Senior Software Engineer in England

We are building a green field next-generation platform for private markets.

We are at an early stage of the build and looking for Senior Software Engineers to partner closely with Principal Engineers to design and deliver foundational capabilities.

This is a hands-on role for someone who wants to help shape the architecture, standards, and engineering culture of a new platform while leveraging modern coding practices to deliver high-quality code and infrastructure.

• What you’ll do
• Design and build backend services for the platform, primarily in Go, running on AWS with Postgres as a core data store.
• Own features and services end-to-end: from shaping requirements and technical design through implementation, testing, deployment, and operational support, including taking responsibility for how they run in production.
• Own the technical design of features within key services: contributing to design and architecture discussions, making sound technical decisions in your area, and helping other engineers grow through pairing and code review.
• Help define and evolve the target state architecture for the platform: service boundaries, data models, integration patterns, and reliability/observability standards.
• Use AI tooling (e. g.

Claude and similar) as a force multiplier to accelerate discovery, prototyping, and implementation, while maintaining a high bar for code quality, security, and correctness.

• Collaborate with product, operations, and other engineering teams to integrate the platform with upstream and downstream systems, and to model private markets workflows effectively.
• Contribute to and improve engineering practices across the team: automated testing, code review, design documentation, CI/CD, monitoring, and incident response.
• Work effectively in an early-stage environment with evolving requirements, helping to shape our engineering processes, tooling, and standards as we scale the platform.
• Our stack

We are language-agnostic in principle, but the current stack includes

• Languages: Go (primary), with room for the right tool for specific problems.
• Infrastructure: AWS, Kubernetes.
• Data: Postgres as a core relational store.
• APIs: g RPC and HTTP-based services.
• Tooling: Git Ops, Ia C, observability tooling.

You don’t need prior experience with every technology above, but you should be comfortable learning and working across this kind of stack.

• What we’re looking for
• Must-have experience
• Significant experience as a Senior Software Engineer (or equivalent), building and operating backend systems in production.
• Deep experience in at least one modern backend language (Go, Java, C#, etc.), and an interest in working with Go day-to-day.
• Strong understanding of distributed systems, service design, and API design.
• Practical experience with relational databases, ideally Postgres: schema design, performance considerations, and migration strategies.
• Track record of owning problems end-to-end: engaging with stakeholders, clarifying requirements, making design trade-offs, and delivering working software into production.
• Comfortable working with and evaluating AI tooling in your workflow (e. g. for ideation, code generation, test generation, or documentation), while retaining strong engineering judgement and maintaining quality.
• Nice-to-have experience
• Experience in private markets, capital markets, asset management, or adjacent financial domains.
• Experience working in an early-stage or 0→1 environment, where architecture, tooling, and processes are still being defined.

• Experience with

• Document generation workflows, e-signature platforms, or regulated operational processes.
• Infrastructure-as-code and AWS-based platforms.
• Event-driven architectures, workflow engines, or orchestration systems (e. g. Temporal).
• How you work
• You are pragmatic and delivery-focused, but care deeply about designing systems that are reliable, observable, and maintainable.
• You are comfortable with ambiguity and can help turn loosely defined problems into clear technical plans, making sensible trade-offs under time and information constraints.
• You are keen to learn about the private markets domain, and you can work with product and operations partners to shape workflows and requirements.
• You communicate clearly with both technical and non-technical stakeholders, and you are happy to challenge assumptions constructively.
• You are collaborative and low ego: you give and receive feedback well, and you care about the success of the overall platform, not just your own code.
• Impact

In your first 3-6 months you will

• Design and deliver significant features and components within the platform's core services and workflows.
• Uphold and help improve the platform's engineering standards (testing, observability, operational readiness) in the services you work on.
• Improve the team’s speed and quality of delivery, including through effective use of AI tooling and better development practices.
• Build toward broader technical ownership (e. g. leading the design of a key service or stepping into a Lead role) as the platform and team expand.