Unfolding Your Next Role
Our client is an international financial technology company building solutions that support transaction communication, balances visibility, reporting, and integrations across multiple banking systems.
We are looking for a Backend Tech Lead to join a strategic rewrite of a core platform module. The role combines technical leadership with hands-on backend development, helping redesign a legacy component into a modern, scalable architecture.
You will work closely with product stakeholders, platform engineers, and frontend teams to design and implement reliable, high-performance backend services that integrate multiple enterprise systems.
Tech & Tool Stack
Java
ReactJS
TypeScript
PostgreSQL
Docker
Kubernetes
Your Daily Missions
- Lead the design and development of backend services for a core platform rewrite.
- Design scalable services responsible for transactions, balances, statements, and reporting data.
- Define API contracts and integration patterns between backend services, frontend applications, and external enterprise systems.
- Make key decisions around data modeling, search/indexing strategies, and performance optimization for million-row datasets with complex filtering, sorting, and pagination.
- Support frontend teams by ensuring API-first design and smooth integration with React applications.
- Ensure engineering quality through code reviews, architecture discussions, and mentoring other developers.
- Collaborate closely with product, frontend, and platform teams to deliver robust, production-ready systems.
The Essentials We’re Seeking
- 7+ years of experience in backend or fullstack software development.
- Strong expertise in Java and Spring Boot, including designing modular backend services and REST APIs.
- Experience acting as a Tech Lead or technical owner responsible for architectural decisions.
- Solid experience designing scalable APIs and distributed systems.
- Strong understanding of data modeling in relational databases (e.g., PostgreSQL) and designing efficient query patterns.
- Practical experience with Elasticsearch (or similar search/indexing technologies) for filtering, search, and aggregation over large datasets.
- Experience designing hybrid data architectures combining multiple data sources.
- Experience working with external system integrations, including REST or GraphQL APIs.
- Familiarity with containerized environments (Docker, Kubernetes) and modern CI/CD pipelines.
- Understanding of security patterns in enterprise systems (OAuth2, OIDC, authentication and authorization flows).
- Working knowledge of React and TypeScript, enabling effective collaboration with frontend teams.
- Proven ability to break down complex architectural changes into manageable development phases.
- Experience using AI-assisted development tools (e.g., Cursor, Claude Code, or similar agentic coding tools) and openness to experimenting with AI-driven approaches to improve development efficiency and engineering workflows.
- Ability to combine hands-on engineering with technical leadership and mentoring.
Nice-to-haves
- Experience in FinTech, banking, or enterprise integration platforms.
- Experience with large-scale transactional or reporting systems.
- Experience with GraphQL integrations.
- Experience with data migration or legacy system modernization.
- Experience designing API-first platforms.
- Familiarity with observability practices (logging, metrics, tracing).
- Understanding of database partitioning and query optimization patterns.
Our
Benefits
At CSHARK, it’s not about trendy perks or the latest gaming console in the lounge. Based on feedback from our team, what truly counts is an environment conducive to focused work, structured processes, and continuous skill development. We prioritize what genuinely enriches the daily work experience, ensuring that every moment spent with us is both productive and fulfilling.
100% remote work
Harness the power of technology with our remote-first approach. Work from the comfort of your space while staying connected and collaborative.
Flexible hours
Find your rhythm with hours that align to your lifestyle. We understand that productivity isn’t confined to the typical 9-to-5.
International projects
Engage in projects that transcend borders. Experience the thrill of working with diverse teams and clients from different parts of the world.Navigate the global tech landscape with ease. Enhance your communication skills with our tailored Business English sessions.
Business english lessons
Navigate the global tech landscape with ease. Enhance your communication skills with our tailored Business English sessions.
Participation in charity actions
Connect with the community and contribute to causes that matter. Join us in various charity initiatives and be a part of change that extends beyond business.
In-house technology workshops
Stay at the forefront of technology. Dive deep into topics, refine your skills, and learn from peers through our regular tech workshops.
100% remote work
Harness the power of technology with our remote-first approach. Work from the comfort of your space while staying connected and collaborative.
Flexible hours
Find your rhythm with hours that align to your lifestyle. We understand that productivity isn’t confined to the typical 9-to-5.
International projects
Engage in projects that transcend borders. Experience the thrill of working with diverse teams and clients from different parts of the world.Navigate the global tech landscape with ease. Enhance your communication skills with our tailored Business English sessions.
Business english lessons
Navigate the global tech landscape with ease. Enhance your communication skills with our tailored Business English sessions.
Participation in charity actions
Connect with the community and contribute to causes that matter. Join us in various charity initiatives and be a part of change that extends beyond business.
In-house technology workshops
Stay at the forefront of technology. Dive deep into topics, refine your skills, and learn from peers through our regular tech workshops.
Recruitment process
Chat with Our Recruiter
Kick off your CSHARK adventure with an initial interview. This is a great opportunity for us to get to know each other better and for you to ask any preliminary questions.
Show Your skills
Depending on the role, you’ll either engage in a technical interview or take on a specific task. This stage allows us to understand your expertise and offers you a glimpse into the challenges you might tackle at CSHARK
Meet the Team
This is where the magic happens. Engage with a potential supervisor, your future team, or even a client. It’s a deep dive into your prospective role and a chance to grasp the collaborative spirit of CSHARK.
Crafting Your Offer
Once we recognize the mutual fit, we’ll discuss the specifics of your offer. We believe in crafting a package that respects your skills, experience, and aspirations.
Onboarding Preparation
Once you’re set to join us, our team crafts a tailored onboarding plan. This includes setting up your tools and accounts, scheduling introductions to key team members, and organizing orientation sessions to make your integration seamless and efficient.
Chat with Our Recruiter
Kick off your CSHARK adventure with an initial interview. This is a great opportunity for us to get to know each other better and for you to ask any preliminary questions.
Show Your skills
Depending on the role, you’ll either engage in a technical interview or take on a specific task. This stage allows us to understand your expertise and offers you a glimpse into the challenges you might tackle at CSHARK
Meet the Team
This is where the magic happens. Engage with a potential supervisor, your future team, or even a client. It’s a deep dive into your prospective role and a chance to grasp the collaborative spirit of CSHARK.
Crafting Your Offer
Once we recognize the mutual fit, we’ll discuss the specifics of your offer. We believe in crafting a package that respects your skills, experience, and aspirations.
Onboarding Preparation
Once you’re set to join us, our team crafts a tailored onboarding plan. This includes setting up your tools and accounts, scheduling introductions to key team members, and organizing orientation sessions to make your integration seamless and efficient.
Chat with Our Recruiter
Kick off your CSHARK adventure with an initial interview. This is a great opportunity for us to get to know each other better and for you to ask any preliminary questions.
Show Your skills
Depending on the role, you’ll either engage in a technical interview or take on a specific task. This stage allows us to understand your expertise and offers you a glimpse into the challenges you might tackle at CSHARK
Meet the Team
This is where the magic happens. Engage with a potential supervisor, your future team, or even a client. It’s a deep dive into your prospective role and a chance to grasp the collaborative spirit of CSHARK.
Crafting Your Offer
Once we recognize the mutual fit, we’ll discuss the specifics of your offer. We believe in crafting a package that respects your skills, experience, and aspirations.
Onboarding Preparation
Once you’re set to join us, our team crafts a tailored onboarding plan. This includes setting up your tools and accounts, scheduling introductions to key team members, and organizing orientation sessions to make your integration seamless and efficient.
Explore the Heartbeat of CSHARK
Discover the essence of our guilds’ expertise, advanced tools and tech stack, and our real-world successes. Delve into impactful case studies and hear genuine insights from our team
Get to Know How We Work