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Unisys

Senior Software Architect - Backend Data Services

Hybrid

London, United Kingdom

Full Time

13-04-2025

Job Specifications

What Success Looks Like In This Role

We are seeking an experienced Senior Software Architect to lead the design, development, and implementation of scalable, high-performance backend data systems with a strong focus on data security. This role requires both deep technical expertise and the ability to communicate complex design decisions effectively across technical stakeholders and architects. You will be responsible for driving the architecture of our backend systems while actively contributing to software development. As part of your leadership, you will help align various teams, ensuring that the overall system architecture meets both business and technical objectives.

Architect and Develop: Lead the design and development of backend data services, including data storage, processing, integration, and analytics. Write clean, maintainable, and secure code to implement these systems, with a focus on scalability, performance, and security.
Mentorship & Technical Leadership: Provide technical leadership and mentorship to engineering team, guiding them on best practices, secure coding standards, and architectural patterns. Lead by example through direct involvement in code reviews, problem-solving, and setting coding standards.
Cross-team Collaboration: Communicate clearly with various technical stakeholders, including other architects, senior engineers, product managers, and security teams, to ensure the design and development align with the overall product and business goals. Communicate in global teams spanning time zones. Be a key participant in cross-functional discussions around technical trade-offs, system limitations, and architectural decisions.
Architectural Leadership: Define and communicate the architectural vision for the backend data services, considering the long-term scalability, performance, and security of the systems. Work with other architects to ensure alignment and consistency across different parts of the architecture.
Security-First Development: Integrate security into every phase of software development. Apply best practices for encryption, access control, secure coding, and ensure compliance with industry regulations (e.g., GDPR, HIPAA).
Innovation & Best Practices: Lead the adoption of new technologies, frameworks, and practices that improve security, scalability, and performance.
Problem Solving & Troubleshooting: Participate directly in troubleshooting complex system issues, including data retrieval, security vulnerabilities, and performance issues.
Code Reviews & Standards: Conduct and participate in rigorous code reviews, ensuring adherence to clean code principles, security best practices, and the overall architecture vision. Champion the adoption of coding standards and best practices within the engineering team.

You will be successful in this role if you have:

Must-Haves

Bachelor’s degree in Computer Science, Information Security or a related field.
Experience: 8+ years of experience in backend software development, with at least 3-5 years of experience in a senior or architect-level technical role.
Expertise in Systems Architecture: Strong experience in designing and developing backend data systems, including microservices, RESTful APIs, data modeling, distributed systems, and database design (both relational and NoSQL).
Backend Technologies: Proficiency in backend technologies: C#, Python & PowerShell scripting.
Cloud and Distributed Systems: Hands-on experience with cloud platforms ( Azure, AWS ) and building scalable, fault-tolerant systems.
Data Engineering Skills: Strong understanding of data pipelines, ETL processes, real-time data processing, and experience with data tools such as Databricks, Spark, etc.
Security Best Practices: Knowledge of secure coding practices, data encryption, and threat mitigation. Hands-on experience with implementing security controls, data privacy, compliance, code scanning tools.
Leadership & Communication: Proven ability to communicate complex technical concepts clearly to both technical (e.g., engineers, architects) and non-technical stakeholders (e.g., product managers). Strong verbal and written communication skills, following UML rules and expertise in visual diagram presentation.
DevOps & CI/CD: Experience with CI/CD pipelines, containerization (Docker), orchestration (Kubernetes), and monitoring tools to ensure efficient and secure deployment of backend services.
Problem-Solving & Troubleshooting: Strong analytical and troubleshooting skills with the ability to resolve complex issues in data architecture, security, performance, and scalability.

Nice-to-Have

Coding experience in Scala
Experience with data lakes or data warehousing solutions.
Familiarity with machine learning models or AI-driven systems in backend architectures, with an emphasis on securing ML/AI pipelines.
Experience in Agile or other iterative development methodologies.

Benefits

Become part of a Fortune500 award-winning company and our "Winning Culture"!
Corporate Social Responsibility and DEI standards (Diversity, Ethics and Inclusion) are very important to us and go far beyond the usual!
Our Unisys University is available to you according to your individual needs. An MBA sponsorship program is also available! Our goal is to help you realize your individual potential!
International work opportunities abroad
"Wellbeing & Employee Assistance Program": Your (mental) health is important to us and is treated confidentially by a neutral party!
Solid qualification-, performance- & competence-based remuneration model, attractive pension scheme and various allowances
Bonus/referral/incentive/recognition programs - we want you to feel appreciated at Unisys!
Extended health insurance coverage also for private use
Get the chance to work end-to-end on top secret & avantgarde projects in hybrid work model

Salary range: Up to 95.000 € gross annually depending on your competencies, skills and experience

Unisys is proud to be an equal opportunity employer that considers all qualified applicants without regard to age, caste, citizenship, color, disability, family medical history, family status, ethnicity, gender, gender expression, gender identity, genetic information, marital status, national origin, parental status, pregnancy, race, religion, sex, sexual orientation, transgender status, veteran status or any other category protected by law.

This commitment includes our efforts to provide for all those who seek to express interest in employment the opportunity to participate without barriers. If you are a US job seeker unable to review the job opportunities herein, or cannot otherwise complete your expression of interest, without additional assistance and would like to discuss a request for reasonable accommodation, please contact our Global Recruiting organization at GlobalRecruiting@unisys.com or alternatively Toll Free: 888-560-1782 (Prompt 4). US job seekers can find more information about Unisys’ EEO commitment here.

About the Company

We are a global technology solutions company that powers breakthroughs for the world’s leading organizations. These solutions — digital workplace, cloud, applications & infrastructure, enterprise computing and business process solutions — help people overcome obstacles and not only reach their greatest potential but go beyond it. For more information about how we deliver for our clients, visit https://www.unisys.com/. Know more

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