At a Glance
- Tasks: Architect scalable backend solutions using Python and microservices in a fast-paced environment.
- Company: Join a dynamic tech company shaping the future of backend systems.
- Benefits: Competitive pay, flexible working options, and opportunities for professional growth.
- Other info: Mentor engineers and influence long-term architecture in a collaborative team.
- Why this job: Make a real impact on mission-critical platforms while leading technical direction.
- Qualifications: 8+ years in backend engineering with strong Python and microservices expertise.
The predicted salary is between 48000 - 72000 £ per year.
Overview
Solution / Technical Architect – Python Expert (FastAPI, Flask, Microservices), Inside IR35 Onsite / Hybrid working - 6 month contract
Our client is seeking an experienced Solution Architect with a strong background in Python and modern microservices to help shape the future of their backend systems. This role is ideal for someone who enjoys driving architecture decisions, leading technical direction, and delivering scalable, cloud-native platforms. You’ll be joining a fast-paced environment where your work will have a direct impact on the design and delivery of mission-critical platforms. The successful candidate will combine strategic vision with hands-on technical expertise, guiding engineering teams while influencing long-term architecture.
Responsibilities
- Architect scalable, modular backend solutions using Python (FastAPI, Flask) and microservices.
- Lead technical design across APIs, data pipelines, cloud infrastructure, and backend orchestration.
- Drive architecture reviews, documentation, and system governance.
- Work closely with DevOps and engineering teams to build cloud-native systems on AWS with CI/CD.
- Mentor engineers and foster best practices across the development lifecycle.
- Translate business requirements into practical, high-quality technical solutions.
Key Requirements
- 8+ years backend engineering experience, with 3+ years in a solution architect/lead role.
- Advanced knowledge of Python, particularly FastAPI or Flask.
- Strong experience in microservices, RESTful APIs, and distributed systems.
- Hands-on expertise with data pipelines, background jobs, message queues, and integrations.
- AWS experience (ECS, EC2, Lambda, VPC, S3) and CI/CD (GitLab CI or similar).
- Proficiency with Docker and containerisation workflows.
- Excellent communication skills, able to explain technical concepts clearly.
Nice to Have
- Exposure to frontend integration (React).
- Database experience with MongoDB, PostgreSQL, or similar.
- Experience in compliance-sensitive sectors (finance, insurance, legal tech).
- Open-source contributions or community involvement.
Additional Information
All our roles are UK based. When submitting your application to Colossus, please ensure the following:
- Your CV has your address and postcode.
- You also have your correct phone number and email address so we can contact you asap regarding your application.
- For confidentiality purposes, please remove any reference contact phone number's and email address details from your CV.
Seniority level
- Mid-Senior level
Employment type
- Contract
Job function
- Information Technology and Engineering
Industries
- Information Services and IT System Custom Software Development
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Solutions Architect employer: Colossus Recruitment
As a Cloud Engineer at our company, you'll be part of a dynamic and innovative team that values collaboration, precision, and continuous improvement. We offer a hybrid working model that promotes work-life balance, alongside opportunities for professional growth and mentorship in a supportive environment. Join us to contribute to cutting-edge Azure cloud infrastructure projects while enjoying the benefits of a culture that prioritises excellence and employee well-being.
StudySmarter Expert Advice🤫
We think this is how you could land Solutions Architect
✨Join Local Tech Meetups
Get out there and mingle with fellow developers by joining local tech meetups. It’s a fantastic way to meet people who might be working at Colossus Recruitment or know someone who does. Plus, you can pick up some trendy tech skills and trends while you're at it!
✨Contribute to Open Source Projects
Show off your coding chops by jumping into open-source projects. Not only does this give you practical experience, but it also gets you noticed in the dev community. You'll create a killer portfolio that speaks volumes about your skills to Colossus Recruitment.
✨Tap into Online Developer Communities
Don’t underestimate the power of online developer communities like GitHub, Stack Overflow, and even Reddit. Participate in discussions, share your projects, and build your visibility. We can often find opportunities through these channels that can lead to a full-time gig at companies like Colossus Recruitment.
✨Explore Job Boards Specifically for Tech Roles
Keep your eyes peeled on job boards that focus on tech roles. Sites like TechCareers or Stack Overflow Jobs can often have listings for companies like Colossus Recruitment that might not show up on broader job sites. Make it a habit to check these regularly, and don’t hesitate to apply directly through our website!
We think you need these skills to ace Solutions Architect
Some tips for your application 🫡
Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.
Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at Colossus Recruitment.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Colossus Recruitment and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!
Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!
How to prepare for a job interview at Colossus Recruitment
✨Brush Up on Your Coding Skills
For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.
✨Know Your Tools and Frameworks
Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If Colossus Recruitment uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.
✨Showcase Your Projects
Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.
✨Prepare for Behavioural Questions
While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.
