Senior Developer
Current
May 2017 - Present
AeroLeads people directory · profile
Sebastián Tello Email & Phone Number
Senior Developer at Atlassian
at
Atlassian
1 work email found
@atlassian.com
LinkedIn matched
✓ Verified May 2026
4 data sources
Profile completeness 100%
Current company
Role
Senior Developer at Atlassian
Location
Antequera, Andalusia, Spain
Company size
Who is Sebastián Tello? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
Sebastián Tello is listed as Senior Developer at Atlassian at Atlassian, a company with 5797 employees, based in Antequera, Andalusia, Spain. AeroLeads shows a work email signal at atlassian.com and a matched LinkedIn profile for Sebastián Tello.
Sebastián Tello previously worked as Senior Developer at Atlassian and Senior Quality Engineer at Atlassian. Sebastián Tello holds Bulats Cef/Alte Level C2/5 (Very Advanced), English from University Of Cambridge.
Company email context
Email format at Atlassian
This section adds company-level context without repeating Sebastián Tello's masked contact details.
{first_initial}{last}@atlassian.com
89% confidence
AeroLeads found 1 current-domain work email signal for Sebastián Tello. Compare company email patterns before reaching out.
Profile bio
About Sebastián Tello
Software engineer with vast experience in development, security, networking, infrastructure and team leading. Out-of-the-box thinker, I love solving problems and I don't define myself in terms of a particular role or technology. I'm an advocate of clean code and TDD, which I teach through mentoring and pair-programming.Some of the many technologies I have worked with:Programming languages: JS/Typescript, Golang, Java, Python, Java, Ruby, Bash, among others.Infra: AWS (EC2, RDS, CloudFront, S3, Lambda, Cloudwatch, Dynamo, SQS, Cognito, EventBridge, etc), Kubernetes, Envoy, Docker, Splunk, Datadog, SignalFX, Elastic SearchOS: Linux, OS X, Windows, xBSDI'm author and co-author or many libraries and tools used by companies around the globe to implement contract-testing of their micro-services architectures: swagger-mock-validator, wiremock-pact-generator, openapi-diff, and json-schema-diff. The latter resulting in patents US11620171B2 and US11675752B2.I played a key role as part of a highly technical team that designed and rolled-out a service mesh network (ingress and egress proxies) across thousands of micro services at Atlassian with zero incidents.In the past I've worked in software security: penetration testing, exploit writing, and development of automated exploitation frameworks. Before that, I worked for years leading teams of automation and performance testing, developing frameworks and libraries. I enjoy learning new things constantly, work in teams, mentor, and solve complex problems. I'm a team player promoting enjoyable, safe, and collaborative working environments.
Listed skills include Python, Php, Test Automation, Selenium, and 46 others.
Current workplace
Sebastián Tello's current company
Company context helps verify the profile and gives searchers a useful next step.
Atlassian
7 roles · 20 years
Sebastián Tello work experience
A career timeline built from the work history available for this profile.
Senior Quality Engineer
Worked closely with various platform micro-services teams improving dev-loops speed and quality.Part of a team of high-skilled developers working on platform tools and services aiming to improve the development experience across the company.Technologies: NodeJs, TypeScript, GoLang, Java, AWS.
Sep 2016 - May 2017
Security Tester - Automation Engineer
My current role is a mix I really enjoy, since it involves tests automation, performance testing, and security testing. I am also part of the interviews process for new prospective candidates.Some of the assignments worth highlighting are:- Design, development, and maintenance of a company-wide continuous automated testing platform based on technologies.
Oct 2013 - Sep 2016
Automation Testing Lead
Coordinated a highly-skilled team of automation engineers. Developed a distributed multipurpose & multi-platform test-driven automated testing framework. Developed libraries and tools to provide support to QA tasks, such as VMWare virtualization and a COM interface to programmatically interact with Core Security's main product.Provided in-company training.
Jun 2009 - Sep 2013
Qa Leader
Developed tasks in: Functional Testing, Regression Testing, Stress & Load Testing, Network and Application Security Testing, and Automated Testing for applications developed in-house and off-shore. Carried out testing activities in more than 15 projects (participated as QA leader in most of them). Involved in kick-off meetings and testing strategy.
Aug 2005 - Jun 2009
Qa Engineer
Wattbot was a client of Belatrix Software Factory. My main assignment In this project was to automate the regression testing suite using Cucumber and Ruby. I also had the chance to perform security testing.
2008 - 2009
~1 yr
Qa Engineer
Aculis was a Key partner company of Belatrix Software Factory. I had the chance to work in several different projects for them, as a technical QA lead. Some of the tasks included performing security testing, performance testing, and automating tests suites.
2006 - 2009
~3 yrs
Team & coworkers
Colleagues at Atlassian
Other employees you can reach at atlassian.com. View company contacts for 5797 employees →
YH
Yasmin Hassan
Colleague at AtlassianCairo, Egypt, Egypt
View →
حا
حسام الجهني
Colleague at AtlassianRiyadh Region, Saudi Arabia
View →
نا
نورره العتيبي
Colleague at AtlassianRiyadh Region, Saudi Arabia
View →
JS
Jerlisa Smith
Colleague at AtlassianGreater Chicago Area, United States
View →
IP
Indira Pathak
Colleague at AtlassianKathmandu, Bāgmatī, Nepal, Nepal
View →
GS
Gosia Szarmach
Colleague at AtlassianPoland, Poland
View →
AT
Alex Truong
Colleague at AtlassianMelbourne, Victoria, Australia, Australia
View →
CM
Ceyhun Məmmədov
Colleague at AtlassianBaku, Baku Ekonomic Zone, Azerbaijan, Azerbaijan
View →
KD
Katherine Dave
Colleague at AtlassianNaga, Bicol Region, Philippines, Philippines
View →
NL
Nikhil Lahoti
Colleague at AtlassianSunnyvale, California, United States, United States
View →
Yasmin Hassan
Colleague at AtlassianCairo, Egypt, Egypt
View →
حا
حسام الجهني
Colleague at AtlassianRiyadh Region, Saudi Arabia
View →
نا
نورره العتيبي
Colleague at AtlassianRiyadh Region, Saudi Arabia
View →
JS
Jerlisa Smith
Colleague at AtlassianGreater Chicago Area, United States
View →
IP
Indira Pathak
Colleague at AtlassianKathmandu, Bāgmatī, Nepal, Nepal
View →
GS
Gosia Szarmach
Colleague at AtlassianPoland, Poland
View →
AT
Alex Truong
Colleague at AtlassianMelbourne, Victoria, Australia, Australia
View →
CM
Ceyhun Məmmədov
Colleague at AtlassianBaku, Baku Ekonomic Zone, Azerbaijan, Azerbaijan
View →
KD
Katherine Dave
Colleague at AtlassianNaga, Bicol Region, Philippines, Philippines
View →
NL
Nikhil Lahoti
Colleague at AtlassianSunnyvale, California, United States, United States
View →
2 education records
Sebastián Tello education
Bulats Cef/Alte Level C2/5 (Very Advanced), English
Information Systems Engineer
FAQ
Frequently asked questions about Sebastián Tello
Quick answers generated from the profile data available on this page.
What company does Sebastián Tello work for?
Sebastián Tello works for Atlassian.
What is Sebastián Tello's role at Atlassian?
Sebastián Tello is listed as Senior Developer at Atlassian at Atlassian.
What is Sebastián Tello's email address?
AeroLeads has found 1 work email signal at @atlassian.com for Sebastián Tello at Atlassian.
Where is Sebastián Tello based?
Sebastián Tello is based in Antequera, Andalusia, Spain while working with Atlassian.
What companies has Sebastián Tello worked for?
Sebastián Tello has worked for Atlassian, Klarna Ab, Core Security Technologies, Belatrix Software Factory, and Wattbot.
Who are Sebastián Tello's colleagues at Atlassian?
Sebastián Tello's colleagues at Atlassian include Yasmin Hassan, حسام الجهني, نورره العتيبي, Jerlisa Smith, and Indira Pathak.
How can I contact Sebastián Tello?
You can use AeroLeads to view verified contact signals for Sebastián Tello at Atlassian, including work email, phone, and LinkedIn data when available.
What schools did Sebastián Tello attend?
Sebastián Tello holds Bulats Cef/Alte Level C2/5 (Very Advanced), English from University Of Cambridge.
What skills is Sebastián Tello known for?
Sebastián Tello is listed with skills including Python, Php, Test Automation, Selenium, Scrum, Mysql, Quality Assurance, and Sql.
Find 750M verified contacts
Search by job title, company, industry, location, and seniority. Export verified B2B contact data when you need it.
Start free trialPeople with similar names
Check these profiles if this is not the Sebastián Tello you were looking for.
View similar profiles
