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I'm Justin Angchay, an MEng Aerospace Engineering graduate with a precision engineering mindset. I now apply analytical problem-solving to integrations and software development, building secure, scalable event-driven integrations and API-driven services on AWS, Azure, SnapLogic, Kafka, and cloud-based finance and CRM platforms. I specialise in integration development, event-driven architecture, and end-to-end software delivery across the full SDLC—from stakeholder requirements gathering and design to testing, CI/CD, and production deployment. I excel at quickly resolving complex technical issues through data-driven debugging, collaborating with international, cross-functional teams to drive innovation with creative ideas.…I'm Justin Angchay, an MEng Aerospace Engineering graduate with a precision engineering mindset. I now apply analytical problem-solving to integrations and software development, building secure, scalable event-driven integrations and API-driven services on AWS, Azure, SnapLogic, Kafka, and cloud-based finance and CRM platforms. I specialise in integration development, event-driven architecture, and end-to-end software delivery across the full SDLC—from stakeholder requirements gathering and design to testing, CI/CD, and production deployment. I excel at quickly resolving complex technical issues through data-driven debugging, collaborating with international, cross-functional teams to drive innovation with creative ideas.

Justin Angchay

Full Stack Developer, Web Developer, Back-End Developer, +3

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I'm Justin Angchay, an MEng Aerospace Engineering graduate with a precision engineering mindset. I now apply analytical problem-solving to integrations and software development, building secure, scalable event-driven integrations and API-driven services on AWS, Azure, SnapLogic, Kafka, and cloud-based finance and CRM platforms. I specialise in integration development, event-driven architecture, and end-to-end software delivery across the full SDLC—from stakeholder requirements gathering and design to testing, CI/CD, and production deployment. I excel at quickly resolving complex technical issues through data-driven debugging, collaborating with international, cross-functional teams to drive innovation with creative ideas.…I'm Justin Angchay, an MEng Aerospace Engineering graduate with a precision engineering mindset. I now apply analytical problem-solving to integrations and software development, building secure, scalable event-driven integrations and API-driven services on AWS, Azure, SnapLogic, Kafka, and cloud-based finance and CRM platforms. I specialise in integration development, event-driven architecture, and end-to-end software delivery across the full SDLC—from stakeholder requirements gathering and design to testing, CI/CD, and production deployment. I excel at quickly resolving complex technical issues through data-driven debugging, collaborating with international, cross-functional teams to drive innovation with creative ideas.

Available to hire

I’m Justin Angchay, an MEng Aerospace Engineering graduate with a precision engineering mindset. I now apply analytical problem-solving to integrations and software development, building secure, scalable event-driven integrations and API-driven services on AWS, Azure, SnapLogic, Kafka, and cloud-based finance and CRM platforms.

I specialise in integration development, event-driven architecture, and end-to-end software delivery across the full SDLC—from stakeholder requirements gathering and design to testing, CI/CD, and production deployment. I excel at quickly resolving complex technical issues through data-driven debugging, collaborating with international, cross-functional teams to drive innovation with creative ideas.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

Chinese

Beginner

Work Experience

IBA Engineer at Intelligent Business Automation, The Unite Group PLC

March 1, 2025 - Present

Designed and delivered enterprise automation and integration solutions using SnapLogic to enable scalable event-driven architectures across finance, CRM, tenancy, and digital platforms. Developed API-driven integrations for booking, payment, onboarding, and customer communications (GTreasury, Salesforce, MongoDB, AWS S3/Lambda). Implemented robust CI/CD pipelines and infrastructure-as-code (Terraform) to automate environment provisioning in multi-cloud deployments. Coordinated cross-team collaboration to resolve long-standing data defects, leading to a bulk synchronization project restoring critical CRM records. Used Azure DevOps for CI/CD workflows, backlog refinement, sprint planning, PR reviews, and traceability. Performed root-cause analysis via SnapLogic logs, MongoDB queries, and Kafka metrics; provided deployment plans and rollback strategies to support production releases.

API Engineer at Vaillant Group GmbH

January 1, 2023 - March 31, 2025

Exceeded performance targets by integrating 500+ HVAC devices across 12 client companies, driving 2.5x API adoption in 2024. Integrated third-party HVAC management software and IoT devices for clients like OVO Energy and E.ON, enabling real-time control of heating, batteries, PV, and EV charging systems. Developed RESTful APIs to connect HVAC control systems with backend monitoring platforms, ensuring reliable data flow from on-site sensors to cloud services. Launched two new service API packages and extended Polarion workflows to incorporate telemetry, improving system performance. Wrote unit and integration tests with Postman and Python to validate APIs. Collaborated with clients, utility companies, and stakeholders to gather requirements and refine features.

Systems Engineer at Vaillant Group GmbH & Saunier Duval Eau Chaude Chauffage SAS (France)

May 1, 2022 - January 31, 2023

Led innovation for the Hydrogen heat system development, managed the CRS phases in Polarion, and served as Polarion lead trainer. Designed system schematics and conducted parts compatibility analyses to support product development. Deputy Project Manager coordinating NSC management and multi-country requirement collection. Authored V-model lifecycle documentation to align technical requirements with testing, and facilitated Failure Mode and Effects Analysis (FMEA) to mitigate potential failures.

UAV Systems Developer (BEng Dissertation) at The University of the West of England, Bristol

September 1, 2019 - May 31, 2020

Developed an Android UAV flight-control app using Android Studio with Java, Kotlin and MAVLink to enable affordable autonomous drone operation.

UAV Audio Control Specialist (MEng Dissertation) at The University of the West of England, Bristol

September 1, 2020 - May 31, 2021

Created a Python-based voice command interface for UAVs with real-time noise filtering and speech recognition, executing flight commands reliably.

IBA (Intelligent Business Automation) Engineer at The Unite Group PLC

March 1, 2025 - Present

Designed and delivered enterprise automation and integration solutions using SnapLogic to support finance, CRM, tenancy, and digital platforms. Built API-driven workflows for booking, payments, onboarding, and customer communications (Salesforce, MongoDB, AWS S3/Lambda). Implemented CI/CD pipelines and Terraform IaC to automate multi-cloud provisioning and enforce secure configurations. Coordinated cross-team collaboration to resolve long-standing data defects, enabling bulk synchronization of CRM records. Managed Azure DevOps for CI/CD, sprint planning, PR reviews, and traceability, with regular CAB presentations including risk assessments and rollback strategies. Troubleshot complex multi-system issues by analyzing logs, queries, and metrics to identify root causes and implement fixes.

Systems Engineer at Vaillant Group GmbH

May 1, 2022 - January 1, 2023

Led the innovation and development of the hydrogen heat system, adhering to ERP standards; managed CLP documentation and user training. Served as Deputy Project Manager for NSC management, authored V-model lifecycle documentation, and facilitated FMEA to pre-empt failures. Coordinated cross-country requirements gathering and document management to align with regulatory and quality processes.

UAV Systems Developer at The University of the West of England

September 1, 2019 - May 1, 2020

Developed an Android UAV flight-control app using Android Studio (Java and Kotlin) with MAVLink to enable affordable autonomous drone operation as part of the BEng dissertation.

UAV Audio Control Specialist at The University of the West of England

September 1, 2020 - May 1, 2021

Created a Python-based voice command interface for UAVs with real-time noise filtering and speech recognition, enabling reliable flight commands.