Technical Lead

About NextWave 

NextWave is an award-winning Digital Acceleration Consultancy for Financial Services with a particular focus on rapidly driving business outcomes and modernising Financial Institutions through technology. Clients come to NextWave because they have key integration, business growth, efficiency and control objectives and seek a more future-focused alternative to the big-name consultancies. Strategy, Innovation, Complex Transformation, FinTech Solutioning and Social Enterprise are at the heart of what we do.

By combining deep industry expertise with the innovative deployment of business solutions built on market-leading technology, we enable clients to realise business outcomes better, faster and safer. We help our clients to define their strategies and partner with them to execute, often deploying fintech and low-code solutions which can typically be delivered 5x faster than traditional approaches, resulting in processes automated from weeks to minutes and data decision accuracy improvements of up to 90%.

The NextWave team comprises high-calibre Financial Services industry change leaders, including ex-MDs from top-tier firms and new talent. We are the consulting partner of choice for leading FinTechs, Banking, Asset & Wealth Management, Insurance, and Market Infrastructure clients.

As a Technical Lead, you’ll lead and mentor a team of data engineers to build scalable, production-grade data solutions within an agile environment. You’ll play a key role in deploying Quantexa solutions using technologies such as Spark, Hadoop, Scala, and Elasticsearch, across cloud environments including GCP, Azure, and AWS.

You’ll collaborate with solution architects and engineers to deliver high-quality, fault-tolerant systems for complex data challenges. You’ll also act as a technical advisor to clients, simplifying complex concepts to support informed decision-making.

• Lead, mentor, and support a team of data engineers within an agile delivery framework.
• Design and write robust, efficient code for production data processing systems.
• Configure and deploy the Quantexa software using modern big data tools and cloud platforms.
• Translate technical concepts for non-technical stakeholders and clients.
• Promote best practices, collaboration, and knowledge sharing across engineering teams.

• 5+ years of experience in data engineering or a similar technical role, with at least 2 years in a leadership position.
• Proficient in Scala (preferred), Java, Python, or equivalent.
• Experience building and deploying production-level batch data processing systems.
• Strong understanding of software development best practices and release processes.
• Hands-on experience with tools like Git, Gradle, Jenkins, Docker, and Nexus.
• Skilled communicator, comfortable working with clients and cross-functional teams.
• Familiarity with testing libraries (e.g., ScalaTest) and different testing approaches (unit, integration).
• Hold Quantexa certification(s).
• Experience mentoring or managing engineering teams.
• A passion for innovation and driving business growth.
• Strong technical, analytical, and communication skills across all organisational levels
• Proven stakeholder management and engagement expertise
• Excellent problem-solving with a logical, structured approach
• Highly organised with a track record of delivering complex outcomes
• Clear and effective communicator, both written and verbal

• Competitive salary
• Agile/ Flexible working
• Professional training and accreditation
• Central London location

Our commitment to you:

We will provide mentoring, training and guidance (technical skills, soft skills and Finance business skills) from our leadership team who have many years of practical experience delivering business outcomes in the Finance arena.

Work pattern:

This is a permanent role with a potential for flexibility for agile ways of working, both formal and informal, that allow for the best outcomes for our people and our clients.

What we do:

We provide Consulting expertise and delivery services with a focus on a select group of progressive technology platforms which are helping to change the FS Industry.

The evolution of today’s digital business landscape requires firms to reinvent to stay relevant and succeed in the new market, at a pace not seen before. Opportunities and threats are emerging from traditional and non-traditional sectors, driving new strategies across the dimensions of clients, competition, data, innovation and value. A new stack of FinTech platform technologies is enabling firms to reinvent their value proposition to collaborate and compete on customer experience, data insights, operational resilience and time to market.

Location:

You will be based in the NextWave London office, however, travel may be required for client-based projects and some projects will be located fully at client office locations.