Senior Frontend Software Engineer

Fresha

The AI-powered OS for beauty, wellness and self-care About Fresha Fresha is the AI-powered operating system for the global beauty, wellness and self-care industry, connecting and powering everything from salons and barbers to spas, medspas, fitness studios and health practices. Trusted by millions of consumers and businesses worldwide. Fresha is used by 140,000+ businesses and 450,000+ stylists and professionals worldwide, processing over 1 billion appointments to date. The company is headquartered in London, United Kingdom, with 15 global offices located across North America, EMEA and APAC. Fresha allows consumers to discover, book and pay for beauty and wellness appointments with local businesses via its marketplace, while beauty and wellness businesses and professionals use an all-in-one platform to manage their entire operations with an intuitive business software and financial technology solutions.   Fresha’s ecosystem gives merchants everything they need to run their business seamlessly by facilitating appointment bookings, point-of-sale, customer records management, marketing automation, loyalty, beauty products inventory and team management.   The consumer marketplace unlocks revenue potential for partner businesses by leveraging the power of online bookings and automated marketing through mobile apps and advanced integrations with major tech brands including Instagram, Facebook and Google. Role overview Given our exciting and progressive growth plans, we are seeking an exceptional Senior IT Operations Engineer to join our global business.   Reporting directly to the IT Manager and working collaboratively with the Security and Compliance teams, you will be accountable for enabling our international workforce to do their jobs effectively through reliable IT infrastructure and support, ensuring compliance with company and security standards at Fresha.    This is a great opportunity for someone looking to work in a fast-paced and dynamic environment who enjoys working autonomously, likes to take on challenges, and wants to make a meaningful impact.   To foster a collaborative environment that thrives on face-to-face interactions and teamwork, this role will be based in our office 5 days per week in Warsaw - 20th Floor, Aleje Jerozolimskie 81, 02-001 Warsaw, Poland 

RTB House

We are:  RTB House is a global company that provides state-of-the-art marketing technologies for top brands and agencies worldwide. Our proprietary ad-buying engine is the first in the world to be powered entirely by Deep Learning algorithms, enabling advertisers to achieve outstanding results and meet their goals at every stage of the funnel. Join RTB House and lead our AI Engineering Lab, a team dedicated to pioneering innovation and boosting engineering productivity by leveraging the latest advancements in Agentic AI. We are looking for a hands-on technical leader with a strong, traditional software engineering background. In this role, you won't just be writing custom code from scratch. You will be an architect of efficiency. Our approach is highly pragmatic: we build internal tools and autonomous agents to supercharge our engineering workflows. You will be expected to navigate the "build vs. buy/integrate" landscape, determining when to leverage off-the-shelf LLM products and when to architect a custom, high-performance solution. You will: * Drive Technical Excellence: Act as a technical pillar within the Lab, implementing high-standard code and sophisticated system designs. You will mentor mid-level peers and lead deep-dive code reviews. * Architect Multi-Agent Systems: Design and deploy distributed systems and multi-agent architectures that automate complex engineering tasks. You will own the architectural decisions for "build vs. integrate" strategies. * Innovate with Agentic AI: Spearhead the evaluation and prototyping of LLMs, Agentic frameworks, and Model Context Protocols (MCPs). You will transform theoretical AI advancements into production-ready tools. * Own the Full Lifecycle: Take responsibility for the entire development cycle. From initial concept and API integration to production deployment and long-term scalability. * Influence Product Strategy: Partner with Product and Engineering Managers to ensure the Lab’s innovations align with the broader company roadmap and provide measurable ROI to our developers. Desired experience: * Pragmatic Architect: Proven ability to evaluate third-party tools and vendor solutions against custom-built software to find the most efficient path forward. * Technical Stack: High proficiency in Python is mandatory. Significant experience with at least one other language (Java, Go, TypeScript, or Scala) is highly preferred. * AI/ML Implementation: Hands-on experience integrating LLMs into production environments. * Systems Thinker: Ability to define technical roadmaps for specific features and drive high-level design choices that prioritize maintainability and performance. * C1 level in English and Polish. Nice to have: * Direct experience building internal developer tools, custom Model Context Protocols (MCPs), or using Agentic AI frameworks (e.g., Vercel AI SDK, LangChain, AutoGen, Agent Development Kit). * Experience with cloud platforms (AWS, GCP, Azure) and containerization technologies (Docker, Kubernetes). * Familiarity with the ad-tech industry and real-time bidding (RTB) systems. We offer: * Projects focused on extreme performance and high code quality – clean code and solid code reviews are our standard. * Collaboration within an interdisciplinary, self-sufficient team (including DevOps, database experts, backend developers, product designers, and QA engineers). * Access to modern technologies and the opportunity to apply them in large-scale, high-impact projects. * Cooperation based on B2B contract. * You can cooperate 100 % remotely or choose one of our office spaces in Warsaw or Cracow.

Pigment

Join Pigment: The AI Platform Redefining Business Planning   Pigment is the AI-powered business planning and performance management platform built for agility and scale. We connect people, data, and processes in one intuitive, feature-rich solution, empowering every team—from Finance to HR—to build, adapt, and align strategic plans in real time.   Founded in 2019, Pigment is one of the fastest-growing SaaS companies globally. Industry leaders like Unilever, Snowflake, Siemens, and DPD use Pigment daily to make more informed decisions and confidently navigate any scenario.   With a team of 600+ across Paris, London, New York, Toronto, San Francisco and Austin, we've raised nearly $400M from top-tier investors and were named a Visionary in the 2024 Gartner® Magic Quadrant™ for Financial Planning Software.   At Pigment, we take smart risks, celebrate bold ideas, and challenge the status quo—all while working as one team. If you're driven by innovation and ready to make an impact at scale, we’d love to hear from you. 🚀 The Opportunity:   Join our Product Community team as a Frontend Software Engineer and play a key role in shaping cutting-edge user experiences! You'll work on exciting, high-impact projects ranging from AI-powered features to rich data visualizations while collaborating closely with talented backend engineers and product managers.   Here’s why this is an exciting opportunity:   ✨ Innovate with AI: Implement intelligent features that guide users and streamline complex workflows. 📊 Visualize Complex Data: Build and optimize advanced data visualizations like charts, maps, and real-time dashboards. 🎨 Shape the Design System: Influence and maintain our proprietary design system to deliver consistent, high-performance UIs.🔍 Tackle Real Challenges: Solve complex problems involving large datasets, real-time updates, and system performance. 📈 Drive the Future: Be part of a forward-thinking team that embraces new technologies and continuous learning.   If you're passionate about building elegant, scalable UIs and enjoy collaborating across teams, this is the perfect place to grow your career!   Who You Are:   We value strong software engineering skills and a proactive mindset. You should be able to translate complex functional requirements into elegant designs and high-quality code. You are also comfortable working across teams to ensure the frontend experience aligns with backend capabilities.   In any case, you have:   Strong experience as a software engineer working on production systems. Proven expertise in building scalable UIs with React and TypeScript. A track record of collaborating with backend engineers to shape API design and optimize data consumption. Experience working with design systems, performance optimization, and handling large datasets. Strong communication skills and a problem-solving attitude. A good dose of humility and the willingness to grow (no matter your seniority!). A fluent level in English (French is not required).   Your Responsibilities:   Build and maintain user interfaces for client-facing features, ensuring high-quality and performant UI delivery. Collaborate with backend engineers and product managers to design, develop, and deliver new features while offering technical input on API design and data handling. Implement and enhance AI-driven capabilities that assist users with complex workflows (e.g., generating actionable insights). Develop advanced data visualizations (charts, maps, dashboards) that provide users with real-time, interactive insights. Contribute to and maintain our internal design system, including custom caching mechanisms and advanced state management solutions. Continuously balance delivering new features with ongoing maintenance and performance optimization. Proactively identify and resolve issues while ensuring continuous delivery and improving technical processes.   Current Projects You'll Work On:   AI Capabilities: Implementing intelligent features that guide users and enhance their workflows. Data Visualizations: Building and optimizing rich, interactive views to present complex datasets clearly and efficiently. Design System: Maintaining and evolving our proprietary design system to improve development speed and UI consistency. Technology Migration: Evaluating and adopting new technologies to keep our platform modern and efficient.   Technical Challenges:   Balancing feature delivery with system maintenance and performance improvements. Implementing real-time updates and managing large-scale data visualizations. Collaborating across teams to influence API design and ensure seamless frontend-backend integration.   Our Tech Stack:   Languages & Frameworks: React (TypeScript) Testing Tools: Vitest (unit testing), Cypress (E2E testing) Build Tools: Vite (for local development and production bundling) Custom Solutions: Internal design system, advanced caching mechanisms, and proprietary state management built on top of open-source technologies.   About the Team:   Mission: Deliver client-facing features that enhance the user experience while providing technical leadership and guidance on UI decisions. Structure: Product Community is a collaborative group of teams (e.g., AI, Views) responsible for different areas of the product. Engineers are encouraged to share knowledge and can move across squads based on their interests. Size: Approximately 30 engineers across the Product division, working in small, focused squads with a mix of frontend and backend specialists. Collaboration: Regularly engage with backend engineers, product managers, and designers to deliver robust, user-centric solutions.   #LI-REMOTE #LI-CK1