MongoDB logo

Senior Software Engineer, Application Migration

MongoDB · Sydney

Location
Sydney
Funding
Public Company
Posted
May 15, 2026

MongoDB is hiring a Senior Software Engineer, Application Migration based in Sydney. Every apply link on Engg.space goes straight to the company's own careers page - no recruiter middleman, no generic job-board form.

Apply directly at MongoDB

Role details

We're looking for a Senior Engineer with a strong background in computer science fundamentals, systems design, experience in the Java ecosystem, streaming systems, and data-intensive applications to join our engineering team. In this role, you will be instrumental in designing, building, and optimizing the underlying data structures, algorithms, and database interactions that power our generative AI platform, code generation and migration tools. This involves crafting sophisticated orchestration layers, robust integration points, and high-performance data systems that seamlessly connect and leverage advanced AI capabilities for code generation and building a sophisticated data migration suite using a modern technology stack, which includes Java, Spring Boot, Kafka, Debezium, and React.You will work on critical components that ensure the scalability, efficiency, and reliability of our services, collaborating closely with AI researchers, product management and other engineers to design and implement cutting-edge products that solve complex customer challenges.. We are looking to speak to candidates who are based in Sydney for our hybrid working model. The ideal candidate for this role will have 6+ years of engineering experience in backend systems, distributed systems, or core platform development. Proficiency in one or several of Java, Rust, C/C++, and/or Python, with a strong understanding of systems-level programming, memory management, and performance tuning. Extensive experience with streaming data platforms such as Apache Kafka and Change Data Capture (CDC) tools like Debezium Extensive experience with relational data modeling and hands-on experience with at least one SQL database (Postgres, MySQL, etc) Exposure to client-side technologies such as JavaScript and React is a plus Good understanding of algorithms, data structures and their time and space complexity Curiosity, a positive attitude, and a drive to continue learning Excellent verbal and written communication skills Nice to Have Familiarity with cloud-native distributed systems (e.g., Kubernetes). Experience with NoSQL databases and understanding of their trade-offs is great, but not required. We'll teach you NoSQL. Contributions to relevant open-source projects. Position Expectations Contribute high-quality, well-tested backend code to the data migration engine and core components of our generative AI orchestration platform Collaborate effectively with Product Management, AI researchers and machine learning engineers and designers to build and deliver on the product roadmap Work to develop robust and efficient backend services that orchestrate AI functionalities Identify and address performance bottlenecks and architectural challenges in our systems, particularly within data flow and orchestration Participate actively in code reviews to enforce best practices and patterns Help troubleshoot and resolve complex technical issues in our distributed systems. Give and solicit feedback on technical design documents and pull requests Perform tasks related to process such as CI/CD, quality, testing, etc Success Measures Within the first three months, you will have: Familiarize yourself with the MongoDB database and aggregation language. Familiarize yourself with the backend tech stack including Java, Spring Boot, and Kafka. Set up software development infrastructure (tech stack, build tools, etc) to enable development using the relevant tech stacks. Started collaborating with your peers and contributed to code reviews. Within six months, you will have: Familiarised yourself with the rest of our the application modernization tool stack Delivered at least one large scale feature that spans the entire tech stack. Reviewed and contributed to scope and technical design documents. Within 12 months, you will have: Become a key contributor to our backend stack, capable of taking on complex features independently. Helped recruit and interview new members of the team. Collaborated effectively with other teams at MongoDB on cross-functional projects. About MongoDB MongoDB is built for change, empowering our customers and our people to innovate at the speed of the market. We have redefined the data platform for the AI era, enabling builders to create, transform, and disrupt industries with software. MongoDB’s unified data platform, the most widely available, globally distributed data platform on the market, helps organizations modernize legacy workloads, embrace innovation, and unleash AI. Our cloud-native platform, MongoDB Atlas, is the only globally distributed, multi-cloud data platform and is available across AWS, Google Cloud, and Microsoft Azure. With offices worldwide and over 67,000 customers, including 75% of the Fortune 100 and AI-native startups, relying on MongoDB for their most important applications, we’re powering the next era of software. Our compass at MongoDB is our Leadership Commitment, guiding how and why we make decisions, show up for each other, and win. It’s what makes us MongoDB. To drive the personal growth and business impact of our employees, we’re committed to developing a supportive and enriching culture for everyone. From employee affinity groups, to fertility assistance and a generous parental leave policy , we value our employees’ wellbeing and want to support them along every step of their professional and personal journeys. Learn more about what it’s like to work at MongoDB , and help us make an impact on the world! MongoDB is committed to providing any necessary accommodations for individuals with disabilities within our application and interview process. To request an accommodation due to a disability, please inform your recruiter. MongoDB is an equal opportunities employer. Requisition ID 1273418213

More roles at MongoDB

Link
Software Engineer 3, Atlas Clusters Platform3 days ago
New York City
$106,000 - $209,000 USDPublic CompanyApply
Senior Software Engineer, Identity & Access Management3 days ago
New York City
$126,000 - $248,000 USDPublic CompanyApply
Software Engineer 3, Networking & Observability3 days ago$122,000 - $170,000 CADPublic Company2 openings
Senior Software Engineer4 days ago$158,000 - $220,000 CADPublic Company3 openings
Software Engineer 35 days agoN/APublic Company5 openings
Senior Engineer6 days ago
Gurugram
N/APublic CompanyApply
Senior Engineer - GTM Tech14-08-2026
Gurugram
N/APublic CompanyApply
Senior Software Engineer, Search Deployments Infrastructure 11-08-2026
San Francisco
$126,000 - $248,000 USDPublic CompanyApply
Senior Manager, Solutions Architecture (Cloud Partnerships)11-08-2026
Seattle; United States
$146,000 - $286,000 USDPublic CompanyApply
Senior Software Engineer, AI Builder Experience (ABX)11-08-2026
Gurugram
N/APublic CompanyApply
Advisory / Senior Solutions Architect11-08-2026
Seoul
N/APublic CompanyApply
Staff Engineer, Query Optimization07-08-2026
United States
$151,000 - $297,000 USDPublic CompanyApply
Solutions Architect07-08-2026N/APublic Company4 openings
Solutions Architect - French Speaking07-08-2026
Dublin, Ireland; Ireland
N/APublic CompanyApply
Staff Engineer07-08-2026N/APublic Company5 openings
Senior Solutions Architect06-08-2026N/APublic Company4 openings
Engineering Manager06-08-2026
Gurugram
N/APublic CompanyApply
Senior Software Engineer, AI Framework Integrations06-08-2026
Gurugram
N/APublic CompanyApply
Solutions Architect - Italian Speaker23-07-2026
Dublin, Ireland
N/APublic CompanyApply
Lead, Platform Engineering22-07-2026
Gurugram
N/APublic CompanyApply
Staff Site Reliability Engineer21-07-2026
Bengaluru
N/APublic CompanyApply
Senior Site Reliability Engineer21-07-2026
Gurugram
N/APublic CompanyApply
Senior Engineering Manager, Developer Productivity21-07-2026$191,000 - $265,000 CADPublic Company2 openings
Software Engineer 3, Atlas Identity and Access Management21-07-2026
New York City
$106,000 - $209,000 USDPublic CompanyApply
Software Engineer 3, Atlas Growth 216-07-2026
Dublin, Ireland
N/APublic CompanyApply
Director, Solutions Architecture16-07-2026
Bengaluru
N/APublic CompanyApply
Advisory Partner Solutions Architect14-07-2026
India
N/APublic CompanyApply
Senior Software Engineer, Query Execution14-07-2026
Ireland
N/APublic CompanyApply
Senior Software Engineer, Atlas API Experience29-06-2026
Dublin
N/APublic CompanyApply
Advisory Solutions Architect26-06-2026N/APublic Company2 openings
Site Reliability Engineer (Senior or Staff), Deployments17-06-2026$144,000 - $200,000 CADPublic Company2 openings
Senior Software Engineer, Storage Layer Services17-06-2026
New York City; United States
$126,000 - $248,000 USDPublic CompanyApply
Senior Solutions Architect (Thai Speaking)17-06-2026
Singapore
N/APublic CompanyApply
Senior Staff Engineer16-06-2026
Dublin
N/APublic CompanyApply
Senior Partner Solutions Architect15-06-2026N/APublic Company4 openings
Senior Software Engineer, Public Backup08-06-2026
New York City
$126,000 - $248,000 USDPublic CompanyApply
Senior Engineer - Business Systems (FP&A)03-06-2026
Bengaluru; Gurugram
N/APublic CompanyApply
Staff Technical Program Manager, Site Reliability Engineering28-05-2026$151,000 - $297,000 USDPublic Company2 openings
Manager, Site Reliability Engineering - Storage Layer Service26-05-2026N/APublic Company3 openings
Senior Platform Engineer22-05-2026
Gurugram
N/APublic CompanyApply
Senior Developer Advocate22-05-2026
Dublin
N/APublic CompanyApply
Staff Data Engineer20-05-2026
Gurugram
N/APublic CompanyApply
Staff Software Engineer - Query Execution13-05-2026
United States
$151,000 - $297,000 USDPublic CompanyApply
Software Engineer 3, App Analysis & Modelling06-05-2026
Sydney
N/APublic CompanyApply
Staff Engineer - Business Systems (Integrations)30-04-2026
Gurugram
N/APublic CompanyApply
Site Reliability Engineer 321-04-2026
New York City
$111,000 - $218,000 USDPublic CompanyApply
Senior Engineer - Business Systems (Integrations)20-04-2026
Gurugram
N/APublic CompanyApply
Site Reliability Engineer (Senior or Staff), Atlas17-04-2026
Austin; Boston; Chicago; Miami; New York City; Philadelphia; Pittsburgh; Raleigh; United States; Washington DC
$127,000 - $249,000 USDPublic CompanyApply
Senior Software Engineer, Server Security17-04-2026$137,000 - $189,000 CADPublic Company2 openings
Site Reliability Engineer (Senior or Staff), Storage Layer Services (SLS) 10-04-2026N/APublic Company3 openings
Site Reliability Engineering, Fabric (Mid, Senior, or Staff)08-04-2026$144,000 - $200,000 CADPublic Company2 openings
Manager, Solutions Architecture31-03-2026
Mexico City
N/APublic CompanyApply
Senior Software Engineer, Server Networking Security (Rust)27-03-2026
Cork, Ireland; Dublin, Ireland
N/APublic CompanyApply
Site Reliability Engineer (Senior or Staff), Infrastructure Security26-03-2026
Austin; New York City; San Francisco; Seattle; United States
$127,000 - $249,000 USDPublic CompanyApply
Security Software Engineer, Infrastructure Security (Staff or Senior)24-03-2026N/APublic Company2 openings
Senior Software Engineer, App Analysis & Modelling24-03-2026
Sydney
N/APublic CompanyApply
Engineering Manager, Server Networking Security (Rust)23-03-2026
Cork, Ireland; Dublin, Ireland
N/APublic CompanyApply
Staff Software Engineer, Server Networking Security (Rust)20-03-2026
Cork, Ireland; Dublin, Ireland
N/APublic CompanyApply
Senior Site Reliability Engineer, Fleet Management19-03-2026
Austin; Boston; Chicago; Denver; Miami; New York City; San Francisco; Seattle; United States
$127,000 - $249,000 USDPublic CompanyApply
Software Engineer 3, Query Execution13-03-2026
Cork, Ireland; Dublin, Ireland
N/APublic CompanyApply
Senior Software Engineer, Observability09-03-2026
Dublin
N/APublic CompanyApply
Senior Staff Engineer, AMP04-03-2026$209,000 - $290,000 CADPublic Company2 openings
Staff Engineer, AMP02-03-2026
Gurugram
N/APublic CompanyApply
Senior Staff Enterprise Architect, Data27-02-2026
Palo Alto
$177,000 - $349,000 USDPublic CompanyApply
Software Engineer 3, Atlas Search Systems27-02-2026$108,000 - $149,000 CADPublic Company2 openings
Staff Engineer, Observability27-02-2026
Dublin, Ireland
N/APublic CompanyApply
Principal Solutions Architect26-02-2026N/APublic Company3 openings
Software Engineer 217-02-2026
Dublin
N/APublic CompanyApply
Senior Software Engineer, Atlas Clusters05-02-2026
Dublin
N/APublic CompanyApply
Senior Software Engineer, Forward Deployed AI Engineer05-02-2026N/APublic Company2 openings
Software Engineer 3, Atlas Vector Search02-02-2026
San Francisco
$106,000 - $209,000 USDPublic CompanyApply
Solutions Architect, German speaker22-01-2026
Poland
N/APublic CompanyApply
Software Engineer 3, Search Systems Replication & Routing10-09-2025
San Francisco
$106,000 - $209,000 USDPublic CompanyApply

Search all engineering roles