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Senior Software Engineer (Kotlin Multiplatform)



Posted over 30 days ago...


Join UNiDAYS as a Senior Software Engineer and shape the future of student affinity networks with your passion for mobile technology and user experience


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No salary declared 😔

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London, Nottingham or UK Remote*

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Expires at anytime

UNiDAYS, the world's leading Student Affinity Network, is on the lookout for a Senior Software Engineer to join our dynamic Product and Engineering team. With over 22 million verified members across 115 markets, UNiDAYS partners with 800 top brands to bring valuable experiences to the professionals of tomorrow. As a company recognized for exceptional workplace wellbeing and inclusivity, UNiDAYS offers a flexible and engaging environment where you can have a significant impact on a global scale.

  • Develop innovative mobile solutions that enhance user engagement and drive product success.
  • Collaborate within a cross-functional team to design, build, and measure the impact of new features.
  • Utilize Kotlin and explore Kotlin Multiplatform to maintain and advance our technology stack.
  • Champion user-centric, commercially viable solutions with a focus on the mobile platform.
  • Contribute to the end-to-end software development lifecycle and support your team through mentoring and knowledge sharing.
  • Proven experience in mobile software development and a user-first approach.
  • Leadership skills combined with the ability to motivate and mentor team members.
  • Strong problem-solving abilities and proficiency in Kotlin, including coroutines and flows.
  • Familiarity with Android and iOS development, REST APIs, and agile methodologies.
  • Experience with unit testing and version control using GIT.

UNiDAYS is dedicated to employee satisfaction, offering remote working options within the UK, a comprehensive benefits package, and a supportive community with exciting remote engagement initiatives. This is your chance to join a company that is not only a Great Place to Work CertifiedTM but also champions diversity and strives to provide a platform for every voice to be heard.

*this role is open to remote working within the UK. Successful candidates will be required to travel to their closest UNiDAYS campus (London or Nottingham) on occasion.

The role in a nutshell

A Senior Software Engineer in UNiDAYS is a hands-on software development role focused on building innovative solutions to delight our members and drive product success in a fast-paced company.

It’s more than just lines of code; we are looking for a commercially-minded Senior Software Engineer who can bridge the gap between user needs and business goals. You will have the ability to build resilient, cost-effective solutions and navigate evolving market demands. 

You will be working closely alongside the rest of our product and engineering teams while defining, refining, building, and measuring the impact of the solutions you implement. These may be across our portfolio of marketplace products, identity products, or elsewhere as the business grows. 

In order to be successful in this role, you will need to translate user needs into market-winning solutions, all while navigating technical challenges and ensuring commercial viability. 

You will need an inquisitive mind as we continue to work with bleeding-edge technologies and migrate our core business logic out into Kotlin Multiplatform libraries. 

Day to day responsibilities 

Working in a cross-functional product team to build end-to-end solutions. This will involve taking part in the standard agile ceremonies, as well as collaborating with other team members in addition to all stages of the software development lifecycle designing/writing/debugging/testing/shipping/supporting the code you develop
Deliver impactful features with a pragmatic approach
Use your technical knowledge and experience to solve problems in the most appropriate way - balancing risks, constraints, user needs, and business needs
Championing user-centric solutions with a keen eye on market fit and profitability
Representing Mobile concerns within the team
Be an active contributor and promoter of the Mobile team 
You will work closely with your teammates to ensure the direction and standards set out for the team are delivered 
Monitoring platform/feature performance & crashes, flagging issues, and writing tickets to address
Contribute to the design and architecture of software systems, ensuring that they are scalable, efficient, and maintainable
Collaborating with external stakeholders and peers 
Support and challenge software engineers through pairing, knowledge sharing, documentation, and mentoring 
From time to time - support our interview process by attending interviews, task assessments, and candidate feedback

What we need from you

Passionate about member experience and creating meaningful experiences for our users
Passionate about the mobile problem space 
Experience working in a cross-functional team and representing mobile concerns
Ability to adapt and persevere through complex problem
Leadership skills
Able to motivate and mentor others
Strong problem-solving skills and attention to detail
Excellent communication and collaboration skills
Understanding of software development concepts
Proficient in Kotlin with an interest in Kotlin Multiplatform
Proficient with Kotlin coroutines and flows
Working knowledge of Android and iOS, especially Jetpack compose and/or Swift UI
Experience with unit testing
Knowledge of REST APIs, 3rd Party SDK integration
Strong understanding of agile methodologies such as scrum, kanban etc.
Use of GIT and related tools

Nice to Have
Firebase Remote Config / Crashlytics
Continuous Integration
Reactive Programming patterns
UI Automation testing


We've accomplished a lot since we started in 2011, but in many ways, this is just the beginning. This is the chance for you to get in on ground zero. An opportunity to make a difference within the business with global reach. We are the world’s largest Student Affinity Network, with over 22 million verified members in 115 markets including the US, UK, Germany, India, Canada and Australia. We work with 800 of the world’s biggest brands globally, taking their products and services into the hearts and minds of tomorrow’s professionals, delivering engagement, building affinity and sales. You’ll also be working for a Great Place to Work CertifiedTM company who have been recognised on the UK’s Best WorkplacesTM for Wellbeing and UK's Best Workplaces for Women 2022 list. To find out more about our workplace initiatives, see our UK exclusive case study with Great Place to Work and be sure to visit our profile for more information.

We offer a fast paced, fun & social working environment where you can truly make an impact. We believe that work should enhance and complement your life which is why we leave it up to you to decide where you work. You can choose to work from your assigned campus (either Nottingham or London) or from home, whatever works best for your individual needs. Your manager may request you attend team meet ups at your campus but other than that it is up to you! We work hard at UNiDAYS, but we also believe in fair compensation for hard work. That's why we're pleased to offer all employees full access to our comprehensive benefits package.

Our perks include:

  • 25 days holiday per year increasing with length of service, plus flexible bank holidays
  • Competitive salaries
  • 4pm finishes every Friday
  • Company bonus scheme
  • Company pension scheme
  • Private health insurance (Vitality)
  • Income protection policy
  • Life assurance policy
  • Employee Assistance Program
  • Enhanced parental leave pay
  • Core hours with flexibility around how/when you manage your time
  • Regular team building activities
  • The latest tech and hardware will be supplied from day one
  • Good Vibes Program: we know we’ve all had to adapt to new ways of working and UNiDAYS has always taken pride in the community we’ve created in the office but we’re just as committed to creating an innovative approach to fostering connections and improving engagement outside of the office! We want to boost your remote working experience so think virtual parties, pottery classes, wellness classes and guest speakers just to name a few!
  • Support for home working for all new team members. We will help assess your home set up and you can expense £150 towards any additional furniture you may need to be safe and comfortable when working from home

About our Product & Engineering team

The driving force behind this fantastic tech business are the talented Product and Engineering team, who work collaboratively to ensure that UNiDAYS stays one step ahead of the competition, with the ultimate goal of giving students the power to make every experience more valuable and rewarding.

The Product and Engineering teams at UNiDAYS are comprised of a bunch of passionate people who work in a fun, fast paced and social environment. Everyone is equal and encouraged to work with each other, whilst having the autonomy to solve problems in the best way they see fit.

The UNiDAYS tech team are passionate about the local Tech Community, hosting and sponsoring local meet ups and hack events. Career development is an important facet of the UNiDAYS tech experience.

Listen to the episode on The Diverse Podcast here:

We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status or disability status. 


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