numi

About the Company

We scale tech companies and help people move forward, we have a profound reputation for results, crafting solutions with you to deliver a human-centric approach to recruiting.

Numi is all about the creation of a "new me", by listening closely to each person's unique motivations, we help candidates to become the best versions of themselves.

We give you access to our networks, built over 40 years between our founders, trusted by Europe's most ambitious tech companies, from small start-ups & scale-ups to enterprise, we are your team-building team.

The services we offer cover executive search, team builders and solutions partnership.

Our mission, our goal, our commitment is to deliver impact, partnering with you as "one-team" to ensure results.

Our values are diversity, trust, delivering excellence, oneteam & fun

Whether you're looking for a new job or are hiring, get in touch!

Listed Jobs

Company Name

numi

Job Title

Principal Engineer

Job Description

Job Title: Principal Engineer Role Summary: Hands‑on senior IC who drives technical direction for a fintech platform, solves high‑complexity problems, mentors senior engineers, and leads through example without direct line management. Expactations: • 10‑15 years of software engineering experience, proven track record in building scalable, maintainable services. • Deep expertise in Python and cloud‑native architecture (AWS, GCP, or Azure). • Strong communication skills to collaborate with technical and business stakeholders. • Demonstrated ability to influence architecture decisions and mentor teams. Key Responsibilities: • Solve the most challenging issues in fintech (e.g., core data reliability, large‑scale system performance). • Define and articulate the technical roadmap and data architecture for the product stack. • Mentor senior engineers, guiding architectural choices and fostering skill growth. • Deliver training sessions, facilitate tech discussions, and raise overall team capabilities. • Act as the technical voice in cross‑functional meetings, ensuring alignment between engineering and business goals. Required Skills: • Python (advanced). • Cloud expertise: AWS, GCP, or Azure. • Experience designing and evolving scalable, production‑grade services. • Strong problem‑solving and analytical abilities. • Excellent written and verbal communication. • Ability to mentor and influence without formal authority. Nice to Have: • Familiarity with Vue, Nuxt, React, or Next. • Interest or experience in fintech domain. Required Education & Certifications: • Bachelor’s (or higher) in Computer Science, Engineering, or related technical field. • No mandatory certifications, though relevant cloud credentials (e.g., AWS Solutions Architect, GCP Professional Cloud Architect) are a plus.

London, United kingdom

Hybrid

Senior

29-10-2025

Company Name

numi

Job Title

Python Developer

Job Description

**Job Title** Python Developer **Role Summary** Mid‑level Software Engineer responsible for designing, developing, and maintaining event‑driven, loosely‑coupled services that support the Client Onboarding Value Stream. The role involves hands‑on programming in Python, building AWS Serverless components, and ensuring high code quality through testing and CI/CD pipelines. **Expectations** - 2–6 years of professional Python development. - Proven experience with Pandas, Polars, and Pytest. - Familiarity with AWS Serverless architecture (Lambda, API Gateway, DynamoDB, SNS/SQS, Step Functions). - Comfortable with PostgreSQL data modeling and queries. - CI/CD proficiency (GitHub Actions, Jenkins, GitLab CI, or equivalent). - Ability to work in an Agile setting and understand Domain‑Driven Design concepts. - Mentorship of junior engineers and collaborative team contribution. **Key Responsibilities** - Architect and implement core components for client onboarding. - Convert business requirements into scalable, event‑driven services. - Write clean, test‑driven Python code and maintain documentation. - Integrate data pipelines using Pandas/Polars and serve results via APIs. - Deploy and manage serverless functions on AWS. - Configure and monitor CI/CD workflows. - Participate in Agile ceremonies (stand‑ups, sprint planning, retrospectives). - Coach and pair‑program with junior teammates. **Required Skills** - Python 3.x (proficient coding, standard library, virtualenv/venv). - Data manipulation libraries: Pandas, Polars. - Testing frameworks: Pytest. - Relational database: PostgreSQL (schema design, SQL). - AWS Serverless stack (Lambda, API Gateway, DynamoDB/S3, SNS/SQS, CloudFormation/Terraform). - CI/CD tools (GitHub Actions, GitLab CI, Jenkins). - Version control with Git. - Agile development practices. - Familiarity with DDD and event‑driven architecture. - Strong debugging and performance optimization skills. **Required Education & Certifications** - Bachelor’s degree in Computer Science, Software Engineering, or related field (or equivalent experience). - Optional certifications: AWS Certified Developer – Associate, AWS Certified Solutions Architect – Associate.

London, United kingdom

Hybrid

Mid level

04-11-2025

Company Name

numi

Job Title

Devops Lead

Job Description

Job title: Devops Lead Role Summary: Lead the design, implementation, and operation of a cloud-native infrastructure that supports mission‑critical, low‑latency voice and AI services. Own reliability, security, and observability of a platform built on Terraform, AWS, Docker, Kubernetes, and Kafka. Drive culture and engineering practices from day one. Expactations: Deliver end‑to‑end ownership of platform stability (99.9%+ uptime), enforce Zero Trust security, and embed compliance (GDPR, PIPA) into all infrastructure layers. Act as the primary incident responder and continuously improve incident handling processes. Key Responsibilities: • Build and maintain IaC on AWS with Terraform; manage EKS clusters and Kafka streams. • Design and run CI/CD pipelines for microservices using GitHub Actions or similar. • Implement Zero Trust controls: IAM, mTLS, micro‑segmentation, immutable logging. • Own observability stack (Prometheus, Grafana, OpenTelemetry) and alerting for performance and security metrics. • Lead incident response, root‑cause analysis, and post‑mortem creation to sustain high availability. • Embed and enforce regulatory compliance across infrastructure. Required Skills: • 3–5+ years in DevOps, SRE, or Platform Engineering. • Terraform / IaC, AWS, Docker, Kubernetes (EKS) expertise. • CI/CD pipeline design and automation skills. • Observability tooling (Prometheus, Grafana, OpenTelemetry). • Scripting proficiency (Python or Go). • Strong problem‑solving, proactive ownership, and experience in fast‑paced, high‑impact environments. Nice‑to‑Have: Zero Trust/mTLS, low‑latency/high‑throughput systems, Apache Kafka, Kubernetes automation tools (ArgoCD). Required Education & Certifications: • Bachelor’s degree in Computer Science, Engineering, or related field, or equivalent experience. • AWS Certified Solutions Architect or equivalent cloud certification preferred.

London, United kingdom

Hybrid

Senior

24-11-2025

Company Name

numi

Job Title

Lead Product Manager

Job Description

**Job title:** Lead Product Manager – Platform / Developer Experience **Role Summary:** Own and drive the strategy, roadmap, and execution of a next‑generation internal developer platform that unifies infrastructure, observability, orchestration, and documentation for hundreds of engineering teams. Deliver friction‑free, secure, and cost‑efficient developer workflows while leveraging data, research, and AI to continuous improvement. **Expectations:** - Lead platform product vision and strategy with a customer‑centric mindset focused on internal engineers. - Translate complex engineering requirements into clear, compelling product decisions. - Mentor or grow a PM team as the organization scales. **Key Responsibilities:** - Define and evolve “golden paths” that streamline onboarding, deployment, and day‑to‑day engineering activities. - Integrate infrastructure, observability, orchestration, and documentation into a unified developer experience. - Identify and remove bottlenecks, toil, and cognitive load through design, automation, and governance. - Build quantitative and qualitative measurement frameworks to drive data‑based product decisions. - Automate governance, compliance, cost visibility, and infrastructure hygiene across the platform. - Conduct internal discovery: interviews, beta programs, research, and adoption loops. - Influencing cross‑functional squads and shaping the overall platform roadmap. - Explore and prototype AI use cases that enhance developer experience and accelerate delivery. **Required Skills:** - Proven experience as a technical product manager in platform, cloud, or developer‑facing tools. - Strong technical fluency with cloud‑native environments, microservices, and modern infrastructure. - Product mindset that balances data, research, and empathy. - Excellent communication, stakeholder management, and influence skills. - Ability to simplify complex concepts and lead cross‑functional collaboration. - Curiosity, ownership, proactive problem‑solving, and a customer‑first attitude. - Experience with AI/ML product or feature development is a plus. **Required Education & Certifications:** - Bachelor’s degree in Computer Science, Engineering, Information Technology, or a related discipline (or equivalent experience). - Professional certifications such as PMP, SAFe Product Owner/Product Manager, or Product School credentials are desirable but not mandatory.

London, United kingdom

On site

Senior

26-11-2025