Sr. Technical Lead / Architect

Ness Digital Engineering; Greater London; Hybrid; GBP 77,000 - 112,000; Full time

Benefits offered by this job

Flexible remote options

Job summary

Ness Digital Engineering is seeking an experienced Senior Technical Lead / Solution Architect in Dublin with strong Python, AWS, React JS, and full-stack expertise. You will architect scalable, cloud-native solutions and lead delivery of high-quality software while mentoring engineering teams.

You’ll collaborate with product owners, stakeholders, and architects to define roadmaps, drive architectural decisions, and ensure security, performance, and cost efficiency across projects.

Qualifications

• 10–14 years of professional software engineering experience.
• Strong Python backend experience with FastAPI, Flask, or Django.
• Experience designing and developing RESTful APIs and front-end with React JS.

Responsibilities

• Own end-to-end technical architecture for products and platforms.
• Define and drive the technology roadmap aligned with business objectives.
• Lead technical design discussions and architecture reviews.
• Mentor and coach engineers and foster engineering excellence.
• Drive CI/CD pipelines, cloud deployments, and observability.

Skills

Python

React JS

SQL

AWS

REST APIs

Docker

Kubernetes

CI/CD

Leadership

Architecture

Team mentoring

Tools

GitHub

Docker

Kubernetes

Job description

Location Preference: Dublin - Work from the office

Life at Ness

At Ness, people come first. Here, you'll be part of a vibrant team that values curiosity, innovation, and growth. We work with industry-leading clients on projects that truly make an impact while supporting every team member in carving out their unique career path. With resources for learning, certifications, and hands-on experiences, Ness offers you more than just a job—it’s a place where your ideas, ambition, and well-being matter.

The Role

We are seeking an experienced hands-on Senior Technical Lead / Solution Architect to provide technical leadership, execute customer technology roadmap, architect scalable enterprise solutions, and lead the successful delivery of high-quality software products. The ideal candidate should possess strong full-stack development expertise with Python, SQL, AWS & React JS, along with hands-on experience in cloud platforms, DevOps practices, modern software architecture, and mentoring engineering teams. The role requires a highly self-driven individual who can independently drive technical initiatives with minimal oversight while collaborating closely with product owners, business stakeholders, architects, and engineering teams.

Key Responsibilities

Technical Leadership

• Own the end-to-end technical architecture for assigned products and platforms;
• Define and drive the technology roadmap aligned with business objectives;
• Evaluate emerging technologies and recommend adoption where appropriate;
• Make architectural decisions considering scalability, security, performance, maintainability, and cost;
• Establish engineering best practices, coding standards, and architectural guidelines;
• Lead technical design discussions and architecture reviews;
• Drive Migration from legacy to newer technology stack.

Solution Architecture

• Design scalable, secure, resilient, and cloud-native applications;
• Define microservices, APIs, integration patterns, messaging, and event-driven architectures;
• Produce high-level and low-level design documents;
• Ensure applications meet non-functional requirements including availability, reliability, observability, and security;
• Drive API-first architecture and reusable component design.

Software Development

• Lead full-stack application development using: Python, SQL, AWS, React JS;
• Contribute to complex software development activities where required;
• Review code and ensure adherence to engineering standards;
• Resolve complex technical challenges across frontend, backend, databases, and integrations.

Project Delivery

• Drive technical deliverables from inception through production deployment;
• Build solutions with minimal supervision while ensuring high quality;
• Estimate development efforts and identify technical risks;
• Ensure timely delivery through effective planning and execution;
• Support Agile delivery methodologies.

Team Leadership

• Mentor and coach a small team of software engineers;
• Conduct technical reviews and provide constructive feedback;
• Foster engineering excellence and continuous learning;
• Guide developers in design, coding, testing, debugging, and deployment;
• Assist in hiring and onboarding technical talent when required.

Cloud & DevOps

• Design and implement cloud-native architectures;
• Collaborate with DevOps teams to automate deployments and infrastructure;
• Define CI/CD pipelines and release strategies;
• Improve application observability using logging and monitoring tools;
• Ensure infrastructure scalability and operational excellence.

Quality & Security

• Promote secure coding practices;
• Ensure applications comply with security and compliance standards;
• Drive automated testing strategies;
• Improve code quality through static analysis, code reviews, and automated pipelines.

Stakeholder Collaboration

• Collaborate with Product Managers, Business Analysts, UX teams, QA, and customers;
• Translate business requirements into scalable technical solutions;
• Present architectural recommendations to senior leadership;
• Communicate technical decisions effectively to both technical and non-technical stakeholders.

What you’ll bring

• 10–14 years of professional experience in software engineering and technology, across relevant technical roles and responsibilities;
• Solid experience with Python and backend development using frameworks such as FastAPI, Flask, or Django;
• Experience designing and developing RESTful APIs;
• Good understanding of front-end development with React JS, JavaScript (ES6+), and TypeScript; intermediate knowledge is sufficient;
• Familiarity with state management using Redux or Context API and experience integrating REST APIs into front-end applications;
• Good knowledge of SQL and experience working with relational databases such as PostgreSQL, SQL Server, or MySQL;
• Experience working with AWS Cloud Platform and understanding of cloud-based architectures;
• Familiarity with serverless architecture and AWS services related to cloud networking and storage;
• Experience with cloud scalability and availability concepts, including Auto Scaling and Load Balancing;
• Experience working with CI/CD pipelines and deployment automation;
• Familiarity with Docker and Kubernetes;
• Experience using GitHub and modern development workflows.

Why Join Us

At Ness, you will work with diverse, talented professionals who are dedicated to making an impact through technology. We encourage applicants of all backgrounds to apply—even if you don’t meet every requirement, we’d love to connect with you if this role excites you. We’re committed to creating an inclusive workplace that celebrates each team member’s unique talents.
With flexible remote options, diverse projects, and access to development resources, joining Ness means building a career that’s meaningful and impactful.

What to Expect Next

1. HR Interview – A conversation to get to know you better and align on expectations.
2. Technical Interview – A chance to showcase your skills and experience.
3. Client Interview – Ensuring mutual fit between you and the client team.
4. Offer Stage – If everything aligns, we’ll be happy to make it official.

While many of our roles involve just 2–3 steps, some client processes may include additional conversations. Regardless of the path, we aim to keep every step transparent and respectful of your time.