Senior Backend Engineer

🏢 Summary: Senior Full Stack Engineer role focused on building and delivering high-quality SaaS applications in a microservices environment. Involves end-to-end development across backend and frontend, collaborating in Agile teams to design, implement, and run scalable features in production. Strong emphasis on Java, Spring, and modern Angular development. 🗂️ Requirements: 5+ years Full Stack Software Engineering experience, Strong knowledge of Java 21, Experience in microservices architecture, Proficiency in Spring (Core, Data JPA, MVC, Boot, Security), Experience with SQL and REST APIs, Strong TypeScript and modern Angular (v15+) experience, Proficiency in JavaScript, HTML5, CSS3/SCSS, Experience with RxJS and state management (NgRx or NGXS), Knowledge of Object-Oriented Design and software design principles, Experience designing scalable frontend and backend systems, Familiarity with testing frameworks for frontend and backend, Experience working in Agile environment 📃 Skills: Java, Spring, SQL, REST, Spock, TypeScript, JavaScript, HTML5, CSS3, SCSS, Angular, RxJS, NgRx, NGXS, Docker, Kubernetes, CI/CD, SAML, OAuth, OpenID, AWS, CQRS, SOA 🏢 Description: Senior Full Stack Engineer Background Ziflow is the leading creative collaboration platform helping agencies and brands streamline feedback and approval for creative assets — from concept to delivery. Our customers include Toyota, McCann Worldgroup, AWS, Doordash, Williams Sonoma, and Bark. Founded in 2016, Ziflow serves thousands of customers globally, with team members in the US, UK, Poland, Canada, and South Africa. Our executive team has a proven track record of building, scaling, and successfully exiting SaaS businesses — and we’re just getting started. Join us to help build a world-class team that creates world-class work. The role You will work closely with our CTO and Product Team to produce a high quality product. You will be involved in every aspect of the product development process, from the conception of new features, collaborating with the Design and SysOps teams, to successfully running your code in production. You will be working in a formal Agile environment to develop high quality applications based on requirements and designs. Qualifications 5+ years of experience in a Full Stack Software Engineering role. Strong knowledge of Java 21, preferably in a microservices environment. Solid experience with Object-Oriented Design & Analysis and software design principles. Hands-on experience with Spring (Core, Data JPA, MVC, Boot, Security), SQL, REST APIs, Spock, and related backend technologies. Strong front-end development experience with TypeScript, JavaScript, HTML5, CSS3/SCSS, and modern Angular (v15+ preferred). Experience building responsive, accessible, and high-performance web applications. Proficiency with RxJS, state management patterns (NgRx/NGXS or similar), and Angular component architecture. Experience designing and implementing scalable, maintainable systems across both frontend and backend layers. Familiarity with testing frameworks and practices for both frontend and backend applications. Desirable Skills Experience with SOA and distributed systems. Familiarity with Docker, Kubernetes, and Continuous Integration/Continuous Delivery (CI/CD) practices. Experience with authentication and authorization technologies such as SAML, OAuth, OpenID Connect, and integrations with third-party APIs (Google, Dropbox, etc.). Some experience with Event Sourcing and CQRS. Familiarity with AWS services and cloud-native architectures. Experience optimizing frontend performance, browser APIs, and web accessibility. Knowledge of HTML5 Canvas and modern web platform capabilities. Experience working in Agile software development environments. Excellent communication and collaboration skills, with the ability to work effectively within cross-functional Scrum teams.

🏢 Summary: The offer is for a HubSpot Web Developer responsible for implementing and optimizing web properties, ensuring high performance, technical SEO, and excellent user experience. The role involves close collaboration with marketing and product teams, executing pixel-perfect designs, and driving continuous improvement through testing and data analysis. 🗂️ Requirements: 2+ years of experience in web development, Experience with HubSpot CMS, Strong knowledge of HTML, Strong knowledge of CSS, Proficiency in JavaScript (ES6), Experience with Sass (SCSS), Hands-on experience with GIT, Basic knowledge of Node.js, Knowledge of SEO optimization, Knowledge of Responsive Web Design (RWD) 📃 Skills: HubSpot, HTML, CSS, JavaScript, ECMAScript, Sass, SCSS, GIT, Node.js, SEO, RWD 🏢 Description: Web Developer (HubSpot) Background Ziflow is the leading creative collaboration platform helping agencies and brands streamline feedback and approval for creative assets — from concept to delivery. Our customers include Toyota, McCann Worldgroup, AWS, Doordash, Williams Sonoma, and Bark. Founded in 2016, Ziflow serves thousands of customers globally, with team members in the US, UK, Poland, Canada, and South Africa. Our executive team has a proven track record of building, scaling, and successfully exiting SaaS businesses — and we’re just getting started. Join us to help build a world-class team that creates world-class work. The role As a HubSpot Web Developer, you will play a critical role in shaping Ziflow’s digital presence. You will work closely with our Creative, Content, and Demand Generation teams to translate creative designs into high-performing web properties. You will be involved in every aspect of our web presence, from the execution of new designs and collaborating with stakeholders, to monitoring technical SEO and GEO performance and user experience. We are looking for a "digital native" who is calm when priorities shift. In our fast-moving marketing environment, you’ll need to adapt to last-minute requests without missing a beat, bringing solutions rather than friction when things change. You shouldn't just want to code; you should feel empowered to take ownership and suggest new ideas on how to make our website experience world-class. This role requires someone who is a collaborative team player, comfortable self-managing, and capable of explaining technical concepts clearly to any audience. Responsibilities Execute designs for our web properties, ensuring pixel-perfect implementation. Work closely with content and demand generation teams to plan for upcoming changes and additions to the website. Evaluate and suggest tuning opportunities for performance and user experience improvements. Monitor our landing pages and forms for issues and identify areas for improvement through methodical A/B testing. Maintain knowledge of industry best practices related to conversion and technical SEO optimization. Analyze data to determine whether new additions or changes to our website have been productive. Collaborate with the product team as needed to help with product-related development. Qualifications Work experience in a similar web development role 2+ years. Experience with the HubSpot Content Management System (CMS). Strong knowledge of HTML & CSS, including layout, specificity, cross-browser compatibility, and accessibility. Proficiency in JavaScript and familiarity with the ECMAScript 6 specification. Working experience with Sass (SCSS syntax). Hands-on experience with GIT and basic knowledge of Node.js. Good knowledge of SEO optimization and Responsive Web Design (RWD). Strong organizational and prioritization skills, with the ability to remain flexible and deliver multiple projects within marketing sprints. Desirable Skills Experience in Agile software development practices and marketing workflows. Excellent communication skills, able to collaborate effectively with different groups and executive stakeholders. A proactive mindset towards testing and experimenting with new ideas to improve site performance.

🏢 Summary: Senior Full-stack Engineer role focused on building and scaling a modern B2B SaaS platform for subscription-based e-commerce. The position involves end-to-end feature delivery, architectural decisions, and improving system scalability and reliability. High-impact role with strong ownership over technical direction and product evolution. 🗂️ Requirements: 7+ years engineering experience in complex systems, Strong system design skills, Experience designing scalable architectures, Full-stack development experience, Experience building SaaS platforms, Experience with e-commerce systems 📃 Skills: JavaScript, TypeScript, SaaS, Architecture, Scalability, Reliability, APIs, Ecommerce, Payments, Cloud 🏢 Description: Senior Full-stack Engineer Our client is building a modern B2B SaaS platform that enables businesses to launch and scale subscription-based models for physical and digital products. The product sits at the intersection of e-commerce, payments, and developer tooling, with a strong focus on extensibility and developer experience. The team is lean, senior, and highly experienced, backed by strong investors and industry advisors. They operate with high autonomy, fast execution, and strong ownership culture. Role We are looking for a Senior Full-stack Engineer to help shape the next evolution of the platform. You will work across architecture, product, and infrastructure, focusing on scalability, reliability, and developer experience. This is a high-impact role where you will influence both technical direction and product decisions. Responsibilities Build and evolve a scalable SaaS platform Design and deliver new features end-to-end Improve performance, reliability, and system architecture Collaborate with product, design, and growth teams Requirements 7+ years of engineering experience in complex systems Strong architectural and system design skills Ability to choose appropriate technologies per problem Experience working in cross-functional teams Strong communication in Polish and English Startup mindset: ownership, speed, adaptability Experience with e-commerce platforms is a plus Offer High-impact role in a senior engineering team with real product ownership and influence. Competitive salary plus ESOP, fully remote work (Poland), regular team offsites, and modern tooling including MacBook Pro and AI credits. Direct access to founders, investors, and advisors.

🏢 Summary: Backend-focused Full Stack Developer role centered on designing and building scalable, secure Java-based applications within an Agile environment. The position emphasizes backend development with Spring Boot and microservices, while contributing to CI/CD, cloud deployments, and optionally modern React-based frontend components. You will develop high-performing systems, integrate APIs, and ensure code quality through testing and best practices. 🗂️ Requirements: 5+ years experience as Java Backend or Full Stack Developer, Strong proficiency in Java, Experience with Spring Boot, Hibernate, JPA, Experience building REST APIs and microservices, Knowledge of OAuth2 and JWT authentication, Experience with SQL and NoSQL databases, Experience with CI/CD pipelines, Experience with Docker and Kubernetes, Experience with AWS, Azure or GCP, Bachelor’s or Master’s degree in Computer Science or related field, Experience working in Agile teams 📃 Skills: Java, Spring, SpringBoot, Hibernate, JPA, REST, Microservices, OAuth2, JWT, PostgreSQL, MySQL, MongoDB, Redis, Jenkins, GitHubActions, GitLab, Docker, Kubernetes, AWS, Azure, GCP, React, Redux, TypeScript, HTML5, CSS3 🏢 Description: Overview We are a company leveraging AI to optimize business operations. Our mission is to provide digital solutions and consulting services that help companies grow and create value. By using modern technology, we simplify processes, increase efficiency, and discover new revenue opportunities—especially in private capital markets. Our ecosystem includes: PaaS (Platform as a Service): A core platform that enhances workflows, provides actionable insights, and supports value creation. SaaS (Software as a Service): A cloud platform offering robust performance and intelligent tools at scale. S&C (Solutions & Consulting): Flexible tools and methodologies to manage, grow, and improve company performance. With over 10 years of experience working with fast-growing companies and private equity businesses, we know how to harness technology to deliver tangible business advantages. Job Description We are looking for a Backend-Focused Full Stack Developer with strong Java expertise. While your main focus will be backend systems, experience with modern frontend technologies (React.js, TypeScript) is a valuable plus. You will join an Agile team to design, build, and maintain scalable, secure, and high-performing applications. Key Responsibilities Backend Development (Primary Focus) Develop and maintain REST APIs and microservices using Java (Spring Boot, Hibernate, JPA). Implement secure authentication, authorization, and data handling mechanisms. Design and optimize databases (PostgreSQL, MySQL, MongoDB) for performance and reliability. Integrate with third-party APIs, cloud services, and internal systems. Participate in deployment pipelines using CI/CD tools (Jenkins, GitHub Actions, GitLab CI/CD) and containerization (Docker, Kubernetes). Frontend Development (Nice-to-Have) Build responsive UI components using React.js, Redux, and modern JavaScript/TypeScript. Apply best practices in UI/UX design, performance optimization, and cross-browser compatibility. Work with UI frameworks like Material-UI, Bootstrap, or Tailwind CSS. Code Quality & Testing Write clean, maintainable, and well-documented code. Create unit and integration tests for backend services, and frontend components if applicable. Collaboration & Agile Development Collaborate with designers, product managers, and DevOps engineers. Participate in Agile/Scrum ceremonies and contribute to process improvement initiatives. Required Skills & Experience Backend Strong proficiency in Java , Spring Boot, Hibernate, JPA, and REST API development. Experience with microservices architecture and API Gateway. Knowledge of authentication/authorization protocols: OAuth2, JWT, sessions. Frontend (Optional / Nice-to-Have) Experience with React.js, Redux, TypeScript, HTML5, CSS3, and modern JavaScript. Understanding of state management and component-based design. Familiarity with UI libraries/frameworks: Material-UI, Bootstrap, or Tailwind CSS. Database & DevOps SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, Redis). CI/CD pipelines (Jenkins, GitHub Actions, GitLab CI/CD). Cloud platform experience (AWS, Azure, GCP) and containerization (Docker/Kubernetes). Qualifications Bachelor’s or Master’s degree in Computer Science, Engineering, or related field. 5+ years of experience as a Full Stack or Backend Developer (Java-focused). Experience working in Agile teams. Strong problem-solving and analytical skills. Soft Skills Excellent communication and teamwork abilities. Ability to manage multiple tasks in a fast-paced environment. Eagerness to learn new technologies and improve processes.

🏢 Summary: Senior Full-Stack Software Engineer role focused on building large-scale, cloud-based data processing solutions on AWS with a strong emphasis on serverless architectures. The position involves developing and maintaining web applications, APIs, and microservices while optimizing and modernizing existing cloud infrastructure. The engineer will collaborate across international teams to deliver scalable scientific and data-driven solutions. 🗂️ Requirements: Minimum 5 years of enterprise software development experience, Expert knowledge of Java with Spring and Hibernate or JPA, Strong understanding of microservices architecture and patterns, Expert knowledge of JavaScript and TypeScript, Experience with Angular or React and HTML5, Experience building REST APIs, Knowledge of SQL, NoSQL and graph databases, Strong AWS knowledge including core services, Hands-on experience with Docker, Experience with Git and GitOps workflows, Ability to deploy code to production environments, Experience working with Scrum methodology, Fluent English 📃 Skills: Java, Spring, Hibernate, JPA, JavaScript, TypeScript, Angular, React, HTML5, Git, GitOps, REST, SQL, NoSQL, AWS, S3, IAM, EC2, ECR, ECS, Lambda, Serverless, Docker, RabbitMQ, OAuth2, Scrum, Oracle, MySQL, MongoDB, Spock, CI 🏢 Description: We are a provider of digital transformation and technology consulting services with a portfolio of solutions for both clients who do not yet have Salesforce and large organizations that work on Salesforce and use its extensive capabilities ☁. We also provide body and team leasing services in IT, providing specialists in various fields. Model : remote Employment type: full-time Background & Project: A team specializing in Data Engineering and bioinformatics systems development is seeking experienced and motivated Senior Full-Stack Software Engineer with hands-on AWS experience . This role involves developing large-scale cloud-based data processing solutions, primarily using AWS. We are looking for self-motivated and proactive engineer to contribute to the development of highly scalable computing solutions built on AWS services, with a strong focus on serverless architectures. The position involves leveraging AWS services and improving existing infrastructure to optimize, modernize, and future-proof current solutions. The engineering team operates across multiple time zones, including Pacific Time (PT), Eastern Time (ET), and Central European Time (CET). Virtual meetings and collaboration via Slack may take place during the core working hours of the San Francisco (PT) time zone. During the first six months of onboarding, increased collaboration and some overlap with the PT time zone will be expected. Responsibilities: Work together in a collaborative and practical manner to address scientific softwareengineering challenges. Engage with both local and offshore engineering teams to assist in software development endeavors Leverage existing GenAI and RAG solutions and services developed by other teams tointegrate data and existing capabilities into internal chatbots to enhance usability anddata discovery Rapid prototyping and iterations to foster innovation and enable the company to exploresolutions in a shorter time-frame. Design, build and maintain the web application providing visibility to our data management platform Collaboratively and pragmatically solve scientific software engineering challenges. Collaborate with local – Polish, the US and Canada engineering teams to support software development efforts. Contribute to the broader scientific community through open-source software development. Requirements: Minimum 5 years of work experience related to software development in enterprise projects/products and expert knowledge regarding one of the following backend technologies: JAVA (very good knowledge of frameworks like Spring, Hibernate / JPA, knowledge of other JVM based programming languages is a plus); Understanding of microservice architectures, principles and patterns Expert knowledge of Javascript and TypeScript programming ( Angular 5+ or React,with good knowledge of HTML5. Experience building reusable web components. Knowledge of git and standard GitOps workflow (MRs, protected branch), conventional commits, semantic versioning, pre-commit hooks, Experience building APIs, good understanding of REST principles Knowledge of database techniques like SQL, NoSQL and graph databases Fluent in the usage of cloud computing models (IaaS, PaaS, SaaS) and good knowledge of containers connected with this DevOps mindset and excellent knowledge of cloudplatforms like AWS. Ability to deploy yourself code to production Docker (must have) AWS cloud (including S3, IAM, EC2, ECR, ECS, AWS Lambda, Serverless) Experienced in product development with Scrum methodologies Experienced in designing software components based on limited and evolving requirements Attention to details, focus on user/developer experience Ability to coordinate work and direct collaboration with the customer Fluent in English General knowledge RabbitMQ (or other similar message broker) Good communication skills, team player, work under tight deadlines. Nice to have: Good understanding of HTTP protocol (status code, headers, etc…) Basic knowledge of OAuth 2.0 Building distributed systems Automated testing – unit, int, e2e, performance, regression Spock (Groove DSL) CI pipelines Oracle/MySQL/Mongo We offer: Remote work model B2B contract Benefits package, Daily support from team leaders, Dedicated certification budget, Integration trips/events.

🏢 Summary: Full Stack Developer role with a primary focus on backend development in Java, responsible for building and maintaining scalable, secure microservices and REST APIs within an Agile environment. The position involves database design, cloud integration, and CI/CD pipeline participation, with additional work on modern React-based frontend components. The role emphasizes high code quality, performance optimization, and secure application architecture. 🗂️ Requirements: 5+ years experience in Full Stack or Backend development, Strong proficiency in Java, Experience with Spring Boot, Hibernate, JPA, Experience building REST APIs and microservices, Knowledge of OAuth2 and JWT authentication, Experience with SQL and NoSQL databases, Experience with CI/CD pipelines, Experience with Docker and Kubernetes, Cloud platform experience (AWS, Azure, or GCP), Experience working in Agile teams, Bachelor’s or Master’s degree in Computer Science or related field 📃 Skills: Java, Spring, SpringBoot, Hibernate, JPA, REST, Microservices, OAuth2, JWT, PostgreSQL, MySQL, MongoDB, Redis, React, Redux, TypeScript, JavaScript, HTML5, CSS3, MaterialUI, Bootstrap, Tailwind, Jenkins, GitHubActions, GitLab, Docker, Kubernetes, AWS, Azure, GCP 🏢 Description: Overview We are a company leveraging AI to optimize business operations. Our mission is to provide digital solutions and consulting services that help companies grow and create value. By using modern technology, we simplify processes, increase efficiency, and discover new revenue opportunities—especially in private capital markets. Our ecosystem includes: PaaS (Platform as a Service): A core platform that enhances workflows, provides actionable insights, and supports value creation. SaaS (Software as a Service): A cloud platform offering robust performance and intelligent tools at scale. S&C (Solutions & Consulting): Flexible tools and methodologies to manage, grow, and improve company performance. With over 10 years of experience working with fast-growing companies and private equity businesses, we know how to harness technology to deliver tangible business advantages. Job Description We are looking for Full Stack Developer with strong Java expertise. While your main focus will be backend systems, experience with modern frontend technologies (React.js, TypeScript) is also required. You will join an Agile team to design, build, and maintain scalable, secure, and high-performing applications. Key Responsibilities Backend Development (Primary Focus) Develop and maintain REST APIs and microservices using Java (Spring Boot, Hibernate, JPA). Implement secure authentication, authorization, and data handling mechanisms. Design and optimize databases (PostgreSQL, MySQL, MongoDB) for performance and reliability. Integrate with third-party APIs, cloud services, and internal systems. Participate in deployment pipelines using CI/CD tools (Jenkins, GitHub Actions, GitLab CI/CD) and containerization (Docker, Kubernetes). Frontend Development (Nice-to-Have) Build responsive UI components using React.js, Redux, and modern JavaScript/TypeScript. Apply best practices in UI/UX design, performance optimization, and cross-browser compatibility. Work with UI frameworks like Material-UI, Bootstrap, or Tailwind CSS. Code Quality & Testing Write clean, maintainable, and well-documented code. Create unit and integration tests for backend services, and frontend components if applicable. Collaboration & Agile Development Collaborate with designers, product managers, and DevOps engineers. Participate in Agile/Scrum ceremonies and contribute to process improvement initiatives. Required Skills & Experience Backend Strong proficiency in Java , Spring Boot, Hibernate, JPA, and REST API development. Experience with microservices architecture and API Gateway. Knowledge of authentication/authorization protocols: OAuth2, JWT, sessions. Frontend (Optional / Nice-to-Have) Experience with React.js, Redux, TypeScript, HTML5, CSS3, and modern JavaScript. Understanding of state management and component-based design. Familiarity with UI libraries/frameworks: Material-UI, Bootstrap, or Tailwind CSS. Database & DevOps SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, Redis). CI/CD pipelines (Jenkins, GitHub Actions, GitLab CI/CD). Cloud platform experience (AWS, Azure, GCP) and containerization (Docker/Kubernetes). Qualifications Bachelor’s or Master’s degree in Computer Science, Engineering, or related field. 5+ years of experience as a Full Stack or Backend Developer. Experience working in Agile teams. Strong problem-solving and analytical skills. Soft Skills Excellent communication and teamwork abilities. Ability to manage multiple tasks in a fast-paced environment. Eagerness to learn new technologies and improve processes.

🏢 Summary: Entry-level backend engineering opportunity for a student to gain hands-on experience in real-world Java projects for international clients. The role involves supporting and developing business applications using Java, Spring Boot, SQL, and Azure while learning from experienced engineers. It is designed to help you grow into a full-fledged Java Engineer through practical work in production systems. 🗂️ Requirements: Currently studying Computer Science, Mathematics, Physics or related technical field, Knowledge of Java, Knowledge of Spring Boot, Knowledge of SQL, Ability to work with backend applications, English proficiency at B2+ level, Strong analytical and problem-solving skills 📃 Skills: Java, SpringBoot, SQL, Azure, Backend, Cloud 🏢 Description: You are A curious, engaged and ambitious student who wants to combine studies with real-life commercial experience. You’ve learned Java and Spring Boot , you know your way around SQL , and you're ready to apply that knowledge to real problems in production systems. You want to grow into a full-fledged Java Engineer, working hands-on and learning from experienced professionals along the way. Opportunity overview You're ready to kick off your professional journey in backend engineering, turning your knowledge into hands-on experience in real projects. Key responsibilities You’ll jump straight into real-world projects for international clients, gaining hands-on experience with modern cloud platforms like Azure. You’ll help ensure that business applications run smoothly, assist in analyzing and solving technical issues, and gradually take on more development-related tasks. Qualifications & tech toolbox You’re currently studying a technical field such as Computer Science, Mathematics, Physics, or a related discipline You’re actively developing your skills in Java and Spring Boot , working on your own projects You speak and write in English at a B2+ level - it's our daily working language You have strong analytical and problem-solving skills Here's why you'll love Cloudfide Benefits: MyBenefit platform / Multisport Enel‑Med private medical care Professional Growth: Annual 2,000 PLN development budget Access to e‑learning platforms Real opportunities to expand responsibility and lead initiatives - most of our Leads come from internal promotions As the company continuously grows, you get real opportunities to expand your responsibilities , explore new areas, and even take ownership of your own initiatives. Work Environment: Long-term cooperation: UZ or B2B (we value stable, lasting relationships) Remote-first , work from anywhere in the world ( workation ) Flexible hours & strong focus on work-life balance Collaboration with top engineers you can truly learn from Flat structure - every voice counts, and you help shape the company Culture & Integration: Company-wide trips (including international ones) Team integration budgets Open communication and supportive, passionate teams Equal opportunities Cloudfide is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

🏢 Summary: Senior Software Engineer role focused on designing, building, testing, and deploying cloud-based distributed systems using modern software craftsmanship practices. The position involves end-to-end ownership of microservices-based solutions in a remote-first environment, leveraging cloud platforms and AI-assisted development tools. The offer emphasizes high-quality delivery, clean architecture, and close collaboration with stakeholders. 🗂️ Requirements: 7+ years of commercial experience with Java or Kotlin, Hands-on experience with SQL and NoSQL databases, Understanding of distributed systems, Experience with event-driven architectures, Experience with microservices architecture, Experience with cloud platforms (AWS, GCP or Azure), Experience with automated testing including acceptance and performance tests, Ability to design and deploy cloud-based systems 📃 Skills: Java, Kotlin, SQL, NoSQL, Microservices, AWS, GCP, Azure, TDD, BDD, DDD, AI, Claude, Codex 🏢 Description: We are looking for a Senior Software Engineer who is hungry to deliver quality software at pace, by utilising the latest technology trends and modern Software Craftsmanship techniques. Who are we ? We are a remote-first boutique software house company formed by a group of seasoned software experts (average experience in the team is 12 years). What connected all of us, despite a long-term relationship, is a passion for building Great Software that matters. We believe in people, so this is why the key values of Shaped Thoughts are autonomy and trust. Our people have a real and direct impact on what and how we build things. We put extra effort into ensuring everyone can make a difference and grow among other experts. Qualifications: 7+ years of professional experience with Java or/and Kotlin Hands-on experience with SQL and NoSQL Understanding of distributed systems and event-driven architectures Microservices experience Experience with cloud platforms (AWS / GCP / Azure) Automated testing (including acceptance tests, performance tests) Nice to have: TDD, BDD practitioner Domain Driven Design knowledge AI-assisted software development experience As a part of the team you will : Design, implement, code review, test and deploy a cloud-based systems Develop software from start to finish - you ship it, you run it! Work closely with senior stakeholders on identifying business requirements and shaping the product Deliver quality technical solutions that come from a robust design and clean architecture Build & improve software delivery process using latest tools such as Claude Code or Codex How do we work? We work as a team - all people can freely exchange knowledge and tasks, that’s why we’re looking for strong team players We believe in continuous improvement (Kaizen mindset) We’re happy to share knowledge and spend time learning our domain and new technologies We value asynchronous communication for work, however we meet in person to improve our personal relationships What do we offer ? Being a part of a strong senior team with the ability to learn and exchange knowledge Remote first work environment B2B rate 170-200 PLN / hour dependent on your level of expertise Open bounded B2B contract Recruitment process It consists of the following stages: CV screening Tech screening (45 min) Live coding session (1h) Architecture task (1h) At least one of the stages must be completed on-site in one of the major cities: Wrocław, Poznań, Katowice, Kraków, Warszawa or Gdańsk. We actively encourage AI-assisted development in our daily work. However, during recruitment we want to assess your individual skills - please don't use AI assistance unless explicitly permitted for a given stage.

🏢 Summary: Senior Java Tech Lead role focused on leading backend development, defining technical architecture, mentoring engineers, and delivering scalable microservices solutions in an Agile environment. The position combines hands-on Java development with technical leadership, code quality oversight, and collaboration with stakeholders. Experience with Spring, Oracle SQL, distributed systems, and backend security is required. 🗂️ Requirements: Experience leading technical teams, Strong Java 11-25 expertise, Advanced knowledge of memory management, Advanced knowledge of concurrency, JDBC experience, Experience with Spring Boot, Experience with JPA, Experience with Hibernate, RDBMS knowledge, Oracle SQL development, Query optimization skills, Microservices architecture knowledge, Asynchronous messaging experience, REST API development, OpenAPI knowledge, API-First approach experience, Git proficiency, Maven proficiency, Backend security knowledge, Unit testing experience, Integration testing experience, Fluent English 📃 Skills: Java, JDBC, Spring, SpringBoot, JPA, Hibernate, Oracle, SQL, Microservices, REST, OpenAPI, Swagger, Git, Maven, Kubernetes, Ansible, OpenSearch, Jenkins, SonarQube 🏢 Description: Java Tech Lead We are looking for a seasoned Java Developer with natural leadership qualities. In this role, you won't just write clean, scalable code—you will champion the technical direction, unblock your engineering team, and act as a bridge between technical execution and business vision. Key Responsibilities Technical Leadership: Spearhead architectural and solutioning discussions with stakeholders to map out the best technical paths. Team Empowerment: Actively remove bottlenecks within the delivery pipeline and mentor team members to help elevate their technical skills. Quality Assurance: Guard technical standards, ensuring all deliverables align with security benchmarks, code quality metrics, and engineering best practices. Backend Development: Drive hands-on development across multiple applications, tackling both brand-new greenfield projects and the evolution of existing systems. Collaboration & Process: Drive proactive technical analysis, conduct thorough code reviews, and actively participate in Scrum ceremonies. Requirements Leadership & Soft Skills: Exceptional communication and coordination skills. Proven ability to identify the technical critical path and take decisive steps to ensure successful delivery. A strong sense of ownership, multitasking abilities, and a highly proactive, self-sufficient mindset. Technical Expertise: Strong command of Java (from version 11 up to 25) and advanced concepts, including memory management, concurrency, and JDBC. Extensive experience with the Spring ecosystem (Spring Boot 2 to 4) and JPA/Hibernate . Solid RDBMS experience, with a specific focus on Oracle SQL development and query optimization . Deep understanding of microservices architecture , asynchronous messaging systems, and web communication ( REST, OpenAPI/Swagger, and API-First approach ). Everyday proficiency with Git and Maven . Sound knowledge of backend security practices and a commitment to writing clean, high-coverage unit and integration tests. Fluency in English (both written and spoken). Nice to Have Hands-on experience with cloud-native and infrastructure tools like Kubernetes , Ansible , or OpenSearch . Familiarity with build and deployment automation ( CI/CD via Jenkins, SonarQube ). Experience implementing automated testing frameworks. Past involvement in high-level technical architecture and design. Experience working within geographically distributed, international teams.

🏢 Summary: Mid/Senior Fullstack Engineer role focused on building and evolving a custom asset management platform for a Fortune 500 client using Java, Spring Boot, React, and cloud-native technologies. The position involves end-to-end ownership of scalable backend and frontend features, database design, CI/CD, and collaboration in an AI-driven engineering environment. Remote-first work with opportunities for technical growth, architecture influence, and long-term cooperation. 🗂️ Requirements: 3+ years of commercial fullstack engineering experience, Strong Java proficiency, Strong Spring Boot proficiency, Strong React proficiency, Experience with modern frontend patterns, Solid SQL skills, Database design experience, Experience with structured and unstructured data models, Hands-on GitHub experience, Hands-on GitHub Actions experience, Familiarity with Azure cloud services, Experience with CI/CD pipelines, Fluent English 📃 Skills: Java, Spring, SpringBoot, React, Next.js, Tailwind, SQL, GitHub, GitHubActions, Azure, CI/CD, REST, APIs 🏢 Description: Why Join Us At Cloudfide, we engineer solutions where data truly becomes an accelerator for innovation. We build and evolve large-scale Big Data and cloud-native platforms for global clients, including leaders in retail and the Fortune 500. We process massive, complex datasets, operate fully in the cloud ecosystem, and work with the latest technologies, including AI, ML, MLOps, and modern data architectures. Our projects have measurable, real-world impact - from enhancing customer experiences at scale to empowering data-driven decision-making in high-visibility global organizations. As we continue to grow, you'll have the opportunity to shape solutions, mentor others, drive architecture decisions, and take ownership of strategic initiatives. Opportunity Overview As a Mid/Senior Fullstack Engineer (Java/React), you will work on a custom-built platform for a Fortune 500 client - a sophisticated asset management and organization system handling diverse, high-volume data: images, 3D models, PDFs, structured datasets, and more. The platform ingests large, continuously growing volumes of data, supports rich tagging and classification, and is built entirely from scratch with a custom frontend and backend. This is a genuine full-stack role on a project where both sides of the stack matter equally. You'll have direct ownership over features end-to-end, work closely with the client, and help shape a platform that sits at the intersection of data engineering and user experience. Expect a collaborative, AI-forward environment where thinking outside the box is encouraged and your proactivity is genuinely valued. You'll join a team of passionate engineers who value technical excellence, collaboration, and continuous growth. Your Responsibilities - Building and evolving scalable backend services using Java and Spring Boot, including REST APIs, business logic, and integrations. - Developing modern, responsive frontend interfaces with React, Next.js, and Tailwind CSS. - Taking full end-to-end ownership of features - from backend data modeling through to UI delivery - without requiring handoffs. - Designing and working with databases handling both structured and unstructured asset data, writing solid, optimized SQL. - Managing deployments and CI/CD pipelines using GitHub Actions and Azure cloud services. - Making pragmatic build-vs-reuse decisions - knowing when a custom solution adds value and when it doesn't. - Collaborating clearly with both technical peers and non-technical stakeholders, translating between business needs and engineering solutions. - Contributing to code reviews, architectural discussions, and continuous improvement of the codebase. - Leveraging AI tools in day-to-day work to enhance productivity and output quality. What We're Looking For - 3+ years of commercial experience as a fullstack engineer with real depth on both backend and frontend. - Strong proficiency in Java and Spring Boot. - Strong proficiency in React and modern frontend patterns. - Solid database and SQL skills across both structured and unstructured data models. - Hands-on experience with GitHub and GitHub Actions for version control and CI/CD. - Familiarity with Azure cloud services and cloud-native deployment practices. - Pragmatic problem-solving mindset and ability to work independently. - Clear communication skills across technical and non-technical audiences. - Fluent English. Nice to Have - Experience with Tailwind CSS. - Familiarity with asset management or DAM systems. - Experience working with unstructured or semi-structured data at scale. - Knowledge of web application security best practices. - Azure DevOps familiarity. Benefits - MyBenefit platform / Multisport. - Enel‑Med private medical care. - Annual 2,000 PLN development budget. - Access to e-learning platforms. - Opportunities to expand responsibilities and lead initiatives. - Remote-first work from anywhere in the world. - Flexible hours and focus on work-life balance. - Collaboration with experienced engineers. - Flat organizational structure. - Company-wide trips and team integration budgets. - Open communication and supportive teams. Equal Opportunities CLOUDFIDE is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.