Maciej Trela

01

Professional summary

Business Analyst on IT projects for the banking and commercial sectors. I gather and document business and functional requirements, run workshops with stakeholders, map processes in UML and BPMN and write user stories with acceptance criteria. My background in technical support and API integration testing means I am comfortable with SQL, Elasticsearch (Kibana), Postman and Swagger. I work in Scrum, using Jira and Confluence daily.

02

Skills

Business analysis

requirements analysis and documentation, user stories and acceptance criteria, process mapping and modelling (UML, BPMN), use cases, stakeholder workshops, user acceptance testing (UAT)

Data and APIs

SQL, MySQL, Elasticsearch (Kibana), REST API, Postman, Swagger

Tools and methods

Jira, Confluence, Xray, Git, Scrum, Agile, XML, HTML, CSS, UniFlow

App development

Flutter, Dart, Firebase, AI-assisted development

03

Work experience

08.2026 – present

Business Analyst / Flutter Developer

Amber Bear (own business, alongside full-time role), Łódź

I design and build mobile apps in Flutter, from requirements through prototype to store release.

Analysing and writing requirements before any code is written
Building Flutter apps for iOS and Android with the help of AI models
Preparing releases and publishing apps on Google Play and the App Store (iOS)

Flutter
Dart
Firebase
AI
UML
BPMN

10.2025 – present

Business Analyst

MakoLab, Łódź

Gathering, analysing and documenting business and functional requirements for IT projects delivered to corporate clients.

Requirements analysis on 2 projects: a large one for 2 clients with 4 stakeholders, and a smaller one for 1 client with 3 stakeholders
Leading requirements workshops and client meetings; translating business needs into functional specifications
Modelling business processes and use cases in UML
Writing user stories with acceptance criteria for the development team
Analysing data with SQL and Elasticsearch (Kibana) to validate requirements and support troubleshooting
Managing requirements in Jira; maintaining project documentation in Confluence
Working in a 13-person Scrum team: sprint planning, refinement and review sessions

UML
BPMN
SQL
Jira
Confluence
Kibana
Scrum

07.2024 – 10.2025

Banking Process Analyst

MakoLab, Łódź

Analysis and implementation of banking document processes for a major financial institution.

Writing user stories for banking processes
Designing and implementing banking process flows in UniFlow
Running user acceptance tests (UAT) and documenting results in Xray
Coding banking documents and templates in XML, CSS and HTML
Acting as liaison between business stakeholders and the development team

UAT
XML
CSS
HTML
UniFlow
Xray
Scrum

01.2023 – 04.2024

Technical Support Specialist

Flowbird Group, Łódź

Technical support for smart parking and urban mobility systems.

Diagnosing and resolving technical issues for B2B clients
Handling escalations and working with engineering teams

Jira
Confluence
SLA
Kibana

07.2021 – 01.2023

Technical Support Specialist (2nd line)

Focus Telecom Polska

Second-line support for a cloud communication platform (CCaaS).

Verifying and testing REST API integrations with Postman and Swagger, including own test integrations
Testing and troubleshooting CRM integrations: Salesforce, Livespace, HubSpot
Reproducing client-reported issues in test environments
Writing technical documentation and guides for clients and internal teams

REST API
Postman
Swagger
Salesforce
HubSpot

02.2020 – 07.2021

Customer Care Specialist

Focus Telecom Polska

First-line support for a cloud contact-centre platform.

Resolved an average of 85% of issues at first contact
Verifying and triaging tickets; escalating to 2nd and 3rd line
Testing platform features and proposing improvements

03.2019 – 12.2019

Customer Service Consultant

mBank S.A., Łódź

Retail banking customer service: account servicing, product information and issue resolution by phone.

04

Personal projects

Apps I build in Flutter under Amber Bear. I write requirements the way I do at work, and the code is built with the help of AI models.

Flutter, AI-assistedreleased

Congregation Manager

An app for running a congregation: users, groups, schedules and assignments in one place. Built from scratch, with requirements written before the first line of code. Published on the App Store and Google Play.

Get it onApp Store Get it onGoogle Play

Flutter, AI-assistedin progress

Electrik SaaS

An app for electricians. Requirements and architecture grow alongside the code.

05

Earlier work experience

CNC Machine Operator · UniMould S.A., Pieńsk
Sinumerik lathes, precision measurement, 5S standards.

11.2017 – 12.2018

Sales Specialist · Witalni, Wrocław
B2B sales of training services, CRM management.

07.2016 – 07.2017

Warehouse and Quality Control · UniMould GmbH, Pieńsk
Quality control, spectrometric analysis.

10.2013 – 04.2016

06

Education and certifications

Technical secondary school (IT), Zgorzelec, Poland

2009 – 2013

The Ultimate MySQL Bootcamp: Go from SQL Beginner to Expert

certificate

07

Languages

Polish

native

English

professional working proficiency

08

Interests

Leatherwork. I also run the Amber Bear Leather workshop: I work with vegetable-tanned leather, cut every part by hand and sew with a saddle stitch, so every piece is one of a kind.

See the workshop →