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Fideres

Senior Software Engineer (Fixed Term)

London

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Role family
Engineering
Seniority
Senior
Country
GB
Work mode
On-site / unstated
First seen by hirly
28 Sept 2026

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the posting

About Us

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.

About this Role

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

Some notable responsibilities will include:

Planning and execut ion. 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 e xcellent 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

Tec hnology s kills 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 automating DevOps via platform tooling

Experience with DevOps tooling: Git, CI/CD, package repositories, credentials stores

Knowledge of container technologies such as Docker

Experience developing for cloud-first deployments (AWS/Azure/GCP) using infrastructure as code tooling (e.g. Pulumi)

Desirable:

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.

Our Benefits

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.

Continuous Learning

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.

Benefits

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.

Application Process

Applying

To apply, you will need to send us your CV and cover letter via the application form below. Please note that we consider a thoughtful and well considered cover letter to be an integral part of our application process.

Pre-Interview Assessments

Depending on the role you are applying for, you may be asked to complete a pre-interview assessment relevant to the role. This allows us to see if you have some of the necessary technical skills required for the role, and it can also give you an idea of some of the skills that would be required.

Interviews

For the majority of our roles, we have a three stage interview process. The main purpose of our interviews is to further assess your technical skills, your communication skills (team and client) and make sure that you have sufficiently researched what we do and the role itself. More generally it is a chance for us to get to know each other better.

A typical interview process would look a bit like this:

First Interview: Technical with a team member

Second Interview: Cultural fit interview

Final Int

Original posting on Fideres's site ↗

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