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Senior Backend Developer

GFT Poland·Salary not specified

Primary stack

DockerAgileKubernetesMicroservicesCI/CDSpring BootGitAPIJavaSQL

Nice to have's

cloud platformsmodern API architecturesmobile-first platformsdigital banking applications

Job description

Senior Backend Developer

About GFT

GFT Technologies is driving the digital transformation of the world’s leading financial institutions. With its in-depth technological expertise, strong partnerships, and scalable IT solutions, GFT increases productivity in software development. This provides clients with faster access to new IT applications and innovative business models, while also reducing risk.

We’ve been a pioneer of near-shore delivery since 2001 and now offer an international team spanning 16 countries with a global workforce of over 9,000 people worldwide. GFT is recognized by industry analysts such as Everest Group as a leader amongst global mid-sized Service Integrators and ranked in the Top 20 leading global Service Integrators in exponential technologies such as Open Banking, Blockchain, Digital Banking, and App Services.

Role Summary

We are looking for experienced and forward-thinking Senior Backend Engineer to lead the design and development of backend services for large-scale digital banking and financial platforms. The role requires strong expertise in system architecture and design, microservices backend engineering, and understanding of banking/financial service domains, along with the ability to lead engineering teams and communicate confidently with client stakeholders to deliver scalable, secure, and high-quality backend solutions.

Key Responsibilities

Backend Architecture & Development

  • Design and develop backend services using Java and modern backend frameworks (e.g., Spring Boot).
  • Define and implement microservices-based architecture and API-driven systems.
  • Ensure backend services are scalable, secure, resilient, and maintainable.
  • Drive best practices in backend development, including maintainable system design, automated testing, code quality, API governance, performance optimization, and documentation.
  • Work closely with DevOps teams to support CI/CD pipelines, incorporate intelligent automation, and ensure stable, secure deployment environments.
  • Integrate AI-assisted development practices into coding, testing, documentation, code reviews, and defect prevention workflows.

Banking & Payment Domain

  • Design backend systems supporting banking products and financial transaction processing.
  • Build and maintain services related to payments, card processing, financial operations, and core banking functions.
  • Ensure backend implementations comply with financial industry standards and security requirements.
  • Collaborate with business and product teams to translate banking and financial requirements into technical solutions.

Client Collaboration & Delivery

  • Work directly with client stakeholders, architects, and product owners to understand business processes, requirements, and define technical solutions.
  • Challenge and clarify requirements with curiosity, dig deep into the "why" behind business needs.
  • Participate in architecture discussions and technical workshops with client teams.
  • Communicate technical designs, trade-offs, and solutions clearly to both engineering teams and non-technical stakeholders.
  • Support project delivery by ensuring technical risks are identified and mitigated early.

Requirements

Technical Qualifications

  • Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.
  • 8+ years of backend development experience.
  • Strong experience with Java and backend frameworks (e.g., Spring Boot).
  • Experience designing and implementing microservices, API-driven systems, event-driven architectures, or messaging systems (e.g., Kafka), RDBMS, and SQL.
  • Solid experience working with containerization (Docker, Kubernetes).
  • Strong understanding of CI/CD, version control (Git), and automated pipelines.
  • Experience working in Agile delivery environments.
  • Excellent leadership, communication, and stakeholder management skills.

Specific Qualifications

  • Experience working in banking, fintech, or financial services environments.
  • Familiarity with core banking, card, payment systems, or related financial systems.
  • Knowledge of industry standards (e.g., PCI-DSS) or payment security practices.
  • Hands-on exposure to AI-assisted development tools (GitHub Copilot, Claude Code, or similar).
  • Ability to write effective prompts and context for AI code generation.
  • Ability to assess AI-generated code, verify security vulnerabilities, validate AI-generated tests for completeness and edge case coverage.

Nice-to-Have

  • Exposure to cloud platforms (AWS, Azure, or GCP).
  • Familiarity with modern API architectures such as GraphQL or BFF patterns.
  • Experience working with mobile-first platforms or digital banking applications.

We Offer

  • Opportunity to work with some of the brightest people in business and technology on challenging and rewarding projects.
  • Collaborative and inclusive work environment.
  • Professional growth and development opportunities.

Locations

  • Ho Chi Minh City, VN, 700000
  • Hanoi, VN, 10000

Work Location Type

  • Hybrid

About Us

We show commitment to our investors and stand for solid, long-term growth performance. Founded in Germany in 1987 and in American territory since 2008, GFT expanded globally to over 10,000 experts. And to more than 15 markets to ensure proximity to clients. With new opportunities from Asia to Brazil, the international growth story continues. We are committed to growing tech talents worldwide. Because our team’s strong consulting and development skills across legacy and pioneering technologies, like GreenCoding, underpin success. We maintain a family atmosphere in an inclusive work environment.

There is room for your talent!

Put your talent to work. At GFT, you'll be working with some of the brightest people in business and technology on challenging and rewarding projects in a team of like-minded individuals. Feel it. We are #one team collaboratively working towards the same goal.

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© GFT Poland. This job description was sourced from the employer's public career page. TheJob is not the employer — we index the posting and route candidates to the source. All content rights and hiring decisions belong to the employer.

The GFT Group is a global technology partner for future digital issues — from discovering innovation to developing and implementing sustainable business models. Within Group, GFT Poland (previously Rule Financial) is the provider of IT solutions to the global investment banking community.We work for 9 of 10 top investment banks of Wall Street and City of London.As part of GFT Group, we employ more than 3000 people in 11 countries, including 2 Polish offices located in Lodz and Poznan, where we employ 600 people.We offer challenging work in complex IT projects, using high frequency trading and best practices to deliver high quality software.We offer an opportunity to work in IT international projects for software developers and testers, application support engineers, project managers and business analysts. We are working with various technologies like Java, .NET, JavaScript, TDD, Oracle, ETL, Informatica and many more.

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