Bitlane

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Bitlane is seeking a Senior Frontend React Developer with a minimum of 3 years of JavaScript experience. The role involves creating responsive user interfaces, delivering high-quality applications, and collaborating with backend teams. Candidates should be proficient in React/Redux, TypeScript/ES6, REST APIs, Git, and CI/CD. The company offers a family-like international team, work-life balance, home office options, attractive remuneration, and professional development opportunities in a modern Berlin HQ.

<h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">Company Description</h2><p class="my-4 text-gray-700 leading-relaxed">We are a growing company with 7 years of experience and start-up character with a modern HQ in Grunewald, one of the greenest areas of Berlin. Our international team has a family atmosphere, great work-life balance and provides all what you need to become a champ. We provide tailor-made solutions for our customers; we offer optimal individual possibilities for the planning and realization of web and app projects. Due to the interdisciplinary fields of work, Bitlane offers an exciting work environment in various projects and tasks! We are searching for hands-on developers to join our growing team, who will have fun while accepting new challenges and elevate each-other to successfully reach company goals. We want to develop awesome projects alongside other talented developers and be a part of digitalization.</p><h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">Job Description</h2><p class="my-4 text-gray-700 leading-relaxed">We have an immediate need for a senior frontend React developer. The ideal candidate has recent and practical experience with JavaScript, is comfortable working with TypeScript or ES6 and proficient with the React / Redux stack. We are looking for someone passionate about building lean and intuitive user interfaces that ensure the best possible user experience. If this sounds like you, we would be happy to receive your application!</p><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">Responsibilities include:</h3><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Creating responsive, modern user interfaces with JavaScript, HTML, and CSS</li><li class="leading-relaxed">Delivering high quality applications from designing and iterating new features into production</li><li class="leading-relaxed">Setting up development, test and production environments across multiple platforms, browsers, and devices</li><li class="leading-relaxed">Working closely together with backend developers to ensure seamless user experience and efficient overall architecture</li><li class="leading-relaxed">Defining a project scope together with a project manager</li><li class="leading-relaxed">Communicating the status of your work and meeting deadlines defined by you and a project manager</li></ul><h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">Qualifications</h2><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Very good & MVP-focused coding skills in JavaScript of minimum 3 years</li><li class="leading-relaxed">Proficient with the React / Redux stack</li><li class="leading-relaxed">Comfortable working with TypeScript or ES6</li><li class="leading-relaxed">Experience working with REST APIs</li><li class="leading-relaxed">Experience working Git, CI/CD</li><li class="leading-relaxed">Good background in building customer-facing products coming along with excellent analytical and problem-solving skills</li></ul><h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">Additional Information</h2><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Detailed training with professional support</li><li class="leading-relaxed">Permanent employment contract with home office options</li><li class="leading-relaxed">Flat hierarchies and flexible working hours</li><li class="leading-relaxed">Attractive remuneration</li><li class="leading-relaxed">Regular further education offers</li><li class="leading-relaxed">Coordinated team events</li><li class="leading-relaxed">Fresh fruit, ice-cream, coffee, tea and cold drinks</li><li class="leading-relaxed">High-quality office in the heart of the Grunewald</li></ul><p class="my-4 text-gray-700 leading-relaxed">Sounds like you? Great, we would love to hear from you! Please include your CV and a short cover letter explaining who you are, what is your superpower and your salary expectations. Feel free to send us something that shows us a little more about what you’re interested in - be it your account on GitHub, Twitter, Instagram, Medium or your blog.</p>

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<p>- This assessment gives us an idea of your C++ skills<br>- Companies that evaluate this skillset in interviews: <strong>Rockstar Games, Ubisoft, Mayhem Studios, etc.</strong><br>- 10 Multiple Choice questions<br>- Average time to complete: <strong>7 to 10 minutes</strong></p>

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GitLab is seeking an Intermediate Fullstack Engineer for the Custom Models team, focusing on AI Engineering and Custom Models. This role involves contributing to features like Duo Self-Hosted, enabling customers to run GitLab Duo features with their own AI models in private environments. The engineer will work with JavaScript, Ruby on Rails, and Python, collaborating across teams in an async-first environment to deliver end-to-end solutions and advance GitLab's AI capabilities.

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<p class="my-4 text-gray-700 leading-relaxed">GitLab is an open-core software company that develops the most comprehensive AI-powered DevSecOps Platform, used by more than 100,000 organizations. Our mission is to enable everyone to contribute to and co-create the software that powers our world. When everyone can contribute, consumers become contributors, significantly accelerating human progress. Our platform unites teams and organizations, breaking down barriers and redefining what's possible in software development. Thanks to products like Duo Enterprise and Duo Agent Platform, customers get AI benefits at every stage of the SDLC. The same principles built into our products are reflected in how our team works: we embrace AI as a core productivity multiplier, with all team members expected to incorporate AI into their daily workflows to drive efficiency, innovation, and impact. GitLab is where careers accelerate, innovation flourishes, and every voice is valued. Our high-performance culture is driven by our values and continuous knowledge exchange, enabling our team members to reach their full potential while collaborating with industry leaders to solve complex problems. Co-create the future with us as we build technology that transforms how the world develops software.</p><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">An Overview of This Role</h3><p class="my-4 text-gray-700 leading-relaxed">The Custom Models team is responsible for Duo Self-Hosted, a key component in GitLab AI that allows customers to run GitLab Duo features in completely private environments, connecting GitLab to their own AI models. The team works collaboratively with numerous teams to ensure a complete lifecycle of features that implement controls for customization and guarantee a smooth experience for our largest customers. In the near future, the team will return to evaluating LLM models and advancing AI capabilities.</p><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">What You’ll Do</h3><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Contribute to our features using JavaScript (30%), Ruby on Rails (50%), and Python (20%), working with both frontend and backend components in a mature codebase.</li><li class="leading-relaxed">Collaborate closely with backend, frontend, product, and UX teammates across time zones in an async-first environment.</li><li class="leading-relaxed">Write maintainable, well-tested code and participate in code reviews that help you and your team grow.</li><li class="leading-relaxed">Maintain and improve the quality and stability of our applications by contributing to bug fixes and QA.</li><li class="leading-relaxed">Resolve production issues, supporting customers and resolve production issues, and learning along the way.</li><li class="leading-relaxed">Operate in an agile and fast-paced environment, adapt to shifting priorities and project types, and focus on outcomes.</li><li class="leading-relaxed">Take ownership of projects from proposal to production, collaborating across teams to deliver end-to-end solutions.</li></ul><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">What You’ll Bring</h3><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed"><strong>Full-stack development experience:</strong> Proven ability to work across the stack, with experience distributed approximately across JavaScript (30%), Ruby (50%), and Python (20%). Comfortable working with both frontend and backend components in a mature codebase.</li><li class="leading-relaxed"><strong>Strong JavaScript skills:</strong> Experience with modern JavaScript (and ideally a framework like Vue.js), particularly in the context of full-stack development.</li><li class="leading-relaxed"><strong>Strong Ruby and Python skills:</strong> Experience building and maintaining production applications using Ruby on Rails and Python, including work with background jobs, APIs, and data models.</li><li class="leading-relaxed"><strong>API development:</strong> Experience designing or extending REST and/or GraphQL APIs with attention to scalability, maintainability, and backward compatibility.</li><li class="leading-relaxed"><strong>LLM prompting and integrations:</strong> Hands-on experience with prompt engineering, integrating LLMs into applications, and building features powered by generative AI.</li><li class="leading-relaxed"><strong>SQL and data layer expertise</strong>: Strong command of writing efficient queries and working with relational databases such as PostgreSQL.</li><li class="leading-relaxed"><strong>Performance-minded:</strong> Skilled at identifying and resolving performance bottlenecks at both application and infrastructure levels.</li></ul><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">Nice-to-Haves</h3><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Familiarity with LLM evaluation, RAG patterns, or ML model deployment (especially using cloud platforms like AWS or GCP).</li><li class="leading-relaxed">Experience with Langchain, LangSmith, DSpy, or similar LLM/AI frameworks.</li><li class="leading-relaxed">Contributions to open-source projects (especially GitLab or ML-related).</li></ul><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">Why Join Us</h3><p class="my-4 text-gray-700 leading-relaxed">This isn't just a job; it's your chance to shape the future of AI at GitLab. You will be working on one of the most impactful products at GitLab. We operate asynchronously, with a strong environment of support, ownership, and collective success. You'll gain deep expertise in Ruby, Python, and the GitLab platform while contributing to a core area of the product that directly supports millions of users.</p><p class="my-4 text-gray-700 leading-relaxed">As part of our team, you’ll:</p><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Work on a widely-used open core product with passionate contributors and users</li><li class="leading-relaxed">Grow in a high-trust environment that values transparency and iteration</li><li class="leading-relaxed">Collaborate closely with Product and UX partners</li><li class="leading-relaxed">Have access to a defined career development framework and opportunities for mentorship and growth</li></ul><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">About the Team</h3><p class="my-4 text-gray-700 leading-relaxed">The Custom Models team consists of GitLab team members from around the globe. Engineers are primarily located across various European countries, with some members in Australia and Canada.</p><p class="my-4 text-gray-700 leading-relaxed">The team works closely with these other teams within the organization:</p><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">AI Framework</li><li class="leading-relaxed">MLOps</li><li class="leading-relaxed">Model Validation</li><li class="leading-relaxed">Duo Chat</li></ul><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">How GitLab Will Support You</h3><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Benefits to support your health, finances, and well-being</li><li class="leading-relaxed">All remote, asynchronous work environment</li><li class="leading-relaxed">Flexible Paid Time Off</li><li class="leading-relaxed">Team Member Resource Groups</li><li class="leading-relaxed">Equity Compensation & Employee Stock Purchase Plan</li><li class="leading-relaxed">Growth and development budget</li><li class="leading-relaxed">Parental leave</li><li class="leading-relaxed">Home office support</li></ul><p class="my-4 text-gray-700 leading-relaxed">Please note that we welcome interest from candidates with varying levels of experience; many successful candidates do not meet every single requirement. Additionally, studies have shown that people from underrepresented groups are less likely to apply to a job unless they meet every single qualification. If you're excited about this role, please apply and allow our recruiters to assess your application.</p><p class="my-4 text-gray-700 leading-relaxed">***</p><p class="my-4 text-gray-700 leading-relaxed"><strong>Country Hiring Guidelines:</strong> GitLab hires new team members in countries around the world. All of our roles are remote, however some roles may carry specific location-based eligibility requirements. Our Talent Acquisition team can help answer any questions about location after starting the recruiting process.</p><p class="my-4 text-gray-700 leading-relaxed"><strong>Privacy Policy:</strong> Please review our Recruitment Privacy Policy. Your privacy is important to us.</p><p class="my-4 text-gray-700 leading-relaxed">GitLab is proud to be an equal opportunity workplace and is an affirmative action employer. GitLab’s policies and practices relating to recruitment, employment, career development and advancement, promotion, and retirement are based solely on merit, regardless of race, color, religion, ancestry, sex (including pregnancy, lactation, sexual orientation, gender identity, or gender expression), national origin, age, citizenship, marital status, mental or physical disability, genetic information (including family medical history), discharge status from the military, protected veteran status (which includes disabled veterans, recently separated veterans, active duty wartime or campaign badge veterans, and Armed Forces service medal veterans), or any other basis protected by law. GitLab will not tolerate discrimination or harassment based on any of these characteristics. See also GitLab’s EEO Policy and EEO is the Law. If you have a disability or special need that requires accommodation, please let us know during the recruiting process.</p>

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This assessment gives us an idea of your C++ skills- Companies that evaluate this skillset in interviews: Rockstar Games, Ubisoft, Mayhem Studios, etc.- 10 Multiple Choice questions- Average time to complete: 7 to 10 minutes

Let's assess your Data Structures! - This assessment gives us an idea of your problem solving skills using DSA- Companies that evaluate this skillset in interviews: MPL, LILA Games, GSN Games, etc.- 10 Multiple Choice questions

Data Structures and Algorithms

Let's assess your Programming Patterns! ????- This assessment gives us an idea of your code architecture skills- Companies that evaluate this skillset in interviews: Dirtcube, PTW, Playshifu, etc.

Programming Patterns

Let's assess your OOPs skills! ????- This assessment gives us an idea of your fundamental OOPS concepts and Solid principles skills- Companies that evaluate this skillset in interviews: Hitwicket, GSN Games, Tomo Club, etc.

Object Oriented Programming

Let's assess your Unity Skills ????- This assessment gives us an idea of your Unity fundamentals- Companies you can apply for after taking this assessment: Godspeed games, Salvation Games, nCore Games, etc.

Senior Frontend Developer | React (m/w/d)

Senior Frontend Developer | React (m/w/d)

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