java backend developer

Build scalable APIs from Kimberley as a Senior Backend Software Engineer, using RESTful design, GraphQL, and microservices architecture expertise.This senior role focuses on backend development for core products and services. You will design robust APIs, manage data efficiently, and write maintainable code. Collaboration with frontend developers, product...

Build secure identity services at Affirm using Python or Kotlin while working remotely from eligible Canadian provinces. Authentication is central to this customer-facing engineering work.As a mid-engineering Software Engineer II in Information Security, you will contribute to customer identity and access management capabilities. You will develop backend...

Design and develop scalable backend systems for blockchain trading bots with MongoDB, Redis, and Web3 integration. 01 About UsAt Transactix, we're on a mission to build Canada's next-generation payments infrastructure through CADX™ and the Open Value Network™. We believe in creating an interoperable and transparent financial rails for Canadians, merging...

Build scalable Node.js microservices for BlackBerry Radar, using AWS, Redis, MySQL, and Elasticsearch across real-time IoT systems.As a Senior Full Stack Developer, you will help expand Radar’s cloud platform within BlackBerry’s engineering team. Your work spans backend development, data-intensive telemetry systems, React, and architectural decisions....

Build backend systems in Waterloo, Ontario, with REST APIs, microservices, and event-driven architecture in a hybrid environment. Apply modern frameworks and languages to deliver reliable software. This backend developer role requires eight years of experience, including five or more years in backend development. You will work with SOAP, REST APIs,...

Back End Developer - Master-Level Internship Location: Toronto, Ontario, Canada Salary: $95,000.00 - $105,000.00 Employment Type: Full-time Seniority Level: Mid-Senior level Job Function: Information Technology (IT Services and IT Consulting) Job Overview Implement backend solutions using AWS services such as Lambda and ECS containers, ensuring code adheres...

Fleetworthy seeks a Senior Backend Developer to innovate fleet readiness technology through effective API design and robust database management, embracing a data-driven approach. As a Senior Backend Developer at Fleetworthy, you will leverage more than 4 years of backend experience to build RESTful and GraphQL APIs while managing PostgreSQL databases. Your...

Fleetworthy seeks a Senior Backend Developer to innovate fleet readiness technology through effective API design and robust database management, embracing a data-driven approach. As a Senior Backend Developer at Fleetworthy, you will leverage more than 4 years of backend experience to build RESTful and GraphQL APIs while managing PostgreSQL...

Build secure backend services with PHP and Laravel at BUMP in a hybrid, permanent full-time Backend Developer role. Work across APIs, databases, and production systems.On BUMP's Prediction Markets team, you will support a multi-tenant platform designed for Latin American markets. The work includes REST and GraphQL APIs, PostgreSQL databases, queue-driven...

Build reliable backend services remotely across Canada or the United States with Ruby on Rails, observability, and production software expertise. Help strengthen Device Trust authentication.As an Intermediate Developer at 1Password, you will improve the systems supporting Device Trust authentication. This software engineering role emphasizes reliability,...

Seeking a highly experienced Senior Core Java Developer with expertise in Core Java, Spring Framework, and low‑latency multi‑threaded programming. Design, develop, and maintain high‑performance, scalable, and resilient applications supporting capital markets and financial operations. Collaborate with global teams to deliver robust technology solutions...

Associate Business Partner - Senior Talent Acquisition - IT Financial Services at Iris Software Iris's client, one of the world's largest multinational Investment banking and financial services corporations, is looking to hire a Java API developer for a long-term opportunity. Work Location: Toronto, ON (Hybrid Onsite – 4 days a week) Seniority level:...

Location: NJ and NYPosition Type: W2 and Fulltime (No C2C)We are seeking a Junior Level Java Developer with 3-4 years of experience. Qualifications: Previous experience in software development, computer engineering, or other related fields Knowledge of Java, Python, or other programming languages Familiarity with relational databases such as MySQL, Oracle,...

We are seeking a Java Full Stack Developer to design, develop, maintain, and support enterprise applications while serving as a liaison between business stakeholders and development teams. This role is responsible for translating business requirements into technical solutions, developing scalable full-stack applications, enhancing user interfaces, supporting...

OverviewJob Title: Senior Java DeveloperWe are seeking a highly experienced Senior Java Developer to join the Ops Tech department. In this pivotal role, you will contribute significantly to the successful delivery of the UPE Phase 2 initiative. You will be responsible for designing, developing, and implementing robust, scalable, and high‑performance...

Java + SQL + Angular Developer - 26-02536 Remote - Must sit in Canada 1yr Duration Temp T4 or C2C NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. Job Description Once You Are Here, You Will: The Senior Applications Developer provides input and support for, and performs full systems life cycle management...

Develop Java backend systems and RESTful APIs remotely for Agility PR Solutions, integrating LLMs and modern agent frameworks.This Junior Software Developer role focuses on backend engineering, artificial intelligence, and distributed systems. You will address large-scale data processing, distributed workloads, and intelligent orchestration. Your work...

Select how often (in days) to receive an alert: Create Alert NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, We are currently seeking a Java + SQL + Angular Developer to join our team in Toronto, Ontario (CA-ON), Canada...

Work Arrangement: Onsite (5 days a week) Employment Type: Contract Duration: 06-12 Months Pay Rate: CAD 46-48/hour Incorporated Domain: Telecom Application Deadline: Oct. 30th, 2026 SKILLS REQUIRED: Hands-on experience developing REST APIs, microservices, and distributed applications. Strong knowledge of Spring Security, JWT/OAuth2, PostgreSQL, and Neo4j...

Advance your career as a Senior Developer specializing in Java and C programming, with a focus on web services and user satisfaction. Effective communication is key to this role. We are seeking a seasoned developer with a minimum of 5+ years of experience and a bachelor’s degree in Computer Science or a related field. Strong experience in Java, C,...