Senior Frontend Engineer, Frontend Platform

🏢 Summary: Senior Full Stack Developer role focused on building and evolving scalable platform features, primarily with PHP and Symfony, while delivering high-performance Vue.js interfaces using server-side rendering. The position owns features end to end, contributes to architectural decisions, and collaborates with a distributed product and engineering team. 🗂️ Requirements: 5+ years of full-stack development experience, Production-ready application delivery experience, Strong PHP expertise, Symfony framework experience, Scalable architecture and software design knowledge, Vue.js experience, Server-side rendering experience, Git proficiency, Modern collaborative development workflow experience, Complex technical problem-solving skills, Effective communication in a distributed global team 📃 Skills: PHP, Symfony, Vue.js, SSR, Git 🏢 Description: What it's all about The Team: At JobLeads, we believe careers should be shaped with purpose, confidence, and opportunity. That’s why we build technology that helps professionals around the world take control of their career journeys. Behind that mission is our Tech Team, a vibrant, globally distributed group of builders, thinkers, and collaborators who care deeply about the experiences we create. We’re a team that values curiosity, ownership, and human connection. We collaborate across borders and time zones, challenge each other to grow, and celebrate the wins-big and small-along the way. From your very first day, you’ll feel it: this is a place where ideas are welcomed, contributions matter, and people genuinely enjoy working together. Your Role: We’re looking for a Senior Full Stack Developer who thrives on building elegant systems and meaningful user experiences. In this role, you’ll help shape the architecture and performance of the platform that powers JobLeads, primarily working on our backend systems with PHP and Symfony while also contributing to dynamic, high-performance interfaces using Vue.js and Server-Side Rendering. But this role goes beyond simply writing code. You’ll help drive technical decisions, influence the evolution of our platform, and play a key part in delivering products that empower millions of professionals worldwide. What You'll Be Doing: Design and develop scalable backend services using PHP and Symfony, ensuring performance, stability, and maintainability across the platform. Build responsive, high-performance front-end experiences with Vue.js and Server-Side Rendering, bridging design and functionality seamlessly. Collaborate closely with product managers, designers, QA engineers, and fellow developers to bring ideas from concept to launch. Participate in thoughtful code reviews that elevate code quality, strengthen architecture, and support team learning. Explore emerging technologies and propose improvements that help evolve and modernize our tech stack. Take ownership of features from initial concept through implementation, optimization, and continuous improvement. What You'll Need: 5+ years of experience in full-stack development, delivering production-ready applications. Strong expertise in PHP and a deep understanding of software design principles and scalable architecture. Extensive hands-on experience with the Symfony framework. Proven experience building modern front-end interfaces with Vue.js and Server-Side Rendering. Proficiency with Git and modern collaborative development workflows. A strategic, problem-solving mindset with a passion for tackling complex technical challenges. Clear and effective communication skills, especially when collaborating with a distributed global team. Nice If You Have: Experience working with MySQL and ORM frameworks such as Doctrine. Strong front-end fundamentals, including HTML5, CSS3, and modern JavaScript practices. What You Can Expect On Board: Fully remote work - collaborate with us from wherever you do your best work. Flexible hours designed to support both productivity and personal balance. The freedom to choose your preferred equipment so you can work comfortably and effectively. Competitive compensation aligned with your expertise and impact. A diverse, supportive team culture that values openness, collaboration, and fresh ideas. Opportunities for professional growth through learning resources, training, and conference support. The chance to build technology that genuinely improves the lives of job seekers around the world. Memorable team experiences, from EU meetups to our annual company summer getaway. The excitement of a startup mindset combined with the stability of a well-established company. At JobLeads, your work won’t just power a platform, it will help millions of professionals discover new opportunities, pursue meaningful careers, and shape their futures with confidence. If you’re passionate about great technology, inspired by purposeful work, and excited to collaborate with a talented global team, we’d love to hear your story. Apply now with your CV in English, and let’s build something that truly matters, together. About us At JobLeads our mission is to enable jobseekers to land a better job faster. On this mission we are digitizing every aspect of career coaching to make it accessible and affordable to every jobseeker worldwide. We are active in 40+ countries and our products reach over 4 million users monthly. We are a fully remote company with a positive, diverse, and supportive culture. We look for people who are curious, inventive, analytical and work to be a little better every single day. We aim to be smart, humble, hardworking and, above all, collaborative.

🏢 Summary: Senior Backend Engineer role focused on building and maintaining multi-cloud Java services in a microservices, event-driven environment. The position includes test automation, production-code optimization, technical problem-solving, and support for service providers. 🗂️ Requirements: 4+ years of web development experience in similar environments, Bachelor’s degree in Computer Science, Information Security, or related technology field, Java 8, Spring, and Spring Boot expertise, Microservices and event-driven systems experience, Code and business-process documentation experience, Complex requirements and business-process analysis experience, Internal tools and reusable architecture development experience, Production code optimization and performance improvement experience, Application debugging, refactoring, and production-issue reproduction experience, JUnit and Mockito testing experience, Git experience, Commitment to code quality and ownership, Strong problem-solving and continuous-improvement approach, Upper-intermediate English 📃 Skills: Java, Spring, SpringBoot, Microservices, JUnit, Mockito, Git, AWS, ECS, SNS, SQS, RedShift 🏢 Description: ID77083 AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards. Why join us If you're looking for a place to grow, make an impact, and work with people who care, we'd love to meet you! :) About the role We are looking for a Senior Backend Engineer to develop and maintain multi-cloud platform services using Java 8 and Spring Boot , contributing to microservices architecture and event-driven systems within a small, high-ownership team. You will optimize production code, write unit and system tests using JUnit and Mockito, support complex business requirements gathering, and monitor service providers in the field. Experience in financial, accounting, or logistics software is a strong plus. What you will do Develop multi-cloud platform services as part of a small engineering team; Build and maintain automation frameworks to execute developer-written tests in private and public cloud environments; Optimize code, ensure engineering best practices are followed, and support the team in resolving technical challenges; Monitor and support service providers using the application in the field. Must haves 4+ years of experience in web development in similar environments; Bachelor’s degree in Computer Science, Information Security, or a related technology field; Strong knowledge of Java 8 , Spring , and Spring Boot ; Experience with Microservices and event-driven systems; Experience creating documentation for code and business processes; Experience gathering and navigating complex requirements and business processes; Experience developing internal tools and reusable architecture; Experience optimizing code and improving performance for production systems and applications; Experience debugging, refactoring applications, and reproducing production issues; Experience with testing frameworks including JUnit and Mockito ; Experience with Git ; Commitment to code quality and ownership of developed applications; Strong problem-solving skills with a proactive approach to continuous improvement; Upper-intermediate English level. Nice to haves Experience working with financial or accounting backends; Experience with Test-Driven Development (TDD); Experience with logistics software, delivery, transportation, route planning, or roadside assistance domains; Experience with AWS services such as ECS, SNS, SQS, and RedShift; Experience in architectural design, code reviews, and SOLID principles. The benefits of joining us Professional growth Accelerate your professional journey with mentorship, TechTalks, and personalized growth roadmaps Competitive compensation We match your ever-growing skills, talent, and contributions with competitive USD-based compensation and budgets for education, fitness, and team activities A selection of exciting projects Join projects with modern solutions development and top-tier clients that include Fortune 500 enterprises and leading product brands Flextime Tailor your schedule for an optimal work-life balance, by having the options of working from home and going to the office – whatever makes you the happiest and most productive. Meet Our Recruitment Process Asynchronous stage – An automated, self-paced track that helps us move faster and give you quicker feedback: Short online form to confirm basic requirements 30–60 minute skills assessment via Codility – a platform founded in Poland that helps us provide quicker feedback and streamline this stage of the process. 5-minute introduction video Synchronous stage – Live interviews Technical interview with our engineering team (scheduled at your convenience) Final interview with your future teammates If it’s a match — you’ll get an offer!

🏢 Summary: Backend Engineer role focused on building and operating the AI inference and orchestration systems behind a production AI assistant. The position emphasizes low-latency, high-throughput APIs, distributed-system reliability, observability and performance optimization for mobile, desktop and machine-learning integrations. Remote-first collaboration is available for a candidate working from Poland, with base salary and equity assessed individually. 🗂️ Requirements: Production backend engineering experience, High-throughput, low-latency service experience, AI inference familiarity: LLMs, embeddings, multimodal models, Distributed-systems debugging under load, Production observability and incident-management knowledge, Performance-optimization expertise, Independent delivery in ambiguous environments, Working from Poland, Working-hours overlap with immediate team 📃 Skills: Python, Node.js, PyTorch, OpenAI, Anthropic, LLMs, Embeddings, SQL, NoSQL, Kubernetes, Docker, APIs, Caching, Batching, Streaming, Logging, Alerting 🏢 Description: About the product Our client is developing an AI-native assistant designed to support everyday communication, organization, errands and complex workflows with minimal user input. The product must reliably manage long-running processes, retain context, interact with external tools and complete real-world tasks despite the non-deterministic nature of modern AI models. The company’s objective is to make everyday activities significantly faster and easier for users. About the role As a Backend Engineer specializing in AI systems, you will own the inference and orchestration layer behind the product’s AI interactions. Your work will sit between models and end users, where latency, correctness, reliability and operating costs directly affect the product experience. You will build and operate production systems that transform model capabilities into fast, stable and observable APIs used by mobile and desktop applications. What you will do Build and operate backend systems serving AI-powered functionality in production. Design inference pipelines, orchestration layers and service boundaries around Machine Learning models. Take ownership of production monitoring, logging, alerting and incident response. Optimize latency and throughput across inference, caching, batching and streaming. Build reliable APIs supporting integration with mobile, frontend and Machine Learning systems. Diagnose distributed-system issues under production load. Continuously improve system performance and reliability using real-world production signals. What we are looking for Strong backend engineering fundamentals supported by experience with production systems. Experience building or operating high-throughput, low-latency services. Familiarity with AI inference patterns, including LLMs, embeddings and multimodal models. Confidence debugging distributed systems under load. Understanding of production observability, incident management and performance optimization. A delivery-oriented mindset focused on shipping, observing production behavior and improving through iteration. Ability to work independently and make pragmatic engineering decisions in an ambiguous environment. What success looks like Backend systems reliably handle production AI traffic at scale with low latency and high throughput. APIs remain stable, clear and easy to integrate with frontend, mobile and Machine Learning systems. Production incidents are detected quickly, diagnosed effectively and resolved with minimal impact on users. System performance and reliability improve continuously based on real-world usage and production data. Technology stack Python Node.js PyTorch OpenAI, Anthropic and open-source LLMs SQL and NoSQL databases Kubernetes Docker Compensation and employment The position is offered under an employment contract. The company does not publish a fixed external salary range. Compensation is assessed individually based on: professional experience and technical capability, scope of responsibility, location and relevant market benchmarks, expected impact on the product and organization. Candidates may share their expected compensation at the beginning of the recruitment process. The compensation package consists of a base salary and equity, with flexibility for exceptional candidates. A company laptop will be provided where required for the role. Remote work and global collaboration The company operates as a remote-first, globally distributed organization. There is no fixed company-wide working schedule and no requirement to follow one specific time zone. Team members are expected to maintain sufficient working-hours overlap with their immediate colleagues to collaborate effectively. The successful candidate will work from Poland and collaborate with backend, Machine Learning, mobile and product specialists located across different regions. Poland-based employees join existing global teams rather than a separate local team. The exact reporting line and hiring manager will be confirmed during the recruitment process. How the team works The company believes that outstanding products are built by small, highly capable and hands-on teams. Decisions are made collaboratively, while individuals are expected to take ownership, bring structure to ambiguous problems and execute independently. The team moves quickly while balancing production quality, experimentation and continuous learning from real user behavior. There is no fixed hiring quota for this position. The company is focused on identifying engineers who meet its technical and ownership standards rather than filling a predetermined number of seats. Recruitment process The standard recruitment process consists of up to four stages: Technical assessment, where relevant to the candidate’s background. HR interview. One or more technical interviews. Founder or leadership interview. Particularly strong candidates may be fast-tracked directly to the technical interview stage based on their experience and previous work. Applications are evaluated by members of the technical team. Interviews may be conducted virtually and, where relevant, onsite. The exact format and interviewers may vary. The company aims to make decisions efficiently and provide candidates with a prompt outcome.