Senior Backend Engineer

Tangible; Remote; GBP 60,000 - 80,000; Full time

Job summary

A tech-driven liquidity solutions firm based in the Greater London area is seeking a Senior Backend Engineer to design, build, and optimize scalable applications. The ideal candidate will have expertise in Python and RESTful API development, along with strong knowledge of Postgres and AWS. This full-time position offers the opportunity to contribute to an innovative team and shape the future of private markets.

Qualifications

• 3 years of professional experience with Python, experience with Golang is a plus.
• Proven ability to design and maintain RESTful APIs with a strong focus on performance and reliability.
• Solid expertise with Postgres or similar relational databases.
• Hands-on knowledge of AWS (ECS, RDS, S3, CloudWatch) and containerization (Docker).
• Strong understanding of scalability testing and security best practices in distributed systems.
• Familiarity with modern backend architectures (e.g., microservices, event-driven design).
• Excellent communication skills in English.

Responsibilities

• Build and optimize backend systems and APIs focusing on scalability and reliability.
• Design robust data models in Postgres ensuring schema quality and data integrity.
• Lead deployment of containerized applications in AWS environments.
• Contribute to architectural decision-making and promote testing and security best practices.
• Partner with frontend engineers and product managers for end-to-end solutions.
• Foster development of junior engineers through guidance and onboarding support.
• Own the full backend lifecycle from design to deployment.

Skills

Python

RESTful API design

Postgres

AWS

Containerization (Docker)

Scalability testing

Communication skills

Job description

Tangible is a fast-growing tech-driven platform providing liquidity solutions to LPs and GPs in the private‑markets secondaries space. By combining deep sector expertise with modern infrastructure we unlock liquidity across private equity, private credit and real assets transforming the industry and enabling investors to move faster and smarter.

We are looking for a Senior Backend Engineer with strong expertise in Python and modern backend systems to design, build and optimize scalable, secure and high‑performance applications. The ideal candidate will bring hands‑on experience in API development, databases and cloud infrastructure combined with a passion for delivering clean, well‑tested and maintainable code.

This role is open globally to full‑time contractors who can work standard Central European Time (CET) hours.

Tasks

• Build and optimize backend systems and APIs with a focus on scalability, reliability and meeting SLAs.
• Design robust data models in Postgres ensuring schema quality, query optimization and data integrity.
• Lead deployment and management of containerized applications in AWS environments.
• Contribute to architectural decision‑making and promote best practices in testing, security and performance.
• Partner with frontend engineers, product managers and designers to deliver end‑to‑end solutions.
• Foster the development of junior engineers through guidance, knowledge exchange and structured onboarding support.
• Own the full backend lifecycle – from initial design to deployment and ongoing monitoring.

Requirements

• 3 years of professional experience with Python (experience with Golang is a plus).
• Proven ability to design and maintain RESTful APIs with strong focus on performance and reliability.
• Solid expertise with Postgres or similar relational databases.
• Hands‑on knowledge of AWS (ECS, RDS, S3, CloudWatch) and containerization (Docker).
• Strong understanding of scalability testing and security best practices in distributed systems.
• Familiarity with modern backend architectures (e.g., microservices, event‑driven design).
• Excellent communication skills in English with the ability to collaborate across functions.
• Experience using AI‑assisted development tools (e.g., Cursor AI) to enhance productivity, code quality and collaboration.
• Thrives in a fast‑moving startup environment – flexible, proactive and self‑directed.

If you meet the requirements above and you’re excited to shape the future of private markets and work alongside a brilliant team of engineers, ex‑bankers and startup superstars, we’d love to hear from you.

Employment Type: Full Time

Experience: years

Vacancy: 1