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Anargyros (Argyris) Chatzaras
Senior Go Software Engineer
Experience
Apr 2022 - Present
4 yearsSenior Go Software Engineer
Juni AB
- Developing and maintaining the customer onboarding flow (handles 200 applications monthly)
- Managing risk monitoring flow development and maintenance (6k transactions daily)
- Implementing and overseeing billing functionality
- Collaborating with user research and design teams to ensure we are solving the biggest problems in the customer domain
- Building internal tools for our backoffice team enabling them to 10x their day-to-day operations
Oct 2020 - Apr 2022
1 year 7 monthsSRE
Dreams AB
- Worked in a 2 person team, alongside a senior SRE
- Managed and operated Kubernetes clusters on AWS EKS
- Developed AWS infrastructure using Terraform
- Utilized Grafana, Prometheus, and later Datadog for systems monitoring
- Engineered resilient CI/CD pipelines using ArgoCD, reducing system downtime and enhancing deployment reliability through automated testing frameworks
Oct 2015 - Feb 2020
4 years 5 monthsStockholm, Sweden
Kafka Java Software Engineer
Klarna Bank AB
- Worked in 4-5 person teams, alongside a PM
- Developed and managed the Order Management API (11M api calls/month)
- Designed, implemented, and maintained the Partner onboarding APIs for ekm (UK) and mijnwebvinkel (NL) (~500 merchants)
- Maintained the Merchant Password Management System (10K active customers)
- Responsible for the API built uptime and end-to-end quality
Mar 2012 - Sep 2015
3 years 7 monthsStockholm, Sweden
Native Android Software Engineer
Umain
- Worked in customer-allocated teams, alongside 2-4 mobile engineers (iOS and Android), a PM and a designer
- Created and implemented mobile app for Comviq, a prominent mobile operator in Sweden
- Developed an innovative mobile app for ICA, the top grocery retailer in Sweden
- Designed and launched McDonald's Android app across multiple markets including SE, NO, FI, and DK
Industries Experience
See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.
Experienced in Banking and Finance (10 years), Information Technology (4 years), Food and Beverage (3.5 years), Retail (3.5 years), and Telecommunication (3.5 years).
Banking and Finance
Information Technology
Food and Beverage
Retail
Telecommunication
Business Areas Experience
The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.
Experienced in Information Technology (13.5 years), Product Development (8.5 years), Operations (5.5 years), and Quality Assurance (4.5 years).
Information Technology
Product Development
Operations
Quality Assurance
Summary
Senior Software Engineer with over 13 years of extensive expertise in developing and managing complex software systems, specializing in DevOps practices, microservices, and API integration.
Adept at driving innovation through collaborative efforts with cross-functional teams to enhance customer experiences and streamline operations.
Passionate about leveraging advanced skills in Golang and Java to build resilient, scalable solutions that meet evolving business needs and ensure operational excellence.
Skills
- Devops Practices – Experienced
- Microservices – Experienced
- Project Management – Expert
- Api Integration – Experienced
- Api Management – Experienced
- Incident Response – Experienced
- Golang – Experienced
- Java – Expert
- Git – Expert
- Aws – Experienced
- Kubernetes – Experienced
- Kafka – Experienced
- Postgres – Experienced
Languages
Greek
NativeEnglish
AdvancedSwedish
AdvancedEducation
Sep 2011 - Jan 2019
Royal Institute of Technology (KTH)
Msc in Communication Systems · Communication Systems · Stockholm, Sweden
Sep 2005 - May 2011
University of Ioannina
Bsc in Computer Science · Computer Science · Ioannina, Greece
Profile
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Frequently asked questions
Do you have questions? Here you can find further information.
What languages does Anargyros speak?
Anargyros speaks the following languages: Greek (Native), English (Advanced), Swedish (Advanced).
How many years of experience does Anargyros have?
Anargyros has at least 13 years of experience. During this time, Anargyros has worked in at least 4 different roles and for 4 different companies. The average length of individual experience is 3 years and 4 months. Note that Anargyros may not have shared all experience and actually has more experience.
What roles would Anargyros be best suited for?
Based on recent experience, Anargyros would be well-suited for roles such as: Senior Go Software Engineer, SRE, Kafka Java Software Engineer.
What is Anargyros's latest experience?
Anargyros's most recent position is Senior Go Software Engineer at Juni AB.
What companies has Anargyros worked for in recent years?
In recent years, Anargyros has worked for Juni AB and Dreams AB.
Which industries is Anargyros most experienced in?
Anargyros is most experienced in industries like Banking and Finance, Information Technology (IT), and Food and Beverage. Anargyros also has some experience in Retail and Telecommunication.
Which business areas is Anargyros most experienced in?
Anargyros is most experienced in business areas like Information Technology (IT), Product Development, and Operations. Anargyros also has some experience in Quality Assurance (QA).
Which industries has Anargyros worked in recently?
Anargyros has recently worked in industries like Banking and Finance and Information Technology (IT).
Which business areas has Anargyros worked in recently?
Anargyros has recently worked in business areas like Information Technology (IT), Operations, and Product Development.
What is Anargyros's education?
Anargyros holds a Master in Communication Systems from Royal Institute of Technology (KTH) and a Bachelor in Computer Science from University of Ioannina.
What is the availability of Anargyros?
Anargyros is immediately available for suitable projects.
What is the rate of Anargyros?
Anargyros's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.
How to hire Anargyros?
To hire Anargyros, click the Meet button on the profile to request a meeting and discuss your project needs.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
800
600
400
200
Market avg: 640-800 €
Market avg: 640-800 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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