Software Engineer (Kotlin), Institutional Job at Blockchain (London)

Software Engineer (Kotlin), Institutional

Blockchain.com is connecting the world to the future of finance. As the most tru...

Location

France , Paris

Salary:

Not provided

Blockchain

Expiration Date

Until further notice

Requirements

Strong hands-on experience with Kotlin in backend and distributed systems development
Proven expertise building scalable APIs, microservices, and backend platforms for complex financial or data-intensive applications
Familiarity with cloud deployments, and service-oriented architectures
Knowledge of messaging and streaming technologies (NATS, Kafka, or similar)
Solid understanding of algorithms, data structures, databases, and distributed systems
Knowledge of ledger systems is a strong plus
Passion for solving challenging technical and financial problems with clean, maintainable code
Commitment to quality-driven engineering, with a strong focus on testing (unit, integration, performance, and failure recovery)
Experience in fintech, trading, or wealth management platforms is a strong advantage

Job Responsibility

Design and implement scalable, secure, and high-performance backend services in Java/Kotlin that power client-facing applications for trading, custody, and wealth management
Build robust APIs and microservices to support advanced dashboards, analytics tools, and mobile experiences
Collaborate closely with front-end engineers, product managers, and designers to deliver seamless, intuitive experiences for sophisticated investors
Architect solutions for portfolio management, trade execution, settlement, reporting, and analytics tailored to institutional and private clients
Optimize backend systems for low latency, high throughput, and fault tolerance
Integrate security best practices and advanced encryption to safeguard sensitive financial data
Continuously improve backend performance, reliability, and development workflows

What we offer

Unlimited vacation policy
Unlimited books policy
Apple equipment
Learning and development opportunities
Full-time salary based on experience and meaningful equity in an industry-leading company
Work from Anywhere Policy: You can work remotely from anywhere in the world for up to 20 days per year

Fulltime

Principal Software Engineer - Data Platform

Arcesium seeks an exceptional Principal Software Engineer – Data Platform to joi...

Location

United States , New York

Salary:

200000.00 - 250000.00 USD / Year

Arcesium

Expiration Date

Until further notice

Requirements

Strong academic background in computer science
5+ years of relevant experience as a software engineer at a top startup or technology firm
Expertise in at least one of: Kafka, ZeroMQ, AWS SNS/SQS, or equivalent streaming technology
Expertise in at least one of: Spark, Flink, Beam, or equivalent streaming data processing frameworks
Expertise in at least one of: Iceberg, delta lake, or other data lake table formats and supporting tooling
Hands-on experience in building near real-time data ETL, ELT and normalization
Fluency with Java, Kotlin, Scala, or any other JVM language
Familiarity with relational databases like Postgres, MSSQL, or Sqlite
Track record and appetite for building and launching new data products from scratch
Experience guiding and mentoring highly skilled engineers and driving large scale engineering projects across the firm

Job Responsibility

Build next generation technology used by some of the most sophisticated financial institutions in the world
Design exciting new products for our offering with best of breed distributed systems technologies
Drive solutions around data modeling, data pipelining & orchestration, data transport, and access control
Propose and review solution design across engineering teams as they onboard onto the data platform
Lead high-visibility engineering efforts on some of our data intensive core components
Take a hands-on technical leadership role in guiding a group of equally talented engineers to own and deliver high quality solutions under tight market-driven deadlines

What we offer

Variable compensation in the form of a year-end bonus, guaranteed in the first year of hire
Medical and prescription drug coverage
401k contribution matching

Fulltime

Head of Engineering – Capital Markets Technology

Our client is looking for a Head of Engineering to lead and scale a high-perform...

Location

Saudi Arabia , Riyadh

Salary:

Not provided

Salt

Expiration Date

Until further notice

Requirements

10+ years in software engineering
5+ years in senior engineering leadership
Proven experience scaling teams in fintech, capital markets, or trading environments
Strong executive communication and stakeholder management skills
Experience from a leading fintech or technology-driven financial institution (e.g., Saham, Awaid, Robinhood or similar)
Strong experience across mobile, web, backend, and data platforms

Job Responsibility

Lead and scale a high-performing, multi-disciplinary engineering organization supporting digital trading and capital markets platforms
Define the engineering strategy and architecture roadmap
Ensure platform scalability, performance, and reliability
Embed modern engineering practices including CI/CD, DevOps, Agile, and automated testing
Lead teams across Mobile (Kotlin, Swift), Frontend (Vue.js), Backend (.NET), and Database (Oracle)
Build a culture of ownership, delivery excellence, and continuous improvement

Fulltime

New

Software Solution Architect

As a Solution Architect, you will be responsible for designing and implementing ...

Location

Egypt

Salary:

Not provided

Youxel

Expiration Date

Until further notice

Requirements

Bachelor's degree in Computer Science, Engineering, or a related field. A Master's degree is preferred
Proven experience as a Solution Architect or similar role, with a deep understanding of the .NET technology stack
Strong background in developing mobile applications using Swift and Kotlin
Extensive experience in designing and implementing microservices architecture
Proficient in managing SQL Server databases
Experience with Angular or similar front-end frameworks
Excellent knowledge of software development and architectural patterns
Familiarity with various operating systems (Linux, Mac OS, Windows)
An analytical mind with problem-solving abilities
Excellent communication and presentation skills

Job Responsibility

Design and implement high-level structural solutions that are scalable, performant, and secure
Analyze current technologies used within the company and determine ways to improve
Document and monitor requirements needed to institute proposed updates
Work with project managers and developers to ensure that solutions meet business needs and align with architectural guidelines
Provide technical leadership and support to software development teams
Act as a liaison between the technical and non-technical departments
Ensure the architectural integrity and scalability of .NET application development
Design and develop mobile applications using Swift for iOS and Kotlin for Android
Implement microservices architecture and manage SQL Server databases to support application needs
Monitor systems to ensure they meet both user needs and business goals

Fulltime

New

Forklift Operator

We are currently looking for a highly experienced and professional forklift oper...

Location

Canada , Vaudreuil-Dorion

Salary:

24.00 CAD / Hour

Randstad

Expiration Date

April 12, 2026

Requirements

Minimum of 1 to 2 years of mandatory experience as a forklift operator
Valid and up-to-date forklift operator certification
Physical ability to work in a cold warehouse environment
Functional mastery of the French language
Unimpeachable reliability and punctuality
Ability to travel daily to Vaudreuil-Dorion

Job Responsibility

Operate electric forklifts (mostly sit-down) in compliance with manufacturing & logistics standards
Load and unload trucks with precision and speed
Place pallets of goods onto high-level racking systems
Work daily in cold storage zones (between 2 and 15 degrees Celsius)
Collaborate with colleagues in the manufacturing & logistics division to ensure operational fluidity
Perform daily safety checks on all electric lifting equipment
Maintain a clean and safe work area at all times

What we offer

Stable and competitive salary of $24 per hour
Fixed day shift: 7:00 AM to 3:30 PM
Weekly pay
Easy access location in Vaudreuil-Dorion
Position almost 100% on the forklift
Constant support from Randstad, a global leader in manufacturing & logistics

Fulltime

New

Warehouse clerk

We are looking for a dynamic Warehouse Clerk to join our warehouse in Vaudreuil ...

Location

Canada , Vaudreuil-Dorion

Salary:

20.00 CAD / Hour

Randstad

Expiration Date

April 16, 2026

Requirements

Ability to perform physical work and lift loads repeatedly
Ability to use technological tools such as RF scanners
Proficiency in safe handling techniques and use of pallet jacks
Excellent attention to detail and accuracy when preparing orders
Ability to work as part of a team in a fast-paced manufacturing and logistics environment
Organizational skills and ability to manage priorities to meet production quotas

Job Responsibility

Receiving goods and checking delivery notes for compliance
Storing products in their assigned locations
Picking orders accurately and on time
Packing products securely to prevent damage during transport
Use a barcode reader (RF scanner) on a daily basis to ensure inventory traceability
Operate manual or electric pallet jacks to move pallets around the warehouse
Participate in cycle counting to maintain inventory accuracy
Prepare orders for final shipment by printing the appropriate labels

What we offer

Weekly pay
Stable schedule Monday through Friday, 8:00 a.m. to 4:00 p.m.
Access to comprehensive on-site training to ensure your success
Opportunities for growth within an internationally renowned company

Fulltime

New

Production Operator

We are currently looking for a production operator to join our clients team loca...

Location

Canada , Huntingdon

Salary:

22.54 - 27.42 CAD / Hour

Randstad

Expiration Date

April 26, 2026

Requirements

Ability to lift, push & pull 30-50lbs
Ability to work daily in Huntingdon, Quebec
Ability to operate several different production machines
Ability to stand on feet & work for 12h shifts
Ability to work both the day & night shift on 12h rotations
Available to work every second weekend

Job Responsibility

Operate diverse machines in several departments (production, packaging)
Handling raw materials onto the production line
Quality control production line
Handling of raw agricultural products
Working in refrigerated and humid departments when necessary

What we offer

Competitive salary starting at $22.54-$27.42 based on experience
Rotating 3-2-2-3 shifts on the day & night, 7am-7pm & 7pm-7am (8h day/evening/night rotating shifts to start)
12h shifts (8h shifts to start)
Start date: November 3rd 2025
Enjoy 3 day and 4 day weekends every week!
Located in Huntingdon, Quebec. Only 35-45 minutes from Vaudreuil-Dorion, Châteauguay et Beauharnois!
Weekly pay

Fulltime

New

Production Operator

We are currently looking for a production operator to join our clients team loca...

Location

Canada , Huntingdon

Salary:

22.54 - 27.42 CAD / Hour

Randstad

Expiration Date

April 16, 2026

Requirements

Ability to lift, push & pull 30-50lbs
Ability to work daily in Huntingdon, Quebec
Ability to operate several different production machines
Ability to stand on feet & work for 12h shifts
Ability to work both the day & night shift on 12h rotations
Available to work every second weekend

Job Responsibility

Operate diverse machines in several departments (production, packaging)
Handling raw materials onto the production line
Quality control production line
Handling of raw agricultural products
Working in refrigerated and humid departments when necessary

What we offer

Competitive salary starting at $22.54-$27.42 based on experience
Rotating 3-2-2-3 shifts on the day & night, 7am-7pm & 7pm-7am (8h day/evening/night rotating shifts to start)
12h shifts (8h shifts to start)
Enjoy 3 day and 4 day weekends every week
Located in Huntingdon, Quebec. Only 35-45 minutes from Vaudreuil-Dorion, Châteauguay et Beauharnois
Weekly pay

Fulltime

Software Engineer (Kotlin), Institutional

Blockchain

Location:
United Kingdom , London

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
December 06, 2025

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