java backend developers jobs in Ottawa

Build reliable applications at Sun Life using full-stack Java, Spring, React, and native iOS development in a hybrid work model. Support web, mobile, API, and middleware layers across the application lifecycle. As a Senior Software Engineer, you will develop and support applications within Sun Life’s e-Business team and Application Operations Support. The...

High Tech Genesis (HTG) is seeking a Backend Engineer, Data Engineering to join a backend-focused data engineering team. The role focuses on processing large volumes of data and delivering reliable, structured datasets for downstream systems.The ideal candidate has strong backend and data-processing experience with Scala and Java as core technologies; Ruby...

Earn Up To $50/hr as an OpenClaw Agent BuilderShape the future of autonomous agents like OpenClaw. Freelance, remote, up to $50 USD/hr. Weekly payments.Trusted by 10,000+ software engineers worldwideMIN EXP REQUIRED2+ yearsPAY RATEUp to $50 USD/hrEarn Up To $50 USD/hr— Plus Additional IncentivesRates vary based on expertise and project requirements. Paid...

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...

Lead Java and React development for Manulife’s hybrid Canadian Retirement Technology team, shaping secure cloud-native applications and mentoring engineering teams. This lead full stack software engineer provides technical leadership across the software development lifecycle. You will partner with product owners, architects, and engineering teams using...

Location: Canada (Remote-friendly) Start date: ASAP Languages: English (required), French (strong plus) Databases: PostgreSQL, MongoDB About The Role Pragmatike is hiring on behalf of a fast-growing, product-driven technology company building data-intensive platforms used at scale across multiple markets. The product focuses on automation, data extraction,...

Enterprise AI is moving from pilots to production, and the constraint is no longer the model —it'sthe data. Agents are only as good as what they can sense, trust, and act on in the moment, and real-time, event-driven data is becoming thefoundationevery serious AI system runs on. Solace istheleadingreal-time data platform for the enterprise AI era....

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...

JAVATechnical Consultant - Integration Specialist Our client is a young, dynamic player within the Internet / Web Technology industry, working with Fortune 500 clients to solve their development needs mainly in AquaLogic and Oracle COREid. Growing rapidly, this innovative company is looking to hire a number of technical consultants to work in a permanent...

Software Engineer - C++ / Python / Android / Java L1 Job Description Job Title: Software Engineer - C++ / Python / Android / Java L1 City: Ottawa State/Province: Ontario Posting Start Date: 10/29/26 Wipro Limited (NYSE: WIT, BSE: 507685, NSE: WIPRO) is a leading technology services and consulting company focused on building innovative solutions that address...

HHHub.eu, a FinTech software provider with over 25 years of experience, seeks a Senior .NET Engineer – Banking & Payments to design and develop backend systems for core banking, account management, and payment processing. You will contribute across the software lifecycle, mentor peers, and participate in architecture discussions, code reviews, and CI/CD...

The Data and Storage Services team is responsible for affirm’s data infrastructure across OLTP and OLAP systems, spanning critical online checkout databases, batch orchestration, streaming infrastructure, event-driven frameworks, BI, analytics tooling, large-scale data platforms, and agentic data tools such as semantic layers and internal platform data...

Outlier is seeking OpenClaw Agent Builder contractors to help shape autonomous agents. This remote, freelance role offers up to $50 USD/hr with flexible, non-mandatory hours and weekly payments. Contributions support AI development and multi-step agent orchestration.Ideal candidates have 2+ years in backend engineering or AI automation, with a track record...

At Affrim, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. The Observability team builds the platform every Affrim engineer relies on to understand the behavior and performance of our systems. Our platform ingests 200+ TB/day of metrics,...

Ready for a challenge? Then Just Eat Takeaway.com might be the place for you. We’re a leading global online delivery platform, and our vision is to empower everyday convenience. Whether it’s a Friday-night feast, a post-gym poke bowl, or grabbing some groceries, our tech platform connects tens of millions of customers with hundreds of thousands of...

The Online Storage team provides a set of managed databases as a platform, used to persist data for all AffIn servicesOur platform enables self-service access to OLTP storage systems, including Relational DB(MySQL), KV(DynamoDB), Distributed SQL(TiDB) and Cache(Redis)As a team, we are responsible for various data and access patterns, including but not...

Established in 1991, Collabera has been a leader in IT staffing for over 22 years and is one of the largest diversity IT staffing firms in the industry. As a half a billion dollar IT company, with more than 9,000 professionals across 30+ offices, Collabera offers comprehensive, cost-effective IT staffing & IT Services. We provide services to Fortune 500 and...

At Affirm, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters mostYour role will be instrumental in designing the next generation of Affirm’s Checkout Platform to provide a world‑class buying experience that puts customers first!We...

The Streaming team at Affirm is responsible for all things data and drives the strategy for event driven architecture, stream processing, data exploration, discovery and validationWe leverage existing open source technologies like Kafka, Flink, Schema registry and also build our own as neededAs a member of our team you would spend time identifying and...

Join to apply for the Software Engineer, Backend role at Clipboard Get AI-powered advice on this job and more exclusive features. We exist to lift as many people up the socioeconomic ladder as possible. We dramatically improve lives by letting professionals turn extra time and ambition into career growth and financial opportunity. We achieve this with our...