Oleksandr Katrych

Here in Poland, the long May weekend is ahead of us. Do you have any ideas for reading? We recommend another episode of our blog. This time, we will explore SEO from the perspective of a React Developer. 👇 https://lnkd.in/dvKwPQhi #coding #frontenddevelopment #frontend #techarticles #webdevelopment #it #code #software #reactjs #seo

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Bartosz Blimke, creator and maintainer of Webmock, said at the Ruby Warsaw Meetup (16th of May): "During my over 20 years of building software, one thing I have learned is that the most important factor for your growth is the people you work with and what you learn from them. So, when Linus Torvalds said, 'the Ruby people, strange people,' I took it as a compliment because there is indeed something unique about our community. To me, Ruby has always been not only about the nice syntax, not only about Rails, but it has been mainly about the people. People who share their passion. People who are friendly to each other. People who inspire and motivate each other. And people who are nice to each other. And I'm very happy to be with all of you today, celebrating our shared passion for Ruby, here at the Visuality office." I was jealous of how Bartosz built this message 😁 Beautiful statement and I fully agree with it. What is your experience? Link to the full video in the comments. Deep dive into Webmock, highly recommend.

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HOW TO SOURCE DEVELOPERS ON DEVSCANR This is a tutorial on how to find technical talent. We will use the DevScanr sourcing platform and the Skills-first methodology to find a “Backend JavaScript Developer” in Romania. The tutorial is inspired by a video from Michal Juhas, who was searching for engineers for the same position, but on LinkedIn Recruiter. At the end, we compare both approaches and results. https://lnkd.in/ethWmFJa

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New Post: Senior Java Developer - https://lnkd.in/dJQqPufn We are looking for a highly motivated Open Source Senior Java Engineer to join Voltron Data’s team. On the team, you’ll have the opportunity to help support and grow an open source project used by hundreds of companies worldwide. You will work closely with the Voltron Data team and the Substrait and Apache Arrow communities to help evolve the Apache Arrow framework and the Substrait libraries for Java. You will also get directly involved with the community by managing GitHub Pull Requests, issues and StackOverflow questions. Why work at Voltron Data? We are Going for Impact: We are a Series A, venture-backed startup assembling a global team to build a new foundation for data analytics with Apache Arrow. This foundation will usher in a wave of innovation in data processing that can take full advantage of the speed and efficiency offered by modern hardware. We are Committed to Bridging Open Source Communities: We are a collection of open source maintainers who have been driving open source ecosystems over the last 15 years, particularly in the C++, Python, and R programming ecosystems. We are Building a Diverse, Inclusive Company: We are creating a representative, equitable, and respectful workplace that prioritizes employee growth. Everyone at Voltron Data is bought into the company’s success; all voices are critical to shaping the organization’s future. You will be doing some or all of the following: Improving Apache Arrow and Substrait ease of use for Java developers Enhancing library quality and reliability Enhancing library internals and APIs to improve ease and efficiency of development Answering user tickets (bugs, feature requests), helping contributors, reviewing Pull Requests Writing prose documentation, tutorials, etc. Developing new features to better address users' needs Spreading Apache Arrow awareness by authoring blog posts and attending conferences Requirements: Significant Java experience Prior experience in Data Engineering and/or Data Science fields Ideally, you are familiar with one or several of the following… Open source development practices and social dynamics Build systems, continuous integration Binary protocols, binary representation issues Low-level memory management in Java Bridging Java with foreign runtimes Performance optimization Another language with a significant share in the Arrow ecosystem, such as C++, Python, R or Rust US Compensation -  The salary range for this role is between  $145,000.00 to $195,000.00. We have a global market-based pay structure which varies by location. Please note that the base pay range is a guideline and for candidates who receive an offer #remotehiring #remotework #remote #recruitment #recruiting #hiring #remotejob #GetRemote #GetRemoteJobs #remotejobsinsouthafrica #southafricanjobs

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Opening our React Native New Architecture series, we ask our #NewArchitecture experts Jakub & Wojciech the most basic question today: what is l̶o̶v̶e̶ Fabric? 💜 Stay tuned for more New Arch posts! #ReactNative #reactnativeappdevelopment

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Geeknauts switches to Apropo for their project estimates! 👏 👏 👏 ➡ Geeknauts, a custom software development company based in Krakow, Poland, can be definitely counted among t͟o͟p͟ 5͟ ͟#S͟a͟a͟S͟ ͟s͟p͟e͟c͟i͟a͟l͟i͟z͟e͟d͟ ͟d͟e͟v͟e͟l͟o͟p͟m͟e͟n͟t͟ ͟c͟o͟m͟p͟a͟n͟i͟e͟s͟ ͟i͟n͟ ͟P͟o͟l͟a͟n͟d͟. They know very well all the different aspects of #SaaS business - both technical and business. ➡ What I however like the most about them, is their strive for perfection. They are not satisfied with solutions that are “𝘨𝘰𝘰𝘥-𝘦𝘯𝘰𝘶𝘨𝘩”. 🔶 That’s one of the few things that I always find common for all the A-Performers - they N͟E͟V͟E͟R͟ tolerate mediocrity. And that’s the main reason why Geeknauts switched from Google Spreadsheets to Apropo - they didn’t agree for mediocrity in their estimates and proposals. 📣 Here’s what Borys Z., Frontend Developer & Sales Representative at Geeknatus, says about the impact from implementing Apropo: “Apropo 𝘀𝗶𝗴𝗻𝗶𝗳𝗶𝗰𝗮𝗻𝘁𝗹𝘆 𝗶𝗻𝗰𝗿𝗲𝗮𝘀𝗲𝗱 𝗼𝘂𝗿 𝗰𝗵𝗮𝗻𝗰𝗲𝘀 𝗼𝗳 𝘄𝗶𝗻𝗻𝗶𝗻𝗴 𝗺𝗼𝗿𝗲 𝗽𝗿𝗼𝗷𝗲𝗰𝘁𝘀 thanks to creating estimates that look 𝘄𝗮𝘆 𝗯𝗲𝘁𝘁𝗲𝗿 than Google Spreadsheets. The way how estimates done in Apropo look also massively helped with communication with our clients and 𝗯𝘂𝗶𝗹𝗱𝗶𝗻𝗴 𝘁𝗵𝗲𝗶𝗿 𝘁𝗿𝘂𝘀𝘁. Our 𝗲𝘀𝘁𝗶𝗺𝗮𝘁𝗲𝘀 𝗮𝗹𝘀𝗼 𝗴𝗼𝘁 𝗺𝗼𝗿𝗲 𝗮𝗰𝗰𝘂𝗿𝗮𝘁𝗲 which further helped us increase the profitability of our projects” 🤝 Thank you Borys and Geeknauts Crew - it’s a pleasure to have such A-Players like yourselves as our users. We wish you tons of time saved, accuracy increase and deals won with Apropo!

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For today’s #TalentTuesday, we’re spotlighting one of our iOS engineers Marius Serban! Originally from Romania, Marius’ experience spans cross web, Android and iOS work in a variety of industries. His most recent experience as an iOS engineer at Monzo relates most directly at Sling as both companies share the same values and high standard of quality when dealing with people's money, and regulatory compliance. In Marius's own words, "I get to do what I love, working with a set of kind and super talented people I can call friends. Trying to have a positive impact and getting paid to do it – how could I not enjoy working for Sling?" Read more of our Q&A with Marius: 1. What's the best piece of career advice you've ever received? Reach out to the companies you want to work for rather than wait for jobs to appear on the market. 2. If you could travel anywhere in the world, where would you go? I would like to see Canada's stunning wildernesses. 3. What's the best piece of advice you could give to someone just starting in your industry? Understand the fundamentals, but don't dwell on them. Start building stuff you care about, associate yourself with kind people. 4. What's the most rewarding part of your job? Working with friends to building something that people like to use.

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5 years later - we can finally meet again on meet.js in Warsaw! I'll have the pleasure of being one of the presenters - talking about TypeScript generic types! 🙂 Be a part of this event and meet Web Community of JavaScript in our Snowflake office. It's today! June 18 - start at 18.00 Sign up here: https://lnkd.in/dG7agdrP #snowflake #meetjs #meetup #conference #meet #snowflakepoland #presentation #javascript #typescript #web #frontend

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🚀 Calling all aspiring software engineers! Looking to land that dream role? Pavel Khankevich, our Team Manager, recently shared invaluable insights on navigating the job hunt and acing interviews with students at the University of Gdansk. His key advice? Be honest about your skill set to avoid burnout and choose a job with growth potential. Prepare for interviews by focusing on presenting yourself authentically, beyond just meeting requirements. Pavel's extensive experience in conducting interviews and mentoring shines through in his strategic career advice! 🌟 #SoftwareEngineering #CareerAdvice #InterviewTips

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WarsawJS Meetup #114 is fast approaching, so let's get to know the second lecture of the upcoming event. It's safe to say we're not letting off the gas pedal! 🚗 Presenting the second talk is Michał Trojanowski - Product Marketing Engineer at Curity. Michał has over 10 years of experience working as a programmer in various technologies and programming languages. He's no stranger to topics related to backend, frontend, API interfaces, or mobile applications. It's precisely these experiences that have allowed him to transition to his current position, where he helps people better understand authentication, OAuth, OpenID Connect, and JWT. He eagerly shares his knowledge on identity and security-related issues. What knowledge will he share with us? 👨‍🏫 Securing Single Page Applications Using The Token Handler Pattern 👨‍🏫 Single Page Applications may seem simple at first glance. Web developers provide a superb user experience, and it's relatively easy to implement token-based security in the browser. However, this goes against current best practices for browser-based apps, and security concerns can become a significant issue. Instead, it's recommended to implement a Backend for Frontend (BFF) to mitigate browser threats. Yet, this often leads to adopting website technologies to issue secure cookies, which may conflict with other web architecture goals. In this talk, I will demonstrate how separating web and API concerns can lead to the best solutions. I'll introduce the Token Handler pattern — Curity's variation of the Backend For Frontend approach. Additionally, I'll showcase the open-source projects we've created to facilitate the implementation of this pattern. Social media 🖱 ➛ https://lnkd.in/d5tFVUVf  ➛ https://lnkd.in/dUiMZtb8 🔖 Registration — https://lnkd.in/dhXVXwpf  👉 Livestream — https://warsawjs.com/live Michał Trojanowski will be speaking on Wednesday, May 8th, at 18:30 🕡 at our Meetup. You can't afford to miss this! 🎉 #WarsawJS #Meetup #WebDevelopment #WebArchitecture

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On May 8th, we have WarsawJS Meetup #114 awaiting us, featuring Tomasz Ducin on stage with a fascinating presentation titled "Back in the game: Recent Revolutionary Changes in Angular"! But today, let's reminisce about his previous appearance at WarsawJS Meetup #108 💭 In that lecture, titled "Who needs Server Components?", Tomasz delved into the next step in the evolution of web architecture. After MPAs, SPAs, SSR, SSG/ISG, it's time for Server Components! Throughout the presentation, he asked himself many questions: Does this architecture fit the needs of my business and application? What are the benefits? And are we not stepping backward by moving more operations back to the server? Breaking down the hype around Server Components, Tomasz also introduced us to some technical details regarding React Server Components. By combining client-side interactivity with server-side efficiency, we can optimize web metrics and revolutionize website development. We invite you to watch that presentation, which opened our minds to a new perspective on web development! Enjoy watching! 🍿 🎥 Part 1: https://lnkd.in/dQ7G_jFZ  🎥 Part 2: https://lnkd.in/dJzQmsQD We encourage you to participate in WarsawJS Meetup #114, where you'll have the opportunity to not only listen to Tomasz's lecture but also to other outstanding speakers live. The link to tickets is below: 👇 🔖 Tickets: https://lnkd.in/dhXVXwpf #WarsawJS #Meetup #ServerComponents #WebDevelopment

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I got a question yesterday at Devoxx Poland as to why I describe the APIs proposed by JEP 453 (Structured Concurrency) [1] as "low-level", compared to Ox [2], which I'd call a "high-level" structured concurrency API. I think this might be a common concern, hence a wider explanation on my part: First of all, there's nothing wrong with being "low-level". The proposed #Java APIs are more flexible, but they are also more verbose and error-prone. It's a tradeoff, which makes total sense for a JDK API. I'm viewing the JDK APIs as "foundational". That is, not necessarily for consumption by end-programmers, but as a basic toolkit, which library authors (such as myself, in Ox), can use to implement a structured concurrency library. Very similar to reactive streams: we have the base `Publisher`/`Subscriber` APIs in the JDK, but they are targeted to be implemented by library authors, not application developers. (cntd in the comments)

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I'll be talking about building future-proof React applications on the 30th of May in Bucharest. Everyone needs to have a set of principles they follow so they don't have to think about every problem from scratch. I'll tell you how I've been building React applications for the last 8 years. What works. What doesn't. What to focus on to make sure you don't have to rewrite your application every year. Because programming is about solving problems. But engineering is about maintaining those solutions over time.

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If you are curious on "Evolutionary Architecture" don't miss our .NET User Group Zürich May Meetup where we will cover the topic providing some lessons that diverge from "pure tech" talks. On this one, Maciej Jedrzejewski will explain How incremental developments in core engineering have enabled the foundations for enable software which can evolve over time along the architecture, protecting important architectural characteristics as it evolves. All while keeping it as simple as possible, maintainable and manageable in amount of complexity. Sounds interesting? ;) It is!! And even more if you have 5+ years of experience, chances are that you have lived a project that died because of complexity and lack of proper architectural vision (partial or... complete) - I've been there! So, how does it sound and all of this - for free!! Thanks Digitec Galaxus AG and Maciej Jedrzejewski!!! I am not going to miss it - and so should you... RSVP while you can, places are limited: https://lnkd.in/dmnnEGUZ Ah, we will have Food & Drink #architecture #software #evolutionaryarchitecture #KISS #DRY #easy #maintainable #resilience

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Join us for an exciting Angular Warsaw meetup! The link to the meetup is in the comments. Agenda: ✅ Angular v18: A Deep Dive into New Features and Enhancements by Łukasz Jancewicz ✅ The Forgotten Gem - Angular CDK: Three Time-Saver Examples by Tomasz Flis ✅ Effective Rules for Successfully Using Signals in Angular by Manfred Steyer ✅ Retransmission of Angular 18 Special Event by #AngularTeam 📅 Date: Monday, May 27, 2024 🕕 Time: 6:00 PM 📍 Location: BEC Poland, Emilii Plater 53, 00-113 Warsaw (23rd Floor) Hurry, limited in-person seats available! Who is BEC Poland? BEC is a financial technology company creating IT solutions for a strong group of Danish banks. For the last 60 years, they’ve enabled their customers to invest online, take out loans, and transfer money. In other words, they do everything it takes to run a bank. Łukasz Jancewicz - Angular v18: A Deep Dive into New Features and Enhancements In this talk, we'll delve into some of the notable advancements that Angular v18 brings to the framework. Forms have been enhanced with unified control state change events, error handling has been improved in the router, and there are flexible resolver return types. We can now use fallback content in ng-content, and applications can experimentally switch to zoneless change detection. We'll cover these items in detail, exploring how they can help us write better Angular code. Łukasz Jancewicz - Staff Software Engineer at Google, based in Warsaw, Poland. For 7 years, he has been developing Google Cloud Console, probably the largest Angular application in the world. Angular enthusiast. Evangelist of standardization, code health, and testing. Tomasz Flis - The Forgotten Gem - Angular CDK three time-saver examples Angular CDK, which stands for Component Dev Kit, is a library offered by Angular Material. It provides a collection of reusable building blocks for creating web UI components. This talk is about three examples of how to save time while developing features Attendance list by the Collection Sort favorite games by a drag and drop Overlay - a way to display a menu. Tomasz Flis - Angular passionate, in love with clean code, perfect design, and simple approach, part of GDG Warsaw, a public speaking enthusiast from Poland, a Star Wars fan, father of two, husband of one Manfred Steyer - Effective Rules for Successfully Using Signals in Angular It is undisputed that Signals will shape the future of Angular. At first glance, Signals may seem very easy to use — like variables with getters and setters. However, if you begin using them this way, you will encounter several pitfalls. To avoid such situations, we discuss 3 effective rules of thumb that help you leverage the benefits of Signals and reactive systems in general, making your source code more maintainable. You will be surprised by the difference these three rules can make!

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I don't know if this is only my observation or if someone else feels the same. One of the biggest problems with infrastructure is that it is too often isolated from the development teams. Companies often extract a separate team responsible for the infrastructure at some point. As this team grows, it is then split into multiple others. These teams handle topics like identity access management, orchestrators, API gateways, or build pipelines. This, in turn, leads developers to worry less and less about infrastructure. It is not uncommon for software architects to treat infrastructure-related topics as a second category. There are DevOps; we can put it on their shoulders. This is an anti-pattern. There are so many things that can go wrong: - Database, storage, and cache - API gateway and load balancers - IAM - Orchestrators, message brokers - Security of infrastructural components And many more. At some point, I decided to start collecting topics related to architecture that are most important from the software architect's perspective. The result? I will give a talk about it at the Devoxx conference in June :) Feel free to check the details here: https://lnkd.in/dmXia-Qp Who do I see there? :) #softwarearchitecture #devops #softwaredevelopment

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Soon, on May 8th, we're gathering at WarsawJS Meetup #114, which will take place at the Packhelp headquarters. We've prepared a truly exceptional agenda for you with three incredibly interesting lectures! 🚀 👨‍🏫 Tomasz Ducin — Back in the game: Recent Revolutionary Changes in Angular 👨‍🏫 📝 Description: Angular has been perceived as a rather complex framework by some, yet it's used massively by enterprise-scale systems. Whether we agree with the criticism or not, the framework is undergoing a monumental transformation. In recent months, Angular is experiencing a period of frequent and significant updates and - at least considering previous years of stagnation - groundbreaking changes. These include not only the features, public API and architecture, but also to the mental models that developers come up with. 👨‍🏫 Michał Trojanowski — Securing Single Page Applications Using The Token Handler Pattern 👨‍🏫 📝 Description: Single Page Applications appear simple at first sight. Web developers provide a superb user experience, and it is also relatively easy to implement token-based security in the browser. Yet this is against current best practices for browser-based apps, and security concerns can become a blocking issue. It is instead recommended to implement a Backend for Frontend (BFF), to reduce browser threats. Yet this often results in the adoption of website technologies to issue secure cookies, which can work against other web architecture goals. In this talk, I will show how a separation of web and API concerns can give you the best choices. In the talk, I will present the Token Handler pattern — Curity's variation of the Backend For Frontend approach. I will show the open-source projects we created to facilitate the implementation of the pattern. 👨‍🏫 Tobiasz Ciesielski — TailwindCSS - Why you should have it in your project? 👨‍🏫 📝 Description: Tailwind has become the most popular styling framework. More than 8 million downloads per week via npm. Why has it become so popular? What are its advantages and disadvantages? Why did we decide to migrate to tailwind in Prowly? What are the good and bad practices of using the framework? I will answer all these questions. These lectures are not only a great opportunity to gain new knowledge but also to meet other technology enthusiasts! Don't miss out on this event! 😉 Tickets are already available, so don't wait and reserve your spot now! 👇 🔖 Tickets: https://lnkd.in/dhXVXwpf See you at WarsawJS Meetup #114! 💫 #WarsawJS #Meetup #Programming #JavaScript

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Why should you have a dedicated HR section on your website? 1) It's a nice place to keep an updated version of your CV and resume. 2) Show that you care about HR experience and convenience. Quick and simple example: Check https://mbasiuk.com/hr

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✏️In our latest blog post, our colleague Miroslav, Developer Advocate at Holycode and Backend Team Lead at Neon, sheds some light on their process for creating and using design documentation. Curious about how they evaluate and choose the best designs through structured documentation and collaborative decision-making? Check the link https://lnkd.in/ggYwwDBw to read Miroslav’s insights! #SoftwareDevelopment #TeamCollaboration #TechInnovation #Neon #DesignDocumentation #DesignProcess

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