Ai Engineer At Viktor Warsaw jobs in Warsaw – Browse 1,495 openings on RoboApply Jobs

Ai Engineer At Viktor Warsaw jobs in Warsaw

Open roles matching “Ai Engineer At Viktor Warsaw” with location signals for Warsaw. 1,495 active listings on RoboApply Jobs.

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Viktor logo
Full-time|On-site|Warsaw

Join Viktor, the innovative AI coworker seamlessly integrated into Slack and Microsoft Teams. Our platform connects with thousands of tools, revolutionizing the way companies in finance, marketing, operations, and engineering work. We are crafting a solution that consolidates countless SaaS applications into one efficient teammate.As part of a compact yet im…

Apr 29, 2026
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Viktor logo
Full-time|On-site|Warsaw

Viktor is your AI-powered coworker, seamlessly integrating with Slack and Microsoft Teams to connect with thousands of tools, delivering real solutions for diverse sectors including finance, marketing, operations, and engineering. Our mission is to consolidate the SaaS landscape, providing companies with an efficient, singular teammate.Our team may be small, but the impact we aim for is immense.The RolePicture this: a team member in Slack requests Viktor to reconcile their Stripe payouts against their financial records. In less than a minute, Viktor completes the task. This success results in new customers joining our platform. Your mission will be to enhance Viktor's capabilities, increasing reliability and expanding our customer base. You'll be a pioneer, creating a platform that others will aspire to replicate.In Warsaw, our product, growth, and engineering teams collaborate closely. You'll work alongside individuals who interact with customers daily, partner directly with the founders, take ownership of significant product areas, and see your code in production on the very same day you write it.What You'll DoDevelop the agent runtime. Create a sandboxed execution environment, orchestrate tools, and manage memory. This is the core of Viktor that translates Slack commands into actionable items through real APIs.Implement integrations. We connect with thousands of tools like Salesforce, Notion, Stripe, QuickBooks, HubSpot, Shopify, and more, based on customer requests. You'll handle OAuth, webhooks, schema mapping, and error management, unlocking new customer opportunities with each integration.Manage infrastructure. With over 600,000 tool calls daily, ensure Viktor remains fast and cost-effective through container orchestration, autoscaling, and task management.Deliver product features. Features will go live directly to users via Slack and Teams, allowing you to witness them being utilized within hours.Adapt to various challenges. As part of a small team, you will tackle diverse tasks that may not be outlined here.How You'll Know You're SucceedingYou’ll be pushing updates to production daily, and your contributions will be evident in the changelog.A feature you’ve developed will directly contribute to a customer's success.If Viktor encounters issues at 3 AM, you'll be equipped to resolve them, having a comprehensive understanding of the system.Founders will write less code as you take over areas they previously managed.What We're Looking ForProficient coding skills. You are fully engaged in coding and take ownership of your work.

Apr 13, 2026
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Viktor logo
Full-time|On-site|Warsaw

Viktor is your AI-powered coworker, seamlessly integrated into Slack and Microsoft Teams, connecting with thousands of tools to deliver real solutions for real businesses across finance, marketing, operations, and engineering. Our mission is to create a product that replaces half the SaaS stack with a single teammate, enhancing productivity and efficiency.Our team is small but our ambitions are vast.About the RoleWe are looking for an Operations Lead/Manager to oversee the operational functions of Zeta Labs, allowing our founders to focus on strategic initiatives. You will collaborate directly with our Chief of Staff and Co-Founder, addressing immediate priorities which may include product operations, customer support, and event management. As we continue to grow, your responsibilities will evolve—last month could have involved onboarding logistics, and next month you may coordinate a product launch involving multiple teams.This role is designed to be flexible and dynamic. If you prefer a clearly defined role with a set routine, this may not be the right fit for you. However, if you thrive in a fast-paced environment where you can contribute to building processes from the ground up, we encourage you to apply.Key ResponsibilitiesYou will initially focus on three primary areas:Product Operations: Manage the coordination of non-technical tasks across Viktor and Jace, which are currently overseen by our Chief of Staff and Co-Founder.Customer Support: Gain a thorough understanding of both products and take ownership of response quality and time across all support channels.Events and Partner Relations: Handle logistics from start to finish for conferences, meetups, and partnerships.As you grow into the role, you will also take charge of:Streamlining internal processes to facilitate scaling from a team of 15 without disruption.Coordinating cross-departmental efforts between leadership, growth, engineering, and support.Overseeing new hire onboarding to ensure a smooth experience without micromanagement.Managing finance and administrative tasks currently burdening our founders.Success MetricsThe founders should no longer be involved in daily operational tasks.Customers receive prompt and reliable support consistently.External initiatives are executed on schedule with minimal last-minute issues.New employees enjoy a hassle-free onboarding experience.

Apr 13, 2026
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Viktor logo
Full-time|On-site|Warsaw

Viktor is revolutionizing the workplace with its AI coworker that integrates seamlessly into platforms like Slack and Microsoft Teams. This innovative tool connects to numerous applications and performs essential tasks for various industries, including finance, marketing, operations, and engineering. Our mission is to create a solution that effectively replaces a substantial portion of the SaaS stack with a single, efficient teammate.Despite being a small team, we are tackling a vast scope of work.With a current paid spend of $1.2 million per month across Meta and Google, we aim to exceed $2 million monthly within the next six months. Creative throughput is our primary challenge. You will take charge of the production engine.ResponsibilitiesManage the entire brief-to-publish pipeline. While strategists develop concepts, you will bring them to life. The Creator Lead will assign creators, and you will handle scheduling, editing, and delivery. Note: you will not be responsible for writing concepts or casting creators.Content Types: Approximately 70% product demonstrations, founder narratives, and user-generated content (Slack screen recordings, Loom-style walkthroughs); 30% focused on brand storytelling, motion graphics, and static content.Production Volume Targets: Aim for 200-500 finished assets per month in Phase 1, increasing to 800-1,500 assets as spending surpasses $2 million monthly.Your Key DeliverablesOversee the production pipeline: from brief intake to scripting, filming, editing, uploading, tagging, and launching.Manage AI Production Tools: Utilize tools such as Arcads, Captions, Runway, HeyGen, Krea, ElevenLabs, CapCut, and ScreenStudio.Implement a screen-recording pipeline, which has proven successful (reference: Ania's UGC achieving 1.8 million views).Manage a roster of freelance editors and motion designers.Maintain the asset library with versioning and metadata management.Track production ROI: cost per asset, time from brief to live, and asset reuse rate.30 / 60 / 90 Day GoalsFirst 30 Days: Document the pipeline. Launch the AI production stack and freelance roster. Ship 50 assets. Draft a rebranding migration plan.60 Days: Establish a cadence of over 200 assets per month. Ensure the asset library is organized and tagged. Activate the asset repurposing flywheel.90 Days: Achieve over 400 assets per month. Reduce cost per asset compared to the 30-day baseline. Develop a plan for UGC contractors for Phase 2.Essential Qualifications4-8 years of experience managing creative production in mobile gaming user acquisition, direct-to-consumer sectors (creating 500+ ads monthly), or transitioning from agency roles to in-house positions.A strong operational mindset—possessing project management and production expertise rather than a creator-focused background.Highly proficient with spreadsheets and performance metrics.

May 3, 2026
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QED AI logo
Full-time|Hybrid|Warsaw

QED AI (https://qed.ai) is an innovative technology firm dedicated to improving public health and food security across Sub-Saharan Africa. We are committed to developing the digital infrastructure and AI solutions that facilitate crucial efforts in monitoring diseases such as HIV and malaria, as well as analyzing the nutritional quality of crops and soils on a national scale in multiple African nations. Our funding is sourced from prestigious philanthropic and governmental organizations, including the Global Fund, Gates Foundation, CDC, and USAID.We are seeking a talented Infrastructure Engineer to join our dynamic team. In this role, you will be responsible for:Utilizing declarative tooling (NixOS + k3s + Terraform) predominantly on bare metal servers, with occasional cloud integration.Strategically planning infrastructure layout, selecting suitable components, conducting testing, and implementing deployments.Designing reusable modules to facilitate deployments across diverse environments, ensuring data sovereignty for our clients.Enhancing developer tooling to streamline operations.Maintaining robust monitoring and alerting systems.Quickly responding to downtimes (optional pager duty included).Planning and constructing bare metal infrastructure for deployment in low to middle-income countries.Potential travel opportunities to gain insights into the challenges we address and to set up hardware in local data centers.This position requires a full-time commitment based in Warsaw, Poland, with a hybrid work model allowing for both remote and in-person work throughout the week. We anticipate at least 2-3 days per week in the office. The working hours are flexible, enabling you to manage personal matters during the day without prior approval.

Dec 15, 2025
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Telemedi logo
Full-time|On-site|Warsaw, Masovian Voivodeship, Poland

Join Telemedi as an AI Data Engineer!Telemedi is a pioneering company in the healthcare sector, committed to employing programmers, doctors, and experts across various fields to develop cutting-edge solutions that enhance patient care. Our mission is to leverage technology to provide everyone with convenient and immediate access to medical services.In the role of AI Data Engineer, you will collaborate with us to innovate within the telemedicine and insurance industries.Your Responsibilities:Design and implement autonomous workflows that transform raw data into self-validating reports.Map business processes and determine which aspects can be automated using AI.Build and maintain the analytics layer of our telemedicine platform.Replace manual reporting systems in Excel with intelligent, repeatable pipelines.Construct architectures for data validation systems and monitor the quality of AI outputs.The first three responsibilities will constitute 80% of your work time.

Apr 10, 2026
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QED AI logo
Full-time|On-site|Warsaw

QED AI is a pioneering technology firm dedicated to enhancing public health and food security across Sub-Saharan Africa. Our mission is to construct the digital infrastructure and AI solutions that serve at the nexus of humanitarian assistance and scientific research. Our projects include critical surveillance of HIV and malaria, as well as nutrient analysis of crops and soils, operating on a national scale in several African nations. Our funding is supported by esteemed philanthropic and governmental organizations including the Global Fund, Gates Foundation, CDC, and USAID.We are actively seeking a talented mid to senior-level Software Engineer to become an integral part of our Warsaw team. The ideal candidate will possess:A robust background in software engineering, including proficiency in version control, writing clean and maintainable code, robust design principles, and a solid understanding of data structures and algorithms.The ability to conceptualize logical software architectures and communicate effectively in both verbal and written formats.A willingness to address a diverse range of challenges and technologies.A collaborative spirit, participating in regular design sessions, code reviews, and team efforts.Experience in development on UNIX-based or OSX-Darwin platforms.Working proficiency (≥C1) in English, including speaking, reading, and typing (≥45 words per minute).An interest in collaborating with individuals from diverse cultural backgrounds.Emotional resilience and social intelligence.A passion for your work and a tendency to maintain an optimistic outlook, even amidst challenges.While the following skills are not mandatory, they would be advantageous:Experience with Python, Django, React, Android, or PyTorch.Knowledge of computer hardware, electronics, or physics.Participation in programming and/or mathematics competitions.A product-oriented mindset.A spirit of adventure and exploration.A passion for sustainable development goals, particularly in public health, agriculture, and supporting developing nations.

Dec 15, 2025
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altersolutions logo
Full-time|On-site|Warsaw

We are seeking a dynamic Senior Engineering Manager to lead a team of skilled engineers dedicated to developing cutting-edge AI-powered applications and infrastructure. In this pivotal role, you will engage in hands-on leadership, dividing your time between technical execution, strategic planning, and effective people management.You will oversee the entire employee lifecycle, from hiring and onboarding to performance evaluations, promotions, and, when necessary, offboarding. Cultivating a high-performing and motivated team culture is crucial to your success. You will work in close collaboration with fellow engineering managers, data scientists, and key stakeholders to ensure timely project delivery, maintain high technical standards, and align team objectives.Key Responsibilities:Lead and nurture a team of engineers through mentorship, coaching, and career development.Manage all aspects of team administration: hiring, performance evaluations, salary negotiations, and feedback processes.Establish priorities and drive the execution of AI-focused features and components.Serve as a liaison between engineering and business units, ensuring transparent communication and alignment.Promote operational excellence by implementing continuous improvements in CI/CD, monitoring, observability, and performance metrics.Collaborate on project roadmaps, architectural decisions, and overarching technical strategies.

Oct 9, 2025
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Velocity logo
Full-time|Hybrid|Warsaw

Join Our Team as a Product Engineer!Product Engineer (Warsaw – Hybrid)Velocity is revolutionizing the financial landscape with a groundbreaking approach: Stablecoins. Our mission is to provide an intelligent, rapid, and unified method for transferring funds. As payment and banking infrastructures lag behind the demands of today's global economy, we are at the forefront of change with our Stablecoin Payment Account, merging the agility of digital assets with the rigor of traditional finance.Based in London, Warsaw, and New York, our experienced team collaborates in a hybrid work model. We value the balance of flexibility and in-person teamwork. This position is based in our Warsaw office and operates under a B2B contract arrangement.Your Role and ResponsibilitiesAs a Product Engineer at Velocity, you will leverage AI to develop comprehensive products that seamlessly integrate with financial systems. You will collaborate closely with product managers and stakeholders, taking ownership of entire product flows from concept to production and beyond.Essential QualificationsStrong product ownership: You are adept at understanding product goals, engaging with product managers and stakeholders, and managing features from ideation through to deployment and monitoring. You excel at problem-solving.Hands-on AI-driven development: You utilize AI tools daily to enhance design, coding, debugging, and shipping processes. AI is integral to our product development methodology.Rapid execution: You will deliver your first significant pull request on your very first day. Your drive and ambition focus on delivering tangible value rather than getting mired in discussions.Collaborative spirit: As part of a small, flat team of product engineers, you work autonomously, support your teammates, and thrive in an ego-free collaborative atmosphere. You take accountability for your design choices.Robust backend engineering experience (3+ years): You are proficient in building and maintaining production systems using frameworks such as Node.js, Django, FastAPI, or Ruby on Rails. Familiarity with frontend frameworks like React is a plus, along with expertise in leveraging GitHub for team collaboration.API and system design proficiency: You possess the skills to create clean, scalable RESTful APIs and backend architectures that are both maintainable and efficient.

Oct 14, 2025
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Mistral AI logo
Full-time|On-site|Warsaw

About Mistral AIAt Mistral AI, we harness the transformative capabilities of artificial intelligence to streamline processes, optimize time management, and foster creativity and learning. Our innovative technology is crafted to integrate effortlessly into everyday workflows.We are committed to democratizing AI through the development of high-performance, optimized, open-source models, products, and solutions. Our extensive AI platform caters to both enterprise and personal requirements, featuring offerings such as Le Chat, La Plateforme, Mistral Code, and Mistral Compute, all designed to deliver cutting-edge intelligence to users.Our vibrant and collaborative team is passionate about AI’s potential to revolutionize society. Comprising a diverse workforce that thrives in competitive settings, we are dedicated to fostering innovation. Our teams are distributed across France, the USA, the UK, Germany, and Singapore, embodying a spirit of creativity and teamwork.Join us in shaping the future of AI at a pioneering company. Together, we can drive significant change. Explore our culture further at https://mistral.ai/careers.Mistral AI participates in the E-Verify programYour Role• Innovate and develop groundbreaking methods to advance the capabilities of large language models.• Engage with diverse use cases (e.g., reasoning, coding, agents) and modalities (e.g., text, image, speech).• Construct tools and infrastructure to facilitate large-scale training, evaluation, and analysis of AI models.• Collaborate cross-functionally with scientists, engineers, and product teams to deploy AI systems that make a tangible impact.Your Profile• You possess strong software engineering skills in at least one programming language (e.g., Python, Rust, Go, Java).• You have hands-on experience with AI frameworks (e.g., PyTorch, JAX) or distributed systems (e.g., Ray, Kubernetes).• You demonstrate high engineering competence, capable of designing complex software and ensuring its production usability.• You are a self-motivated individual who excels both autonomously and as part of a team.Ideal Qualifications• You have practical experience in training large transformer models in a distributed environment.• You are adept at navigating the full machine learning lifecycle, from data preparation to model deployment.

Oct 8, 2025
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Inetum logo
Full-time|On-site|Warsaw

Join our innovative team at Inetum Polska as a Data Engineer, where you will utilize your data engineering expertise in a fast-paced environment. Your role will be pivotal in ensuring smooth data migration and optimization for cutting-edge AI and ML projects. Don't miss out on the opportunity to contribute to our groundbreaking initiatives!Key ResponsibilitiesData Pipeline Development:Craft, develop, and implement Python-based ETL/ELT pipelines to facilitate data migration from on-premises MS SQL Server to our Databricks instance,Ensure effective ingestion of historical parquet datasets into Databricks.Data Quality & Validation:Establish validation, reconciliation, and quality assurance protocols to guarantee the accuracy and completeness of migrated data,Manage schema mapping, field transformations, and metadata enrichment to standardize datasets,Integrate data governance, quality assurance, and compliance into all migration processes.Performance Optimization:Optimize pipelines for enhanced speed and efficiency, leveraging Databricks capabilities, including Delta Lake when applicable,Oversee resource utilization and scheduling for large dataset transfers.Collaboration:Coordinate closely with AI engineers, data scientists, and business stakeholders to outline data access patterns needed for upcoming AI POCs,Work alongside infrastructure teams to ensure secure connections between legacy systems and Databricks.Documentation & Governance:Maintain comprehensive technical documentation for all data pipelines,Adhere to best practices for data governance, compliance, and security throughout the migration process.

Feb 16, 2026
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QED AI logo
Full-time|On-site|Warsaw

QED AI is an innovative technology firm committed to enhancing public health and food security across Sub-Saharan Africa. We specialize in developing digital infrastructure and AI solutions that bridge the gap between humanitarian aid and scientific research. Our initiatives include monitoring HIV and malaria, as well as analyzing crop and soil nutrients, with operations spanning several countries in Africa. Our funding is supported by notable philanthropic and governmental organizations, such as the Global Fund, Gates Foundation, CDC, and USAID.We are eager to welcome an Android Developer to our Warsaw team. Ideal candidates will possess the following skills:A minimum of 4 years of experience in developing Android applications with successful deployment on the Play Store.Proficiency in Kotlin for Android development, along with a foundational understanding of Kotlin coroutines.Experience with Android Jetpack components.Solid knowledge in software engineering principles, version control, writing clean and maintainable code, and understanding of data structures and algorithms.Fluent in English (C1 level) with strong verbal and written communication skills (minimum typing speed of 45 words per minute).Strong logical reasoning and the ability to articulate ideas effectively.An open-minded attitude towards collaborating with diverse cultures.Demonstrated emotional intelligence and resilience.A genuine passion for your work and a positive outlook, even amidst challenges.Additionally, the following skills will be considered a plus, though not mandatory:Experience leading a software engineering team.Interest or background in sustainable development goals related to public health and agriculture in developing nations.Experience in computer vision technologies.Familiarity with gRPC.What to expect from us:Unique and socially impactful projects.Minimal bureaucracy.Significant autonomy and ownership over your work.

Dec 4, 2024
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nord-security logo
Full-time|On-site|Warsaw

Join Saily, where we are revolutionizing mobile connectivity while you travel with our service that eliminates roaming fees and the need for plastic SIM cards, providing seamless, secure mobile data in over 200 destinations worldwide. With millions of customers and countless travelers engaged with Saily at any time, we are committed to delivering the best mobile experience.Our AI-native Product Engineering culture is designed for innovation:The Engineer takes ownership, managing projects from concept through to production.AI Agents support engineers by handling coding and repetitive tasks, enhancing productivity.Every team member is encouraged to suggest improvements, fostering a culture of constant enhancement.We prioritize curiosity, learning, and sharing knowledge.The comfort and connectivity of our customers is always our primary focus.At Saily, we emphasize growth over comfort, contribution over hierarchy, and impact over process, providing our talented team with the autonomy and AI tools necessary to excel in their roles.

Apr 12, 2026
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Complexio logo
Full-time|On-site|Warsaw, Masovian Voivodeship, Poland

Join Complexio, where our innovative AI platform revolutionizes business processes by efficiently managing and comprehending extensive enterprise data—both structured and unstructured. Utilizing proprietary models, knowledge graphs, and orchestration layers, we streamline human-computer interactions and autonomously execute intricate workflows on a large scale.As a joint venture between Hafnia and Símbolo, alongside partners such as Marfin Management, C Transport Maritime, BW Epic Kosan, and Trans Sea Transport, Complexio is at the forefront of redefining enterprise productivity through context-aware, privacy-first automation.This project is dedicated to enhancing business operations through cutting-edge artificial intelligence and advanced technologies, enabling intelligent data handling and automated decision-making. Our solutions are built with modern, high-performance architectures to guarantee efficiency, security, and scalability.

Oct 6, 2025
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Dentons Business Services EMEA logo
Full-time|On-site|Warsaw, Masovian Voivodeship, Poland

Dentons Business Services EMEA serves as the operational backbone of Dentons, the world’s largest law firm, driving exceptional service delivery to clients across Europe, the Middle East, and Africa. Our EMEA business services team is integral to enhancing efficiency, fostering innovation, and encouraging collaboration within our global network.At Dentons Business Services EMEA, we are dedicated to excellence in providing legal professionals with state-of-the-art solutions. Our vibrant and diverse team works cohesively to offer a comprehensive range of services, including finance, IT, human resources, marketing, and more. We take pride in cultivating a culture of continuous improvement and adaptability.Job PurposeThe AI Automation Developer role is centered on the hands-on development and implementation of AI systems and workflows. This includes DAISY, our proprietary AI system, which integrates a custom chatbot, workflows, internal tool integrations, and knowledge management platforms, as well as Microsoft’s AI suite (Copilot Studio, Foundry, SharePoint knowledge agents). As an AI Engineer, you will prototype innovative AI solutions, collaborate with teams across Europe to develop and execute AI use cases, and remain informed of the latest AI advancements to guide our strategic direction.Key ResponsibilitiesFacilitating the development and deployment lifecycle of DAISY, our in-house AI system.Designing and implementing new functionalities through AI workflows, automation, prompt engineering, and iterative testing.Collaborating with developers using agile methodologies to deliver AI solutions that meet business needs.Rapidly prototyping and automating processes to overcome workflow challenges.Partnering with lawyers and business professionals to create new functionalities.Managing backlog, user stories, and data quality to ensure the delivery of high-quality features.

Mar 6, 2026
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Nearmap logo
Full-time|On-site|Warsaw

Lead and execute software engineering initiatives to facilitate end-to-end machine learning operations, emphasizing the scaling of workflows for extensive datasets and distributed systems.Architect, develop, and sustain MLOps infrastructures, including microservices, queuing systems, APIs, and orchestration workflows utilizing Python, Kubernetes, Kafka, and advanced database technologies.Deploy observability tools such as Prometheus and Grafana to guarantee the reliability, performance, and visibility of machine learning systems in a production environment.Work collaboratively with data scientists and machine learning engineers to optimize workflows for large language models, generative AI, and intelligent agent development and deployment.Evaluate architecture and implementation strategies to ensure alignment with organizational objectives, scalability, and adherence to best practices.Guide and mentor junior and mid-level engineers, promoting a culture of collaboration, innovation, and operational excellence.

Mar 2, 2026
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Box, Inc. logo
Full-time|On-site|Warsaw, Poland

Box creates Intelligent Content Management solutions that support collaboration, content lifecycle management, and information security for organizations worldwide. Since its founding in 2005, Box has worked with companies such as JLL, Morgan Stanley, and Nationwide. Headquartered in Redwood City, California, Box also maintains offices across the United States, Europe, and Asia. Every day, Box manages millions of files and data exchanges, including contracts and HR documents. The company’s mission centers on bringing intelligence to content management, enabling customers to streamline business workflows. Engineers at Box play a key role in applying AI to real-world collaboration challenges. Role overview The Relay Experience team in Warsaw focuses on improving workflow automation for Box users. Relay automates routine tasks for many large enterprises, helping users save time and maintain consistency across processes. This team is seeking a Senior Software Engineer who will take ownership of major system components, contribute independently, and help refine the experience for millions of Relay users each day.

Apr 21, 2026
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Fresha logo
Contract|PLN 25K/mo - PLN 40K/mo|Hybrid|Warsaw

Location: Warsaw, Poland — Hybrid (4 days on-site / 1 day remote)Contract: B2B · 25–40 k PLN net / month + RSUsFresha: Innovating the Beauty & Wellness SectorBecome a part of Fresha, the premier marketplace platform revolutionizing the beauty and wellness industry on a global scale. With a network of over 120,000 businesses and 450,000 stylists who trust our platform, we've facilitated more than 1 billion appointments worldwide. Fresha provides an integrated platform for bookings, point-of-sale, marketing, and more, connecting consumers with local services.Your Role as a Backend EngineerAt Fresha, we harness the power of AI not merely as a coding assistant, but as a catalyst for feature delivery. We equip every engineer with cutting-edge tools (Claude, GitHub Copilot, Cursor) to eliminate technical burdens—allowing you to dedicate your efforts to delivering high-impact product features. We seek engineers who can adeptly utilize these tools to propel our 6-week development cycles, accelerating the transition from concept to code, while ensuring the technical integrity and security of the final user experience.Are you poised to make a tangible impact in a dynamic, self-directed environment? We invite you to join our exceptional cross-functional product team in Warsaw as a Backend Engineer.Key Responsibilities:* Collaborate intimately with Product, Design, Frontend, Infrastructure, and Mobile engineers to transition features from discovery to deployment and beyond.* Take ownership of features from concept to observability: encompassing technical design, implementation, testing, and deployment.* Design, develop, and sustain efficient, scalable, and robust Ruby/Elixir code.* Work within a polyglot technology stack (Ruby, Elixir, GraphQL, TypeScript, gRPC) and modern messaging systems (Kafka).* Operate within a Kubernetes-driven framework as we progress towards a microservices architecture.* Apply Domain-Driven Design principles to build high-quality, impactful products from inception to delivery.

Apr 23, 2025
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Nord Security logo
Full-time|On-site|Warsaw

Join Saily, where we simplify global connectivity without the burden of roaming fees or cumbersome SIM cards. With access to rapid, secure mobile data across 200+ destinations, we cater to millions of satisfied customers and hundreds of thousands of travelers exploring our services at any moment.Our commitment to developing outstanding products is driven by an AI-native Product Engineering culture that emphasizes:The engineer as a builder, taking ownership of the project lifecycle from conception through to production.AI agents that assist by automating repetitive tasks, enabling engineers to focus on impactful work.A collaborative environment where team members actively propose enhancements to improve efficiency.A culture of curiosity, knowledge-sharing, and continuous learning.Maintaining our customer focus, ensuring seamless and enjoyable journeys.At Saily, we prioritize growth over complacency, contribution over hierarchy, and meaningful impact over rigid processes. We empower talented individuals with the autonomy and context needed to perform their best work.

Apr 12, 2026
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QED logo
Full-time|On-site|Warsaw

QED (https://qed.ai) is an innovative tech firm dedicated to enhancing public health and ensuring food security in Sub-Saharan Africa. Our mission involves developing cutting-edge digital infrastructure and artificial intelligence solutions that bridge the gap between humanitarian aid and scientific research. This includes in-situ nutrient analysis of crops, soils, and foods, along with national-scale surveillance of diseases such as HIV and malaria across multiple African nations. Our organization is proudly supported by various philanthropic and governmental entities, including the Gates Foundation, the Polish Ministry of Agriculture, and the Global Fund.We are excited to invite a talented Data Scientist to our Warsaw team, focusing on ScanSpectrum (https://scanspectrum.qed.ai), a revolutionary low-cost handheld spectrophotometry kit designed to evaluate the quality parameters of food and agricultural products.

Feb 18, 2026

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