Technical Architect

Technical Architect / Bristol / Hybrid (with regular travel to sites near North Bristol and Herefordshire) / Up to £90,000 + Excellent Benefits
Shape the future of secure, cross-domain systems.
At TwinStream, we’re not just solving technical problems — we’re redefining how organisations operate across domains. Founded by engineers working at the heart of complex government challenges, we bring deep technical expertise, creativity, and service excellence to every client engagement.
We’re growing and looking for a Technical Architect who’s ready to work across boundaries — technical, organisational, and conceptual — to help our customers integrate, innovate and deliver.
What’s on Offer:

• 8% employer pension contribution
  
• Private medical insurance (includes dental & optical, for you and your family)
  
• £1,000 annual training budget to own your development
  
• Flexible working culture that respects your time
  
• Electric vehicle salary sacrifice scheme
  
• Cycle-to-work scheme
  
• 28 days holiday + bank holidays
  
• Regular team events (summer & Christmas parties, quarterly meetups)
  
• Life assurance for added peace of mind
  Key Responsibilities of the Technical Architect:
  As a Technical Architect, you’ll be the bridge between vision and execution — combining a deep technical understanding with strong stakeholder engagement. You’ll help teams across the customer landscape to connect, configure and optimise their cross-domain solutions.
  You’ll:
  
• Provide expert consultancy on system integrations via REST APIs, SFTP, Web-hooks and more
  
• Lead high-level solution designs in collaboration with TSL Solution Architects
  
• Set up and configure customer access to our secure, cross-domain systems
  
• Work hands-on with teams to debug, resolve issues, and refine solutions
  
• Act as the technical escalation point and advisor to the development team
  
• Drive alignment with our product roadmap and advise on feature enhancements
  
• Contribute to continuous improvement in our processes and systems
  What you’ll bring
  Essential:
  
• Strong experience with programming in Java, JavaScript, Python or Go
  
• Solid understanding of software architectures, networking, and data formats (JSON, XML, CSV)
  
• Experience with both synchronous and asynchronous systems
  
• Confident communicator with stakeholders at all levels
  Desirable:
  
• Knowledge of Swagger / OpenAPI 3
  
• Experience with shell scripting, Terraform, Ansible
  
• Familiarity with AWS and infrastructure management
  
• Experience in technical authorship/documentation
  Why join TwinStream?
  We value deep thinking, real collaboration, and delivering outcomes that matter. When you join us, you’re not just another cog in the machine — you’re part of a close-knit, technically brilliant team that’s trusted to deliver.
  Ready to make a real technical impact in secure, mission-critical systems?
  Apply now and help shape the future of cross-domain architecture with TwinStream