01
TRCI-26-04921
Software Engineer (Mobile Checkout & Reliability)
Contract Software Engineer to own mobile checkout features end-to-end (requirements through production) with a strong reliability/SRE mindset. The role focuses on crash-free, stable and performant checkout experiences, automated testing, and fast production incident investigation across APIs, authentication, payments, networking, and app/backend (BFF) integration. Requires strong collaboration with frontend, backend/BFF, QA, SRE, product and UX, and ability to communicate clearly during incidents and major releases. Location Stockholm; languages English and Swedish.
Position summary
- Location
- Sweden
- Workplace
- On-site
- Employment
- Contract
- Experience
- Minimum 5 years and Maximum 10 years
Role overview
Why This Role Matters.
Contract Software Engineer to own mobile checkout features end-to-end (requirements through production) with a strong reliability/SRE mindset. The role focuses on crash-free, stable and performant checkout experiences, automated testing, and fast production incident investigation across APIs, authentication, payments, networking, and app/backend (BFF) integration. Requires strong collaboration with frontend, backend/BFF, QA, SRE, product and UX, and ability to communicate clearly during incidents and major releases. Location Stockholm; languages English and Swedish.
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
Own checkout features from requirement → development → testing → production.
03
Quickly investigate and resolve production issues.
04
Understand the complete customer journey, not just the mobile component.
05
Writes automated tests and proactively identifies edge cases.
06
Understands that checkout directly impacts conversion and revenue.
07
Works effectively with Frontend, Backend/BFF, QA, SRE, Product and UX teams.
08
Can troubleshoot complex issues across APIs, authentication, payments, networking and app/backend integration.
09
Communicates clearly during incidents and major releases.
10
Important* Please submit the CV through the template attached.
Technology stack
Tools & Technologies.
The platforms and technologies you'll use to build modern, enterprise-grade solutions.
01
Mobile Development
Required
02
SRE
Required
03
Reliability Engineering
Required
04
Automated Testing
Required
05
Payments
Required
06
Checkout
Required
07
E-commerce
Required
08
API Integration
Required
09
BFF
Required
10
Backend for Frontend
Required
11
Authentication
Required
12
Networking
Required
13
Incident Management
Required
14
Production Support
Required
15
Performance
Required
16
Crash-free
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
Mobile development
End-to-end ownership (requirements to production)
SRE / reliability mindset (stability, performance, crash-free)
Production incident investigation and troubleshooting
Automated testing
Payments domain knowledge
Checkout / e-commerce domain knowledge
API integration
BFF (Backend for Frontend) integration and understanding
Cross-functional collaboration (Frontend, Backend/BFF, QA, SRE, Product, UX)
Troubleshooting across authentication, networking, app/backend integration
English and Swedish language capability
Preferred
Nice to Have
Performance monitoring/observability (metrics, logs, traces)
Release management and incident communication practices
Edge-case analysis and proactive quality improvements
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 Software Engineer (Mobile Checkout & Reliability)
One page, about two minutes. We only ask for what we actually need to have a first conversation.