Justas Ramaneckas - Software Engineer

Q: Where is Justas based?

Justas is based in Málaga, Spain .

Q: What languages does Justas speak?

Justas speaks the following languages: English (Advanced), Spanish (Advanced), Dutch (Advanced) .

Q: How many years of experience does Justas have?

Justas has at least 14 years of experience. During this time, Justas has worked in at least 4 different roles and for 4 different companies . The average length of individual experience is 4 years and 7 months . Note that Justas may not have shared all experience and actually has more experience.

Q: What is Justas's latest experience?

Justas's most recent position is Software Engineer at Eventbrite .

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

In recent years, Justas has worked for Eventbrite and CytoCypher .

Q: Which industries is Justas most experienced in?

Justas is most experienced in industries like Automotive , Biotechnology , and Manufacturing . Justas also has some experience in Information Technology (IT) .

Q: Which business areas is Justas most experienced in?

Justas is most experienced in business areas like Product Development , Quality Assurance (QA) , and Supply Chain Management . Justas also has some experience in Production/Manufacturing and Information Technology (IT) .

Q: Which industries has Justas worked in recently?

Justas has recently worked in industries like Biotechnology and Information Technology (IT) .

Q: Which business areas has Justas worked in recently?

Justas has recently worked in business areas like Product Development , Quality Assurance (QA) , and Supply Chain Management .

Recommended expert

Málaga, Spain

Experience

Jan 2024 - Present

2 years 3 months

Málaga, Spain

Software Engineer

Eventbrite

Joined the checkout team to move business logic from a Python/Django monolith to TypeScript microservices on AWS, improving platform resilience and scalability
Led the effort to add robust end-to-end gatekeeping tests for the entire checkout flow, greatly reducing bugs in production and incidents
Designed and extended internal APIs with Python/Django, strengthening data contracts, improving cross-service communication, and speeding up delivery of new checkout features
Resolved production issues during on-call rotations, stabilizing high-volume transactions, cutting customer-impacting errors, and ensuring fast recovery under peak load
Enhanced observability with structured logging, metrics, and distributed tracing, enabling accurate root-cause analysis and faster time to resolution across critical checkout paths
Added robust automated checks in CI pipelines, with multi-stage validation, automated schema checks, and integration safeguards that caught regressions early and boosted release reliability
Collaborated with product and infrastructure teams to align backend architecture with security and scalability goals, making sure new features held up under peak global traffic
Promoted a team culture that built strong relationships, encouraged knowledge sharing, and supported each other
Implemented robust automated checks in CI pipelines, reducing deployment regressions and improving release quality

Jan 2019 - Present

7 years 3 months

Amsterdam, Netherlands

Chief Design Engineer

CytoCypher

Brought microscope manufacturing in-house, securing full ownership of product IP and reducing costs by 40%, while enabling quicker design changes for quality improvements and manufacturing optimization
Established a global supplier chain, eliminating single points of failure and creating a multi-supplier network, reducing component costs by over 50% and enabling faster production and prototyping turnaround
Implemented and administered a PDM system, creating structured workflows, improving design accessibility and collaboration across different teams
Created comprehensive documentation for all processes, including design guidelines and standard operating procedures for assembly, transitioning critical knowledge from individual expertise to standardized procedures
Developed and implemented a robust feedback loop between design and production teams, significantly reducing design errors and increasing first-time-right production rates by 30%
Introduced advanced testing protocols and validation methods, integrating real-time data collection and analysis, which reduced product failures during field testing by 80%

Jan 2016 - Dec 2019

4 years

Madrid, Spain

Lead Development Engineer

Knorr-Bremse

Developed and standardized new design guidelines for sheet metal structures, drastically improving design consistency across four design teams in Spain, USA, China and Australia
Collaborated with suppliers to develop cost-effective, weld-free designs, resulting in a 15% reduction in production costs and improved structural integrity
Detected and deployed weight-saving measures in HVAC structures, reducing unit weight by 10% and meeting stringent client requirements
Trained engineering teams across multiple global locations in best practices for design and process improvement, fostering knowledge sharing and standardization
Successfully rescued a €70 million project by redesigning a structure that had repeatedly failed shock and vibration tests, eliminating a €3 million overweight penalty and ensuring successful results

Jan 2012 - Dec 2016

5 years

Hinckley, United Kingdom

Senior Design Engineer

Triumph Motorcycles

Spearheaded the design of the swingarm, fuel system, mudguards, and foot controls, ensuring seamless integration into the overall chassis design
Developed a simplified and lighter fuel system design, leading to a 25% reduction in manufacturing costs and winning a patent, leading to further tax breaks for the company
Applied finite element analysis to identify and mitigate peak stress points, reducing overall part weight by over 20% without compromising durability, safety factors or performance
Cooperated with the assembly team to identify potential design flaws, resulting in faster prototype iterations and a smoother transition to mass production
Implemented geometric dimensioning and tolerancing to optimize fit and clearances, ensuring higher precision in component assembly and reducing error rates during production

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 Automotive (8 years), Biotechnology (7 years), Manufacturing (4 years), and Information Technology (2 years).

Automotive

Biotechnology

Manufacturing

Information Technology

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 Product Development (14 years), Quality Assurance (10 years), Supply Chain Management (7 years), Production (5 years), and Information Technology (2 years).

Product Development

Quality Assurance

Supply Chain Management

Production

Information Technology

Summary

Chief Design Engineer with over a decade of experience in Mechanical Engineering and Product Development, who shifted into Software Engineering. Skilled at managing complex projects end-to-end, working with senior stakeholders, and navigating corporate structures to achieve impactful results. Hands-on experience building microservices, machine learning models, and robust test automation, driven by a passion for problem-solving and innovation.

Skills

Python
Aws
Numpy
Docker
Grafana
Typescript
Github Actions
Pandas
Snowflake
Datadog
Sql
Ci/cd
Fastapi
Postgresql
Orchestration
Microservices
Tdd
Django
Dynamodb
Monitoring

Languages

English

Advanced

Spanish

Advanced

Dutch

Advanced

Education

Oct 2009 - Jun 2012

University of Sheffield

BEng · Mechanical Engineering · Sheffield, United Kingdom

Certifications & licenses

IBM Data Engineering

Coursera

Profile

Created

October 2025

Last Update

January 2026

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Frequently asked questions

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

Where is Justas based?

Justas is based in Málaga, Spain.

What languages does Justas speak?

Justas speaks the following languages: English (Advanced), Spanish (Advanced), Dutch (Advanced).

How many years of experience does Justas have?

Justas has at least 14 years of experience. During this time, Justas has worked in at least 4 different roles and for 4 different companies. The average length of individual experience is 4 years and 7 months. Note that Justas may not have shared all experience and actually has more experience.

What roles would Justas be best suited for?

Based on recent experience, Justas would be well-suited for roles such as: Software Engineer, Chief Design Engineer, Lead Development Engineer.

What is Justas's latest experience?

Justas's most recent position is Software Engineer at Eventbrite.

What companies has Justas worked for in recent years?

In recent years, Justas has worked for Eventbrite and CytoCypher.

Which industries is Justas most experienced in?

Justas is most experienced in industries like Automotive, Biotechnology, and Manufacturing. Justas also has some experience in Information Technology (IT).

Which business areas is Justas most experienced in?

Justas is most experienced in business areas like Product Development, Quality Assurance (QA), and Supply Chain Management. Justas also has some experience in Production/Manufacturing and Information Technology (IT).

Which industries has Justas worked in recently?

Justas has recently worked in industries like Biotechnology and Information Technology (IT).

Which business areas has Justas worked in recently?

Justas has recently worked in business areas like Product Development, Quality Assurance (QA), and Supply Chain Management.

What is Justas's education?

Justas holds a Bachelor in Mechanical Engineering from University of Sheffield.

Does Justas have any certificates?

Justas has 1 certificate: IBM Data Engineering.

What is the availability of Justas?

Justas is immediately available full-time for suitable projects.

What is the rate of Justas?

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