Senior Software Engineer, Performativ
APIs & Integrations
+ Equity
3 days a week in office (Fitzrovia House, London)
Wealth management software
Be an early applicant
Wealth management software
21-100 employees
Be an early applicant
+ Equity
3 days a week in office (Fitzrovia House, London)
21-100 employees
Company mission
To revolutionise the outdated and underserved wealth management industry across the continent.
Role
Who you are
- 10+ years of backend engineering experience, with a strong focus on API development and integration
- Deep understanding of open web standards including HTTP, JSON, webhooks, and OpenAPI
- Track record of building reliable, low-latency systems at scale handling millions of daily API calls
- Experience with backend languages like Go, TypeScript (Node.js), Python, or PHP in production environments
- Exposure to Infrastructure and Cloud using AWS and tools like AWS CDK or Terraform
- Familiarity with distributed system architecture, asynchronous processing, and data consistency models
- Excellent communication skills and the ability to explain trade-offs to technical and non-technical stakeholders
- Strong security mindset with knowledge of authentication patterns (e.g. OAuth2, JWT)
- Comfort operating in a hybrid work environment with 3 days per week onsite in central London
- Experience mentoring developers and contributing to team-wide technical strategy
What the job involves
- Join us in building open, high-scale APIs that power fintech - millions of secure HTTP transactions daily
- As a Senior Software Engineer at Performativ, you’ll lead the design and implementation of robust, high-throughput APIs and backend systems. Everything we build is grounded in open web standards - HTTP, JSON, webhooks, OpenAPI - and built for scale, reliability, and clear interoperability
- You’ll work on the core systems that power mission-critical financial infrastructure for institutions across Europe
- Design and implement modern, standards-based APIs using REST and OpenAPI specifications
- Build scalable backend systems that handle millions of HTTP/JSON transactions daily with low latency
- Develop and maintain secure, event-driven integrations via webhooks and callback mechanisms
- Lead the backend design of new products and services, ensuring interoperability and long-term maintainability
- Optimize for resilience, observability, and fault-tolerant behavior across distributed cloud systems
- Deploy infrastructure using AWS CDK and build with modern tools like Golang, TypeScript, Python, and PHP
- Ensure clean interface contracts and clear documentation for client developers
- Collaborate across engineering, product, and security to deliver business-critical functionality
- Mentor engineers and help define backend engineering standards across the team
- Continuously improve performance, security, and scalability of the core API platform
Salary benchmarks
Our take
With the rise of digital-first banking, traditional and legacy financial institutions are struggling to keep up with innovations. Performativ is a digital-first platform for wealth managers and investment advisors, focussing on optimising advisory solutions and the customer experience of high net worth individuals (HNWIs).
Performativ offers front, middle and back-end tools to financial service providers - such as investment advisors - suggesting optimisations for their operations while helping to future-proof financial infrastructure. The company claims to achieve 70% reductions in operating costs and a 2x faster onboarding process - boasting undeniable value for its clients.
Managing over €20B in assets spanning various classes, Performativ caters to the diverse needs of financial institutions and wealth managers, and is positioned to be a key player in reshaping the future of financial services. Recent seed funding will be used to accelerate its growth, expand its offering and increase its client base as it addresses a sector in dire need of digital innovation.
Kirsty
Company Specialist at Welcome to the Jungle
Company
Funding (2 rounds)
Nov 2023
$6.5m
SEED
Aug 2021
$0.7m
SEED
Total funding: $7.2m
Company benefits
- A dynamic work environment: Become part of the energetic atmosphere of a fast-growing FinTech startup
- Flexible Working Hours: Enjoy the flexibility of managing work hours in a way that makes sense for you and your tasks
- Professional Development Fund: Generous annual fee to participate in courses and conferences and improve professional skills and knowledge
- Continuous Feedback Culture: Feedback is frequent, constructive and two-way. Regular check-ins ensure that you are purposeful, recognized and always on a path to growth
- Personal growth: Embrace opportunities for professional and personal development while working alongside some of the brightest minds in the fintech industry
- Collaborative Culture: Here your ideas are heard, your contributions are valued, and your growth is a shared priority
- The Performativ Experience: Get involved with a product that is making waves in the industry
Company HQ
Middelalderbyen, København
Leadership
Peter Barry
(CTO)Previously led Development Operations at Goldman Sachs, was the Founder of cell five and worked as a Cloud Architect and Technical Manager in a consultancy capacity.
Albert Geisler Fox
(CEO)Previously an Investment Consultant at Kirstein and Financial Analyst at TV2 DANMARK. Also worked as a Software Engineer at Meebox.
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