Bastian Isensee - Senior Backend Engineer Go & Technical Consultant

Q: Where is Bastian based?

Bastian is based in Aumühle, Germany and can operate in on-site , hybrid , and remote work models.

Q: What languages does Bastian speak?

Bastian speaks the following languages: German (Native), English (Advanced) .

Q: How many years of experience does Bastian have?

Bastian has at least 13 years of experience. During this time, Bastian has worked in at least 5 different roles and for 5 different companies . The average length of individual experience is 3 years and 8 months . Note that Bastian may not have shared all experience and actually has more experience.

Q: What is Bastian's latest experience?

Bastian's most recent position is Senior Backend Engineer Go & Technical Consultant at Regulated Trading System for Digital Assets .

Q: What companies has Bastian worked for in recent years?

In recent years, Bastian has worked for Regulated Trading System for Digital Assets , Configuration Application for IT Security Administrators , Cryptocurrency Exchange , and Algorithmic Securities Trading .

Q: Which industries is Bastian most experienced in?

Bastian is most experienced in industries like Banking and Finance , Pharmaceutical , and Information Technology .

Q: Which business areas is Bastian most experienced in?

Bastian is most experienced in business areas like Information Technology , Product Development , and Operations . Bastian also has some experience in Finance and Quality Assurance .

Q: Which industries has Bastian worked in recently?

Bastian has recently worked in industries like Banking and Finance and Information Technology .

Q: Which business areas has Bastian worked in recently?

Bastian has recently worked in business areas like Information Technology , Operations , and Finance .

Recommended expert

Aumühle, Germany

Experience

Apr 2024 - Mar 2025

1 year

Senior Backend Engineer Go & Technical Consultant

Regulated Trading System for Digital Assets

Technical consulting to meet the regulatory MiCA requirements for a digital trading platform
Designing and developing backend components and APIs to comply with transparency and auditability requirements
Optimizing core functions in order execution and market data delivery for performance and reliability under high load
Conducting interviews and structured onboarding of new developers
Successfully and timely implementing the regulatory MiCA requirements, ensuring uninterrupted operations
Reducing user issues and common support requests by fixing complex backend problems
Strengthening the development team through effective onboarding, mentoring, and knowledge transfer

Dec 2023 - Present

2 years 4 months

Senior Software Engineer & Technical Consultant

Configuration Application for IT Security Administrators

Designing and developing a configuration application for complex IT security systems to support and simplify administrative workflows
Implementing full integration into existing software systems while improving usability and maintainability
Delivering all key configuration features so they can be provided to end customers
Significantly improving usability for administrators

Sep 2022 - Sep 2023

1 year 1 month

Senior Backend Developer Go

Cryptocurrency Exchange

Developing backend features for a regulated crypto exchange in areas like order execution, market data delivery, reporting, and accounting
Designing and presenting architecture proposals to scale the existing microservice landscape
Identifying and fixing performance issues and complex bugs in the production system
Advising business experts on current system behavior, new requirements, and functional improvements
Delivering new features to end customers, expanding revenue opportunities
Reducing operational risks and support effort by fixing bugs and eliminating manual workarounds
Participating in architecture planning to ensure long-term scalability and maintainability

Jul 2016 - Aug 2022

6 years 2 months

Senior Software Engineer

Algorithmic Securities Trading

Developing various software systems for a global algorithmic securities trader in trading, risk management, compliance, and back office
Improving multiple systems to meet increased requirements for performance, reliability, and regulations under MiFID II
Taking responsibility for requirements analysis, architecture design, and technical coordination in cross-functional teams
Conducting technical interviews and mentoring junior developers to boost development performance and quality
Significantly improving performance, reliability, and functionality across large parts of the software landscape
Successfully implementing all regulatory requirements under MiFID II by timely adapting systems for risk management, back office, and trading
Increasing the team's performance and quality through structured onboarding and individual mentoring

Aug 2012 - Jun 2016

3 years 11 months

Software Engineer

Manufacturing Execution Systems for the Pharmaceutical Industry

Extending and customizing MES solutions for pharma clients with a focus on ERP integration and customer-specific workflows
Implementing and acceptance testing of business-critical features in collaboration with end users, while complying with regulatory requirements like GMP
Advising the product team on evolving the MES with future ERP interfaces in mind
Successfully delivering customer-specific ERP-MES integrations while meeting regulatory requirements
Preparing the next generation MES with a future-proof ERP interface through effective knowledge transfer and documentation

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Banking and Finance, Pharmaceutical, and Information Technology.

Banking and Finance

Pharmaceutical

Information Technology

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Operations, Product Development, Finance, and Quality Assurance.

Information Technology

Operations

Product Development

Finance

Quality Assurance

Summary

Bastian Isensee is a backend developer and technical consultant with over 12 years of experience building reliable software systems for regulated and mission-critical industries like financial services and trading platforms. Clients value his ability to deliver maintainable solutions where correctness, performance, and auditability are essential to business success.

Bastian specializes in Golang and works with technologies like PostgreSQL, Kafka, REST, Docker, and Kubernetes. He places great importance on a deep understanding of business requirements so that technical solutions meet needs effectively. Besides hands-on development, he supports teams as a trusted advisor on architecture decisions, thorough code reviews, mentoring, and technical leadership.

Skills

Primary Tech Stack

Golang
Postgresql
Kafka
Rest / Websocket / Rpc
Docker
Kubernetes
Linux
Aws
Ci/cd - Gitlab
Prometheus
Grafana
Cucumber / Godog

Additional Skills

Java
Spring
Hibernate
Junit
Mockito
Bash
Fix
Openapi
Sqlite
Mongodb
Rabbitmq
Oracle Rdbms
Helm
Kong
Git
Agile / Scrum / Kanban

Languages

German

Native

English

Advanced

Education

Apr 2013 - Mar 2016

FernUniversität in Hagen

Master of Science · Practical Computer Science · Germany

Sep 2009 - Feb 2013

Hochschule Harz (FH)

Bachelor of Engineering · Automation Technology and Engineering Informatics · Germany

Statistics

Experience

Total positions 5

Experience in Banking and Finance 8 y

Avg length 2 y 10 m

Longest experience 6 y 1 m

Expertise

Recent roles Senior Backend Engineer Go & Technical Consultant, Senior Software Engineer & Technical Consultant, Senior Backend Developer Go

Main industries Banking and Finance, Pharmaceutical, Information Technology

Main business areas Information Technology, Operations, Product Development

Qualifications

Highest degree Master

Profile

Created

June 2025

Last Update

March 2026

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Bastian based?

Bastian is based in Aumühle, Germany and can operate in on-site, hybrid, and remote work models.

What languages does Bastian speak?

Bastian speaks the following languages: German (Native), English (Advanced).

How many years of experience does Bastian have?

Bastian has at least 13 years of experience. During this time, Bastian has worked in at least 5 different roles and for 5 different companies. The average length of individual experience is 3 years and 8 months. Note that Bastian may not have shared all experience and actually has more experience.

What roles would Bastian be best suited for?

Based on recent experience, Bastian would be well-suited for roles such as: Senior Backend Engineer Go & Technical Consultant, Senior Software Engineer & Technical Consultant, Senior Backend Developer Go.

What is Bastian's latest experience?

Bastian's most recent position is Senior Backend Engineer Go & Technical Consultant at Regulated Trading System for Digital Assets.

What companies has Bastian worked for in recent years?

In recent years, Bastian has worked for Regulated Trading System for Digital Assets, Configuration Application for IT Security Administrators, Cryptocurrency Exchange, and Algorithmic Securities Trading.

Which industries is Bastian most experienced in?

Bastian is most experienced in industries like Banking and Finance, Pharmaceutical, and Information Technology.

Which business areas is Bastian most experienced in?

Bastian is most experienced in business areas like Information Technology, Product Development, and Operations. Bastian also has some experience in Finance and Quality Assurance.

Which industries has Bastian worked in recently?

Bastian has recently worked in industries like Banking and Finance and Information Technology.

Which business areas has Bastian worked in recently?

Bastian has recently worked in business areas like Information Technology, Operations, and Finance.

What is Bastian's education?

Bastian holds a Master in Practical Computer Science from FernUniversität in Hagen and a Bachelor in Automation Technology and Engineering Informatics from Hochschule Harz (FH).

What is the availability of Bastian?

Bastian will be available full-time from May 2026.

What is the rate of Bastian?

Bastian's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.