate static assets into motion sequences (UI flows, explainer animations)

  • Collaborate with designers, marketers, and product teams

  • Translate briefs into engaging motion concepts

  • Maintain consistency across motion styles and platforms

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Sintra AI

Media Buyer (Google Ads)

Automate business operations with a 24/7 digital team of AI employees specialized in SEO, social media, sales, and support to scale without adding headcount.

marketinghybridVilnius, LT
€3,000/month gross - €5,000/month gross
full-time

Benefits:

  • Equity package

  • Flexible working model

  • Private health insurance

  • Workout sessions with a personal trainer

  • Daily office-provided lunch

Experience Requirements:

  • 2+ years hands-on Google Ads experience in high-spend environments

  • Proven success scaling budgets €30K/day plus

  • Strong understanding of attribution & performance metrics (ROAS, CPA, LTV)

  • Data-driven, analytical, and highly autonomous

Other Requirements:

  • Experience with Meta Ads or other platforms is a plus

Responsibilities:

  • Launch, optimize, and scale Google Ads campaigns

  • Spot growth opportunities through data, testing, and experimentation

  • Own testing across keywords, bidding, audiences, creatives & landing pages

  • Work closely with creative & CRO teams to build winning ad assets

  • Track performance via dashboards and clearly communicate insights

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Sintra AI

Lead Media Buyer

Automate business operations with a 24/7 digital team of AI employees specialized in SEO, social media, sales, and support to scale without adding headcount.

marketinghybridVilnius, LT
€4,000/month gross - €6,000/month gross
full-time

Benefits:

  • Equity package

  • Flexible working model

  • Private health insurance

  • Workout sessions with a personal trainer

  • Daily office-provided lunch

Experience Requirements:

  • 3+ years of experience in performance media buying

  • Proven track record of scaling paid social campaigns

  • Strong judgment around budget allocation and prioritization

  • Deep understanding of creative-driven performance in paid social

  • Comfortable operating with high autonomy and accountability

Other Requirements:

  • Clear communicator with a builder mindset

  • Google Ads experience is a plus

Responsibilities:

  • Own paid social strategy and execution, primarily on Meta

  • Manage and allocate budgets across channels to maximize impact

  • Decide when to scale, pause, or reallocate spend

  • Unlock and manage scale for campaigns

  • Partner with creative to form hypotheses and test new angles

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Sintra AI

Influencer & Affiliates Partnership Manager

Automate business operations with a 24/7 digital team of AI employees specialized in SEO, social media, sales, and support to scale without adding headcount.

marketinghybridVilnius, LT
€2,000/month gross - €4,000/month gross
full-time

Benefits:

  • Equity package

  • Flexible working model

  • Private health insurance

  • Workout sessions with a personal trainer

  • Daily office-provided lunch

Experience Requirements:

  • 2–5+ years in influencer, affiliate marketing or partnerships strategy

  • Proven ability to identify creators and run campaigns driving ROI

  • Strong negotiation and relationship management skills

  • Analytical mindset to track, optimize, and report results

  • Fluent in English

Other Requirements:

  • Hands-on self-starter comfortable building processes from scratch

  • Visionary able to define strategy and execute it

Responsibilities:

  • Own and execute the global influencer and affiliate strategy

  • Identify, vet, and onboard creators and high-quality affiliate partners

  • Negotiate contracts, commission structures, and partnership terms

  • Track, analyze, and report on performance iterating for revenue

  • Collaborate with creative and performance teams for paid ads

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Sintra AI

Creative Strategist

Automate business operations with a 24/7 digital team of AI employees specialized in SEO, social media, sales, and support to scale without adding headcount.

marketinghybridVilnius, LT
€4,500/month gross - €6,000/month gross
full-time

Benefits:

  • Equity package

  • Flexible working model

  • Private health insurance

  • Workout sessions with a personal trainer

  • Daily office-provided lunch

Experience Requirements:

  • 3–5+ years in creative strategy, performance marketing, or paid social roles

  • Proven record of driving performance through creative direction

  • Strong analytical mindset regarding CTR, CVR, CPA, and ROAS

  • Skilled in briefing and collaborating with copywriters, designers, and editors

  • Strong hands-on copywriting ability

Other Requirements:

  • Deep understanding of what makes ads convert (hooks, emotions, storytelling)

  • Highly organized with ability to bring structure to creative process

  • Bonus: Experience building creative systems or managing a creative team

Responsibilities:

  • Organize and manage the entire creative process

  • Brief copywriters, video editors, designers, and UGC creators

  • Sign off on final creatives and deliver approved assets to ad buyers

  • Run structured creative testing frameworks

  • Analyze creative performance metrics and provide clear direction

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Sintra AI

LLM Ops & Evaluations

Automate business operations with a 24/7 digital team of AI employees specialized in SEO, social media, sales, and support to scale without adding headcount.

engineeringhybridVilnius, LT
€5,000/month gross - €8,000/month gross
full-time

Benefits:

  • Equity package

  • Flexible working model

  • Private health insurance

  • Workout sessions with a personal trainer

  • Daily office-provided lunch

Experience Requirements:

  • 2+ years hands-on with LLMs in production

  • Has built evaluation systems, not just written prompts

  • Strong technical skill set

  • Systems thinker

  • Clear communicator

Other Requirements:

  • Experience defining how AI quality works at scale

Responsibilities:

  • Own end-to-end quality of all AI outputs across the app

  • Design and build our evaluation framework (automated tests, loops, scoring)

  • Create, version, and optimize prompts for every use case

  • Build and maintain test datasets that catch regressions

  • Hire and lead a team of prompt engineers and eval specialists

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Sintra AI

Senior Data Analyst

Automate business operations with a 24/7 digital team of AI employees specialized in SEO, social media, sales, and support to scale without adding headcount.

sciencehybridVilnius, LT
€3,000/month gross - €6,000/month gross
full-time

Benefits:

  • Equity package

  • Flexible working model

  • Private health insurance

  • Workout sessions with a personal trainer

  • Daily office-provided lunch

Education Requirements:

  • Bachelor's degree in Statistics, Mathematics, Computer Science, Economics, or related field

Experience Requirements:

  • 4+ years of experience as a Data Analyst or in a similar analytical role

  • Proficiency in SQL for data extraction and manipulation, dbt

  • Strong experience with data visualization tools (e.g., Lightdash, Tableau, Power BI, Looker)

  • Solid understanding of statistical analysis and experimental design

  • Experience with scripting languages (e.g., Python, R) for data analysis

Other Requirements:

  • Excellent analytical, problem-solving, and critical thinking skills

  • Ability to translate complex data insights into business recommendations

  • Bonus: Master's degree, cloud platform experience (GCP, AWS), knowledge of machine learning

Responsibilities:

  • Collect, clean, and process large datasets from various sources

  • Perform data analysis to identify trends, patterns, and anomalies

  • Develop and maintain ETL pipelines, dashboards and reports

  • Design and execute A/B tests

  • Collaborate with product, engineering and marketing

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Sintra AI

Customer Support Specialist (Daily Shift)

Automate business operations with a 24/7 digital team of AI employees specialized in SEO, social media, sales, and support to scale without adding headcount.

operationshybridVilnius, LT
€1,700/month gross - €2,300/month gross
full-time

Benefits:

  • Equity package

  • Flexible working model

  • Private health insurance

  • Workout sessions with a personal trainer

  • Daily office-provided lunch

Experience Requirements:

  • At least 1 year of experience in customer service

  • Ideally in B2B SaaS or consumer products

  • Proficiency in English at a professional level

Other Requirements:

  • Ability to work daily shifts (09:00 AM to 17:00 PM) on a shift-based schedule

  • Experience in building automations and workflows would be an advantage

  • High energy, proactive mindset, and a readiness to assist

Responsibilities:

  • Handle customer inquiries across support channels

  • Resolve issues quickly and accurately

  • Contribute to a seamless overall customer journey

  • Build and maintain support automations

  • Collaborate closely with the development team

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Salesforge

Golang Engineer

Generate more sales meetings with unlimited multi-channel outreach, featuring automated LinkedIn senders, email deliverability tools, and an autonomous AI SDR.

engineeringonsiteVilnius, LTfull-time

Benefits:

  • No corporate BS

  • Good vibes

  • Work on cutting-edge AI

Experience Requirements:

  • 3+ years of backend engineering experience

  • Go experience is a plus

Other Requirements:

  • Strong system design and architecture skills

  • Experience with message-driven architectures (SQS, RabbitMQ, Kafka)

  • Experience with relational and document-based databases

  • Solid understanding of type safety

  • English: B2 (Upper-Intermediate) or higher

Responsibilities:

  • Designing and building high-performance, scalable backend services & APIs

  • Architecting robust systems that power AI-driven personalization at scale

  • Implementing and optimizing message-driven architectures

  • Working with both relational and document-based databases

  • Collaborating closely with product, frontend, and AI teams to ship impactful features

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TripAdd

QA Engineer

Boost travel revenue by offering personalized ancillary products like lounges and eSIMs through a single AI-powered integration designed for travel companies.

engineeringhybridVilnius, LT
€2,000 - €4,000
full-time

Benefits:

  • €2,000–4,000 gross salary

  • Remote work option

  • Ability to grow with a dynamic startup

  • Freedom to experiment with your ideas

Experience Requirements:

  • 1-3 years of experience in a quality assurance role

Other Requirements:

  • Familiarity with API development and AI technologies

  • Attention to detail for identifying defects

  • Strong analytical and problem-solving abilities

  • Effective English communication and collaboration skills

  • Proficiency in testing tools like JIRA, GitHub, Confluence, and Slack

Responsibilities:

  • Ensure the highest quality and reliability of travel technology products

  • Conduct comprehensive manual testing to resolve issues

  • Assess and validate API improvements with the development team

  • Verify the integration of third-party vendors

  • Create and maintain product and API documentation

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TripAdd

Customer Support Manager

Boost travel revenue by offering personalized ancillary products like lounges and eSIMs through a single AI-powered integration designed for travel companies.

operationshybridVilnius, LT
€2,000 - €3,000
contract

Benefits:

  • €2,000–3,000 gross salary

  • Remote work option

  • Ability to grow with a dynamic startup

  • Freedom to experiment with your ideas

Experience Requirements:

  • 1-2 years of experience in customer support management or a related role

Other Requirements:

  • Excellent communication skills in English (both written and verbal)

  • Ability to troubleshoot and resolve complex issues

  • Familiarity with platforms like JIRA, Zendesk, Slack, Intercom

  • Strong organizational skills and attention to detail

  • Prior experience in travel technology or SaaS is a plus

Responsibilities:

  • Provide top-tier customer support by email and phone

  • Lead, mentor, and develop a customer support team

  • Collaborate with vendors and internal teams to resolve issues

  • Review and analyze support metrics to increase satisfaction

  • Establish and refine customer support processes

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TripAdd

Senior Full Stack Engineer (React/node.js)

Boost travel revenue by offering personalized ancillary products like lounges and eSIMs through a single AI-powered integration designed for travel companies.

engineeringhybridVilnius, LT
€4,000 - €7,000
contract

Benefits:

  • €4,000–7,000 gross salary

  • Remote work option

  • Ability to grow with a dynamic startup

  • Freedom to experiment with your ideas

Experience Requirements:

  • At least 4 years of experience developing with TypeScript on React and node.js

Other Requirements:

  • Experience with next.js framework and Prisma ORM

  • Experience in REST API development

  • Deep understanding of distributed applications

  • Advanced knowledge of SQL databases (preferably PostgreSQL)

  • Experience using UI frameworks like Chakra UI, Material UI, or similar

  • Experience with containers, Kubernetes, and AWS ecosystem

Responsibilities:

  • Build the best AI-powered digital products and experience in the travel industry

  • Design, develop, and maintain high-quality, scalable, and reliable solutions

  • Integrate 3rd-party data providers

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nexos.ai

Technical Product Owner | Senior | Gateway

nexos.ai is an all-in-one AI platform for enterprises, enabling secure, organization-wide AI adoption, policy setting, and oversight for tech leaders.

producthybridVilnius, LT
5700 EUR/month - 6700 EUR/month
full-time

Benefits:

  • Professional growth. Internal and external events, online training, conferences, books - everything you need to reach full potential.

  • Health benefits. Private health insurance, online and on-site workouts, consultations to feel and be your best.

  • Team spirit. Team buildings and parties with games, shows, tastings, food coupons, gifts, and it’s on us.

  • More free time. Stay with us and additional vacation days will be added to your calendar.

  • Additional paid leave. Additional days are covered by us in cases of illness or special occasions.

Experience Requirements:

  • At least 5 years of experience working as a Technical Product Manager or Product Owner

  • Experience building AI-driven products

  • Product development expertise and hands-on experience in product feature analysis, ideally in Enterprise B2B SaaS

Other Requirements:

  • You will work on building a technical product, thus strong technical background or a deep understanding of AI concepts

  • Ability to understand highly technical & AI topics, and communicate them to both technical and non-technical audiences

  • Sense of ownership and accountability, capable of planning your work effectively

  • Get Things Done attitude, mixed with a creative approach when needed.

Responsibilities:

  • Own the product lifecycle from conception to release and beyond. From ideation & discovery to creating actionable and complete user stories, monitoring and reacting to the impact on the company’s goals

  • Stay on top of AI trends - understand how LLMs, agentic systems, RAGs and similar AI solutions are evolving. Analyze market trends and translate insights into product improvements

  • Look out for our product’s competitive advantages and be vocal about possible “big bets”

  • Gather customer & stakeholder needs to form product requirements

  • Engage closely with the engineering team to determine the best technical implementation methods, as well as prioritise feature development

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