Senior Software Engineer (Fixed Term) New London

Fideres delivers effective economic analysis and testimony, turning data into courtroom advantage. As global litigation experts, we help law firms secure new cases and offer unbiased, conflict‑free insights for complex and innovative disputes. Driven by rigorous analysis, we empower justice— for all—from case strategy to victory. By dedicating ourselves solely to litigation‑based economic analysis, we can provide truly unbiased assessments and maintain our commitment to objectivity.

Our Competition litigation consulting team has provided expert opinions on major antitrust legal actions against Big Tech (including Apple, Amazon and Facebook), Big Pharma, Big Finance and Big Agriculture. Meanwhile our original and innovative investigations into river sewage and Covid‑19 have led to national press coverage. Our Financial and Securities Litigation team has worked on many of the most significant global cases involving securities fraud, market manipulation and financial cartels of the past decade, contributing expert opinions, and advising global law firms, institutional investors and regulators.

As a Senior Software Engineer, you will apply experienced hands‑on technical knowledge, vision and an innovative mindset to help us expand, build and maintain the data infrastructure and software libraries needed to support the quantitative research of our economists. You will have experience gathering requirements and contributing to sprint planning. We make use of kanban and sprint cycles to plan and stay on top of output. Our target stack relies heavily on Python, containerisation, infrastructure as code, CI/CD and the Azure cloud. We work across the full spectrum of data sourcing and ETL to front‑end delivery. Projects areas include the front office and internal tooling. Our short term goals include migrating on‑prem tooling to cloud‑native infrastructure, improving our API infrastructure and development platform tooling to enable fast, frictionless deployment of new projects. This role will be fixed term for 6 to 12 months, depending on the successful candidate's preference, with the possibility of extension. The position is based in our London office.

Key Accountabilities

• Planning and execution. Breaking project work down and able to accurately estimate task effort.
• Work collaboratively with our economists to build and develop tools and systems to support our quantitative research.
• Developing and deploying API services.
• Designing and developing web scraping infrastructure.
• Code design and review feedback for economists and junior developers.
• Coach quantitative economists and junior developers, collecting user feedback, and suggesting features/updates.
• Contribute to growing engineering standards and practices.
• Contributing to technical, client‑facing projects, as an example by managing ETL process and/or optimizing algorithm performance for analysis.
• Contribute to the team ownership of production services, troubleshooting where necessary.
• Own technical direction, comfortable making architectural decisions, leading project delivery.

Key Skills and Attributes

The successful candidate will have:

• A keen interest or background in financial markets and/or economics, and a strong belief in fair and transparent markets.
• A strong record of academic achievement with a relevant degree (computer science, economics or finance).
• Responsive to stakeholder needs. Has excellent problem‑solving and quantitative skills, including the ability to disaggregate issues, identify root causes and recommend solutions.
• Self‑motivated to perform in a demanding business environment and to assume a wide range of responsibilities.
• Takes ownership/accountability, is focused on delivery and committed to seeing projects through to their close.
• Excellent written and verbal communication, including the ability to explain complex topics to non‑specialists.
• Has integrity, initiative, and is not afraid to express an opinion and offer new solutions.

Technology skills required for the role:

• Python – the central language in our stack.
• Experience working with multiple databases, relational and document‑based.
• Comfort working with large data sets, 100+ terabytes.
• Experience designing, developing and deploying performant APIs.
• Experience with DevOps tooling: Git, CI/CD, package repositories, credentials stores.
• Knowledge of container technologies such as Docker.
• Exposure to complex financial data.
• Extraction of data from semi‑structured sources such as PDFs.
• Knowledge of web‑scraping frameworks and design patterns.

Why Fideres

Fideres’s vision is to become the leader in litigation‑only economic consulting globally, free of corporate conflicts. Following years of growth, over the past two years Fideres has started to expand internationally and we now have offices established in London, New York, Rome and Madrid. We plan to open an office in Australia and to grow our presence in France and Germany. We are looking for candidates, who are committed to Fideres’s strategy and values, and who are willing to grow in this phase of our company’s expansion.

What We Offer

You will get to work in a highly innovative environment where training and development is put at the top of the agenda to ensure that our staff are at the leading edge of their academic knowledge, and where rapid career progression is available to proactive employees who reach out for opportunities. We offer competitive salaries and bonuses, and competitive benefits. We are proud of our values and our diverse and international workforce, and we are committed to building a working environment where employees feel safe, welcome and able to have an open and respectful dialogue on diversity issues.

Transparent Pay

We have a transparent and internally published pay structure by role, we do this as part of an equal pay initiative across our offices. We offer all our employees a learning and development budget to spend flexibly on role relevant training needs. Support for further professional qualifications, apprenticeships and further education is also available. There is no risk of being pigeon‑holed at Fideres as our employees are able to reach for opportunities as they see them without being restricted by corporate bureaucracy. We offer all normal standard benefits such as a competitive holiday allowance with the opportunity to purchase 10 days additional holiday, monthly social events, private medical insurance, a gym subsidy, equal family leave for all employees, along with other benefits.