129 senior python developer jobs found

The Role Lab49 is seeking a skilled Python Developer to work on complex and challenging projects that drive transformative change for top-tier financial services clients. The role involves building next-generation financial systems, developing high-quality, scalable microservices, and creating systems to process various data streams using cutting-edge technologies. Operating in an Agile environment, this position requires strong expertise in Python, experience with market and credit counterparty risk platforms, and proficiency in developing cloud-native applications on AWS.   Responsibilities: Develop scalable Python-based microservices to process data streams using streaming, messaging, and REST technologies. Design and implement robust solutions for market and credit counterparty risk platforms. Utilize advanced Python features, such as context managers, decorators, and descriptors, to build efficient and maintainable code. Architect and implement solutions...

Lab49 is seeking a skilled Python Developer to work on complex and challenging projects that drive transformative change for top-tier financial services clients. The role involves building next-generation financial systems, developing high-quality, scalable microservices, and creating systems to process various data streams using cutting-edge technologies. Operating in an Agile environment, this position requires strong expertise in Python, experience with market and credit counterparty risk platforms, and proficiency in developing cloud-native applications on AWS.     Responsibilities: Develop scalable Python-based microservices to process data streams using streaming, messaging, and REST technologies. Design and implement robust solutions for market and credit counterparty risk platforms. Utilize advanced Python features, such as context managers, decorators, and descriptors, to build efficient and maintainable code. Architect and implement solutions using...

The Role Lab49 is seeking a Mexico city-based skilled Python Developer to work on complex and challenging projects that drive transformative change for top-tier financial services clients. The role involves building next-generation financial systems, developing high-quality, scalable microservices, and creating systems to process various data streams using cutting-edge technologies. Operating in an Agile environment, this position requires strong expertise in Python, experience with market and credit counterparty risk platforms, and proficiency in developing cloud-native applications on AWS.   RESPONSIBILITIES: Develop scalable Python-based microservices to process data streams using streaming, messaging, and REST technologies. Design and implement robust solutions for market and credit counterparty risk platforms. Utilize advanced Python features, such as context managers, decorators, and descriptors, to build efficient and maintainable code. Architect and...

About the Role: Grade Level (for internal use): 12 About the Role:   The Team:   The candidate will join  IT , Content Platforms team to build new platforms as well   as continuous improvement of existing platforms to meet the needs of the business. This position requires deep technical knowledge and experience .       The Content Portfolio suite of platforms and services includes content creation with annotation and tagging, packaging and layout curation and automation, content transfer services,  and   foreign language translation services .     Responsibilities and Impact:   This is an excellent opportunity to join a truly global team on an exciting technology journey .   If   you   want to be an integral part of this forward-thinking team with a drive to succeed and the opportunity to enhance your development career and expand your technical skill sets, then this is the role for you.     You...

About the Role: Grade Level (for internal use): 10 The Team: Join the TeraHelix team within S&P Global’s Enterprise Data Organization (EDO). We are a dynamic group of highly skilled engineers dedicated to building innovative data solutions that empower businesses.  Our team works collaboratively on foundational data products, leveraging cutting-edge technologies to solve real-world client challenges. The Impact: As part of the TeraHelix team, you will contribute to the development of our marquee AI-enabled data products, including TeraHelix's GearBox, ETL Mapper and Data Studio solutions.  Your work will directly impact our clients by enhancing their data capabilities and driving significant business value. What’s in it for you: Opportunity to work on a distributed, cloud-native, fully Java tech stack (Java 21+) with UI components built in the Vaadin framework. Engage in skill-building and innovation opportunities in a supportive environment....

About the Role: Grade Level (for internal use): 13 The Role: Lead III, Software Engineering Position Overview:  We are seeking a dynamic and experienced individual to lead our full-stack development teams and drive innovation in web applications and backend pipeline systems supporting our open data and open metadata portals, in support of the S&P Global Enterprise Data Office vision of delivering AI-ready data to our clients and collaborators. The ideal candidate will embody the principles of servant leadership, fostering a collaborative and empowering environment for our technical teams. This role requires a deep understanding of modern software development practices, as well as hands-on experience with the latest technologies. What's in it for you: A competitive salary and benefits package. Opportunities for professional development and career advancement. A collaborative and inclusive work environment. Responsibilities: Lead and mentor a team...

About the Role: Grade Level (for internal use): 12 Position Overview:  We are seeking a dynamic and experienced individual to lead our Internal Knowledge Platforms team, supporting the operation and integration of Data Quality and Graph systems across our metadata-enabled suite of tools in the Enterprise Data Office. This role requires a servant-leader who is as-comfortable ensuring robust infrastructure (with IaC) supports our SaaS-enabled capabilities, while also designing and implementing custom integration points between SaaS and bespoke technology platforms. The ideal candidate will possess a strong technical background in Java and Python, experience in serverless architectures and infrastructure as code, and hands-on experience with RDF and SPARQL in a Production setting. Key Responsibilities: Lead and mentor a team focused on data quality initiatives and the development of knowledge graph systems. Participate in the design, implementation, and...

End Date Thursday 01 January 2026 Salary Range £72,702 - £109,053 We support flexible working – click here for more information on flexible working options Flexible Working Options Hybrid Working, Job Share Job Description Summary . Job Description JOB TITLE: Software Engineer SALARY: £70,929 – £78,810 LOCATION(S): Bristol HOURS:  Full-time – 35 hours per week WORKING PATTERN:  Our work style is hybrid, which involves spending at least two days per week, or 40% of our time, at our Bristol office. About this opportunity At Lloyds Banking Group we're building a bank for the future, and we need your help. Lloyds Banking Group is the UK’s leading digital franchise, with over 13 million active online customers across our three main brands; Lloyds Bank, Halifax and Bank of Scotland. Our technology, our culture, and our mind-set is changing to craft a truly engineering-led organisation. In Analytics & AI, our mission is to automate...

OKX will be prioritising applicants who have a current right to work in Singapore, and do not require OKX's sponsorship of a visa.   Who We Are At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking access to crypto markets. We are safe and reliable, backed by our Proof of Reserves. Across our multiple offices globally, we are united by our core principles:  We Before Me ,  Do the Right Thing , and  Get Things Done . These shared values drive our culture, shape our processes, and foster a friendly, rewarding, and diverse environment for every OK-er. OKX is part of OKG, a group that brings the value of Blockchain to users around the world, through our leading products OKX, OKX...

We are looking for a skilled and motivated Software Developer to join our team working on an Acquisition & Collection platform hosted in Azure Cloud. This application is a critical service responsible for scraping and collecting data from various sources such as websites, SFTP servers, APIs, and more. You will play a key role in designing and implementing cloud-native, distributed systems that power our data acquisition capabilities. Key Responsibilities Design and Develop: Build and maintain microservices-based distributed systems using cloud-native architecture in Azure. Data Acquisition: Implement robust solutions for scraping and collecting data from diverse sources (WWW, SFTP, APIs). Code Quality: Ensure high-quality code by adhering to SOLID principles, applying design patterns, and leveraging static/dynamic analysis tools like SonarQube. Agile Delivery: Work in an Agile/SCRUM environment, contributing to sprint planning, reviews, and...

About the Role: Grade Level (for internal use): 10 The Role:   Full Stack Java Developer   Your mission is to design, create and maintain our backend applications that power our strategic metadata platform. You possess a profound knowledge of core Java, appreciation for the value of metadata enabling governance and quality and have a preference for creating frameworks rather than utilizing existing ones.     The Team   The Distribution & Data Platforms development team consists of passionate individuals who thrive on innovation and collaboration. We’re responsible for distributing data and metadata to clients, both internal and external. Our distribution platform is widely used within the company and serves many external clients. We value creativity, adaptability, and a commitment to excellence. Our team’s unique blend of technical expertise and business acumen sets us apart.     The Impact   Delivering data to clients in a timely manner is key to the success...

About the Role: Grade Level (for internal use): 10 The Role:   Full Stack Java Developer   Your mission is to design, create and maintain our backend applications that power our strategic metadata platform. You possess a profound knowledge of core Java, appreciation for the value of metadata enabling governance and quality and have a preference for creating frameworks rather than utilizing existing ones.     The Team   The Distribution & Data Platforms development team consists of passionate individuals who thrive on innovation and collaboration. We’re responsible for distributing data and metadata to clients, both internal and external. Our distribution platform is widely used within the company and serves many external clients. We value creativity, adaptability, and a commitment to excellence. Our team’s unique blend of technical expertise and business acumen sets us apart.     The Impact   Delivering data to clients in a timely manner is key to the success...

About the Role: Grade Level (for internal use): 11 The Role:   Java Developer   Your mission is to design, create and maintain our backend applications that power our strategic metadata platform. You possess a profound knowledge of core Java , appreciation for the value of metadata enabling governance and quality and have a preference for creating frameworks rather than utilizing existing ones.       The Team   The Distribution & Data Platforms development team consists of passionate individuals who thrive on innovation and collaboration. We’re responsible for distributing data and metadata to clients , both internal and external . Our distribution platform is widely used within the company and serves many external clients. We value creativity, adaptability, and a commitment to excellence. Our team’s unique blend of technical expertise and business acumen sets us apart....

About the Role: Grade Level (for internal use): 12 The Role:   Java Developer   Your mission is to design, create and maintain our backend applications that power our strategic metadata platform. You possess a profound knowledge of core Java , appreciation for the value of metadata enabling governance and quality and have a preference for creating frameworks rather than utilizing existing ones.       The Team   The Distribution & Data Platforms development team consists of passionate individuals who thrive on innovation and collaboration. We’re responsible for distributing data and metadata to clients , both internal and external . Our distribution platform is widely used within the company and serves many external clients. We value creativity, adaptability, and a commitment to excellence. Our team’s unique blend of technical expertise and business acumen sets us apart....

Virtu is an industry-leading financial technology firm that operates both proprietary trading and client-facing businesses in the global financial marketplace. Our cutting edge, proprietary technology is core to everything we do. We trade in over 35 countries, across 235 financial exchanges and over 25% of retail order flow in the US. is serviced by Virtu.    Our team is a dedicated group of traders, quants and developers that are inspired by the unique and exciting challenges we solve every day. Our culture combines the creativity of a fast paced start up, with the stability of a disciplined financial services firm. We are a flat organization and encourage our people to innovate and lean on their teammates for support and collaboration. We have fun, work hard and strive to be virtuous in all we do.  Developer Internship (Singapore)  Virtu's internship program offers students an extraordinary opportunity to learn about the firm and the world’s financial markets. We...

As a Senior Software Engineer you can join different teams to help us create a robust and reliable foundation for Optiver's infrastructure platform. Within either our Linux or Platform team, you will work closely to other experts depending on each project. We strive for excellence in everything we do because we believe that thoughtfully planned and well-orchestrated infrastructure is just as important as the algorithms running on our trading software. Without best-in-class infrastructure, there would be no foundation upon which to build our global market making core business. For that reason, we are looking for a Software Engineer who is committed to continuous improvement and thrives bringing new ideas to the table. WHAT YOU'LL DO: There are different teams in the Infrastructure Department working to create a robust and reliable foundation for Optiver's infrastructure platform. As a Senior Software Engineer  you can join our Linux or Infra-Platform teams. In both cases...

Job Description: Building trusted markets — powered by our people     At Cboe Global Markets, we inspire our people to solve complex challenges together because what we do matters. We provide the financial infrastructure that powers the global economy. As a leading provider of market infrastructure and tradable products, Cboe delivers cutting-edge trading, clearing and investment solutions to market participants around the world.    We’re building meaningful ways to support professional and personal development while strengthening the trust we’ve earned as a global market leader. Our teams are empowered to share ideas, actively pursue them and bring on a challenge. As champions of internal mobility and access to opportunity, we encourage our people to “go for it” and equip our managers with the training to coach their teams to the next level. We strive to provide employees a safe space to network, share ideas and create opportunities....

Why this role matters You will join our Payments Division as a Backend Software Engineer, Golang/Python . You will aim to extend, optimize, and support the production of the existing software solutions, ensuring we capture as much value from the market as possible. You will research and innovate new ideas in highly reliable, low-latency, and high-load computing in financial markets.  Our usual stack looks like this: Core services are written in Go and Python Everything is deployed to Kubernetes Our data is mostly in PostgreSQL We use a lot of Kafka But also a bit of Clickhouse, MongoDB, Cassandra Microservices, REST/JSON API, large databases and complex business logic inside. The role is based in our office in Limassol, Cyprus. In case of relocation, we offer full relocation support for you and your family to make your move smooth and worry-free. What you'll actually do Develop, test and maintain microservices in Go, Python Participate in...

Virtu is an industry-leading financial technology firm that operates both proprietary trading and client-facing businesses in the global financial marketplace. Our cutting edge, proprietary technology is core to everything we do. We trade in over 35 countries, across 235 financial exchanges and over 25% of retail order flow in the US. is serviced by Virtu.    Our team is a dedicated group of traders, quants and developers that are inspired by the unique and exciting challenges we solve every day. Our culture combines the creativity of a fast paced start up, with the stability of a disciplined financial services firm. We are a flat organization and encourage our people to innovate and lean on their teammates for support and collaboration. We have fun, work hard and strive to be virtuous in all we do.  DEVELOPER INTERNSHIP Virtu's internship program offers students an extraordinary opportunity to learn about the firm and the world’s financial markets. We have built a...

Virtu is an industry-leading financial technology firm that operates both proprietary trading and client-facing businesses in the global financial marketplace. Our cutting edge, proprietary technology is core to everything we do. We trade in over 35 countries, across 235 financial exchanges and over 25% of retail order flow in the US. is serviced by Virtu.    Our team is a dedicated group of traders, quants and developers that are inspired by the unique and exciting challenges we solve every day. Our culture combines the creativity of a fast paced start up, with the stability of a disciplined financial services firm. We are a flat organization and encourage our people to innovate and lean on their teammates for support and collaboration. We have fun, work hard and strive to be virtuous in all we do.  UI DEVELOPER INTERNSHIP Virtu's internship program offers students an extraordinary opportunity to learn about the firm and the world’s financial markets. We have built...

About the Role: Grade Level (for internal use): 11 The Team:   Join an innovative Agile technology team within a global organization, consisting of Development, Quality Assurance, and Product Ownership teams. As a senior developer and technical lead, you will enhance the platform's framework and uphold code quality standards. Collaborate with internal stakeholders to refine user stories and integrate with other internal systems. The team primarily focuses on building and maintaining REST APIs on cloud platforms, alongside full stack development for a sophisticated user interface application.   Responsibilities and Impact:   Engage in hands-on coding, documentation, testing, debugging, support, and team mentoring.   Design and develop applications using Python backends, databases, cloud services, and Java services. Take ownership of code modules and lead code review processes.   Collaborate with stakeholders to...

Key Functions: As a Senior Software Engineer in Benchmark & Index Management the individual will be responsible for developing high-quality, scalable software; designing and building robust, secure and efficient systems in the delivery of key index systems required for strategic business growth. The candidate will be required to provide technical expertise, ownership and responsibility in the end-to-end software delivery lifecycle. Key Responsibilities: Contributes and leads development through high-quality software design and architecture Identifies, prioritises, and performs tasks in the software development lifecycle Develops tools and applications by producing clean, efficient and scalable code Advocate for and implement engineering guidelines for excellence, including automation, code reviews, continuous integration/continuous delivery (CI/CD), and performance tuning Ensures high quality, reliable products using unit, integration and BDD test suites...

About Clear Street: Clear Street is modernizing the brokerage ecosystem. Founded in 2018, Clear Street is a diversified financial services firm replacing the legacy infrastructure used across capital markets.  We started from scratch by building a completely cloud-native clearing and custody system designed for today’s complex, global market. Our platform is fully integrated with central clearing houses and exchanges to support billions in trading volume per day. We’ve agonized about our data model abstractions, created horizontal scalability, and crafted thoughtful APIs. All so we can provide a best-in-class experience for our clients.  By combining highly-skilled product and engineering talent with seasoned finance professionals, we’re building the essentials to compete in today’s fast-paced markets. The Team: We started with a small group of experienced engineers and the team has significantly increased in size to a team of 30+ with plans to continue to grow.  The...

About Clear Street: Clear Street is modernizing the brokerage ecosystem. Founded in 2018, Clear Street is a diversified financial services firm replacing the legacy infrastructure used across capital markets.  We started from scratch by building a completely cloud-native clearing and custody system designed for today’s complex, global market. Our platform is fully integrated with central clearing houses and exchanges to support billions in trading volume per day. We’ve agonized about our data model abstractions, created horizontal scalability, and crafted thoughtful APIs. All so we can provide a best-in-class experience for our clients.  By combining highly-skilled product and engineering talent with seasoned finance professionals, we’re building the essentials to compete in today’s fast-paced markets. The Team: We started with a small group of experienced engineers and the team has significantly increased in size to a team of 30+ with plans to continue to grow.  The...