TRCI-26-04785
Mainframe Technical Lead / Senior Mainframe Engineer (Design & Delivery)
Contract role in Gothenburg for a senior mainframe engineer who can own detailed technical design, break requirements into implementable tasks with estimates and acceptance criteria, and deliver hands-on development for complex/high-risk components. The person will lead a small-to-mid team through full delivery cycles, run code reviews and design walkthroughs, enforce testing and release readiness (including rollback/verification), and drive root-cause analysis and permanent fixes. Strong focus on performance, security, reliability, maintainability, and cross-functional collaboration in an agile delivery setup.
Position summary
- Location
- Sweden
- Workplace
- On-site
- Employment
- Contract
- Experience
- Minimum 10 years and Maximum 12 years
Role overview
Why This Role Matters.
Contract role in Gothenburg for a senior mainframe engineer who can own detailed technical design, break requirements into implementable tasks with estimates and acceptance criteria, and deliver hands-on development for complex/high-risk components. The person will lead a small-to-mid team through full delivery cycles, run code reviews and design walkthroughs, enforce testing and release readiness (including rollback/verification), and drive root-cause analysis and permanent fixes. Strong focus on performance, security, reliability, maintainability, and cross-functional collaboration in an agile delivery setup.
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.
Break down requirements into technical tasks, estimates, sequencing and clear acceptance criteria.
Deliver hands-on development for complex or high-risk components alongside the team.
Ensure designs meet performance, security, reliability and maintainability expectations.
Guide a team of developers on design decisions, coding standards and technical approach.
Run code reviews, design walkthroughs, defect triage and technical knowledge sharing.
Mentor engineers, support onboarding and build depth across the mainframe skill set.
Define and enforce unit, integration and regression testing expectations for the team.
Own build, release and deployment readiness including rollback and verification steps.
Drive defect prevention, root-cause analysis and permanent fixes over workarounds.
Work with architects, business analysts, QA, DevOps and support teams across the delivery lifecycle.
Participate in agile ceremonies, planning, estimation and dependency management.
Technology stack
Tools & Technologies.
The platforms and technologies you'll use to build modern, enterprise-grade solutions.
mainframe
technical design
interfaces
code review
defect triage
root cause analysis
unit testing
integration testing
regression testing
build
release
deployment
rollback
verification
performance
security
reliability
maintainability
agile
technical documentation
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
Mainframe software engineering (10+ years)
Technical design ownership for components and interfaces
Hands-on development for complex/high-risk components
Breaking requirements into technical tasks, estimates, sequencing, and acceptance criteria
Code reviews and coding standards enforcement
Defect triage, root-cause analysis, and permanent fixes
Unit, integration, and regression testing expectations/ownership
Build, release, and deployment readiness (including rollback and verification)
Performance, security, reliability, and maintainability considerations in design
Technical leadership/mentoring of a small-to-mid sized team
Agile ceremonies, planning, estimation, and dependency management
Technical documentation and standards maintenance
Preferred
Nice to Have
Relevant platform certifications
Relevant cloud certifications
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 Mainframe Technical Lead / Senior Mainframe Engineer (Design & Delivery)
One page, about two minutes. We only ask for what we actually need to have a first conversation.