Backend Engineer (Mid to Senior) – Java Spring Boot

Winzons; India; On-site; INR 1,800,000 - 3,000,000; Full time

Benefits offered by this job

Health insurance

Personal days

Birthday off

Charity day

Learning and development

Team outings

Job summary

APEXX is hiring a Senior Backend Engineer in Pune to design, build, and maintain backend services powering real-time payments and intelligent routing. You will work with Java Spring Boot, PostgreSQL, Redis, and AWS services, delivering secure, high-performance systems at scale.

You'll collaborate with product managers and engineers across the stack, participate in CI/CD, and contribute to DevOps practices. A strong focus on reliability and scalability will drive success in a fast-paced fintech

Qualifications

• Proven backend design and delivery experience with a focus on scalability and performance.
• Strong SQL experience with PostgreSQL and data modelling skills.
• Hands-on with AWS services (Lambda, API Gateway, ECS, S3) and serverless/event-driven patterns.
• Familiarity with CI/CD pipelines, containerisation, and IaC.
• Able to collaborate across product, design, and engineering teams.

Responsibilities

• Design, develop, and maintain backend services using Java Spring Boot to power the platform.
• Optimize real-time processing, performance, resilience, and scalability for enterprise customers.
• Implement integrations with third-party systems for secure data exchange.
• Participate in full software delivery lifecycle from requirements to production deployment.
• Provide code reviews and mentor junior engineers.

Skills

Java Spring Boot

PostgreSQL

Redis

AWS Lambda

AWS services

CI/CD pipelines

Containerisation

Education

Bachelor’s Degree in Computer Science or related field

Job description

Company Name: APEXX

Job Role: Senior Backend Engineer

Work Type: Full-Time

Experience: 3-5 Years

Qualification: Bachelor’s Degree in Computer Science or related field preferred

Location: Pune

Description :

Overview :

APEXX is pioneering payment orchestration, transforming the global payments landscape with cutting-edge technology and innovation.

As a leader in Fintech, we're committed to excellence, driving forward-thinking solutions that empower businesses worldwide.

Are you passionate about building scalable, resilient systems in the fast-moving world of FinTech

Were looking for a Senior Backend Engineer to join our growing technology team.

Youll play a key role in designing and building backend services that power our core platform enabling real-time transactions, intelligent routing, and seamless third-party integrations with partners across the financial ecosystem.

Youll work with a modern tech stack including Java Spring Boot, PostgreSQL, Redis, AWS Lambda, and a wide range of AWS services and collaborate closely with engineers, product managers, and stakeholders to deliver reliable, high-performance systems.

If you thrive in a collaborative, fast-paced environment and enjoy solving complex engineering challenges, this could be a great fit.

What You’ll Be Doing :

• Design, develop, and maintain backend services (utilising Java Spring Boot), contributing to the evolution of our platform and system architecture.
• Optimise backend systems for real-time processing, performance, resilience, and scalability to meet the demands of a growing, enterprise customer base.
• Implement integrations with third-party systems, ensuring secure and reliable data exchange across environments.
• Participate in the full software delivery lifecycle from requirements gathering to production deployment and ongoing support.
• Troubleshoot production issues and contribute to a culture of operational excellence and continuous improvement.
• Collaborate closely with product managers, designers, and fellow engineers to ensure technical solutions align with business objectives.
• Provide high-quality code reviews and mentor junior engineers where appropriate.
• Contribute to infrastructure and DevOps best practices, including CI/CD pipelines and containerised deployments.

About You :

• Proven experience designing and delivering robust backend systems, with a strong focus on scalability, maintainability, and performance.
• Deep understanding of relational databases, including hands-on experience with PostgreSQL, and confidence in writing optimised SQL.
• Practical experience with AWS services, such as Lambda, API Gateway, ECS, and S3, and an appreciation of serverless and event-driven architectures.
• Familiarity with DevOps practices, including CI/CD pipelines, containerisation, and infrastructure-as-code.
• Strong problem-solving skills and a structured, delivery-oriented mindset.
• Comfortable working cross-functionally in fast-paced Agile environments, with clear communication and a collaborative approach.
• Passionate about clean code, continuous learning, and building systems that are resilient and easy to operate at scale.

NICE TO HAVE :

• Experience working in a FinTech or start-up environment.
• Exposure to observability tools
• Familiarity with security and authentication patterns (OAuth, SAML, etc.

Benefits :

• Health: Insurance (Employee, spouse, and two children) optional cover for parents or in laws.
• 15 personal days per year + Festival holidays.
• You can also take your birthday off as paid leave, and we offer a paid day off for any charity work you want to participate in.
• Enrichment: Learning and development training, to strengthen your career and progression, leadership in house training and monthly lunch and learn.
• Social: Monthly team outings & incentives.
• Some of our recent ones include- Hackathon, Lunch and Learns and team building games