Middle Flutter Developer • Windmill
Back to jobs list

Middle Flutter Developer

  • Poland
  • Full Time

Windmill is a boutique digital product delivery company. Our team of designers, strategists, and engineers love to create great experiences. We design and develop delightful and functional digital products that solve tough problems and enable new opportunities for enterprises in complex industries, such as banking & finance, healthcare, and compliance. 

For more information, please check the company website at www.windmill.digital 

We are looking for an enthusiastic Middle Flutter Developer who is focused on quality for our team. Flutter developers are a key part of our team and are responsible for turning our innovative experience designs into enterprise-class Android/iOS applications.  

Responsibilities:

  •  Participating in architectural discussions for new applications
  •  Contributing to the Flutter development team to deliver high-quality applications
  • Writing code using best practices, considering security and performance
  • Participating in sprint planning and task estimation, taking part in crafting stories/requirements
  • Collaborating closely with the teams of UX/UI designers, PMs, QAs, and other developers
  • Communicating with main stakeholders and customers
  • Participating in the estimation process

Requirements as a Flutter Designer:

  • Widget state management
  • Unit / widget / integration testing of app
  • Understanding the lifecycle of common widgets
  • Understanding of how to use theme
  • Crafting extended layouts/animations (with AnimationController/AnimatedWidget)
  • Ability to use canvas and custom paint usage in Flutter project
  • Understanding of how to debug Flutter application
  • Asynchrony/multithreading in Dart
  • Set up CI/CD for Flutter project

Requirements as a native developer:

  • 5+ years of experience in iOS or Android Development and 5+ years of total experience
  • Strong knowledge of Swift or Kotlin
  • Experience with threading, and performance tuning
  • Experience with code signing and publishing iOS applications
  • Experience with publishing Android/iOS applications
  • Familiarity with RESTful APIs for connection mobile applications to back-end services
  • Strong understanding of the full mobile development lifecycle
  • Upper-intermediate English language proficiency or higher
  • Experience with Agile Scrum Methodology.

It will be a plus:  

  • Portfolio with released applications
  • Samples of source code on Flutter
  • Bachelor’s degree in Computer Science or Information Systems

What we offer

  • Working as part of a diverse, international team 
  • Interesting tasks and challenges, where you can be creative and take ownership 
  • Opportunities for career enhancement 
  • Regular reviews supported by our HR team aligned with promotional cycles 

Apply for this Position
* Required fields

First name*

Last name*

Email address*

Location

Phone number*

Resume*

Attach resume as .pdf, .doc, .docx, .odt, .txt, or .rtf (limit 5MB) or paste resume

Paste your resume here or attach resume file

Poland location? LLC Entity?

Salary

The following questions are entirely optional.


Invitation for Job Applicants to Self-Identify as a U.S. Veteran
  • A “disabled veteran”is one of the following:
    • a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs;or
    • a person who was discharged or released from active duty because of a service-connected disability.
  • A “recently separated veteran”means any veteran during the three-year period beginning on the date of such veteran’s discharge or release from active duty in the U.S. military, ground, naval, or air service.
  • An “active duty wartime or campaign badge veteran”means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense.
  • An “Armed forces service medal veteran”means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985.

Veteran status
I IDENTIFY AS ONE OR MORE OF THE CLASSIFICATIONS OF PROTECTED VETERAN LISTED ABOVE
I AM NOT A PROTECTED VETERAN
I DON’T WISH TO ANSWER


Voluntary Self-Identification of Disability

Voluntary Self-Identification of Disability Form CC-305
OMB Control Number 1250-0005
Expires 04/30/2026
Why are you being asked to complete this form?

We are a federal contractor or subcontractor. The law requires us to provide equal employment opportunity to qualified people with disabilities. We have a goal of having at least 7% of our workers as people with disabilities. The law says we must measure our progress towards this goal. To do this, we must ask applicants and employees if they have a disability or have ever had one. People can become disabled, so we need to ask this question at least every five years.

Completing this form is voluntary, and we hope that you will choose to do so. Your answer is confidential. No one who makes hiring decisions will see it. Your decision to complete the form and your answer will not harm you in any way. If you want to learn more about the law or this form, visit the U.S. Department of Labor’s Office of Federal Contract Compliance Programs (OFCCP) website at www.dol.gov/ofccp.

How do you know if you have a disability?

A disability is a condition that substantially limits one or more of your “major life activities.”If you have or have ever had such a condition, you are a person with a disability. Disabilities include, but are not limited to:

  • Alcohol or other substance use disorder (not currently using drugs illegally)
  • Autoimmune disorder, for example, lupus, fibromyalgia, rheumatoid arthritis, HIV/AIDS
  • Blind or low vision
  • Cancer (past or present)
  • Cardiovascular or heart disease
  • Celiac disease
  • Cerebral palsy
  • Deaf or serious difficulty hearing
  • Diabetes
  • Disfigurement, for example, disfigurement caused by burns, wounds, accidents, or congenital disorders
  • Epilepsy or other seizure disorder
  • Gastrointestinal disorders, for example, Crohn’s Disease, irritable bowel syndrome
  • Intellectual or developmental disability
  • Mental health conditions, for example, depression, bipolar disorder, anxiety disorder, schizophrenia, PTSD
  • Missing limbs or partially missing limbs
  • Mobility impairment, benefiting from the use of a wheelchair, scooter, walker, leg brace(s) and/or other supports
  • Nervous system condition, for example, migraine headaches, Parkinson’s disease, multiple sclerosis (MS)
  • Neurodivergence, for example, attention-deficit/hyperactivity disorder (ADHD), autism spectrum disorder, dyslexia, dyspraxia, other learning disabilities
  • Partial or complete paralysis (any cause)
  • Pulmonary or respiratory conditions, for example, tuberculosis, asthma, emphysema
  • Short stature (dwarfism)
  • Traumatic brain injury
Please check one of the boxes below:

YES, I HAVE A DISABILITY, OR HAVE HAD ONE IN THE PAST
NO, I DO NOT HAVE A DISABILITY AND HAVE NOT HAD ONE IN THE PAST
I DO NOT WANT TO ANSWER

PUBLIC BURDEN STATEMENT:According to the Paperwork Reduction Act of 1995 no persons are required to respond to a collection of information unless such collection displays a valid OMB control number. This survey should take about 5 minutes to complete.

Name Date

Human Check*