Senior Software Engineer – Data

Do you want to help define the future of finance?

Are you a strong software engineer who is passionate about data, distributed systems, and delivering impact at scale? Are you looking for a values-driven company that invests in its people and gives you the autonomy to shape critical systems, while staying close to the code?

We're looking for a Senior Software Engineer to join Elliptic's Product-Engineering organisation, focusing on data engineering solutions that power our blockchain analytics and intelligence products. This is a hands‑on engineering role: as a senior member of the team, you will spend the majority of your time designing, building, and shipping the data platform yourself, while driving the technical direction that ensures it continues to meet the growing demands of blockchain analysis.

Challenges include building a blockchain‑agnostic solution that scales globally, processing large batch and streaming datasets, and solving complex data processing problems that give our customers deep insights into the flow of value across the crypto ecosystem.

The impact you will have

Our data and intelligence platform sits at the heart of everything we do. As a senior engineer, you will personally design and build data systems that serve as the backbone of all Elliptic products. By collaborating across blockchain, intelligence and product teams, you will deliver innovative features that help the world fight financial crime and increase transparency in the crypto space. Very few engineering roles have such clearly measurable real‑world impact.

You will also help us excel in engineering excellence by mentoring and upskilling our highly‑engaged and passionate engineers, by championing best practices, and holding yourself and your team to a high standard.

What you will do

• Write, ship, and maintain production code as a hands‑on engineer.
• Architect, design, and implement large‑scale distributed data systems and pipelines.
• Contribute to technical decision‑making across batch and streaming data solutions.
• Collaborate with engineers, product managers, data scientists, and intelligence analysts to build customer‑focused products.
• Explore and integrate new technologies (e.g. data orchestration or cloud‑native tools) to optimise performance and scalability.
• Take shared ownership of data systems, from design to deployment and ongoing improvement and support.
• Perform thoughtful peer reviews that raise code quality and share best practices across the team.
• Contribute to platform‑wide initiatives that improve reliability, observability, and cost efficiency.
• Help shape the technical roadmap for data engineering across Elliptic.
• Leverage and deploy AI and agentic systems to operate more effectively.

Tech environment

Scala | Spark | Databricks | AWS | Airflow | Kubernetes | Terraform | Functional Programming

You will thrive here if you

• Enjoy end‑to‑end ownership, from writing the code to architecture design to coaching others through delivery.
• Strive for engineering excellence and scalable, sustainable systems.
• Use data and experimentation to guide decisions.
• Communicate openly and collaborate across teams.
• Support and coach less‑experienced engineers.
• Believe every challenge is an opportunity to simplify and innovate together.
• Enjoy working with AI to benefit the company, your team and yourself.

What we are looking for

• Hands‑on production experience with Scala and functional programming.
• Ability to design, build, and maintain distributed data systems in a cloud‑based environment.
• Hands‑on experience with big data frameworks such as Spark or Databricks.
• Knowledge of cloud infrastructure (AWS, GCP, or Azure).
• Judgement to balance scalability, performance, and maintainability.
• Experience with data modelling and workflow orchestration.

Bonus points for

• Experience in stream processing frameworks and event‑driven architecture.
• Hands‑on experience with Infrastructure as Code (Terraform, CloudFormation).
• Experience working in containerised environments (Docker, Kubernetes).
• Interest in AI‑driven tooling for engineering workflows.
• Interest in crypto and blockchain technologies.

Job Benefits

> How we work:

• Hybrid working and the option to work from almost anywhere for up to 90 days per year
• £500 Remote working budget to set up your home office space

> Learning & Development:

• $1,000 Learning & Development budget to use on anything (agreed with your manager) that contributes to your growth and development

> Vacation/ Leave:

• Holidays: 25 days of annual leave + bank holidays
• An extra day for your birthday
• Enhanced parental leave: we provide eligible employees, regardless of gender or whether they become a parent by birth or adoption, 16 weeks fully‑paid leave and leave.

> Benefits:

• Private Health Insurance - we use Vitality!
• Full access to Spill Mental Health Support
• Life Assurance: we hope you will never need this - but our cover is for 4 times your salary to your beneficiaries
• Cycle to Work Scheme

We know Diversity and Inclusion is much deeper than just hiring, but it’s important for us to mention it here. We welcome and embrace individuals of all backgrounds and identities at Elliptic, and this is an ongoing priority for us. We know incredible people don’t all think in the same way. We want to be challenged every day. We believe our diverse team of individuals underpins this by bringing creative thinking and innovation to Elliptic every day. We are committed to creating a diverse, inclusive and equitable workplace, so we welcome applications from everyone, even if you may not think you fit all of the requirements of our roles. We foster an environment of psychological safety, where everyone feels comfortable to bring their whole self to work.

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