Careers at iRonin

The challenge

• Help finishing migration of a business dashboard app from Angular 1.6 to React and work on new features long term;
• Create rich web user experiences using React;
• Take part in the development of eye-catching solutions as a part of the unique team of IT experts whose code is known for its quality;
• Extend your knowledge and experience in the fields of cross-browser compatibility, design principles, front-end best practices, accessibility and usability.

Candidate profile

• 5+ years of general professional experience, min. 3 years of strong experience with React and hands-on skills in Angular (preferably 1.6, needed to perform the rewrite);
• Ability to use JavaScript, HTML5, CSS3 and cross-browser solutions to design beautiful user interfaces;
• Proficiency in ECMAScript 6;
• Experience with JS testing best practices and libraries (Jest, Jasmine, Karma, Mocha, Sinon);
• Understanding of web apps performance optimization;
• Great communication skills in English;
• Team player, independent but can ask for help, and eager to help others;
• Up-to-date with the latest trends, technologies and best practices in front-end development.

Tech stack we use

• HTML5, CSS3;
• JavaScript, ECMAScript 6;
• React (and Angular 1.6);
• Ruby on Rails.

Find out what we have to offer and who we are. Don’t forget to check our blog!

The challenge

• Creating rich web user experiences using the latest front-end technologies like Vue and Ember.
• Build pixel-perfect UIs for web applications.
• Take part in the development of eye-catching solutions as a part of the unique team of IT experts whose code is known for its quality.
• Extend your knowledge and experience in the fields of cross-browser compatibility, design principles, front-end best practices, accessibility and usability.

Candidate profile

• Proficient in JavaScript and one of its modern framework (like Vue, Ember, React, Angular).
• Ability to use JavaScript, HTML5, CSS3 and cross-browser solutions to design beautiful user interfaces.
• Proficiency in ECMAScript or TypeScript.
• A solid understanding of
  • Object-Oriented Programming;
  • Software Design Patterns;
  • Best coding and development practices.
• Web pages performance metrics and optimization.
• Competent and ready to take responsibility.
• Great communication skills.
• Team player, independent but can ask for help, and eager to help others.
• Up-to-date with the latest trends, technologies and best practices in front-end development.

Tech stack

• HTML5, CSS3
• JavaScript, ECMAScript
• Vue, Ember
• Jasmine, Karma, Mocha, Sinon
• Node.js, Ruby on Rails

Find out what we have to offer and who we are. Don’t forget to check our blog!

The challenge

• Join iRonin’s tightly knit team of 6 Ruby experts to test the limits of your skills, working on a complex and challenging fin-tech platform built with Ruby on Rails.
• Develop with a simple stack and complex business logic developed by a team of Ruby experts who code for quality and to the latest programming standards.

Collaborate closely with a dozen more team members in the US to ensure security for sensitive data of thousands of users and consistency of thousands of daily financial transactions. The project is extremely well maintained in accordance with best development practices and the latest coding standards. The upcoming development steps include:

• decouple monolithic architecture into functional subsystems,
• reorganize internal architecture to introduce better representation of the business domain,
• improve internal tests.

Candidate profile

• Senior back-end Ruby on Rails developer, who has worked on complex Ruby and Rails applications, who wants to develop their skills further by working with other expert polyglot programmers on a challenging project, possibly with an eye on Elixir and Phoenix.
• A solid understanding and hands-on practice with
  • Object-Oriented Programming,
  • Software Design Patterns,
  • Test Driven Development,
  • Service Oriented Architecture,
  • Secure development practices,
  • Domain Driven Design,
  • Event sourcing.
• Great communication skills.
• Team player, independent but can ask for help, and eager to help others.
• Up-to-date with the latest trends, technologies and best practices in web development.

Tech stack

• Ruby 2.4
• Ruby on Rails 5.1
• SidekiqEnterprise
• PostgreSQL
• JavaScript
• ElasticSearch
• Prometheus

Find out what we have to offer and who we are. Don’t forget to check our blog!

The challenge

Becoming part of a Scrum team and helping our long-term partner in extending their services to other countries and continents. Scaling and developing the back-end of a fin-tech app with a modern tech stack. Working on an established transactions platform that utilizes blockchain and a distributed ledger. Developing a microservice-oriented system that requires secure coding practices and efficient solutions. Bringing a holistic approach, independent thinking and a get-things-done attitude into the project.

Candidate profile

• Elixir enthusiast and practitioner.
• Understanding of Software Design Patterns, Service Oriented Architecture, REST API’s, Continuous Integration and Continuous Delivery.
• Taking responsibility for code quality, security and scalability.
• Curiosity and enthusiasm for blockchain technologies.
• Engagement, self-reliance and strong collaboration skills.

Tech stack we use

• Elixir
• Go
• React Native

Find out what we have to offer and who we are. Don’t forget to check our blog!

The projects starts in January 2019, you can join in Q1 2019, but the sooner you join, the better.

The challenge

• Building from scratch a digital currency platform for a central bank.
• Shaping the project by collaborating with other experts to define the system architecture, technologies and tools.
• Using blockchain technical expertise to plan the development of the system and define the security requirements.
• Creating scalable, performant and secure cloud architecture with orchestration & containers.
• Being an active part of the growth of the team and the project organization.
• Making history and having a real influence on the future of the World’s monetary systems.

Candidate profile

• Software development and IT systems expert, innovator, IT front-runner, IT polyglot (Elixir, Go, Java).
• Must have at least 6-8 years of IT industry experience.
• Must have 4+ years of experience with distributed software development.
• Hyperledger and blockchain systems background.
• Must have BS in Computer Science.
• Proficient in all aspects of software development: data, back-end, front-end, security, performance, testing.
• Battle-tested practice with Linux, open source software, C++ or Java, client server apps.
• Demonstrated passion for fin-tech innovation, open source software (OSS) contributions, blockchain, cryptography, and data-science.
• Excitement for creating complex and challenging fin-tech platform, bringing a holistic approach and independent way of thinking.
• No fear of the edge of startup engineering.

Tech stack

• Hyperledger Framework (Fabric and Caliper, Cello, Composer, Explorer, Quilt);
• Probably Elixir, Go;
• Maybe Java, C++.

Find out what we have to offer and who we are. Don’t forget to check our blog!

We are looking for 2 more developers to join our React Native development team!

The challenge

Using a modern tech stack to take our long-term partner’s fin-tech app to the next level. Applying best coding practices to an established transactions platform (including a mobile wallet and cryptocurrency exchange), that utilizes blockchain and a distributed ledger. Developing a microservice-oriented system that requires secure coding practices and efficient solutions. Showing a willingness to get thing done and solve complex problems. Thinking independently and inspiring the team.

Candidate profile

• Min. 6 months of experience developing mobile applications using React Native and 5+ years of experience in software development.
• Hands on experience with JavaScript and its testing tools (e.g. JestJS).
• Understanding of Software Design Patterns, Service Oriented Architecture, REST API’s, Continuous Integration and Continuous Delivery.
• Up-to-date with the latest trends, technologies and best practices in mobile and front-end development.
• Taking responsibility for code quality, security and scalability.
• Curiosity and enthusiasm for blockchain technologies.
• Engagement, self-reliance and strong collaboration skills.

Tech stack we use

• React Native
• Go
• Elixir

Find out what we have to offer and who we are. Don’t forget to check our blog!

The challenge

• Help finishing migration of Angular app to React and work on new features;
• Create rich web user experiences using the latest front-end technologies like React, Vue and Ember;
• Build pixel-perfect UIs for web applications;
• Take part in the development of eye-catching solutions as a part of the unique team of IT experts whose code is known for its quality;
• Extend your knowledge and experience in the fields of cross-browser compatibility, design principles, front-end best practices, accessibility and usability.

Candidate profile

• Strong experience with React and minimum knowledge of Angular required for the migration;
• Interest in working with other front-end frameworks and libraries like Vue and Ember;
• Ability to use JavaScript, HTML5, CSS3 and cross-browser solutions to design beautiful user interfaces;
• Proficiency in ECMAScript or TypeScript;
• Experience with Node.js is a plus;
• Understanding of web apps performance optimization;
• Great communication skills;
• Team player, independent but can ask for help, and eager to help others;
• Up-to-date with the latest trends, technologies and best practices in front-end development.

Tech stack

• HTML5, CSS3;
• JavaScript, ECMAScript, TypeScript;
• React, Vue, Ember;
• Jest, Jasmine, Karma, Mocha, Sinon;
• Node.js, Ruby on Rails.

Find out what we have to offer and who we are. Don’t forget to check our blog!

The challenge

• Working on back-end and front-end of web applications: designing, implementing and maintaining efficient, reusable and reliable code.
• Advocating and implementing the best practices in our projects: pair programming, code reviews, feedback, coding patterns, testing, writing high-quality code, knowledge sharing.
• Close cooperation with our Operations department, supporting our company’s growth, making important technical or non-technical decisions.
• Constant growth - trying out new technologies and tools, having time dedicated to research and development activities.

Candidate profile

• Excellent knowledge of Ruby’s API and the language’s nuances.
• Excellent knowledge of Ruby on Rails with understanding of the framework’s mechanisms and best development practices.
• Competent at independent architecting of web applications and taking technical decisions within the team.
• Hands-on experience in design, development, testing, debugging and performance-profiling all layers of web applications.
• Skilled with JavaScript and experienced with its dialects (ES6, TypeScript etc).
• Has a solid understanding of:
  • Object-Oriented Programming,
  • Software Design Patterns,
  • Best coding and development practices,
  • Distributed systems architecture,
  • Web applications security,
  • Amazon Web Services in practice.
• Business-oriented SysOps driven towards cost-effective ways of hosting apps and development of blazingly fast static-content applications with dynamic functionalities.
• Great communication skills in English.
• IT communities member (both online and offline) and avid learner opened for new technologies. Popular IT blogs subscriber, always up-to-date with IT-related news.
• Able to work remotely, transparent in everyday communication with a team and clients.
• Positive attitude and willingness to develop both technical and soft skills.
• Proactive IT passionate engaged in everyday tasks. Software development professional who cares about project lifecycle management.

Tech stack we use

• Ruby 2.x
• Ruby on Rails 4.x / 5.x
• RSpec
• SQL and NoSQLs Databases (Postgres, Redis)
• HTML5, CSS3
• JavaScript, ECMAScript, TypeScript, CoffeeScript
• React, Vue, Ember, Angular
• Amazon Web Services or other cloud platforms

Find out what we have to offer and who we are. Don’t forget to check our blog!

The challenge

• Participation in a large-scale cloud migration project.
• Working with the engineering team, responsible for preparing infrastructure, re-hosting applications, re-designing, load testing, migration of high-load applications, workload optimization, and operational support.

Candidate profile

• 5+ years of experience in a Data or Software Engineer role.
• Hands-on experience building and optimizing ‘big data’ architectures and data pipelines.
• Hand-on experience designing efficient data architectures.
• Experience performing root cause analysis on internal and external data and processes to answer specific business questions and identify opportunities for improvement.
• Experience with some of the following software/tools:
  • Big data tools,
  • Object-oriented/object function scripting languages: Java, Scala, Python, Go, C++,
  • Relational SQL and NoSQL databases,
  • Message queue systems,
  • Data pipeline and workflow management tools,
  • AWS cloud services tools,
  • Stream-processing systems.

Would be a plus:

• Working knowledge of commercial BI and data warehousing tools.
• Valid AWS certificates and experience with DB (Oracle, DB2).

Tech stack

• DevOps
  • Kubernetes
  • Kubernetes (EKS)
  • Redshift
  • IIS
• Data streaming
  • Kinesis & Kinesis Analytics
  • Kafka
  • Hadoop/Spark
• Data storage
  • Redis
  • Solr
  • Elasticsearch
  • DocumentDB & Dynamo DB
  • DB (DB2, Oracle)
  • Mongo
  • MSSQL
  • Aurora

Find out what we have to offer and who we are. Don’t forget to check our blog!

The challenge

• Developing property management platform using Hanami web framework and dry-rb library.
• Working on a system which automates daily tasks in rental industry.
• Using best development practices and cooperating with other Ruby experts to bring the highest value to the project.

Candidate profile

• Proficient with Hanami with understanding of framework’s mechanisms and best development practices.
• Nice-to-have experience in developing front-end applications using JavaScript and Ember in particular.
• Solid understanding of:
  • Object-Oriented Programming,
  • Software Design Patterns,
  • best coding and development practices.
• Hands-on experience in design, development, testing and debugging of web applications.
• Competent to work independently on web applications development.
• Great communication skills.
• Team player, independent but knows when to ask for help, and eager to help others.
• Up-to-date with the latest IT trends, technologies and best practices in development.

Tech stack we use

• Hanami, dry-rb
• JavaScript, Ember
• PostgreSQL
• Heroku
• Redis
• Sidekiq

Find out what we have to offer and who we are. Don’t forget to check our blog!

The challenge

Working with our long-term partner on a fin-tech app with a holistic approach and an independent way of thinking. Setting an example with a get-things-done attitude, tackling both the back-end and front-end parts of the application, leading other Go developers. Working on an established transactions platform that utilizes blockchain and a distributed ledger. Developing a microservice-oriented system that requires secure coding practices and efficient solutions. You can even check what the client’s legacy Go-based DSL that uses emoji in the syntax looks like 🙃

Candidate profile

• Go-lang enthusiast and practitioner.
• Willing to take on front-end tasks to get things done - React is a nice to have.
• Understanding of Software Design Patterns, Service Oriented Architecture, REST API’s, Continuous Integration and Continuous Delivery.
• Able to set an example and lead the development team.
• Taking responsibility for code quality, security and scalability.
• Curiosity and enthusiasm for blockchain technologies.
• Engagement, self-reliance and strong collaboration skills.

Tech stack we use

• Go
• React (Native)
• Elixir

Find out what we have to offer and who we are. Don’t forget to check our blog!

The challenge

• Building a wellness application to measure well-being and stress at work;
• Choosing the right tools to tackle a particular problem;
• Participating in crafting solid user experience, products and IT solutions with a critical business value;
• Showing a willingness to get the thing done and solve complex problems;
• Being an independent thinker and a team player at the same time.

Candidate profile

• At least 4 years experience in .NET/.NET Core with C#.
• Min. 1-year experience in Vue.js. and understanding of PWAs.
• 2 years experience of DevOps.
• Hands-on experience with Azure (ServiceBus, BlobStorage, WebApps) and GIT.
• 2 years experience in MS SQL.
• Experience with CSS/HTML.
• Practical knowledge and experience with methodologies like Scrum/Kanban.
• Knowledge about: BitBucket pipelines.
• Proficient in English (min. B2).

Tech stack

• .NET, C#
• Vue.js
• Heroku
• Azure
• MS SQL

Find out what we have to offer and who we are. Don’t forget to check our blog!

The challenge

• Developing web application for custom Foreman GraphQL API.
• Developing plugins for Foreman.
• Expanding knowledge and skills of Foreman along with other Ruby experts from our team.

Candidate profile

• Min. 3+ years of experience with Ruby on Rails and related technical stack.
• Experience with Foreman or a willingness to learn it.
• Basic Linux knowledge.
• Hands-on experience with design, development, testing and debugging of production web applications.
• A solid understanding of:
  • Object-Oriented Programming;
  • Relational databases;
  • Software Design Patterns;
  • Best coding and development practices;
  • Web applications architecture and security.
• Proactive attitude and willingness to share professional experience with us.
• Competent and ready to take responsibility.
• Team player - independent but knows when to ask for help, and eager to help others.
• Up-to-date with the latest IT trends, technologies and best practices in front-end and back-end development of web applications.

Tech stack

• Ruby
• Ruby on Rails
• The Foreman app
• React
• GraphQL API

Find out what we have to offer and who we are. Don’t forget to check our blog!

The challenge

Collaborate with other SRE / DevOps engineers to set up the automatic replication of the application environments with Terraform, work on CI and CD setup, configure infrastructure metrics. Work on interesting, established payment platform of our long-term client, that utilizes blockchain technologies and distributed ledger. Lay down the best practices and use the best tooling from the SRE area. No pager duty.

Candidate profile

• Hands-on with the latest SRE and DevOps tooling.
• Able to set up automatic replication of environments with Terraform.
• Experienced with HashiCorp products like Consul, Nomad.
• Know-how about Ansible, Docker, Kubernetes.
• Able to set up Continuous Integration (CI) and Continuous Delivery (CD) with GitLab, CodeShip, CircleCI.
• Knowledgable about infrastructure metrics with the best products like Prometheus or Sensu (or any better ones).

Tech stack we use

• Go, Elixir, React Native
• Terraform
• Ansible
• Docker
• Kubernetes

Find out what we have to offer and who we are. Don’t forget to check our blog!

The challenge

Developing mobile apps and building user-friendly mobile interfaces for iOS and Android. The project is about redesigning and optimizing two mobile applications from the real-estate space (each with thousands of users), using the best coding practices. We need someone proficient in both iOS and Android. The candidate can feel more comfortable working with one of these platforms, but should be up to the challenge of writing code for both.

Candidate profile

• Proficient in both iOS and Android.
• Comfortable working on a large-scale project and follows best practices related to development, testing and change management procedures.
• Capable of improving existing code and redesigning a large app while maintaining code clarity and providing good documentation.
• Not afraid of a challenge (the app has thousands of users!), can analyze and optimize mobile applications for maximum performance.
• Works closely with our product and design team to create a great user experience.
• Works to stay informed on the latest trends, technologies and best practices in mobile application development.
• Independent thinker and problem-solver.

Tech stack we use

• iOS SDK
• Android SDK
• Swift
• Java
• Ruby on Rails

Cooperation starts on October 1.

Find out what we have to offer and who we are. Don’t forget to check our blog!

The challenge

• Managing, executing and improving the talent acquisition processes: developing job offers, headhunting, selecting and screening candidates, taking care of candidates’ comfort and satisfaction - everything according to professional recruiting standards;
• Supporting the HR department with employer branding initiatives;
• Participation in events and fairs;
• Taking an active part in developing company HR policies and standards.

Candidate profile

• 2+ years experience of corporate or agency recruiting, preferably for IT positions;
• Headhunting skills - ability to encourage both active and passive candidates utilizing LinkedIn, GoldenLine etc.;
• Proficient in English (min. B2);
• Must have understanding of IT roles and technologies, demonstrate good judgement in selecting and recommending candidates;
• Familiarity with sourcing tools and methodologies, including industry standards and cutting-edge solutions.
• Eager to learn about new EB and recruitment tools, being a part of IT world in an active way (reading blogs, attending events, observing social media, reading news);
• Feels comfortable in using Skype, Slack, Google apps, and similar cloud-based tools;
• Have positive attitude and being passionate about building relations and people in general.

We offer remote work and offices available to our team members in Poznań, Gdańsk, Warszawa, Rzeszów. We open new offices whenever there is a need from our team members.

Find out what we have to offer and who we are. Don’t forget to check our blog!

The challenge

• Content creation & management.
• Support of company departments with proofreading, promotion of articles and targeting business audiences.
• Management of marketing materials promoting our services & products.
• Taking responsibility for our social media channels: posts creation and management, maximizing reach.

Candidate profile

• Strong command of English: C1-level fluency or better; English as a native language is a big plus, and a degree in English studies is more than welcome.
• Ready for the challenge of writing business-oriented pieces of content, as well as IT-related articles based on own research and with the help of the team.
• Strong collaboration skills for managing team content creation efforts.
• Understanding of the differences between social media channels, familiarity with their features, and ability to create engaging posts.
• Strong interest in the IT industry, following technology trends related to software development.
• Familiarity with and willingness to explore business and IT related online communities, forums, groups and content publishers.
• Nice-to-have:
  • Experience in the field of content marketing, content promotion and/or social media; experience proven by a successful track record of past commercial, open source, NGO or personal projects is a plus;
  • SEO know-how and hands-on experience with web content optimization for search engines;
  • Professional working proficiency in another language (other than English and Polish).

We offer remote work and offices available to our team members in Gdańsk, Warszawa, Rzeszów. We open new offices whenever there is a need from our team members.

Find out what we have to offer and who we are. Don’t forget to check our blog!

The challenge

• Managing IT projects of various size, complexity and duration for our international clients;
• Maintaining effective communication and working relationships with customers from various time zones and distributed team members;
• Working with our existing and prospect clients to properly staff, plan and execute their innovative IT projects;
• Partnering with development, HR and sales departments to identify and prioritise opportunities that maximise business value and achieve our business goals;
• Taking ownership for the successful initiation, planning, design, execution, monitoring, controlling and handing-over of web, mobile, devops and site reliability projects;
• Working closely with our CEO and the business development team on new ideas, new company’s services and products.

Candidate profile

• 3+ years of professional experience as an IT Project Manager;
• Proven IT project management experience in working with distributed teams and international clients from different time zones;
• Examples of successful delivery of IT projects, on time and on budget;
• Technical knowledge and the ability to advise clients in key aspects of IT project execution;
• Knowledge of project management tools and ticketing systems like Jira, Trello, GitHub;
• Knowledge of Agile, Kanban, Scrum methodologies;
• Ability to manage multiple projects and tasks;
• Positive, proactive and can-do attitude;
• Preferred location: Trójmiasto or Warszawa.

We have an office available to our employees in Rzeszów, and we plan to open more in Trójmiasto, Warszawa, Wrocław, Poznań and Kraków.

Find out what we have to offer and who we are. Don’t forget to check our blog!