Job Overview
About the Role:The team:
In this role, you will support the Optimisation Legal Division on regulatory matters, commercial contracts, new initiatives and projects, and other generalist legal matters. You will be a key partner to the Legal, Risk and Compliance (LRC) function as well as to the broader organisation including, sales, product and senior management. We value partnership and it is crucial that you are a strong contributor with a global mindset in order to be successful within our organisation.
You will have the opportunity to work in a dynamic environment and be part of a global, highly matrixed team that provides crucial support to OSTTRA. There will be multiple opportunities for you to develop your skills and grow in your role.
This role reports into the Head of Legal & Regulatory for Optimisation based in Stockholm.
Responsibilities and impact:
Together, we build, support, protect and manage high performance, resilient platforms. Our services are vital to financial institutions around the global, managing peak volumes and working with customers and regulators to ensure the efficient management of risk and effective operation of global capital markets.
Regulatory Management & Compliance
- Oversee day-to-day regulatory matters across APAC, EU, UK, and the US.
- Assess legal/regulatory risks for new products and features, collaborating with internal teams and external counsel to find viable solutions.
- Manage regulatory interactions, including licensing applications, mandatory notifications, audit requests, and consultation responses.
- Monitor global regulatory shifts and work cross-functionally (Risk, Tech, Finance) to implement required changes.
- Maintain a centralized repository and tracker of all internal and external legal advice.
Commercial Contracts & Playbooks
- Draft, negotiate, and update a wide range of commercial agreements (e.g., client, CCP, vendor, licensing, data, and intragroup contracts).
- Adapt contract templates and fee letters to support new product launches and changing market practices.
- Develop and maintain legal playbooks and sales guidance to streamline commercial workflows.
- Continuously improve, simplify, and optimize the organization's contracting approach based on feedback.
Global Collaboration & General Support
- Partner with international legal colleagues (London, Stockholm, India, NY, Israel) on cross-border and topical legal issues.
- Review sales and marketing collateral to ensure compliance.
- Provide ad-hoc generalist legal support to the wider division and organization as needed.
What we’re looking for:Fundamental requirement:
- A qualified lawyer in the UK and/or US.
- 3-4 years’ experience in a legal function at a regulated financial services firm (preferably a bank, brokerage, exchange, or trading venue) or as a financial services lawyer at a law firm.
- Have experience handling regulatory matters in the UK and US as well as experience in drafting and negotiating contracts.
Additional preferred requirements:
- Service-minded and responsive to the needs of the business.
- Able to turnaround work quickly and accurately within agreed deadlines.
- Able to manage client and business expectations without significantly increasing legal and regulatory risks.
- Able to learn quickly and work effectively in line with changing priorities.
- Strong language competency.
- Able to work independently and exercise discretion when escalating issues.
- Strong organisational skills and attention to detail.
The location: London, United Kingdom
Right to work requirements:
This role is limited to persons with indefinite right to work in the UK
Our Benefits: Global vision, local impact
At OSTTRA, our benefits philosophy offers a market-competitive package that reflects our position as an industry leader. We want to ensure you feel valued, secure, and empowered wherever you are in the world.
Our approach is built on three core pillars:
- Global foundations: We provide a baseline of excellence across all our offices, focusing on comprehensive Health & Wellness, Financial Security, and Work-Life Balance. No matter your location, you are part of a culture that prioritizes your holistic well-being.
- Locally tailored: We benchmark in each market to ensure our packages are genuinely competitive where you live and work.
- Flexibility and growth: We empower you to work in a way that suits your life. This includes a hybrid working model, generous leave policies, and a commitment to your continuous professional development.
The Trust employee ownership plan
Every employee at OSTTRA is an owner, and a member of The Trust, our employee ownership programme. Our distinct culture encourages colleagues to think and act like owners and raise the bar constantly.
This plan reflects our belief that when we work together to build a stronger, more valuable organisation, then all colleagues should benefit from the value we create.
About OSTTRA
We build and operate the infrastructure that the world’s post-trade financial system runs on. Launched in 2021, we have unified more than 20 years of heritage and expertise from four industry leaders into a single, integrated business.
Today,we operate a trusted network that connects thousands of market participants to streamline end-to-end workflows, from trade capture through portfolio optimisation.We translate industry change into workable process, engineering an open, intelligent ecosystem that removes friction and reduces risk for the global markets.
Our distinct ownership culture is underpinned by four behaviours: boldness, curiosity, accountability, and collaboration. In 2025 we were acquired by KKR, one of the world’s most successful private equity firms, and are on a journey of growth and impact.
Joining our team now is a unique opportunity - you will help to shape the next generation of post-trade, transform shared infrastructure into shared benefit, and accelerate your own career. Learn more at www.osttra.com.
Equal opportunity employer statement at OSTTRA:
We are committed to fostering a connected and engaged workplace where all colleagues have access to opportunities based on their skills, experience, and contributions. Our hiring practices emphasise fairness, transparency, and merit, ensuring that we attract and retain the best talent. By valuing different perspectives and promoting a culture of respect and collaboration, we drive and operate the infrastructure that the world’s post-trade financial system runs on
