June 4, 2026
Creative Developer / Design Engineer
Senior • Remote
17,000 - 26,000 PLN
Poznan, Poland
We’re a well-knit digital design studio working with products, brands and (no-)code. Founders come to us because we design beautiful and highly-converting websites that attract lucrative leads. That means we gotta try harder than Squarespace templates.
You’re free to do the job your way, but the team is there for you. Doesn’t matter if you’re just in a pickle or need a real talk about your career — there’s always folks happy to give you a hand.
And hey, we’re not here to point the finger at what to do. If you see something we can improve or know how to reach our goals — do it and get your cred.
The team is already asking about you. Don't make them wait, apply!
Your day-to-day
You’ll help us create more ambitious, polished and interactive web experiences for early-stage startups and digital brands.
You’ll work at the intersection of design and development, turning visual concepts into motion-rich, coded interactions.
You’ll collaborate closely with designers to understand their ideas, expand them and bring them to life in the browser.
You’ll create advanced web animations, microinteractions, transitions and scroll-based experiences using modern frontend tools, CSS and JavaScript.
Depending on the project, you may work with GSAP, SVG, Canvas, Three.js, WebGL, shaders or other animation techniques.
You’ll build interactive prototypes and production-ready motion patterns for websites and digital products.
You’ll prepare clean, reusable and developer-friendly code that can be implemented smoothly by the wider dev team.
You’ll explore what’s technically possible and suggest smarter, more interesting interaction ideas.
You’ll care about performance, responsiveness and smoothness, so the final experience works as well as it looks.
-
You’ll help raise the overall motion and interaction quality of the web projects we deliver at tonik.
It’s a match if you’re like this
You’re a creative frontend person — somewhere between a developer, creative coder, motion thinker and design-sensitive problem solver.
You’re strong in HTML, CSS and JavaScript, well beyond standard website implementation.
You can create polished web animations and interactions directly in code.
You know how to work with advanced CSS animations, transitions, transforms, custom properties, masks, clip-paths and scroll-driven animations.
You have hands-on experience with Three.js, React Three Fiber, WebGL, GLSL or shaders.
You’ve worked with GSAP, Framer Motion, or similar animation libraries.
You’re comfortable using SVG, Canvas or generative visuals to create richer web experiences.
You understand motion principles: easing, timing, rhythm, hierarchy and interaction feel.
You have a strong eye for design and know when an interaction feels good, not just when it technically works.
You’re comfortable working closely with designers and translating abstract visual ideas into working prototypes.
You’ve built interactive web demos, motion-heavy websites, creative coding experiments or similar projects.
You write clean, thoughtful and optimized code.
You communicate clearly and can explain technical possibilities and limitations to both designers and developers.
You enjoy experimenting, prototyping and finding unexpected ways to make web experiences more engaging.
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You have a portfolio, personal website, CodePen, GitHub or similar place where we can see your interactive work.
Nice to have
Experience with React, Next.js or similar modern frontend frameworks.
Background in creative coding, interactive design, digital art, game development or creative technology.
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Experience creating reusable animation patterns, UI demos or internal tools for design/dev teams.
What you get:
Work wherever & whenever you want
Unlimited budget for growth
Unlimited hardware & software budget
Dinners, retreats, and workations
-
Worksmile cafeteria plan
The process
1. You first
Hit that big Apply button and tell us about yourself.
2. Vibe check
Let’s jump on a call, so we can both figure whether it’s a fit.
3. Show off
Time to shine! We’ll send you a task so you can show us your wizardry.
4. Join the team
One last interview to talk details and that’s it, you’re on board!
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20,500 - 27,000 PLN
🏢 Summary: Senior Product Designer (12-month maternity cover with potential for permanent role) focused on driving activation, conversion, and retention through experimentation and lifecycle initiatives. The role owns end-to-end design from discovery to shipping, running A/B tests, in-product experiments, and data-driven optimizations tied to revenue metrics. Strong emphasis on business impact, product analytics, AI-assisted design, and rapid experimentation. 🗂️ Requirements: Proven end-to-end product design experience (discovery to shipping), Strong portfolio demonstrating business impact and metrics-driven design, Ability to design and run A/B tests and in-product experiments, Experience with product analytics and experimentation tools, Mastery of Figma, Hands-on experience with AI-assisted design or prototyping tools, Ability to define and measure success using activation and conversion metrics, Experience writing product copy, Experience working on digital products (SaaS or B2B preferred) 📃 Skills: Figma, A/B testing, Experimentation, Analytics, SEO, PAYDA, AI, Cursor, Claude, Codex, Flow, Prototyping, SaaS, B2B 🏢 Description: About us At Text, we're building a new category around customer communication, powered by real-time data. We're looking for a Senior Product Designer to join our Lifecycle Growth team - someone who gets more excited by business outcomes than pixel-perfect screens, and who wants to design where every experiment, banner, and flow is tied to a real revenue or activation metric. This is initially a maternity cover (~12 months) with a strong path to a permanent role for the right person — in an organization our size, we always find a place for great specialists. This isn't a role for someone who wants to be handed perfectly-scoped tickets. We work like adults running our own startup inside Text: high autonomy, weekly cadence, async-first, and zero hand-holding. About the team Lifecycle Growth Team sits inside the broader Activation org and works across two connected areas: lifecycle (customer communication around product updates, churn prevention, win-backs) and R&D and experimentation (SEO and PAYDA tests, activation banners and nudges, reshaping core product surfaces). We share KPIs with Product Activation: Trial > QL > Subscriber. You'll work most closely with your own team day-to-day, but because Activation touches every product team, you'll collaborate broadly across product and design. What you'll own Taking end-to-end ownership of design work - from business discovery and problem definition, through design, testing, and shipping. Designing for business outcomes : activation, conversion, retention. You'll define what success looks like in numbers. Running live experiments - activation banners, in-product nudges, A/B tests, and lifecycle communications that move Trial > QL > Subscriber. Collaborating with designers across Activation and other product teams, contributing to design critique and shared thinking. Occasional experiments that go beyond Activation - and affect acquisition, retention and monetization Writing copy - at Text, designers write the first version of product copy. Working AI-natively - using tools like Cursor to build interactive mockups and accelerate your work. Who you are We hire for mindset over years on a CV . If you have fewer years of experience and the bullets below describe you, we want to talk. If you have 10 years and you don't recognize yourself here, this won't be a fit. You take ownership. Every designer at Text is expected to act like the design lead for everything they ship. You think business-first. You can read a metric, understand why it matters, and design toward moving it. You move fast. You'd rather ship a rough test this week and learn than ship a polished screen next quarter and hope. You're comfortable with ambiguity. Our team is post-reorg, our product is newer than LiveChat with smaller data volumes, and our roadmap shifts. You're AI-native or eager to be. You use AI tools as a multiplier, not a curiosity. You communicate clearly and directly. You give and receive feedback without ego. Deal-breaker: if you optimize for how something looks more than how it works — this isn't your team. We're building a product that makes people more productive. You may be a great fit if you have A portfolio that shows business thinking — why something was built, what changed because of it, and how you made the trade-offs. Comfort with the full design process : discovery, prototyping, shipping, and measuring impact. Mastery of Figma ; familiarity with experimentation tools and product analytics. Hands-on experience with AI-assisted design or prototyping tools (Claude Code/ Codex /Flow/Claude Design) — or a clear willingness to adopt them fast. Nice to have Experience working on a product (vs. agency or marketing-only). Background in SaaS, B2B, or product-led growth . Experience writing product copy. Hands-on experience with AI-assisted design or prototyping tools (Cursor, v0, etc.). Why you'll love working here Real ownership from day one. You won't be waiting for permission. A team of people who care. Strong characters, high standards, low ego. Direct line to leadership. No layers of middle management between your ideas and decisions. Cross-product exposure. Because Activation works with every product team, you'll see more of how Text actually works in 12 months than most designers see in 3 years. A path to permanent. This role starts as maternity cover, but for the right person, we'll make space. Ability to deliver incredible impact. Our tools serve more than 1 billion customers a month, across 150+ countries Unlimited access to all the cutting edge AI tools 🔥 We're not promising an easy ride. We're promising real impact, real autonomy, and a team that will push you to do the best work of your career — if you're the kind of person who wants that. How we work We’re a hybrid team – remote when it makes sense, onsite when it matters most. Once per quarter, your whole team spends 5 working days together at our Wrocław office – a time for focused execution, unblocking work, and driving key outcomes. Our office is open year-round – drop by anytime. Benefits We don’t want you to worry about all the basic benefits - like a Multisport card, private health care, or a home office equipment budget. What we really want you to feel and what we believe in is that the real benefits come from the culture we’ve built. With a hybrid work model, unlimited paid days off and sick days policy, an environment focused on outcomes instead of worked hours, and people dedicated to their work, you’ll find a workplace where you can thrive. And here’s the icing on the cake: you’ll have the opportunity to work with the makers behind all Text products: LiveChat , ChatBot , HelpDesk , KnowledgeBase , OpenWidget . Are you feeling like this might be a great place to consider working for? We feel it too ;) Join us and apply.
Technology
Text SA
Senior Product Designer - Lifecycle Growth
Senior
Remote
Wroclaw, Poland
20,500 - 27,000 PLN
🏢 Summary: Senior Product Designer role focused on driving activation, conversion, and retention through experimentation and lifecycle design. The position involves end-to-end ownership from discovery to shipping, with strong emphasis on A/B testing, product analytics, and AI-assisted design. Initially a 12-month maternity cover with potential for permanent placement. 🗂️ Requirements: Proven end-to-end product design experience (discovery to shipping), Strong portfolio demonstrating measurable business impact, Ability to design and run A/B tests and experiments, Experience with product analytics and metric-driven design, Mastery of Figma, Hands-on experience with AI-assisted design or prototyping tools, Ability to write product copy, Experience designing for SaaS or B2B products 📃 Skills: Figma, A/B, SEO, Analytics, SaaS, B2B, AI, Cursor, Claude, Codex, Flow, v0 🏢 Description: About us At Text, we're building a new category around customer communication, powered by real-time data. We're looking for a Senior Product Designer to join our Lifecycle Growth team - someone who gets more excited by business outcomes than pixel-perfect screens, and who wants to design where every experiment, banner, and flow is tied to a real revenue or activation metric. This is initially a maternity cover (~12 months) with a strong path to a permanent role for the right person — in an organization our size, we always find a place for great specialists. This isn't a role for someone who wants to be handed perfectly-scoped tickets. We work like adults running our own startup inside Text: high autonomy, weekly cadence, async-first, and zero hand-holding. About the team Lifecycle Growth Team sits inside the broader Activation org and works across two connected areas: lifecycle (customer communication around product updates, churn prevention, win-backs) and R&D and experimentation (SEO and PAYDA tests, activation banners and nudges, reshaping core product surfaces). We share KPIs with Product Activation: Trial > QL > Subscriber. You'll work most closely with your own team day-to-day, but because Activation touches every product team, you'll collaborate broadly across product and design. What you'll own Taking end-to-end ownership of design work - from business discovery and problem definition, through design, testing, and shipping. Designing for business outcomes : activation, conversion, retention. You'll define what success looks like in numbers. Running live experiments - activation banners, in-product nudges, A/B tests, and lifecycle communications that move Trial > QL > Subscriber. Collaborating with designers across Activation and other product teams, contributing to design critique and shared thinking. Occasional experiments that go beyond Activation - and affect acquisition, retention and monetization Writing copy - at Text, designers write the first version of product copy. Working AI-natively - using tools like Cursor to build interactive mockups and accelerate your work. Who you are We hire for mindset over years on a CV . If you have fewer years of experience and the bullets below describe you, we want to talk. If you have 10 years and you don't recognize yourself here, this won't be a fit. You take ownership. Every designer at Text is expected to act like the design lead for everything they ship. You think business-first. You can read a metric, understand why it matters, and design toward moving it. You move fast. You'd rather ship a rough test this week and learn than ship a polished screen next quarter and hope. You're comfortable with ambiguity. Our team is post-reorg, our product is newer than LiveChat with smaller data volumes, and our roadmap shifts. You're AI-native or eager to be. You use AI tools as a multiplier, not a curiosity. You communicate clearly and directly. You give and receive feedback without ego. Deal-breaker: if you optimize for how something looks more than how it works — this isn't your team. We're building a product that makes people more productive. You may be a great fit if you have A portfolio that shows business thinking — why something was built, what changed because of it, and how you made the trade-offs. Comfort with the full design process : discovery, prototyping, shipping, and measuring impact. Mastery of Figma ; familiarity with experimentation tools and product analytics. Hands-on experience with AI-assisted design or prototyping tools (Claude Code/ Codex /Flow/Claude Design) — or a clear willingness to adopt them fast. Nice to have Experience working on a product (vs. agency or marketing-only). Background in SaaS, B2B, or product-led growth . Experience writing product copy. Hands-on experience with AI-assisted design or prototyping tools (Cursor, v0, etc.). Why you'll love working here Real ownership from day one. You won't be waiting for permission. A team of people who care. Strong characters, high standards, low ego. Direct line to leadership. No layers of middle management between your ideas and decisions. Cross-product exposure. Because Activation works with every product team, you'll see more of how Text actually works in 12 months than most designers see in 3 years. A path to permanent. This role starts as maternity cover, but for the right person, we'll make space. Ability to deliver incredible impact. Our tools serve more than 1 billion customers a month, across 150+ countries Unlimited access to all the cutting edge AI tools 🔥 We're not promising an easy ride. We're promising real impact, real autonomy, and a team that will push you to do the best work of your career — if you're the kind of person who wants that. How we work We’re a hybrid team – remote when it makes sense, onsite when it matters most. Once per quarter, your whole team spends 5 working days together at our Wrocław office – a time for focused execution, unblocking work, and driving key outcomes. Our office is open year-round – drop by anytime. Benefits We don’t want you to worry about all the basic benefits - like a Multisport card, private health care, or a home office equipment budget. What we really want you to feel and what we believe in is that the real benefits come from the culture we’ve built. With a hybrid work model, unlimited paid days off and sick days policy, an environment focused on outcomes instead of worked hours, and people dedicated to their work, you’ll find a workplace where you can thrive. And here’s the icing on the cake: you’ll have the opportunity to work with the makers behind all Text products: LiveChat , ChatBot , HelpDesk , KnowledgeBase , OpenWidget . Are you feeling like this might be a great place to consider working for? We feel it too ;) Join us and apply.
Technology
RemoDevs
Frontend React Developer
Mid
On-site
Warsaw, Poland
4,500 - 6,000 USD/mo
🏢 Summary: Mid Frontend React Developer role focused on building AI-powered enterprise web applications using React, Next.js, and TypeScript. The position involves developing scalable user interfaces, integrating backend APIs, and improving performance and usability in collaboration with cross-functional teams. The offer includes access to modern AI development tools, stock options, and work on production AI products used by enterprise customers. 🗂️ Requirements: 2–5 years of frontend development experience, React, JavaScript, TypeScript, Next.js or modern React framework, REST APIs, Asynchronous data fetching, Modern CSS solutions, Responsive design, Cross-browser compatibility, Reusable frontend code, Git, Modern development workflows, AI coding tools, English B2+ 📃 Skills: React, Next.js, TypeScript, JavaScript, REST, Tailwind, CSS, Git, Copilot, ChatGPT, Claude, SWR, ReactQuery, Node.js, Python, Playwright, Cypress, AWS, Highcharts 🏢 Description: About Us Many companies want to use AI agents, but these tools often struggle with real business tasks. We build a platform that helps AI understand company knowledge, workflows, and processes, enabling it to provide accurate and reliable answers. Our technology is trusted by large international companies and integrates with leading AI and cloud platforms. Our mission is to help people find better answers and make better decisions with AI. About the Role We are looking for a Mid Frontend React Developer to help build modern web applications that make enterprise AI intuitive and reliable. You'll work closely with experienced frontend engineers, designers, backend developers, and product managers to create fast, responsive, and scalable user experiences. You'll contribute to new features, improve existing functionality, and gain hands-on experience building AI-powered products used by enterprise customers. What You Will Do - Build and maintain modern web applications using React, Next.js, and TypeScript. - Develop user interfaces for AI-powered features such as chat, search, and knowledge management. - Create reusable UI components and contribute to our design system. - Integrate frontend applications with backend APIs and real-time data. - Improve application performance, responsiveness, and user experience. - Write clean, maintainable, and well-tested code. - Participate in code reviews and collaborate with engineers, designers, and product managers. - Use AI development tools to improve productivity and software quality. - Learn from production feedback and continuously improve existing features. Requirements - 2–5 years of experience building modern frontend applications. - Good knowledge of React, JavaScript, and TypeScript. - Experience with Next.js or another modern React framework. - Experience working with REST APIs and asynchronous data fetching. - Familiarity with modern CSS solutions such as Tailwind CSS, CSS Modules, or CSS-in-JS. - Understanding of responsive design and cross-browser compatibility. - Experience writing maintainable, reusable frontend code. - Familiarity with Git and modern development workflows. - Experience using AI coding tools such as GitHub Copilot, Claude Code, ChatGPT, or similar. - English at B2 level or higher. Nice to Have - Experience with React Flow, Highcharts, or similar visualization libraries. - Familiarity with SWR, React Query, or similar data-fetching libraries. - Basic knowledge of Node.js or Python. - Experience working with AI-powered applications, chat interfaces, or search experiences. - Familiarity with Playwright, Cypress, or other frontend testing frameworks. - Basic understanding of accessibility and Core Web Vitals. - Experience with AWS or other cloud platforms. What We Offer - 18,000–23,000 PLN B2B (depending on experience). - Company stock options. - MacBook Pro. - Modern technology stack. - Opportunity to contribute to open-source projects. - Access to advanced AI development tools, including GitHub Copilot, Claude Code, OpenAI Codex, TypingMind, v0, MCP Servers, and credits for testing new AI technologies. - The opportunity to work on production AI products used by enterprise customers. - A collaborative engineering culture focused on learning, mentorship, and continuous improvement. Our Values - Quality - We build software with care and attention to detail. - Momentum - We move quickly, learn continuously, and improve through iteration. - Accountability - We take ownership of our work and communicate openly. - Hard Work - We solve challenging problems together and support one another. - Learning - We stay curious, embrace feedback, and continuously grow. - Adaptability - We welcome change and see new challenges as opportunities. - Teamwork - We collaborate, share knowledge, and celebrate success together.
Technology
tonik
Fullstack Developer
Mid
Remote
Poznan, Poland
18,000 - 25,000 USD
🏢 Summary: Fullstack Developer role focused on building and scaling web-based MVP products from scratch, collaborating with cross-functional teams and leveraging AI tools to deliver scalable, secure, and high-quality solutions. The position involves roadmap ownership, architecture design, cloud deployment, and continuous product improvement based on metrics and user feedback. 🗂️ Requirements: Proven experience as Fullstack Developer with portfolio of web-based products, Strong knowledge of TypeScript or JavaScript, Knowledge of at least one: Python, Rust, or C#, Experience with React and JSX-based frameworks, Experience with Next.js, Understanding of cloud computing platforms and networking, Experience with Docker and CDN technologies, Knowledge of Edge Workers, Experience with data modeling, Experience with relational databases, Knowledge of PostgreSQL, Architecture design skills, Ability to use AI tooling for coding productivity, Familiarity with Agile methodologies, Experience with Jira or Linear 📃 Skills: TypeScript, JavaScript, Python, Rust, C#, React, Next.js, JSX, Docker, CDN, EdgeWorkers, PostgreSQL, SQL, Cloud, AI, Jira, Linear, Agile 🏢 Description: We’re a well-knit digital design studio working with products, brands and (no-)code. Founders come to us because we help them define, build and scale their MVPs. That means we gotta think beyond “u mnie działa” (though we love all the memes). You’re free to do the job your way, but the team is there for you. Doesn’t matter if you’re just in a pickle or need a real talk about your career — there’s always folks happy to give you a hand. And hey, we’re not here to point the finger at what to do. If you see something we can improve or know how to reach our goals — do it and get your cred. The team is already asking about you. Don't make them wait, apply! Your day-to-day Developing and maintaining the product roadmap & ensuring alignment with the project vision. Collaborating with cross-functional teams, including product design, engineering, no-code, to ensure that the product meets the desired specifications Defining growth metrics for individual products in cooperation with the team Writing code with help of AI to match the best standards of product development. Ensuring the product is scalable, reliable, and secure Testing the product thoroughly to identify and fix any issues before launch Monitoring the product's performance and user feedback after launch, iterating and improving as necessary It's a match if you're like this Proven experience as a Fullstack Developer or a similar role, with a portfolio of successful web-based products Solid skills how to leverage AI tooling for productivity gains. Strong knowledge of modern web development languages, TypeScript/JavaScript, and at least one of Python, Rust, C#. Experience with React/JSX-based web frameworks, preferably Next.js (app directory) Strong understanding of cloud computing platforms, networks, and associated technologies like Docker, CDN, Edge Workers, etc. Knowledge of data modeling and relational databases preferably PostgreSQL Architecture design skills Familiarity with Agile development methodologies and project management tools such as Jira or Linear Excellent communication and collaboration skills Passion for innovation and a desire to stay up-to-date with the latest development trends and technologies (nice to have) Bachelor's degree in Computer Science, Engineering, or a related field If you are a highly motivated and skilled Fullstack Developer looking for an exciting opportunity to create innovative products from scratch, we invite you to apply for this position. What you get Work wherever & whenever you want (but bonus points for being relatively close to our HQ) Unlimited budget for growth Unlimited hardware & software budget Paid time off and sick leave No overtime (but paid double if you volunteer) Dinners, retreats, and workations Worksmile cafeteria plan The process 1. You first Hit that big Apply button and tell us about yourself. 2. Vibe check Let’s jump on a call, so we can both figure whether it’s a fit. 3. Show off We’ll ask you to do a little task (that we’ll pay for) so we can see your wizardry. 4. Join the team One last interview to talk details and that’s it, you’re on board! Find out more at tonik.com
Technology

Duolingo
Senior Product Designer
Senior
On-site
Seattle, WA
150,000 - 200,004 USD/yr
🏢 Summary: Product Designer role focused on crafting high-quality, playful learning experiences across Duolingo’s mobile apps, website, and communications. The position involves leading design workstreams, prototyping high-fidelity experiences, and collaborating closely with engineers and product managers. It emphasizes strong visual craft, interaction detail, and impact at scale within a fast-paced product organization. 🗂️ Requirements: Online portfolio featuring simple consumer mobile apps, Strong visual design and interaction design skills, Ability to create high-fidelity prototypes quickly, Experience shipping products at scale, Ability to clearly explain design decisions, Openness to feedback and iteration, Ability to solve complex problems in ambiguous environments 📃 Skills: Prototyping, UI, UX, Mobile, Animation, LLM, AI 🏢 Description: Our mission is to develop the best education in the world and make it universally available. Designers create high-quality experiences that look and feel fun. From animators to writers, product designers to researchers, Design brings purpose, feeling, and delight to every interaction with the brand, inside the app and out. As a designer, you’ll join a culture of creativity and craft, with a high bar for excellence and curiosity about bringing unexpected quirk and fun to learning. About the role This role is part of the Design team, partnering with designers and cross-functional teammates on features across mobile apps, website, and communications. From polishing learner flows to supporting campaigns and community moments, you’ll help shape friendly, intuitive experiences. You’ll grow your skills while contributing to user-friendly and engaging work, focusing closely on craft and detail. You will: - Design and prototype simple, playful learning experiences for the app - Drive large work streams independently and lead initiatives - Act as a peer leader and mentor within the Design team - Collaborate with designers and artists to expand the design language - Partner with engineers and product managers to define product direction and execution - Consider all aspects of the user experience, including animation, copy, UI, and business impact You have: - An online portfolio featuring simple consumer mobile apps - Strong visual design and interaction design skills - Fluency in creating high-fidelity prototypes quickly - Experience shipping products at scale in a product organization - Ability to clearly explain your work and decisions - Openness to feedback - Courage to solve complex problems in ambiguous environments Exceptional candidates will have: - Ability to make decisions quickly - Experience using AI and LLMs to generate ideas - Deep understanding of brand and its business impact - Skills in motion and UI animation - Demonstrated career growth and strong performance history Compensation: Base salary range: $150,000—$200,000 USD. Base salary is supplemented by equity compensation.
Technology
Web Impact
Fullstack Engineer (AI, Distributed Systems, Automation)
Mid
Remote
Krakow, Poland
14,000 - 20,000 PLN
🏢 Summary: Frontend-leaning Fullstack Engineer role building high-scale SaaS systems with modern React/Next.js frontends and Node.js/NestJS backends, heavily leveraging AI tools and automation. You will design APIs, async systems, and event-driven architectures, integrate external services, and ship MVPs to production with ownership and speed. The role emphasizes AI-driven workflows, rapid experimentation, and scalable, production-ready systems. 🗂️ Requirements: 2.5+ years professional full-stack experience, Strong React.js and Next.js skills, Backend experience with Node.js (NestJS preferred), Experience integrating external APIs (auth, pagination, retries, rate limits), Hands-on experience with modern AI tools (OpenAI, Claude, Cursor), Strong SQL skills (PostgreSQL preferred), Experience with async processing, queues, background jobs, Understanding of reliable systems (error handling, retries, observability), Fluent English and Polish 📃 Skills: React, Next.js, Node.js, NestJS, SQL, PostgreSQL, REST, WebSockets, OpenAI, Claude, Cursor, LavinMQ, BullMQ, Kafka, AWS, GCP, Fly.io, DigitalOcean, BigQuery, ClickHouse, Golang, Elixir, Rust, gRPC, GitLabCI 🏢 Description: At Web Impact, we’re more than just an email marketing agency and digital solutions provider. We build cutting-edge, socially impactful products that redefine how businesses operate in the digital world. We’re looking for a frontend-leaning Fullstack Engineer who enjoys building complex systems, integrating external services, and leveraging AI tools to speed up development and automate workflows. If you’re excited about combining modern frontend development with AI-driven workflows and automation tools like Claude Code, Cursor, and LLM frameworks , this one is for you. What You’ll Do Develop and contribute to end-to-end features across SaaS products and internal tools, collaborating with senior engineers on architecture and implementation decisions. Build modern, high-performance frontends using Next.js and React.js Develop scalable backend services using Node.js / NestJS Design and integrate APIs (REST, WebSockets, external services) Build and maintain automation workflows and background jobs Work with async systems, queues, and event-driven architectures Integrate third-party services with real-world constraints (rate limits, retries, auth flows) Use AI tools to improve development speed, testing, and automation Collaborate directly with product, data, and leadership teams Build MVPs, proof-of-concepts, and new product ideas from scratch Rapidly validate business ideas through experimentation and iteration Help evolve successful prototypes into production-ready systems AI & Automation This role includes working with modern AI tooling and automation systems, with a strong focus on speed, ownership, and execution : Using tools like Claude Code, Cursor, and OpenAI SDK in daily development Building AI-driven workflows and integrations quickly and iteratively Automating repetitive processes (data handling, content, integrations) Applying LLMs in production with a pragmatic, results-first approach Taking ownership of problems - from idea to production Shipping fast, testing in real conditions, and iterating based on outcomes Being accountable for delivery - not just writing code, but making things work end-to-end Prioritizing execution over perfection - speed is key What We’re Looking For 2,5+ years of professional full-stack experience Strong frontend skills in React.js / Next.js Backend experience with Node.js (NestJS preferred) Experience integrating external APIs (auth, pagination, retries, rate limits) Hands-on experience with modern AI tools (OpenAI, Claude, Cursor, etc.) Good SQL skills (PostgreSQL preferred) Experience working with async processing, queues, and background jobs Understanding of building reliable systems (error handling, retries, observability) Strong communication skills and ability to work cross-functionally Fluent in English and Polish Nice to Have Experience with Rust (async, Tokio, Axum) Experience with Elixir (Phoenix LiveView, GenServer) Understanding of distributed systems and architectures Experience with multi-region deployments and geo-distributed infrastructure Experience building systems with high parallelism (a large number of workers processing jobs concurrently) Familiarity with distributed databases and data consistency trade-offs Experience with multi-tenancy architectures (tenant isolation, scaling strategies) Experience working with high-throughput event pipelines Our Tech Stack Frontend: Next.js, React.js Backend: Node.js, NestJS, Golang, Elixir, Rust Data: PostgreSQL, BigQuery, ClickHouse Infra: AWS, Fly.io , Google Cloud, DigitalOcean Queues & Workers: LavinMQ, BullMQ, Kafka CI/CD: GitLab CI AI/ML & Automation: Proprietary GenAI models, OpenAI, Claude, internal tooling Integrations: REST, gRPC, WebSockets, external APIs with rate limits Why Join Us? Work on high-scale SaaS systems processing hundreds of millions of events daily , with real-time pipelines and data-heavy workloads. Ownership from day one - influence architecture, technology choices, and product direction. Collaborate with world-class engineers, AI specialists, and PMs. Innovation-first culture - explore cutting-edge frameworks and architectures. Fast execution, minimal bureaucracy, no unnecessary meetings Opportunity to work with modern AI tooling in production Competitive senior-level compensation and career growth. Social impact - contribute to automation products that empower businesses and communities. Our Streamlined Hiring Process Initial call Technical deep dive with our team Decision