~/andreos.dev

Andreos Klering

Engineering Leader & Builder

Hands-on technology leader with 20 years of end-to-end experience across engineering, product, infrastructure, and organizational scale. Proven success leading distributed teams, architecting modular platforms, and aligning engineering strategy to commercial outcomes in high-growth, API-first SaaS and fintech environments.

20

Years building

20+

Products shipped

40+

Engineers led

2

Startups founded

How these are measured →

Experience
Leadership Founder Engineering Consulting

2025

Head of Engineering, Growth & Customer Experience

Nexar

  • · Leading two teams across B2B and B2C product lines in a high-scale vision AI company
  • · Delivered tooling for marketing self-serve deployment, enabling high-velocity experimentation
  • · Ran end-to-end growth experiments testing conversion impact of product offering changes
  • · Structured the org around autonomy and ownership across remote European teams
2024

Head of Engineering

Rauva

  • · Scaled and led 20+ engineer org across 4 squads, boosting throughput by 50%
  • · Launched Rauva Pay in under 3 weeks → 50%+ cohort adoption, >1000% revenue growth
  • · Implemented DORA metrics driving 66% bug reduction in one quarter
  • · Partnered with CEO and Board to align tech roadmap with business goals
2023

Product Engineering Manager, Fraud

Inscribe

  • · Led Fraud vertical (~80% of ARR), doubled development capacity with new teams
  • · Introduced prioritization framework increasing throughput 60%
  • · Shifted to AI-first detection, improving model accuracy by +5%
  • · Enabled client wins with Airbase, Plaid, Ramp; drove $300K+ fraud savings
2022

Head of Engineering, Commerce and Payment Experience

Primer

  • · Directed 7 squads (~40 engineers), managing 50% of company output
  • · Re-architected checkout services, accelerating feature delivery by 80%
  • · Slashed third-party onboarding from 1 month to 2 days via developer-focused APIs
  • · Embedded payment telemetry; delivered 7.5% uplift in authorization rates
2019

Engineering Manager (Manager of Managers)

Farfetch

  • · Scaled Identity & Account engineering from 1 to 4 squads (15+ staff), serving 3.9M MAUs
  • · Launched unified Farfetch Login, cutting login-related support tickets by 50%
  • · Implemented CI/CD automation for 90% faster release cadence with daily deployments
  • · Conducted R&D in Web3/NFT identity—positioned Farfetch in future identity tech
2018

Senior Consultant

ThoughtWorks

  • · Contributed to agile transformation for a leading US retailer's inventory system
  • · Aligned engineering processes with logistics KPIs
2017

Founder, Product and Engineering

LivingOffset

  • · Founded climate-focused tech startup leveraging blockchain for carbon offsetting
  • · Built and managed 9-person cross-functional team, delivering polished MVP
  • · Developed Ethereum-based offset tracking system with verified carbon APIs
  • · Deep lessons on lean product validation and building empowered teams from scratch
2012

Founder & CEO / CTO

TargetBeyond

  • · Founded 20+ person consultancy delivering full-cycle platforms
  • · Delivered 20+ software products to clients in banking, betting, and manufacturing
  • · Built distributed engineering org across LATAM and Europe
  • · Managed vendors, infra, budget, and architecture across all accounts
2010

Senior Full Stack Software Engineer

De Lage Landen

  • · Contributed to global finance platform modernization
  • · Introduced ElasticSearch, cutting query latency by 70%
  • · Led UX redesign for credit workflow; increased resolution rates by 50%
2007

Full Stack Software Engineer, R&D

CWI Software

  • · Developed internal code generation tools reducing manual dev time by 90%
  • · Introduced company-wide unit testing and CI systems
  • · Supported senior engineers in architecture reviews and performance tuning

Skills

Engineering Leadership

Team Scaling Hiring & Mentoring Fostering Autonomy Driving Growth

Technical Strategy

Backend Architecture API Design Distributed Systems System Design

Developer Experience

CI/CD Tooling Automation Performance Optimization

Tech Stack

.NET TypeScript APIs AWS Azure Kubernetes

Domains

Fintech Payments SaaS E-commerce Identity

Education

UNISINOS

Bachelor's in Information Technology

Magna cum laude · Top Student (Class 2013)

Languages

Portuguese Native
English Fluent