Sr. Software Engineer- PHP at JetSynthesys Pvt. Ltd. · Remote only · 7 - 10 years · ₹12L - ₹20L / yr · Bootstrapped · Remote only · Posted 26 Mar 2022

Responsibilities:
- Design the architecture of new services to deliver timely communication from server to client and server to server, while still functioning alongside existing server components
- Describe and implement the communications across multiple network layers, considering performance, reliability, and flexibility with respect to the underlying infrastructure
- Enhance and expand the ORM layer of MZ’s in house web framework
- Craft software solutions for supporting flexibility in resource allocation, from compute to storage
- Serve as a technical leader for projects of year-long scope involving multiple contributors and customers
- Consult with technical operations on appropriate Kubernetes-based infrastructure design
- Design for performance, and measure the effects
- Review your colleagues’ code, and learn from their reviews as well
- Identify, document, and communicate best practices for the engineers who use the fruits of your labor
Requirements:
- 7+ years professional work experience
- BS or MS degree in Computer Science or a related technical field
- Must be proactive, self-directed, detailed and organized
- Proficient in PHP, C++, or Go
- Knowledge of relational databases and SQL, preferably MySQL
- Experience with in-memory NoSQL databases, such as Redis
- Ability to debug issues within custom code quickly
- Passion for developing scalable and maintainable software systems
Bonus Points:
- An open-minded and technology-agnostic approach to engineering
- Passion for performance debugging and benchmarking
- Real world experience developing distributed systems

About JetSynthesys Pvt. Ltd.
About
Connect with the team
Similar jobs (10)
🚀 Job Title : Backend Engineer (Go / Python / Java)
Experience : 3+ Years
Location : Bangalore (Client Location – Work From Office)
Notice Period : Immediate to 15 Days
Open Positions : 4
Working Days : 6 Days a Week
🧠 Job Summary :
We are looking for a highly skilled Backend Engineer to build scalable, reliable, and high-performance systems in a fast-paced product environment.
You will own large features end-to-end — from design and development to deployment and monitoring — while collaborating closely with product, frontend, and infrastructure teams.
This role requires strong backend fundamentals, distributed systems exposure, and a mindset of operational ownership.
⭐ Mandatory Skills :
Strong backend development experience in Go / Python (FastAPI) / Java (Spring Boot) with hands-on expertise in Microservices, REST APIs, PostgreSQL, Redis, Kafka/SQS, AWS/GCP, Docker, Kubernetes, CI/CD, and strong DSA & System Design fundamentals.
🔧 Key Responsibilities :
- Design, develop, test, and deploy backend services end-to-end.
- Build scalable, modular, and production-grade microservices.
- Develop and maintain RESTful APIs.
- Architect reliable distributed systems with performance and fault tolerance in mind.
- Debug complex cross-system production issues.
- Implement secure development practices (authentication, authorization, data integrity).
- Work with monitoring dashboards, alerts, and performance metrics.
- Participate in code reviews and enforce engineering best practices.
- Contribute to CI/CD pipelines and release processes.
- Collaborate with product, frontend, and DevOps teams.
✅ Required Skills :
- Strong proficiency in Go OR Python (FastAPI) OR Java (Spring Boot).
- Hands-on experience building Microservices-based architectures.
- Strong understanding of REST APIs & distributed systems.
- Experience with PostgreSQL and Redis.
- Exposure to Kafka / SQS or other messaging systems.
- Hands-on experience with AWS or GCP.
- Experience with Docker and Kubernetes.
- Familiarity with CI/CD pipelines.
- Strong knowledge of Data Structures & System Design.
- Ability to independently own features and solve ambiguous engineering problems.
⭐ Preferred Background :
- Experience in product-based companies.
- Exposure to high-throughput or event-driven systems.
- Strong focus on code quality, observability, and reliability.
- Comfortable working in high-growth, fast-paced environments.
🧑💻 Interview Process :
- 1 Internal Screening Round
- HR Discussion (Project & Communication Evaluation)
- 3 Technical Rounds with Client
This is a fresh requirement, and interviews will be scheduled immediately.

Mandatory:
- The candidates should be from Capital Market domain
- The candidates should be from B.Tech background
Required Skills:
- 12–18 years in the tech industry, with 2–4 years in technical leadership or managerial roles.
- Technical Expertise: Expertise in C++ development, enterprise architecture, and scalable system design, and proficiency in performance optimization, scalability, software architecture, and networking principles. Extensive experience managing the full development lifecycle of large-scale software products, from concept to deployment.
- Strong knowledge of STL containers, multi-threading concepts, and algorithms. Solid understanding of memory management and efficient resource utilization.
- Microservices Architecture Expertise: Experience in designing and implementing scalable, reliable microservices.
- Strong Communication & Decision-Making Skills: Ability to clearly articulate trade-offs, make informed decisions, and ensure alignment across stakeholders.
- Commitment to Creating and fostering Engineering Excellence: Deep understanding of best practices, including code quality, testability, security, and release management, and passion for fostering a strong engineering culture and continuously improving developer workflows and tools.
- Self-Driven and Motivated: Ability to operate independently while driving impactful results.
Key responsibilities:
- Technical Expertise:
○ C++ coding and debugging to strengthen and optimize systems.
○ Design and architecture (HLD/LLD) to ensure scalable and robust solutions.
○ Implementing and enhancing DevOps, Agile, and CI/CD pipelines to
improve development workflows.
○ Managing escalations and ensuring high-quality customer outcomes.
- Architecture & Design:
○ Define and refine the architectural vision and technical roadmap for enterprise
software solutions.
○ Design scalable, maintainable, and secure systems in line with business goals.
○ Collaborate with stakeholders to translate requirements into technical
solutions.
○ Driving engineering initiatives to foster innovation, efficiency, and excellence.
- Project Management:
○ Oversee project timelines, deliverables, and quality assurance processes.
○ Coordinate cross-functional teams to ensure seamless integration of systems.
○ Identify risks and proactively implement mitigation strategies.
- Technical Leadership:
○ Lead and mentor a team of engineers, fostering a collaborative and high- performance culture.
○ Provide technical direction and guidance on complex software engineering challenges
○ Drive code quality, best practices, and standards across the engineering team.
Job Title: Team Lead / PHP Architect
Experience: 8–10 Years
Location: Andheri, Mumbai
Working Days: Mon ~ Fri
Employment Type: 6-Month Contract (Extendable)
Notice Period: Immediate Joiners Preferred
About the Role
We are seeking a highly capable Team Lead / PHP Architect to drive end-to-end software architecture, technical strategy, and project execution. In this role, you will act as the technical anchor for our development team, ensuring robust system design and high-quality code delivery. You will work closely with business stakeholders to translate complex functional requirements into scalable technical solutions while actively mentoring engineers and unblocking technical bottlenecks.
Core Responsibilities
- System Architecture & Design: Conceptualise, design, and implement scalable, enterprise-grade architectures for complex PHP applications, ensuring high performance, security, and future readiness.
- Engineering Leadership & Delivery: Manage day-to-day development operations, oversee task allocation, define delivery milestones, and ensure features are shipped on time without compromising quality.
- Quality Assurance & Code Standards: Institutionalise engineering best practices. Conduct rigorous peer code reviews, optimise application performance, and systematically reduce technical debt.
- Stakeholder Engagement: Act as the primary technical liaison for key business stakeholders and clients, effectively communicating technical roadmaps and project statuses to non-technical audiences.
- Mentorship & Team Development: Cultivate a culture of technical excellence. Mentor junior and mid-level developers, resolve complex technical roadblocks, and elevate the team’s overall engineering capabilities.
Qualifications & Technical Profile
- Experience: 8–10 years of progressive software engineering experience, with a proven track record in application architecture and team leadership.
- Core Technical Skills: Deep expertise in modern PHP frameworks (e.g., Laravel, Symfony) and advanced proficiency in database modelling (SQL/NoSQL).
- System Design: Strong understanding of modular design, microservices architectures, RESTful API design, and third-party integrations.
- Leadership Capabilities: Demonstrated ability to lead technical teams, manage sprints, and drive engineering deliverables to successful, on-time completion.
- Communication: Exceptional verbal and written communication skills, with the confidence to lead client-facing meetings and stakeholder presentations.
- Availability: Must be available to join immediately and work full-time from our Andheri, Mumbai office.
What We Offer
- High-impact role with the autonomy to shape technical architecture.
- Opportunity for contract extension based on performance and project needs.
- Dynamic, fast-paced on-site work environment.

Core Responsibilities:
- Design & Development: Architect and implement scalable backend services and APIs using Python or Golang, ensuring high performance, resilience, and extensibility.
- System Ownership: Take end-to-end ownership of critical modules, from design and development to deployment and support.
- Technical Leadership: Conduct design and code reviews, enforce best practices, and mentor junior engineers to raise the team’s technical bar.
- Collaboration: Work closely with product managers, architects, and other engineers to translate business requirements into technical solutions.
- Performance & Reliability: Troubleshoot complex issues in production systems, identify root causes, and design sustainable long-term solutions.
- Innovation: Evaluate new technologies, contribute to proof-of-concepts, and recommend tools that can improve developer productivity.
- Process Improvement: Drive initiatives to improve coding standards, CI/CD pipelines, and automated testing practices.
- Knowledge Sharing: Document designs, create technical guides, and share insights with the broader engineering team.
Experience and Expertise:
- 4–7 years of backend development experience with Python or Golang.
- Strong expertise in designing, developing, and scaling microservices and distributed systems.
- Solid understanding of concurrency, multi-threading, and performance optimization.
- Proficiency with databases (SQL/NoSQL), caching systems (Redis, Memcached), and messaging systems (Kafka, RabbitMQ, etc.).
- Hands-on experience with Linux development, Docker, and Kubernetes.
- Familiarity with cloud platforms (AWS/GCP/Azure) and related services.
- Strong debugging, profiling, and optimization skills for production-grade systems.
- Experience with AI-powered development tools is a strong plus; familiarity with concepts like 'agentic coding' for workflow automation or 'context engineering' for leveraging LLMs in system design is highly desirable.
Skills:
- Strong problem-solving ability, with experience handling complex technical challenges.
- Ability to lead technical initiatives and mentor junior engineers.
- Excellent communication skills to collaborate with cross-functional teams and articulate trade-offs.
- Self-motivated, proactive, and able to operate independently while aligning with team goals.
- Passionate about engineering culture, quality, and developer productivity.
Job Title : Software Development Engineer II (SDE 2) – Java or Golang (Backend)
Experience : 3+ Years
Location : Bengaluru
Working Days : 5 Days WFO
Notice Period : Immediate to 15 Days
Interview Process : 3 Client Rounds
Job Overview :
We are looking for an SDE 2 – Backend with strong hands-on experience in Java / Spring Boot or Golang to design, develop, and maintain scalable, high-performance backend applications. Candidates with experience in caching services will be highly preferred.
Mandatory Skills :
Java, Spring Boot, Golang, Gin, gRPC, REST APIs, Microservices, MySQL / PostgreSQL / Oracle, System Design, Caching, Data Structures & Algorithms, Git, CI/CD, Docker, Kubernetes, AWS / GCP.
Key Responsibilities :
- Design, develop, test, and deploy scalable backend applications and APIs.
- Develop microservices using Java / Spring Boot or Golang.
- For Golang roles, experience with Gin and gRPC is preferred.
- Work with MySQL, PostgreSQL, Oracle, or similar databases.
- Design and optimize caching solutions for application performance.
- Participate in system design and architecture discussions.
- Conduct code reviews and write unit/integration tests.
- Troubleshoot bugs and performance issues.
- Collaborate with Product, QA, and other engineering teams.
- Contribute to CI/CD, cloud, and DevOps practices.
Requirements :
- 3 to 5 years of backend development experience.
- Strong proficiency in Java / Spring / Spring Boot or Golang.
- Good understanding of REST APIs, Microservices, DSA, and System Design.
- Experience with relational databases.
- Strong debugging and problem-solving skills.
- Exposure to AWS/GCP, Docker, Kubernetes, Git, and CI/CD.
- Java candidates with end-to-end application design experience are preferred.
- Exposure to AI/ML tools or Low-Code/No-Code frameworks is a plus.
Interview Process :
Round 1 – LeetCode / Coding Round
- Data Structures & Algorithms
- Problem-solving and coding proficiency
Round 2 – System Design
- System architecture
- Scalability and performance
- API and database design
- Caching and distributed systems
Round 3 – Hiring Manager Round
- Technical depth
- Project and ownership experience
- Problem-solving approach
- Communication and collaboration
- Role and culture fit
🚀Job Title : Senior Backend Engineer (Java / Golang) SDE 3
Experience : 5 to 12 Years
Positions : 4
Employment Type : C2H (Contract to Hire)
Contract Duration : 3 Months
Location : Remote during contract → Pune after conversion
Work Mode After Conversion : 5 Days WFO
Notice Period : Immediate / Serving Notice / Up to 15 Days preferred
Mandatory Skills : Golang (1+ year mandatory), 5+ years Backend Development, System Design, Distributed Systems, Microservices, REST / GraphQL APIs, Event-Driven Architecture, SQL & NoSQL Databases, AWS / GCP / Azure, Strong Problem-Solving & Communication Skills.
About the Role :
We are looking for an experienced Backend Engineer / SDE 3 with strong expertise in Java / Golang to design and build scalable, secure, and high-performance backend services and APIs.
The role involves hands-on coding, system design, microservices, distributed systems, and collaboration with engineering and infrastructure teams.
Must-Have Skills :
- 5+ years of backend development experience.
- Strong hands-on experience with Golang.
- Minimum 1+ year of Golang experience is mandatory.
- Strong understanding of System Design & Distributed Systems.
- Experience with REST / GraphQL APIs.
- Experience with Microservices and Event-Driven Architecture.
- Experience with Event Queues / Asynchronous Processing.
- Strong knowledge of Relational and NoSQL databases.
- Familiarity with AWS, GCP, or Azure.
- Strong communication and problem-solving skills.
Important Note for Java Candidates :
Java candidates can be considered only if they have at least 1+ year of hands-on Golang experience and are willing to work in Golang.
Candidates with less than 1 year of Golang experience will not be considered.
Good to Have :
- Experience in Fintech / Payments / Transaction-heavy systems
- Docker & Kubernetes
- Datadog / Prometheus / Grafana
- CI/CD experience
- Exposure to Java or Ruby
Key Responsibilities :
- Design, develop, and maintain scalable backend services using Golang.
- Build reliable, secure, and high-performance microservices and APIs.
- Implement event-driven and asynchronous processing systems.
- Work on system architecture, scalability, performance, and reliability.
- Participate in system design, code reviews, and technical discussions.
- Collaborate with mobile, web, and infrastructure teams.
- Develop unit, integration, and performance tests.
- Contribute to CI/CD, observability, documentation, and engineering best practices.
Interview Process :
Round 1 : Take-Home Coding Assessment – Submission within 48 hours
Round 2 : Code Pairing – Problem Extension
Round 3 : Culture Fitment
Location : Mumbai
Big Picture (The Opportunity) :
Are you looking for an opportunity to advance your Career? & If you are able to maintain a positive attitude even when everything goes wrong, if you are detail oriented and self motivated with a passion to learn and improve your skills and knowledge, we have a perfect job for you !
What do we want from you ? (Our Expectations) :
- Zero to 2 years experience in Linux Operating System.
- Flexible working hours - able to support occasional nights, weekends, and call-ins, able to quickly adapt to a constantly changing faced paced environment. Open to travel to sites.
- An ideal person who is excited and motivated about running and supporting a production - grade critical infrastructure and looks for opportunities to improve processes with automation.
What are you required to do ? (Your Responsibilities) :
- Proactively maintain and develop all linux infrastructure technology to maintain a 24*7*365 uptime service.
- Engineering of systems administration-related various solutions for our various SAAS products and projects as well as operational needs.
- Proactively monitoring system performance and capacity planning.
- Providing technical support to customers for Applications, Operating systems, and networking.
- Will also be the first point of contact for our clients, where installations are placed on a permanent basis, for basic troubleshooting and problem solving.
- Fault finding, analysis and logging information for reporting of performance exceptions.
- Maintain best practices on managing systems and services across all environments.
Skills & Qualification Required (Add Value) :
- Graduate - Preferred to have Bachelor‘s Degree in Engineering, Computer Science or related field.
- He / She should be familiar with the installation and configuration of Linux operating systems and setup and operation of TCP/IP networking on Linux systems also familiar with Internet concepts including SMTP, IMAP, POP, HTTP, DNS, LDAP and related protocols.
- You should possess excellent communication skills .
- Knowledge of Email concepts, Helpdesk Concept , VoIP Concept , Cloud computing will be an added advantage.
The recruiter has not been active on this job recently. You may apply but please expect a delayed response.
We are seeking an experienced, hands-on Backend Team Lead to architect and deliver robust, scalable systems while mentoring a team of developers. The ideal candidate will bridge strategic technical vision with practical execution, ensuring high-quality solutions aligned closely with business objectives and technology best practices.
Responsibilities:
● Architect, design and deliver mission-critical modules end-to-end
● Write production-grade code daily; lead reviews, debugging, refactoring
● Embed TDD, CI/CD, design principles, and engineering best practices
● Develop high-performance, scalable backend systems that power global products
● Partner with Team Lead, PMs, QA, and product designers to define and execute features
Criteria:
● 6+ years of backend development experience; 2+ years in technical leadership
● Experience in leading a team of atleast 3-4 engineers
Preferred Skills:
● Extensive experience with Laravel, Node.js, Python, MySQL, MongoDB
● Passionate about writing clean, testable, modular code using design patterns
● Solid understanding and experience with cloud infrastructure, preferably AWS (ECS, Aurora, Lambda, S3, CloudFront etc), including scaling, and security best practices.
● Demonstrated expertise in building and maintaining systems using a microservices architecture, with an emphasis on scalability, reliability, and maintainability.
● Familiarity and practical experience with asynchronous communication between microservices using tools like Kafka etc, event-driven architectures, and messaging patterns at scale.
● Proven capability in designing inter-service communication protocols to optimize system performance, resilience, and latency under heavy loads.
● Startup exposure—comfortable with ambiguity, learning quickly, pivoting often
● Excellent communicator, collaborator, and mentor
What we offer:
● An exceptional team: Our hiring bar is high and your colleagues are talented, motivated self-starters.
● A learning environment: We are a learning organization and as a team we will help you grow and encourage you to learn and upgrade your skills.
● Outstanding compensation: top talent deserves top pay and our salary, equity and benefits reflect this.
● Opportunities to grow: Encourages you to attend technical conferences and take company funded educational courses to advance your skills.
● An opportunity to be a key member of a well-capitalized leading brand in online real estate investing platform.
The recruiter has not been active on this job recently. You may apply but please expect a delayed response.
Strong Tech Lead / Staff Engineer / Lead Engineer Profiles
2
Mandatory (Experience 1) - Must have minimum 6+ years of overall Software Engineering/Development experience building production backend systems.
3
Mandatory (Experience 2) - Must have Tech Lead ownership, with experience setting technical direction, architecture, frameworks, or engineering standards used by other engineers.
4
Mandatory (Experience 3) - Must have strong hands-on Backend development experience with deep proficiency in at least one backend programming language. (Python, Java, Golang etc)
5
Mandatory (Experience 4) - Must have strong System design/distributed systems experience, including architectural trade-offs, scalability, failure modes, reliability, and long-term maintainability.
6
Mandatory (Experience 5) - Must have experience designing and building APIs, backend services, and external/enterprise integrations, including ownership of complex business logic and production systems.
7
Mandatory (Experience 6) - Must have formal technical leadership experience, including mentoring Senior Engineers, conducting design/code reviews, driving engineering quality, and leading technical decisions across a team.
8
Mandatory (Experience 7) - Must be a hands-on IC + Tech Lead, with approximately 70–80% hands-on coding/engineering involvement, not a pure people-management profile.
9
Mandatory (Company) - Product Companies / Startups / B2B SaaS
10
Mandatory (Education) - CS degree or equivalent (B.Tech/B.E./B.S.)
11
Preferred (Skills) - Experience with Kafka/NATS/RabbitMQ, AWS, Docker/Kubernetes, CI/CD, observability, security/compliance, multi-tenant systems, and financial/billing platforms.
Key Responsibilities
● Lead the architecture, design, development, and delivery of scalable backend services
using Python.
● Own technical direction and architectural decisions for backend systems and services.
● Design and build robust RESTful APIs, microservices, and distributed systems
capable of handling high-scale workloads.
● Design and implement real-time communication systems, including WebSocket-based
services, where required.
● Drive system performance, scalability, reliability, availability, and security.
● Lead performance optimization, capacity planning, monitoring, debugging, and
production issue resolution.
● Establish and promote best practices around code quality, testing, observability, CI/CD,
and production readiness.
● Collaborate closely with frontend, product, DevOps, infrastructure, and other
cross-functional teams to deliver end-to-end solutions.
● Mentor and provide technical guidance to engineers, contributing to overall team growth
and engineering excellence.
● Review code and architecture designs, identify technical risks, and drive improvements
across backend systems.
● Take ownership of complex technical problems and deliver reliable, maintainable,
production-grade solutions.
Required Skills & Qualifications
● 5+ years of software engineering experience, with significant experience in backend
development.
● Strong expertise in Python and experience building production-grade backend
applications.
● Proven experience designing and developing REST APIs and microservices
architectures.
● Strong understanding of distributed systems, scalability, fault tolerance, and
high-availability architectures.
● Hands-on experience with WebSockets and real-time backend integrations.
● Strong experience with SQL/NoSQL databases, caching systems, and data-intensive
applications.
● Experience with performance optimization, monitoring, logging, debugging, and
production operations.
● Strong understanding of software engineering principles, design patterns, and clean
architecture.
● Proven ability to lead technical initiatives and make sound architectural decisions.
● Strong communication, collaboration, and technical leadership skills.
● Experience mentoring engineers and conducting effective code and design reviews.





