Every day at Optiver is a chance to build, code, and develop something that pushes the boundaries of technological possibility. We’re a global market maker and solving complex problems with simple solutions is a big part of how we use Python. If you’re looking for a chance to collaborate with some of the brightest minds around, your future could be as one of our traders, engineers or researchers. We’re strong believers in continual improvement, in what we do and who we are. Bring your dynamic thought and pioneering spirit and join our mission to continually improve global financial markets.

Site Reliability Engineer

Learn more:

Software Engineer - Infrastructure

Learn more:

Data Engineer

Learn more:


Bloomberg is building the world's most trusted information network for financial professionals. Our core product, the Bloomberg Terminal, is an independent and unbiased source of information for our clients – everyone from C-Suite executives, traders, analysts, government officials, business heavyweights and news professionals around the globe.

Senior Software Engineer - Trade Processing

See details:

Senior Software Engineer - Data Technologies Infrastructure

See details:

Senior Software Engineer - Portfolio Analytics

See details:


Senior Software Engineer

We're looking for a Senior Software Engineer with strong skills in Python and adjacent technologies to join a team of highly experienced engineers looking at ways of improving the performance of Python across multiple different workloads. Other experience levels are welcome to apply!

The ideal candidate has solid experience in compiler and virtual machine technology, particularly around code optimization and efficient runtime performance. They understand and can represent Python community norms, language idioms, and best practices. They will be knowledgeable about web, database, cloud and machine learning, and Python's use in these application domains.

This position is remote friendly and open to international recruits.


Energy - it is required everywhere, from building things, transporting them or just to read a book at night. Our technology underpins approximately 80% of all power, gas, coal, emissions & freight energy trading in Europe. We are a small company that makes a big impact in the world!

Our people are crucial to our future. We recruit talented and innovative people and as such are constantly challenged and inspired by those around us. We employ intelligent, enthusiastic, adaptable individuals and give them the freedom, training and guidance to help them become the very best.

Python Software Engineer

If you are looking for a challenging opportunity in an innovative company where you can develop and implement your own ideas, our team could be the place for you. You’ll work with people who are truly passionate about tech.

Tech Stack
•    Python
•    C#
•    ØMQ
•    Docker
•    Pypy
•    RHEL / CentOS
•    Linux
•    MongoDB
•    GitLab CI

So why us?
Well where do we start? As a developer we know what you want and what makes you tick. You’ll get to work with a variety of technologies in an agile environment - enjoying a collaborative and open approach to problem solving, without a blame culture. We have competitive benefits including Hackathons, company share scheme, pension, work life balance, free public transport in Vienna, mental health platform and great career opportunities driven by a learning culture to name a few. On top of that, this is a great opportunity to get into the exciting world of Fintech and the chance to work on complex problems. Beyond all that, this is your chance to join us and make a huge impact as we continue the journey to become smarter and more efficient than ever before.

So what are we looking for?
Well apart from having a strong background in Python development, you should be interested in all things technical. You’ll have experience working in collaborative environments, enjoy peer programming as part of your role, be a lifelong learner and be keen to take advantage of all the learning opportunities that Trayport can offer. You’ll also take real pride in making sure your code is maintainable and of the highest quality. And if you have experience of working on trading platforms, that would be amazing (though it isn’t essential)

What will you do?
As part of the Algo team, you will work on developing cutting edge algorithmic trading products. This includes designing and developing interfaces, complex algorithms and our trading platform. You’ll be working as part of an Agile team, taking responsibility for the quality of your code and collaborating with people throughout the office.

If this sounds like you, please go on to Trayport Careers and forward your CV to discuss further.

Developer in Test / Automation – Vienna

Are you a Developer in Test with a strong background in Python? Perhaps you want to join a technology company where you’ll be more than just a number? Or maybe you want to work with incredibly technical people who you can learn from?

Trayport is looking for a Developer in Test to join our team. We are looking for technical enthusiasts to come in and learn the products in a technical testing capacity with a view to move into a Developer in Test role. This will see you coding on a day to day basis while helping to define and automate our testing strategy. In fact some of our Senior Software Developers started in this capacity.

Based in Vienna, you will be part of an innovative team that builds the best trading systems to support our clients. No trading or fintech knowledge is needed, just a great attitude and passion to learn. As a Developer in Test, you will

•    Help to define and implement the team’s automated testing strategy
•    Ensure quality is maintained and voraciously and persistently hunt down potential issues
•    Learn to utilise a variety of tools and languages to create maintainable and reliable automate tests at the appropriate level
•    Act as an escalation point for stakeholders and team members
•    Promote best working practices and identify areas for improvement
•    Perform code reviews, find bugs etc.
•    Perform Non functional testing, ensuring quality at all levels
•    Continually look to learn to progress within the role

To qualify, you could be a Developer in Test who is interested in test automation / Software Engineer / Technical Tester / Automation Engineer or even a recent comp science grad who wants the opportunity to work for a technical company. We don’t mind provided you can demonstrate a willingness to learn, a keenness to progress your career and the ability to engage/collaborate with others in your team. You must have Python development experience and you should also see the benefits of starting in a technical testing role where you’ll learn all about the products, our processes and also the markets we operate in. You must also be able to work in Vienna

Why Us
•    Opportunities to work with the following technologies
o     Python
o    C#
o    ØMQ
o    Docker
o    Pypy
o    RHEL / CentOS
o    Linux
o    MongoDB
•    Work with some amazing technologists and learn about other parts of the business through our commitment to collaboration
•    Work in an Agile environment
•    Opportunities to learn through tech talks and Hackathons
•    Join a company with strong market presence
•    Good benefits and a commitment to work life balance
•    Regular social events and opportunities to get to know your colleagues

If this sounds like you, please go to Trayport Careers and forward your CV to discuss further.

AI Software Engineer - Python

If you are looking for a challenging opportunity in an innovative and growing company, our team could be the place for you. We can offer you the chance to develop your skills, talents and technological knowledge in a supportive working environment. So, come and join us and develop and implement your ideas.
Based in Vienna, we are now looking for an energetic AI R&D Engineer with Python experience to work in our AI team and support us in researching, planning, and implementing the AI roadmap.

This is a key role as we continue our rapid growth across Vienna and London and will involve the development of new products. The role will involve
•    Software development in Python as part of a team of AI experts
•    Taking responsibility for research , planning and implementation of the AI roadmap for Trayport
•    Leading by example through the development of clean code
•    Involvement new product processes and the removal of impediments
•    Taking an active part in the AI community

As part of a small (but rapidly expanding organisation), you will be more than a cog in the wheel. It means we are looking for someone who can work at a strategic level and contribute to strategy while being able to stay hands on and understand the technical side of AI and software development. This includes excellent Python knowledge, good knowledge of Mongo DB, experience with software development processes and a strong expertise in deep learning and data analysis.

If this sounds like you, please send in your CV. Join our team and help us shape a clean energy future.


Vonage is the emerging leader in the $100B+ cloud communications platform (CPaaS) market. Customers like Airbnb, Viber, TikTok, Snapchat, and many others depend on our APIs and SDKs to connect with their customers all over the world. As businesses continue to shift to a real-time, customer-centric communications model, we are experiencing a time of impressive growth. At Vonage, we believe we’ve just scratched the surface of enabling developers to embed communications into any apps or devices using APIs. Whilst we don't have any Python openings currently, we're hiring other positions!

Senior JavaScript Developer Advocate (Developer Relations) - UK (remote)

As a JavaScript developer advocate at Vonage, your main responsibilities will be to support the community and ensure that customers using the JavaScript SDKs have the best experience possible. This will include providing SDK and API feedback to internal teams and producing demos and documentation for the wider developer community to help them get started with Vonage.

More information:

Ruby Developer Advocate - Remote (UK preferred, Europe considered)

As a Ruby developer advocate at Vonage, your main responsibilities will be to support the community and ensure that customers using the Ruby SDK have the best experience possible. This will include providing SDK and API feedback to internal teams and producing demos and documentation for the wider developer community to help them get started with Vonage.

More information:

Java Developer Advocate - Remote (UK preferred, Europe considered)

As a Java developer advocate at Vonage, your main responsibilities will be to support the JVM community (yes, that means Kotlin too!) and ensure that customers writing for the JVM have the best experience possible. This will include providing SDK and API feedback to internal teams and producing demos and documentation for the wider developer community to help them get started with Vonage.

More information:

PyCharm by JetBrains

PyCharm is a smart IDE for Python applications. Python is one of the fastest-growing languages and is applied in a variety of fields, from web apps to distributed processing of big data. And PyCharm is there to help Python developers cope with their tasks and focus on creative processes.

QA Engineer

We are looking for a QA Engineer to perform functional, exploratory, and regression testing of various IDE components and usability testing.
Location: St. Petersburg, Moscow, Russia // Munich, Germany // Prague, Czech Republic // Amsterdam, Netherlands or Remote
Permanent Full-time.
Learn more and apply:

Support Engineer

If you enjoy helping users no matter what issues they experience, can explain complex ideas in simple words, and are ready to keep the conversation going, even when others might have given up, we are looking forward to see you at the job interview! Apply now!
Location: St. Petersburg, Moscow, Russia // Munich, Germany // Prague, Czech Republic // Amsterdam, Netherlands or Remote
Permanent Full-time
Learn more and apply:

Google Cloud

Find your next job at Google • Google Cloud • YouTube and create • design • code • build for everyone:

We currently have 800+ full-time job positions for Pythonistas worldwide:


Awesome tech is made by awesome people. And we’re always looking for new team members who bring the energy, passion, commitment, and collaboration that has made Auth0 the great company it is today.

So what do we exactly build? Auth0 is an authentication and authorization platform designed by developers, for developers. Basically, we make companies’  login boxes safe, secure, and seamless for anyone logging in. Our mission is to secure the world’s identities so innovators can innovate. But it’s a big mission that requires a lot of teamwork.

Senior Data Engineer

Locations: Remote: Germany, Netherlands, Spain, United Kingdom, North America, Canada, Argentina

Description: The Data engineer will help build, scale and maintain the entire data platform. The ideal candidate will have a deep technical understanding, hands-on experience in distributed computing, big data, ETL, dimensional modelling, columnar databases and data visualization. The candidate should feed on challenges and love to be hands on with recent technologies.
This job plays a key role in data infrastructure, analytics projects, and systems design and development. You should be passionate for continuous learning, experimenting, applying and contributing towards cutting edge open source Data technologies and software paradigms.

See details:

Solutions Engineer

Locations: Remote Netherlands

Description:SEs are experts on their teams and are starting to look across their domains, they also build strong partnerships with Account Managers & Account Executives. They will also engage regularly with Customer Success in progressing opportunities and ongoing engagements.

See details:

Senior Developer Advocate

Location: Remote: North America

Description: As a Developer Advocate at Auth0, your job is to empower developers to innovate and secure their apps with Auth0. Developer advocates have two main focuses. The first is to educate developers about Auth0 and identity through speaking at events, creating live and recorded video content, writing, appearing on podcasts, and other creative mediums. The second is to serve the larger developer community by answering questions and listening to feedback on forums, GitHub, social media, and Slack and Discord servers. You'll then take that information and share it with other marketing, engineering, and documentation teams at Auth0 to help improve our developer experience. These two objectives also include working on programs like Auth0 Apollo Program, Auth0 Ambassadors, and Avocado Labs, collaborating with engineering teams, working on open source libraries, and building internal tooling and reporting applications. For all of these tasks, you will measure your impact both quantitatively and qualitatively and adjust course as needed.

See details:


Numberly uses technology for marketing: we help our clients to better understand their customers by implementing systems to collect, analyse and use data. To do so, we are more than 150 engineers (a third of Numberly's talents) working into autonomous teams. We ensure that everyone can develop a positive influence, be proactive and challenge our technical and organisational choices.

Here are the 3 job offers we offer you:

Software Engineer

• Thorough knowledge in a front-end or back-end stack
• Join multiple product teams
• Use exciting technologies (Python, Vue.js, Kafka, Kubernetes, ScyllaDB, GraphQL)
• Build great platforms that leverage data
• Work with Infrastructure Engineers and Data Engineers
=> Join us: /

Data Engineer

• Join teams dedicated to Big Data and Event-Driven data pipelines
• Participate in the development of our infrastructures using Hadoop, Airflow, ScyllaDB, Kafka
• Interact with Data Scientists and Software Engineers
=> Join us: /

Data Scientist

• Work on Applied Mathematics and Machine Learning projects
• Optimize our Digital Marketing campaigns
• Create and develop optimization algorithms
• Realize complex Big Data studies
• Leverage the rich data we collect such as behavioral, demographic, purchasing data
=> Join us: /

Stack Builders

We’re an American software consultancy with offices in New York and Ecuador, and a soon-to-be opened office in Spain. We work together to deliver high-quality, pragmatic software solutions for our international clientbase, and we’re looking to grow our dedicated, diverse team.

Full Stack Software Developer - Spain

We are looking for Full Stack Engineers who share our enthusiasm for quality code and following best practices to join us in Spain. If you feel aligned with that mindset and you’re motivated by constant learning and teamwork, Stack Builders could be the place for you!


Intern Software Developer - Spain

Are you ready to start your career as a Software Developer? We have a great opportunity for you to learn and grow professionally in our internship program. If you are a curious person who enjoys solving problems and working with a talented, multicultural team, we have a spot reserved just for you!


Future Opportunities - Remote - Full-Time

We’re always looking to hear from candidates who share our interest in changing people’s lives through quality software. If your skillset isn’t aligned with one of our current job openings, apply to our Future Opportunities talent pool and we will keep you in mind for upcoming job positions.