CrawlJobs Logo

Senior Back-End Engineer, Trading Platform

blockchain.com Logo

Blockchain

Location Icon

Location:
France , Paris

Category Icon

Job Type Icon

Contract Type:
Not provided

Salary Icon

Salary:

Not provided

Job Description:

Blockchain.com is connecting the world to the future of finance. As the most trusted and fastest-growing global crypto company, it helps millions of people worldwide safely access cryptocurrency. Since its inception in 2011, Blockchain.com has earned the trust of over 90 million wallet holders and more than 40 million verified users, facilitating over $1 trillion in crypto transactions. Blockchain is the world's leading software platform for digital assets. Founded in 2011, we provide the world’s largest and most trusted production blockchain platform, powering more than 75 million wallets. Together with our platform of liquidity and execution services, we share the passion to build an open, accessible and fair financial future, one piece of software at a time. We are looking to hire a Senior Software Engineer to join our Institutional team in our Paris office. Blockchain.com is a high-performance culture marked by fearlessness and hyper productivity. You are a hardworking team player with a desire to learn and grow with us, someone who can work harder, faster, and smarter to deliver tangible results and process improvements.

Job Responsibility:

  • Build low latency, scalable and highly performant trading services in RUST including Order Management System (OMS), exchange gateways, risk management systems, etc.
  • Enhance and maintain OMS functionality, ensuring efficient order execution, routing, and management in a high-frequency trading environment
  • Be a part of a fast-paced dedicated engineering team committed to constantly improving and iterating on cutting edge systems
  • Be at the forefront of the cryptocurrency exchange ecosystem building out a new set of financial services, systems and architecture
  • Gain exposure to an array of low latency, high throughput techniques and algorithms
  • Ensure security is at the forefront of everything you do, employing advanced encryption schemes to secure user and company data
  • Work closely with the other tech teams to seamlessly deliver the highest quality products and improve performance across the board

Requirements:

  • Extensive experience in C++ and/or Rust
  • Experience with Python and SQL
  • Experience in one or more of the following programming areas: Multithreading
  • Network programming, including multicast
  • Performance benchmarking and tuning
  • Extreme interest in delivering high quality software
  • Experience in trading systems architecture: Familiarity with Order Management Systems (OMS), exchange gateway connectivity, market data ingestion and processing, as well as high-throughput, low-latency systems
  • Basic understanding of algorithms, data structures, databases and distributed systems is must

Nice to have:

  • You possess an innate curiosity, and thrive on learning new technologies
  • You take a pragmatic approach to developing clean solutions to complex problems
What we offer:
  • Full-time salary based on experience and meaningful equity in an industry-leading company
  • Hybrid model working from home & our office in Paris
  • Work from Anywhere Policy: You can work remotely from anywhere in the world for up to 20 days per year
  • ClassPass
  • Budgets for learning & professional development
  • Unlimited vacation policy
  • work hard and take time when you need it
  • Apple equipment
  • The opportunity to be a key player and build your career at a rapidly expanding, global technology company in an emerging field
  • Flexible work culture

Additional Information:

Job Posted:
December 06, 2025

Employment Type:
Fulltime
Work Type:
Hybrid work
Job Link Share:

Looking for more opportunities? Search for other job offers that match your skills and interests.

Briefcase Icon

Similar Jobs for Senior Back-End Engineer, Trading Platform

Senior C# Developer – Pricing Engines

Join a fast-paced trading tech environment where your C# code powers real-time p...
Location
Location
Netherlands , Amsterdam
Salary
Salary:
Not provided
levy-professionals.com Logo
Levy Professionals
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Extensive experience with C#/.NET in complex back-end or trading systems
  • Proven low-latency, high-throughput engineering expertise (ideally in pricing or market data)
  • Deep knowledge of concurrency, async IO, performance tuning, profiling, TCP/binary protocols
  • Strong understanding of financial markets: FX spot/forwards/swaps, bonds, IR swaps, curves, PV/DV01
  • Experience working with front-office stakeholders
  • Clear communication and the ability to simplify complex concepts
Job Responsibility
Job Responsibility
  • Build high-performance C# services on .NET Core for real-time pricing and risk
  • Refactor and migrate existing C# and Java components into a unified .NET Core platform
  • Optimise multithreading, memory, GC and network performance on bare-metal servers
  • Implement curve handling and curve location for FX, bonds and rates
  • Integrate with trading tools, market data feeds and external pricing/execution platforms
  • Ensure safe, efficient price distribution via internal messaging
  • Contribute to automated testing, CI/CD and observability in a 24/7 trading setup
  • Work in an agile DevOps team with shared support responsibilities
Read More
Arrow Right

Senior SDET

At Ledger, we’re proud to be the global platform for digital assets and Web3, wi...
Location
Location
France , Paris
Salary
Salary:
Not provided
https://www.ledger.com Logo
Ledger
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Hands-on experience in developing test automation solutions using Typescript (Python is optional)
  • Proficiency using QA Automation Frameworks : Playwright, Detox or Selenium
  • Proficient in front-end and back-end testing tools and approaches
  • Good knowledge of development processes, design patterns and programming principles
  • Prior experience designing workflows and building CI/CD pipelines
  • Able to work effectively across multiple teams, build strong technical relationships, and operate in a highly collaborative environment
  • Curious, pragmatic, and innovative — you stay current with industry trends, challenge assumptions, and identify opportunities to improve quality and engineering efficiency
  • Strong communication and influence skills in spoken and written English, capable of explaining risks, trade-offs, and technical constraints clearly to both engineers and non-engineers
  • Broad technical awareness across different codebases, platforms, and testing approaches, with the ability to quickly understand new areas and guide teams toward better quality practices
  • Solid understanding of Bash/shell scripting and comfortable working with Kubernetes-based infrastructure (logs, pods, CI environments, debugging test environments, etc.)
Job Responsibility
Job Responsibility
  • Designing and improving tools, workflows, and processes that strengthen quality across the SDLC
  • Performing manual testing when automation is not practical or when deep exploratory validation is required
  • Building new and maintaining existing workflows for CI/CD pipelines
  • Maintaining automation frameworks and test tooling (primarily TypeScript
  • Python appreciated but optional)
  • Improving test coverage and helping teams integrate automated testing into their development routines
  • Integrating automated testing into Quality Assurance practices
  • Running workshops, coaching sessions, and pair-testing/pair-programming to raise automation maturity across teams
  • Communicating with product squads about the improvements following the strategy, sharing of experiences, best practices and lessons learnt
What we offer
What we offer
  • Flexible work options - Our hybrid policy allows employees to work from home up to 3 times per week
  • Health & Wellness support - Health and Life Insurance
  • Financial growth opportunities - Employees can become shareholders in Ledger as well as other financial benefits depending on your country of work
  • Commuter allowance - Ledger offers a commuter allowance to contribute to your preferred means of transportation
  • Learning & Development - A comprehensive suite of training solutions providing a personalised learning experience for every employee
  • Fulltime
Read More
Arrow Right
New

Senior Digital IC Design Engineer

SCALINX’s design team is seeking a dynamic and experienced digital designer who ...
Location
Location
France , Paris; Caen; Grenoble
Salary
Salary:
Not provided
scalinx.com Logo
SCALINX
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • MSc or PhD in Electrical Engineering or equivalent
  • Very good understanding of the entire digital IC design flow from RTL to GDSII
  • Strong expertise in digital electronics and signal processing
  • Proven experience in digital IC projects and technical leadership roles
  • Strong experience with ARM or RISC-V based SoC platform design
  • Solid experience with high-speed serial interfaces (JESD204, Ethernet, PCIe…)
  • Expertise in digital hardware description languages (VHDL or Verilog) and SystemVerilog
  • Experience with Cadence, Synopsys or Siemens RTL design flow
  • Proven experience with GIT and Linux systems
  • Skilled in scripting languages (Python, TCL, Perl)
Job Responsibility
Job Responsibility
  • Design of complex RTL blocks based on micro-architecture specifications
  • Top level integration of various RTL blocks and complex IPs
  • Execute complete LINT/CDC/RDC checks
  • Write SDC constraints to run logical synthesis
  • Write detailed design documentation in accordance with company QA policy
  • Generates KPI and report progress to the Program Manager
  • Timely deliver state-of-the-art RTL package to Digital Verification, DFT and Back-End teams
  • Lead and support digital design work-packages from RTL to netlist
  • Animate design reviews
  • Participate with the other project technical leaders in the definition of the IC architecture specifications and verification methodology
Read More
Arrow Right

Senior Software Engineer

We are seeking a self-sufficient, highly motivated Senior Software Engineer to j...
Location
Location
Bangladesh , Dhaka
Salary
Salary:
Not provided
optimizely.com Logo
Optimizely
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 7+ years of software engineering experience working with scalable distributed systems and microservices
  • Essential skills in TypeScript/JavaScript/React for front-end, and Node/Python for back-end development
  • Strong proficiency in designing, building, and scaling RESTful APIs, asynchronous/event-driven architectures, or distributed systems, and integrating external services in production
  • Solid understanding of microservices architecture, cloud environments (AWS, GCP, Azure) and secure user authentication (e.g. OAuth/OpenID)
  • Strong working knowledge of software engineering fundamentals, design patterns and principles, and engineering best practices for producing high quality code, and familiarity with modern software quality practices
  • Strong knowledge of Git, CI/CD practices and Docker
  • Database experience in MongoDB, MySQL, Elasticsearch, Redis, PostgreSQL, or similar technologies
  • Skills in cloud infrastructure management, distributed stream processing, and working with large-scale web applications
  • Demonstrated ability to quickly learn and apply new technologies on the job
  • Exceptional communication skills, particularly in analysing and communicating trade-offs of different technical solutions
Job Responsibility
Job Responsibility
  • Develop, maintain, and improve our SaaS platform ensuring high performance, reliability, and scalability
  • Engage in effective dialogue with Product teams, analyzing and communicating the trade-offs of various technical solutions and approaches
  • Utilise strong technical leadership to provide leverage, assisting engineers in shipping and maintaining projects that solve large, complex problems
  • Ensure the highest levels of operational excellence for the services and components worked on
  • Help drive alignment, clarity, and results in partnership with various stakeholders, especially in projects where scope may be unclear
What we offer
What we offer
  • Best-in-class compensation plans
  • Two annual festival bonuses
  • Recognition and rewards programs
  • Vacations days
  • Annual Work/Service Anniversary Leave
  • Parental leave (both maternity and paternity)
  • Health insurance
  • Reproductive benefits for both parents
  • Volunteering opportunities to make a difference
  • Free communal transport facilities inside Dhaka to and from the office
  • Fulltime
Read More
Arrow Right

Senior Software Engineer

We are seeking a self-sufficient, highly motivated Senior Software Engineer to j...
Location
Location
Bangladesh , Dhaka
Salary
Salary:
Not provided
optimizely.com Logo
Optimizely
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 7+ years of software engineering experience working with scalable distributed systems and microservices
  • Essential skills in TypeScript/JavaScript/React for front-end, and Node/Python for back-end development
  • Strong proficiency in designing, building, and scaling RESTful APIs, asynchronous/event-driven architectures, or distributed systems, and integrating external services in production
  • Solid understanding of microservices architecture, cloud environments (AWS, GCP, Azure) and secure user authentication (e.g. OAuth/OpenID)
  • Strong working knowledge of software engineering fundamentals, design patterns and principles, and engineering best practices for producing high quality code, and familiarity with modern software quality practices
  • Strong knowledge of Git, CI/CD practices and Docker
  • Database experience in MongoDB, MySQL, Elasticsearch, Redis, PostgreSQL, or similar technologies
  • Skills in cloud infrastructure management, distributed stream processing, and working with large-scale web applications
  • Demonstrated ability to quickly learn and apply new technologies on the job
  • Exceptional communication skills, particularly in analysing and communicating trade-offs of different technical solutions
Job Responsibility
Job Responsibility
  • Develop, maintain, and improve our SaaS platform ensuring high performance, reliability, and scalability
  • Engage in effective dialogue with Product teams, analyzing and communicating the trade-offs of various technical solutions and approaches
  • Utilise strong technical leadership to provide leverage, assisting engineers in shipping and maintaining projects that solve large, complex problems
  • Ensure the highest levels of operational excellence for the services and components worked on
  • Help drive alignment, clarity, and results in partnership with various stakeholders, especially in projects where scope may be unclear
What we offer
What we offer
  • Best-in-class compensation plans
  • Two annual festival bonuses
  • Recognition and rewards programs
  • Vacations days
  • Annual Work/Service Anniversary Leave
  • Parental leave (both maternity and paternity)
  • Health insurance
  • Reproductive benefits for both parents
  • Volunteering opportunities to make a difference
  • Free communal transport facilities inside Dhaka to and from the office
  • Fulltime
Read More
Arrow Right

Senior Software Engineer

We are seeking a self-sufficient, highly motivated Senior Software Engineer to j...
Location
Location
Bangladesh , Dhaka
Salary
Salary:
Not provided
optimizely.com Logo
Optimizely
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 7+ years of software engineering experience working with scalable distributed systems and microservices
  • Essential skills in TypeScript/JavaScript/React for front-end
  • Essential skills in Node/Python for back-end development
  • Strong proficiency in designing, building, and scaling RESTful APIs, asynchronous/event-driven architectures, or distributed systems
  • Strong proficiency in integrating external services in production
  • Solid understanding of microservices architecture
  • Solid understanding of cloud environments (AWS, GCP, Azure)
  • Solid understanding of secure user authentication (e.g. OAuth/OpenID)
  • Strong working knowledge of software engineering fundamentals, design patterns and principles
  • Strong working knowledge of engineering best practices for producing high quality code
Job Responsibility
Job Responsibility
  • Develop, maintain, and improve our SaaS platform ensuring high performance, reliability, and scalability
  • Engage in effective dialogue with Product teams, analyzing and communicating the trade-offs of various technical solutions and approaches
  • Utilise strong technical leadership to provide leverage, assisting engineers in shipping and maintaining projects that solve large, complex problems
  • Ensure the highest levels of operational excellence for the services and components worked on
  • Help drive alignment, clarity, and results in partnership with various stakeholders, especially in projects where scope may be unclear
Read More
Arrow Right
New

MIS Executive

Experince 2-4yearslocation:Bangalore 2 - 6 years into MIS, MIS Executive sales M...
Location
Location
India , Bengaluru
Salary
Salary:
Not provided
https://www.randstad.com Logo
Randstad
Expiration Date
March 06, 2026
Flip Icon
Requirements
Requirements
  • 2 - 6 years into MIS
  • Handling large datasets using Advanced Excel (Pivot Tables, VLOOKUP/XLOOKUP, dashboards)
  • Writing SQL queries to extract and validate sales data
  • Creating Power BI dashboards for sales performance, trends, and management reporting
  • Supporting sales, logistics, and business teams with ad-hoc reports and analysis
  • Ensuring data accuracy, consistency, and timely delivery of reports
Job Responsibility
Job Responsibility
  • Preparing daily, weekly, and monthly MIS reports for sales and operations
  • MIS Executive sales MIS for parts business
Read More
Arrow Right
New

Ecommerce Content Specialist

Location
Location
India , Bangalore
Salary
Salary:
Not provided
https://www.randstad.com Logo
Randstad
Expiration Date
March 08, 2026
Flip Icon
Requirements
Requirements
  • Bachelor's degree holders. Major in Graphic Design (preferred)
  • Demonstrated a minimum of 3 years of experience in content design and e-Commerce
  • Demonstrated expertise in graphic design, eCommerce, project management within a region, preferably in the APAC
  • Technical Skills: Proficiency in content design tools such as Photoshop, Firefly, video editing tools and other Adobe design tools
  • Strong analytical skills with hands-on experience in leveraging various tools to drive insights and optimize performance
  • Fluent English communication capability
Job Responsibility
Job Responsibility
  • Content Understanding & Benchmarking
  • Playbook Creation (QCOM + Adaptation of ASIA E-com Playbook)
  • Content Development - SELF + AGENCY
  • Content Upload Management
  • Performance Monitoring & Optimization
  • Cross-functional Coordination
Read More
Arrow Right