Jobs at Djinni

Requirements:

- Hands-on and technical expertise with Apache Spark.
- Hands-on experience with Databricks over the course of several large-scale projects.
- Databricks Certified Data Engineer Professional certification
- Proven experience in designing and implementing big data technologies, including Hadoop, NoSQL, MPP, OLTP, OLAP.
- Over 7 years of experience working as a Software Engineer or Data Engineer, including query tuning, performance tuning, troubleshooting, and debugging Spark and/or other big data solutions.
- Proficiency in programming with Python, Scala, or Java.
- Familiarity with Development Tools for CI/CD, Unit and Integration testing, Automation and Orchestration, REST API, BI tools, and SQL Interfaces (e.g., Jenkins).
- Experience in customer-facing roles such as pre-sales, post-sales, technical architecture guidance, or consulting.
- Desired experience in Data Science/ML Engineering, including model selection, model lifecycle, hyper-parameter tuning, model serving, deep learning, using tools like MLFlow.
 

We offer:

• Attractive financial package

• Challenging projects

• Professional & career growth

• Great atmosphere in a friendly small team

Requirements:
- Core: Modern C++ (C++17/20), STL, templates, performance profiling, multithreading · 

- Math/Geometry: Strong linear algebra & computational geometry (vectors/meshes, intersections, triangulation, spatial indexing, numeric stability) · 

Nice to have: 

- OCCT (Open Cascade Technology)

We offer:

• Attractive financial package

• Challenging projects

• Professional & career growth

• Great atmosphere in a friendly small team

Tech stack:
- React Native (over 5 years of experience)
- Typescript
- GraphQL

As many of these technologies as possible:
- Docker
- Accessibility (WCAG2.1)
- API management
- Azure environments, Azure DevOps

We offer:

• Attractive financial package

• Challenging projects

• Professional & career growth

• Great atmosphere in a friendly small team

Required skills: 

• Extensive hands-on experience in implementing automated tests, covering legacy systems with automated tests, and training development teams in writing automated tests.

• Angular2+ (at least 2 years of experience with angular, We using 16+) 

• Strong knowledge of pure javascript 
• Strong knowledge of TypeScript and Data Types  

• REST API 

• RxJS, NgRX

• WebSockets 

• GIT 

• Appolo GraphQL 

• Profound understanding of HTML & CSS  

• Ukrainian/Russian language

Will be a plus:  

• Experience with Gherkin-based test frameworks like Cucumber

• NodeJS 

• WebWorkers 

• Canvas

• WebRTC

• ThreeJS or any other 3D engine (Unity, Unreal)

• English level — pre-intermediate+  

• Unit Test

• Integration Test

Responsibilities:  

• Cover application by automated e2e test

• Train the development team in proper approaches to automated application testing.

• Optimize application for performance and scalability. 

• Maintain transparent communication regarding possible issues & risks. 

• Ensure on-time delivery of the new features. 

• Participate in design reviews to ensure technical feasibility. 

• Cooperate with the team to choose the best solutions and approaches for further project development.  

We offer:

- Competitive pay and regular performance-based increases; 

- Cool and unique projects with companies from around the world; 

- Our working hours are 10:30-19:30 CET; 

- A friendly environment with team-building events; 

- Aid towards English or career-related courses.

CoreWillSoft GmbH is a German-based company working on secure IoT software solutions and services. The mission of CoreWillSoft is to help businesses protect their assets, employees, and data by providing advanced software solutions and services in the security industry. 

We are looking for a Full-Stack Software Engineer (backend on Kotlin/Java) to work on our products and services that are being used by multiple businesses across Western Europe. Our team operates in a scaled agile approach across Europe with a headquarter in Bonn, Germany. It is responsible for the complete software development lifecycle; including ideation, implementation, and operation of the secure IoT software operating smart buildings and smart homes across the world. 

Join us to work on cool and innovative projects involving high-security hardware in a nice international and creative environment that allows you to learn and advance. 

We offer: 

• Great customer impact: the solutions you deliver will be used by thousands of large and small businesses. 
• Ability to shape the product, working, and delivery process 
• Great team spirit and Team Events 
• Agile and innovative environment 
• Cutting edge technology 
• Working on the latest Hardware 
• Convenient office or co-working, depending on your location 

Your skills: 

Backend: 

• Proficiency in Kotlin and/or Java for backend development.  
• Strong experience with Spring Boot framework.  
• Experience with Docker and containerized applications.  
• Familiarity with cloud platforms such as AWS, Azure, or Google Cloud.  
• Experience in designing and consuming RESTful APIs.  
• Knowledge of microservices architecture and patterns.  
• Experience with on-premise and cloud-based deployments.  
• Proficiency in secure coding practices and understanding of security best practices for backend systems.  
• Familiarity with scalability strategies and performance optimization in backend services.  
• Knowledge of monitoring and observability tools (e.g., Prometheus, Grafana, ELK).  
• Familiarity with CI/CD processes, including GitHub Actions, GitLab CI, or similar tools.  
• Experience with version control systems (e.g., Git).  
• Experience with database technologies, both relational (e.g., PostgreSQL) and NoSQL (e.g., MongoDB). 

Frontend: 

• Proficiency in React.js for building business applications (forms, lists, controls). 
• Experience with modern frontend development tools (e.g., Webpack, Babel, npm). 
• Strong understanding of HTML5, CSS3, and JavaScript/TypeScript. 
• Understanding of state management frameworks (e.g., Redux). 

Nice to have: 

• Knowledge of additional programming languages or tools. 
• Experience in system architecture design and understanding of distributed systems.   
• Proficiency in designing user interfaces with a focus on usability and performance. 
• Knowledge of building automation and physical access control systems.  

Join the team of innovative high-end web & mobile development leaders!

WeSoftYou works with impact-first companies from all around the globe, using a data-driven approach and continuously increasing our operational effectiveness.

We create web and mobile solutions, as well as custom B2B and B2C applications for various industries and business areas, including Healthcare, e-learning, Retail, Web3, Fintech, and AdTech.

👉 Required Tech Skills:

• At least 5 years of experience working with Golang;
• Understanding of building scalable and high-load systems;
• Experience with databases (SQL and NoSQL);
• Knowledge of RESTful APIs and microservices architecture;
• Ability to work in a team and communicate technical solutions effectively;
• Experience with cloud platforms (AWS, GCP, Azure).

👉 About you:

• Problem solver: You are a pragmatic and solution-oriented engineer who is interested in hard problems and delivering value;
• Impact Maker: You want to help build an innovative product used by tens of thousands of users and leave your mark;
• Best Practices: You are an organized worker who follows best practices regarding code quality, testing, and code reviews;
• Curiosity: You are a curious and open-minded developer who is eager to learn a new language, and banking domain and introduce new tools and services where it can help us grow;
• Team player: You have good communication skills, are comfortable working in a team, and can easily work with non-technical colleagues.

👉 Responsibilities:

• Develop and maintain the backend of applications using Golang;
• Design and optimize databases;
• Integrate with external APIs and services;
• Collaborate with other developers to achieve team goals;
• Participate in product planning, analysis, and optimization.

👉 What we offer:

📈 Professional Growth Opportunities

• Ambitious goals and interesting projects;
• Regular & transparent performance review and feedback process;
• Compensation for self-development;

• Possibility for both vertical or horizontal growth (in case you want to try a different path).

   

🎁 Benefits Program

• 18 working days of fully paid days off.
• Help with individual entrepreneurs’ questions and accounting support;
• Financial support and additional days off for various occasions (e.g. marriage, childbirth, etc.);

• Regular company updates from the CEO (Friday letter).

   

😌 Comfortable Working Conditions

• Flexible working hours;
• Provision of required equipment;

About Us: We are an international full-cycle digital agency with offices in Germany (Stuttgart) and Ukraine (Lviv). With over 18 years of experience, we provide long-term support to our clients, most of whom operate on an international level. Our range of services includes strategic consulting and the development of various digital and software solutions to support online and content marketing. 

Currently we are looking for a Senior Drupal Developer to join our team. 

Required Skills:

• 5+ years of experience with Drupal 8+
• 5+ years of experience with PHP
• Skilled in HTML, CSS, and JavaScript
• Experience in custom module development and theming
• Knowledge of MySQL and database management
• Strong grasp of Drupal's architecture and best practices
• Ability to solve complex problems
• Proficiency with Docker at the user level
• Understanding of SEO best practices
• Excellent communication and teamwork abilities
• English B2 level is a must

Nice to Have:

• Drupal Acquia Certification

Responsibilities:

• Develop, customize, and maintain Drupal 10 websites
• Create and implement custom modules and themes
• Work with designers and project managers to define project needs
• Enhance website performance and security
• Troubleshoot and fix issues
• Provide technical support and training to team members

 We offer: 

• - 20 working days of holidays 
• - Paid sick leaves 
• - Equipment needed for work provided by the company 
• - Flexible working hours 
• - 300 EUR Wellness compensation annually that may be spent on health insurance (e.g., contract with the insurance company), hard/soft skills education, or sports activities (for example, gym) 

Are you passionate about deploying cutting-edge machine learning models to the edge and cloud? Do you thrive in a dynamic, fast-paced environment where you can push the boundaries of what's been done? If so, we have an exciting opportunity for an Embedded Engineer to join our team.
As an Embedded Engineer, you will play a crucial role in developing and
deploying different modules/components and models on a variety of edge devices. You will be responsible for designing and implementing robust data processing pipelines that can seamlessly integrate with these edge systems and the cloud, ensuring efficient and reliable model deployment across the edge-cloud continuum.

You will also be comfortable working with both microservices and monolithic architectures, allowing you to adapt to the unique requirements of each project.

Required Skills and Qualifications:

• Proficient in Python, C/C++, and professional knowledge of embedded
  systems programming.
• Extensive experience in developing and deploying machine learning modelson edge devices.
• Deep understanding of message brokers, sockets, and technologies like ZeroMQ, RabbitMQ, or Apache Kafka for building scalable and efficient edge and cloud data processing pipelines.
• Expertise in designing and implementing robust data processing pipelines that can seamlessly integrate with edge devices and cloud infrastructure, handling various data types such as images, videos, text, and audio.
• Familiarity with microservices and monolithic architectures, and their tradeoffs in the context of edge-cloud communication and data flow.
  Familiarity with sensor data acquisition, preprocessing, and integration
  techniques for edge devices, leveraging protocols like SPI, UART, I2C, and more.
• Experience with container technologies (e.g., Docker, Podman) and
  container orchestration platforms (e.g., Kubernetes, OpenShift) for
  deploying and managing edge and cloud-based ML inference services. 
• Knowledge of CI/CD tools and practices, such as Jenkins, Travis CI, or
  GitHub Actions, to automate the deployment of ML models across the
  edge-cloud continuum.
• Understanding of edge computing challenges, including resource
  constraints, power management, latency, and offline operation.
  Experience with embedded operating systems, such as Linux (e.g.,
  Raspbian, Ubuntu Server) and real-time OSes (e.g., FreeRTOS, NuttX), and their integration with edge ML inference services.
• Proficiency in embedded systems programming, including low-level
  hardware interaction, device drivers, and firmware development for
  seamless data exchange between edge devices and the cloud.
• Strong problem-solving and analytical skills, with the ability to think
  critically and find creative solutions for edge-cloud ML deployments.
  Excellent verbal and written communication skills, with the ability to
  effectively collaborate with cross-functional teams.

Preferred Experience:

• Experience working with UAVs, drones, or flight controllers, and their
  integration with embedded AI systems for real-time inference and data
  processing
• Knowledge of digital video (HW, protocols, processing, encryption).
• Familiarity with edge-cloud synchronization protocols and mechanisms, such as MQTT, CoAP, or AMQP, for efficient and reliable data transfer between the edge and the cloud.
• Knowledge of robotic frameworks (e.g., ROS, ROS2, Ardupilot) and their application in edge-cloud computing environments for robotics and autonomous systems.
• Experience with time-series data analysis and anomaly detection on edge devices, and integrating these insights with cloud-based data analytics and visualization platforms.

Requirements:

• 4+ years of IT experience in the roles of PL/SQL Developer
• Experience with Oracle
• Excellent communication and interpersonal skills for effective client engagement.
• Excellent verbal and written English

We offer:

• Attractive financial package

• Challenging projects

• Professional & career growth

• Great atmosphere in a friendly small team

Suplery is looking for a backend developer to create and develop one of the company's products. We are developing a B2B solution that optimizes the ordering of professional cosmetics from suppliers to beauty salons, clinics and stores and reduces supplier costs by 30-35%.

Required skills
– 3+ years of experience with .NET Core, C#
– Experience in writing REST APIs
– Good knowledge of SQL, Entity Framework Core
– Understanding and confident use of OOP principles
– Basic knowledge and understanding of CLR, LINQ
– Experience with Git

Important
– Product-oriented. The developer does not just perform the task, but understands the users' problems and finds the optimal solution.
– Ability to ask questions and get to the heart of the problem.
– Ability to argue the decisions made.

Responsibilities
– API design and development
– Pullrequest review
– Fixing bugs and optimizing current functionality
– Describing documentation for Swagger
– Development and optimization of complex SQL queries

We offer
– Opportunity to influence the product by creating and developing it.
– A friendly team of professionals. No bureaucracy, individual approach and adequate management.
– Professional growth and knowledge sharing in the team.
– Flexible schedule.

At Readdle, we built Spark to create the best email experience for professionals and their teams. In 2016 this intelligent email application became available across all Apple devices. After a crazy start on the iPhone and based on the customer’s positive feedback, we couldn't but launch it on Apple Watch, iPad and Mac. And Spark for Mac was crowned as "Best of 2016" by Apple!

Currently, our team is looking for a creative, experienced, high-skilled Product Engineer. 

What you'll do:

• Develop new features and improve old one
• Write Code. Including core product business logic, UI, and environmental tools (like scripts, editors, and parsers which are needed for efficient contribution to the product codebase)
• Write unit tests
• Write and update technical documentation
• Troubleshoot customer issues that customer support and QA teams did not manage to resolve
• Analyze requirements
• Define the solution specifics (by themself or in team format)
• Configure and maintain the workplace environment in a state ready to efficiently deliver expected results (IDE, CLI tools, profiles/certificates, cocoapods repositories, VPN)
• Validate the readiness of implemented solution for the QA stage (Self-checking of acceptance criteria and feature key scenarios)
• Share product ideas according to established processes

About you:

• Solid expertise in front-end technologies: React, RxJS, TypeScript
• Solid programming fundamentals, such as algorithms, design patterns
• Effective in both independent and team-based work settings
• Demonstrated ability to adhere to tight deadlines in a dynamic environment
• Proficient in Agile methodology
• Proficient with source control tools such as Git and GitHub
• Strong analytical and problem solving skills
• Experience in the complete product development lifecycle, from concept to deployment
• Ability to learn quickly and put into practice new development approaches

Would be a plus:

• Proficient in at least one of the following languages: Swift, Objective-C, Kotlin, Java, C/C++, C# 
• Experience with Angular
• Ready to quickly learn and write code in Swift in a cross-platform environment
• Understanding of CI/CD pipelines and tools (Azure, GitHub Actions or Jenkins)

What you will get at Readdle:

• Customer-centric culture. We put our customers first. It means that every employee can benefit from interacting with our customers directly. It enables us to create and deliver the best solutions for millions of our users.
• Professional growth. We are professionals at everything we do. It means we own our decisions, our work, and our results. We provide quality feedback to others and welcome feedback as an opportunity to learn and improve.
• A team of amazing people. The greatest power we have is the team. It means we care about each other, ensure transparency, and invest in everyone's success.
• Impact on our products. We aim to create valuable products. It means that we improve ourselves constantly by overcoming constraints, simplifying our processes, and improving our capacity.
• Innovative culture. We try to be innovative and creative in everything we do. It means that we expect, appreciate and value new ideas.

Who are Customer Care Specialists?

Customer Care Support Specialists in the Written Response Team are the 'digital voice' of the company. This position exists to provide a great customer experience, optimize sales and profit margins by assisting customers in navigating our website, overcome procedural impediments, and in general, make it as easy as possible to do business with us. Specialists use their product knowledge, communication, and interpersonal skills to build value by closing sales, but also maximize future value by fostering a trusting relationship between company and the customer.

What are your opportunities?

- Work with different business teams from 5 different locations

- Learn about different ecommerce business strategies and their effectiveness

- Improve your English written and verbal skills as well learn how to work with various modern software

What soft skills should you have? 

- Attention to detail. This role implies extreme attentiveness and a detail-oriented mind.

- Perfectionism. We assume that you do not tolerate any kind of misprints and negligence

- Self-discipline. There are lots of duties with different timelines, you should be able to avoid rush and delays.

- Responsibility. Quality control is almost the front line of the company. Our customers will not be happy with poor results of work of this role

- Rationality. Strong desire to automate daily routines, intolerance to inefficient actions

- Self-learning. We expect that our new teammate will boost our customer care productivity in very short terms. Also, it's a perfect way to grow your career in the e-commerce industry.

What hard skills should you have?

- This role assumes remote work at the beginning, with possible visits to the office in Odessa. Self-discipline and self-organization skills are mandatory.

- Excellent written communication skills including spelling, grammar, and vocabulary (at least B2-C1 level)

- Understanding of eCommerce business and/or digital marketing practices; personal experience with buying/selling goods via Internet

- Experience with popular tools and utilities like browsers, email clients, MS Office tools is a must.

- Must type at least 40 words per minute with 95% accuracy or better

- Minimum of 1-year combined experience in retail, technical sales, mail order, internet sales, or customer service

What will you do on a daily basis?

- Answer incoming email inquiries from prospective and existing customers

- Answer questions about the company and its policies

- Assist customers through the whole purchase flow

- Distribute incoming emails to appropriate departments i.e. Purchasing, Marketing, Technical, etc.

How to apply?

Our hiring procedure consists of several steps. The first one is testing. To speed up the process, please attach to your CV the following:

- Please open https://www.typingtest.com/ Pass one-minute test typing sentences. Make a screenshot with the results

- Please download the file by the following link: https://bit.ly/2FKc1Zy Read it attentively, and write a reply to each of the letters (four in total).

- Please use the following link to pass a short English level test: https://www.examenglish.com/leveltest/grammar_level_test.htm Kindly attach a screenshot with your results.

Looking forward for your CV and test results applied.
Good luck!

We are looking for skilled Full-Stack Engineers with a product mindset!

Different levels: Strong Middle, Senior, and Principal!

Ukraine and Poland | Full-Time | Remote | up to $6000 depending on level

About the role

Our team is growing, and we are looking for a talented software engineer. You will work in small teams on various products. The Software Engineer plays a key role in the decision-making process about technologies and our core product as we bring new and innovative products to the market. You will use the latest technologies and frameworks, Node.js and Postgres on the server-side and React on the client-side.

What you’ll do

• Design of the overall architecture of the web application
• Lead the Front-end & BE effort to implement cool new features, services, and APIs
• Write reusable code and libraries
• Optimize the application for maximum speed and scalability
• Solve bugs (no one can hide from it)
• Cover functionality with tests and monitoring
• Work closely with managers, engineers
• Contribute in all phases of the development lifecycle to build first in class FE & BE solutions
• Bring fresh ideas to the team and suggest new technologies

Who you are

• 4+ years of experience as a full-stack engineer
• Strong proficiency with NodeJS, JavaScript, TypeScript
• Experience with React or similar frontend frameworks
• Experience with FE & BE performance optimizations
• Experience with Jest Testing Framework
• Experience with Postgres
• Knowledge and interest in microservice architecture and serverless
• Passionate about technology enjoys solving complex problems and learning new technologies
• Communication (are you sharing your thought process and asking questions where appropriate?)
• Teamwork (are you a team player putting the mission before self-interest?)
• Beauty and simplicity (of your code)
• Intermediate or higher English level

Nice to have

• GraphQL
• Cloud experience (AWS)
• Manage infrastructure as code (Terraform, HashiCorp)

About us

Redocly specializes in API solutions, focusing on API design, documentation, and governance. They provide tools and services that help organizations create, manage, and optimize their APIs efficiently.

The mission is to accelerate API ubiquity. The primary way we do that is to improve our developer experiences. We’re a team of about 50 people. Mostly everyone focused on making the best products we can for our customers. We have a strong product-market fit. The products you work on are used by millions of people. We use Shape Up methodology.

Headquarter – Austin, Texas, US. We also have an office in Lviv.

 https://redocly.com/ 

Redocly is trusted by leading tech, fintech, telecom, and enterprise teams to power API documentation and developer portals. Redocly’s clients range from startups to Fortune 500 enterprises.

Notable users include:

• Australia Post, Checkr, Brex, Sinch, VikingCloud (case studies)
• Visa, Starbucks, Shopify, T-Mobile, Docker (via Redoc open-source)
• Enterprises like Accenture, Booking.com, HP Enterprise, Cognizant

Working at Redocly

Redocly is a fun, supportive, and high-performing environment. We celebrate the little victories, don’t take ourselves too seriously, all while focused and making progress on our mission. If you are looking for an interesting product and enjoy being challenged — this is the place for you!

• Tech stack: JS, TS, Node.js, Nest.js, React.js, Jest Testing Framework, Postgres, AWS, Terraform, HashiCorp
• Team: 5 people (middle-seniors)
• Team’s location: Ukraine&Europe
• There are functional, product, and platform teams and each has its own ownership, and line structure, and teams themselves decide when to have daily meetings. There are cycles of 8 weeks and teams can be mixed.
• Engineers are involved in all parts every two months to work on different things.

Perks

• Full remote
• Possibility of visiting office in Lviv
• Cooperation: Gig Contract or Employment
• Contract with the USA
• After a year of working with the company, you can buy a certain number of company’s shares
• 30 days of vacation
• 10 working days of sick leave per year
• Public holidays according to Polish/Ukrainian law
• No trackers and screen recorders
• Working hours – Ukrainian/Polish timezone. Working day – 8 hours. Mostly they start working from 10-11 am
• Equipment provided – MacBooks (M2, M3)
• There are English-speaking clubs with a native speaker
• Performance review – approximately every six months

Hiring Stages

• Prescreening (30 min)
• HR Call (30 min)
• Technical Interview (up to 45 min)
• Trial Day (paid) – Offer Call

Interested? Let’s connect and discuss the details!

About us:

We are a team of highly-skilled developers who share a common passion for the work we deliver. Our vision for software development starts with a thorough analyze of our customer's needs that allows us to integrate the functionality of coding into a solid architecture that will ultimately result in business success.

Our developing services are tailor-cut to suit the individual needs of our clients, and we deliver optimal results whether you are a business with ever changing goals or an established company that is looking into a product that can streamline day-to-day operations.

Requirements:

• 7+ years of commercial experience in software development
• Solid understanding of OOP/OOD
• Good knowledge of SOLID design principles
• Good knowledge of relational DB concepts
• Solid understanding of our core technologies (C# (.NET Core), ASP.NET MVC, REST API’s)
• Solid understanding of javascript/CSS/HTML
• Basic knowledge and experience with Azure technologies
• Basic understanding and experience with Docker
• Knowledge of Blazor is a plus
• Knowledge of Microsoft 365, SharePoint or Graph is a plus
• Knowledge of .NET reflection is a plus
• Knowing your strong sides and weak points is a must
• Motivated, determined and independent engineer
• Problem solving skills

• Strong communication skills

   

   

Work conditions:

• 100% remote work (full time)
• Variety of technology
• Regular salary review
• Contract work

Software Engineer (Frontend (70%) with React and Kotlin on backend (30%)

Requirements: 

- 5+ years of commercial experience with React+Typescript;
- 5+ years of commercial experience with Kotlin+Spring Boot ;
- Experience with AWS;

We offer:

• Attractive financial package

• Challenging projects

• Professional & career growth

• Great atmosphere in a friendly small team