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TRCI-26-05181
Mobile Software Engineer (iOS/Android) - Checkout & Payments
Contract assignment in Stockholm for a mobile software engineer to own checkout features end-to-end (requirements through production) with a strong reliability mindset. The role focuses on building and maintaining crash-free, performant mobile checkout experiences, integrating with APIs/BFF and payment systems, writing automated tests, and troubleshooting production issues across app/backend integration, authentication, networking, and payments. Close collaboration with frontend, backend/BFF, QA, SRE, product and UX is expected, with clear communication during incidents and major releases. Swedish and English are required.
Position summary
- Location
- Sweden
- Workplace
- On-site
- Employment
- Contract
- Experience
- Minimum 5 years and Maximum 10 years
Role overview
Why This Role Matters.
Contract assignment in Stockholm for a mobile software engineer to own checkout features end-to-end (requirements through production) with a strong reliability mindset. The role focuses on building and maintaining crash-free, performant mobile checkout experiences, integrating with APIs/BFF and payment systems, writing automated tests, and troubleshooting production issues across app/backend integration, authentication, networking, and payments. Close collaboration with frontend, backend/BFF, QA, SRE, product and UX is expected, with clear communication during incidents and major releases. Swedish and English are required.
Your Impact
Deliver Enterprise Value
Help organisations solve complex business problems through modern technology, consulting expertise and measurable outcomes.
Collaboration
Work Across Teams
Collaborate with consultants, architects, engineers and client stakeholders throughout the project lifecycle.
Growth
Learn Continuously
Gain exposure to enterprise technologies, certifications, mentoring and real-world project experience.
Career Path
Grow With Ubique
Build a long-term consulting career with opportunities to take on greater responsibility and leadership over time.
Responsibilities
What You'll Be Doing.
Every role at Ubique contributes directly to solving meaningful business challenges for our clients.
02
o Quickly investigate and resolve production issues.
03
o Understand the complete customer journey, not just the mobile component.
04
o Writes automated tests and proactively identifies edge cases.
05
o Understands that checkout directly impacts conversion and revenue.
06
o Works effectively with Frontend, Backend/BFF, QA, SRE, Product and UX teams.
07
o Can troubleshoot complex issues across APIs, authentication, payments, networking and app/backend integration.
08
o Communicates clearly during incidents and major releases.
Technology stack
Tools & Technologies.
The platforms and technologies you'll use to build modern, enterprise-grade solutions.
01
iOS
Required
02
Android
Required
03
Mobile
Required
04
Checkout
Required
05
Payments
Required
06
Payment integration
Required
07
API
Required
08
BFF
Required
09
App/backend integration
Required
10
Authentication
Required
11
Networking
Required
12
Automated tests
Required
13
Reliability
Required
14
Performance
Required
15
Crash-free
Required
16
Production troubleshooting
Required
17
Incidents
Required
18
SRE
Required
19
QA
Required
Requirements
Skills & Experience.
We value curiosity, collaboration and continuous learning. If you don't meet every requirement but believe you can make an impact, we'd still love to hear from you.
Essential
Required Qualifications
End-to-end ownership of features (requirements to production)
Mobile checkout experience
Payment integration
API integration
BFF integration
Mobile app reliability (stability, performance, crash-free focus)
Automated testing for mobile apps
Production troubleshooting and incident investigation
iOS development
Android development
Cross-functional collaboration (Frontend, Backend/BFF, QA, SRE, Product, UX)
Troubleshooting across authentication, networking, APIs, and app/backend integration
Preferred
Nice to Have
Understanding of full customer journey beyond mobile component
Edge-case identification and proactive quality practices
Clear communication during incidents and major releases
What you'll gain
More Than Just A Job.
We're committed to helping every team member grow professionally, personally and technically while working on meaningful projects.
Global Exposure
Collaborate with international clients and multicultural teams on enterprise programmes.
Continuous Learning
Expand your expertise through mentoring, certifications and hands-on project experience.
Career Growth
Take ownership, develop leadership skills and grow your consulting career over time.
Flexible Working
Hybrid and remote collaboration designed around trust and delivering exceptional outcomes.
People First
Join a supportive culture where collaboration, respect and long-term relationships come first.
Enterprise Projects
Work on meaningful technology initiatives for leading organisations across industries.
Apply
Apply for Mobile Software Engineer (iOS/Android) - Checkout & Payments
One page, about two minutes. We only ask for what we actually need to have a first conversation.