Senior Technical Business Analyst - FINTECH / LONDON

Adaptive Financial Consulting Ltd; Manor Park; Hybrid; GBP 65,000 - 90,000; Full time

Benefits offered by this job

Hybrid working model

Well-being benefits

Job summary

Adaptive Financial Consulting Ltd is seeking a Technical Business Analyst to bridge product vision and delivery within a fast-moving financial tech environment. You will collaborate with engineering, QA and architecture, turning complex ideas into backlog items, stories, and testable outcomes.

You’ll define acceptance criteria upfront and drive backlog estimation and planning across the team. You will work in a hybrid model, engaging with stakeholders to ensure solutions meet business goals,

Qualifications

• Background as a software engineer (senior Java) moving into technical business analysis.
• Strong technical and domain-driven mindset for close work with engineering teams.
• Hands-on experience with high-performance messaging platforms (Aeron, Kafka, Hydra) including ordering and distributed systems.

Responsibilities

• Collaborate with engineering, QA and architecture to translate solutions into backlog items and testable outcomes.
• Define acceptance criteria and tests upfront in a Business-Driven Development approach.
• Drive backlog review, estimation, and planning activities.

Skills

Senior Java dev

Technical BA

Messaging systems

Low-latency

QA experience

Agile/Kanban

Architecture input

Process flows

Tools

Aeron

Kafka

Hydra

Job description

Collaborate with engineering, QA, and architecture teams to translate complex technical solutions into structured backlog items, deliverable stories, and testable outcomes.

Help stakeholders make their vision for the product materialise, especially in the early stages of each delivery phase.

Be the stakeholders' proxy in the team - able to make quick, firm decisions on scope, requirements and prioritisation/triage.

Drive backlog review and estimation processes, and take part in planning activities.

Define acceptance criteria and tests up front as part of a Business-Driven Development approach.

Follow up during implementation and testing phases to ensure delivery satisfies requirements.

COLLABORATE ACROSS THE TEAM:

Work closely with QA to assess failure scenarios and help distinguish bugs, enhances, and new feature requirements.

Facilitate discussions across technical and business stakeholders to drive clarity, alignment, and sound decision-making.

Support delivery, implementation, and release processes, ensuring solutions align with business objectives, customer use cases, and non‑functional expectations.

Help improve operational processes and workflows – both internally and externally – bringing a calm, pragmatic and collaborative approach.

WHY US:

To be immersed in high‑standard engineering culture. Our fantastic team takes pride in crafting complex technical solutions but also loves sharing their knowledge and helping you grow professionally (we have extraordinary minds at Adaptive ) You can learn from anyone here, which is the beauty of it.

To take part in the growth and development of a great company.

Our teams feel free to speak up, make suggestions and raise concerns.

Collaborative team environment: we all work together, respect each other, and pitch in.

Great consideration for work/life balance (highly‑flexible, hybrid working model, well‑being benefits...). The balance between professional and personal life is massively important to us.

We work hard to provide a positive, collaborative and inclusive culture and to positively impact our staff and local communities through different well‑being, diversity and inclusion. programmes.

A strategic thinker who can zoom out to understand the big picture and zoom in to nail the details.

A natural bridge-builder – equally comfortable in a room full of engineers and a room full of stakeholders.

A problem-solver who thrives in ambiguity and brings calm, clarity, and structure to complex situations.

A curious mind who genuinely enjoys understanding how systems work, not just what they need to do.

A collaborative team player who believes the best solutions come from diverse perspectives.

YOU HAVE:

• A background as a software engineer (ideally a senior Java developer) who has moved, or wants to move, into a technical business analysis role.
• A strong technical and domain‑driven mindset, with the ability to work closely with engineering teams.
• Hands‑on experience with high‑performance messaging or sequencing platforms such as Aeron, Kafka, Hydra, or equivalent – including an understanding of message ordering, state machine replication, and fault‑tolerant distributed systems
• Demonstrable exposure to low‑latency or high‑throughput messaging infrastructure in a financial or similarly demanding technical environment
• Experience in QA, Software Engineering, Technical Business Analysis, or another highly technical product environment.
• A product‑first mindset, combining Domain‑Driven Design principles with a deep understanding of systems and user impact.
• The ability to define and document functional and non‑functional requirements clearly and effectively.
• An understanding of performance, scalability, resilience, and availability in modern platforms.
• Experience working in Agile or Kanban environments across the full software development lifecycle.
• Confidence contributing to architecture and design discussions, simplifying complex challenges into deliverable solutions.
• The ability to create process flows, sequencing diagrams, and documentation that align technical and operational teams.

YOU WILL:

DRIVE CLARITY IN COMPLEX ENVIRONMENTS:

• Operate confidently in ambiguous situations, shaping requirements and driving alignment with minimal direction.
• Adapt to different delivery models across products, including engineering‑led and BA‑led ways of working.
• Define and maintain functional and non‑functional requirements – including operational scenarios, acceptance criteria, and QA validation needs across distributed workflows
• Ask the right questions early, so that solutions are well understood, well defined, and ready to be delivered.

At Adaptive, we are a financial consulting firm that partners with capital, commodity, and digital market participants. We value differentiation through technology.

Our experienced teams design and deliver complex front‑office technology solutions using our proven accelerators to create long‑term competitive advantage.

Our clients include the world's leading investment banks, investment managers, fintechs and capital market service providers.

With a global reach with offices in London, New York, Manila, Barcelona and Montreal, we have a proven track record of delivering powerful, elegant and intuitive trading technology solutions.

We are now looking for a Technical Business Analyst to join our team – someone who can bridge the gap between high‑level product vision and detailed delivery execution in a complex, fast‑moving technical environment.

2- A zoom chat with one of our BA colleagues where they will ask you detailed questions about your experience

3- A Face to Face interview (via Zoom).

But don't worry; everything will be explained to you step by step by your recruiter.

Here is a little tip for you during those stages:

Collaboration is massively important to us, so don't hesitate to share your thoughts, ask questions, ask for help if needed, etc

DIVERSITY AND INCLUSION:

Diversity and inclusion are key to a great workplace, and Adaptive is better when it's more representative of the world around us. We want everyone to feel comfortable bringing their whole selves to work without any fear of judgment or negativity.

All we ask is that our colleagues are respectful, collaborative, passionate about what they do, and have the skills needed to be successful in their roles

Background check: the employment/engagement is subject to an acceptable background check that will be run by Adaptive